From 7398c3daf178a19e7539aa89fadee256ca0d4ae8 Mon Sep 17 00:00:00 2001
From: lihangyu <15605149486@163.com>
Date: Wed, 29 Nov 2023 10:37:28 +0800
Subject: [PATCH] [Feature-Variant](Variant Type) support variant type query
 and index (#27676)

---
 be/src/common/config.cpp                      |   5 +-
 be/src/common/config.h                        |   7 +-
 be/src/olap/accept_null_predicate.h           |   9 +-
 be/src/olap/base_tablet.cpp                   |   5 +-
 be/src/olap/bitmap_filter_predicate.h         |   4 +
 be/src/olap/block_column_predicate.h          |  18 +
 be/src/olap/bloom_filter_predicate.h          |   4 +
 be/src/olap/column_predicate.h                |  11 +-
 be/src/olap/compaction.cpp                    |  10 +-
 be/src/olap/comparison_predicate.h            |  20 +-
 be/src/olap/delta_writer.cpp                  |  12 +-
 be/src/olap/delta_writer_v2.cpp               |   1 +
 be/src/olap/field.h                           |   5 +-
 be/src/olap/in_list_predicate.h               |  10 +-
 be/src/olap/iterators.h                       |   6 +
 be/src/olap/like_column_predicate.h           |   4 +
 be/src/olap/match_predicate.cpp               |  38 +-
 be/src/olap/match_predicate.h                 |   7 +-
 be/src/olap/null_predicate.cpp                |   5 +-
 be/src/olap/null_predicate.h                  |   8 +-
 be/src/olap/push_handler.cpp                  |   2 +
 be/src/olap/reader.cpp                        |  28 +-
 be/src/olap/reader.h                          |  10 +
 be/src/olap/rowset/beta_rowset.cpp            |  34 +-
 be/src/olap/rowset/beta_rowset_reader.cpp     |   3 +
 be/src/olap/rowset/beta_rowset_writer.cpp     | 146 +------
 be/src/olap/rowset/beta_rowset_writer.h       |   7 -
 be/src/olap/rowset/beta_rowset_writer_v2.cpp  |   4 +-
 be/src/olap/rowset/rowset_reader_context.h    |   2 +
 be/src/olap/rowset/rowset_writer_context.h    |   1 +
 be/src/olap/rowset/segcompaction.cpp          |   7 +-
 be/src/olap/rowset/segment_creator.cpp        | 228 ++++++++--
 be/src/olap/rowset/segment_creator.h          |  19 +-
 .../olap/rowset/segment_v2/column_reader.cpp  |  87 ++++
 be/src/olap/rowset/segment_v2/column_reader.h |  34 ++
 .../segment_v2/hierarchical_data_reader.cpp   | 232 ++++++++++
 .../segment_v2/hierarchical_data_reader.h     | 237 ++++++++++
 .../rowset/segment_v2/inverted_index_desc.cpp |  30 +-
 .../rowset/segment_v2/inverted_index_desc.h   |  12 +-
 .../segment_v2/inverted_index_reader.cpp      |  16 +-
 .../segment_v2/inverted_index_writer.cpp      |  13 +-
 be/src/olap/rowset/segment_v2/segment.cpp     | 233 ++++++++--
 be/src/olap/rowset/segment_v2/segment.h       |  61 ++-
 .../rowset/segment_v2/segment_iterator.cpp    | 204 +++++++--
 .../olap/rowset/segment_v2/segment_iterator.h |  46 +-
 .../olap/rowset/segment_v2/segment_writer.cpp |  11 +-
 .../segment_v2/vertical_segment_writer.cpp    |  79 ++--
 be/src/olap/rowset_builder.cpp                |   1 +
 be/src/olap/schema.cpp                        |  20 +-
 be/src/olap/schema.h                          |   3 +-
 be/src/olap/schema_change.cpp                 |   6 +-
 be/src/olap/tablet.cpp                        |   6 +-
 be/src/olap/tablet_schema.cpp                 | 159 ++++++-
 be/src/olap/tablet_schema.h                   |  29 +-
 be/src/olap/task/index_builder.cpp            |   8 +-
 be/src/pipeline/exec/scan_operator.cpp        | 115 ++++-
 be/src/pipeline/exec/scan_operator.h          |  15 +
 be/src/service/internal_service.cpp           |  14 +-
 be/src/vec/columns/column_object.cpp          | 131 +++---
 be/src/vec/columns/column_object.h            |  15 +-
 be/src/vec/columns/subcolumn_tree.h           |   3 +
 be/src/vec/common/schema_util.cpp             | 179 ++++++--
 be/src/vec/common/schema_util.h               |  20 +-
 be/src/vec/core/block.h                       |  29 --
 be/src/vec/core/columns_with_type_and_name.h  |   6 +-
 be/src/vec/data_types/data_type_decimal.h     |   5 +-
 be/src/vec/data_types/data_type_factory.cpp   |  12 +-
 be/src/vec/data_types/data_type_ipv4.h        |   5 +
 be/src/vec/data_types/data_type_ipv6.h        |   3 +
 be/src/vec/data_types/data_type_number_base.h |   5 +
 be/src/vec/data_types/data_type_object.cpp    |   5 +-
 .../serde/data_type_jsonb_serde.cpp           |   2 +-
 be/src/vec/exec/scan/new_olap_scan_node.cpp   |  50 +++
 be/src/vec/exec/scan/new_olap_scan_node.h     |   8 +
 be/src/vec/exec/scan/new_olap_scanner.cpp     |  63 ++-
 be/src/vec/exec/scan/new_olap_scanner.h       |   2 +
 be/src/vec/exec/scan/scanner_scheduler.cpp    |   2 +-
 be/src/vec/exec/scan/vscan_node.cpp           |  69 ++-
 be/src/vec/exec/scan/vscan_node.h             |  10 +
 be/src/vec/exprs/vcast_expr.cpp               |   4 +
 be/src/vec/exprs/vcast_expr.h                 |   2 +
 be/src/vec/functions/function_cast.h          |  15 +-
 be/src/vec/json/json_parser.cpp               |   2 +-
 be/src/vec/olap/olap_data_convertor.cpp       |  22 +-
 be/src/vec/olap/olap_data_convertor.h         |   2 +
 docs/en/docs/admin-manual/config/be-config.md |   5 -
 .../docs/admin-manual/config/be-config.md     |   5 -
 fe/fe-core/src/main/cup/sql_parser.cup        |  27 ++
 .../org/apache/doris/analysis/Analyzer.java   |  57 ++-
 .../java/org/apache/doris/analysis/Expr.java  |   4 +
 .../org/apache/doris/analysis/IndexDef.java   |   3 +-
 .../apache/doris/analysis/InlineViewRef.java  |  13 +-
 .../doris/analysis/InvertedIndexUtil.java     |   2 +-
 .../org/apache/doris/analysis/QueryStmt.java  |   2 +
 .../apache/doris/analysis/SelectListItem.java |   8 +
 .../org/apache/doris/analysis/SelectStmt.java |  18 +-
 .../doris/analysis/SetOperationStmt.java      |   6 +
 .../apache/doris/analysis/SlotDescriptor.java |  39 +-
 .../org/apache/doris/analysis/SlotRef.java    |  34 +-
 .../doris/analysis/TupleDescriptor.java       |   9 +
 .../org/apache/doris/catalog/OlapTable.java   |   9 +
 .../planner/MaterializedViewSelector.java     |  14 +-
 .../doris/service/FrontendServiceImpl.java    | 161 -------
 fe/fe-core/src/main/jflex/sql_scanner.flex    |   1 +
 gensrc/proto/internal_service.proto           |   1 +
 gensrc/proto/olap_file.proto                  |   1 +
 gensrc/proto/segment_v2.proto                 |   2 +-
 gensrc/thrift/FrontendService.thrift          |  19 -
 .../affinityByIssuesAndPRs1.out               |  11 +
 .../affinityByIssuesAndPRs2.out               |   6 +
 .../authorsWithTheMostPushes.out              |  53 +++
 .../countingStar1.out                         |   4 +
 .../countingStar2.out                         |   4 +
 .../countingStar3.out                         |   4 +
 .../distributionOfRepositoriesByStarCount.out |   5 +
 .../githubRoulette.out                        |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears1.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears2.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears3.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears4.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears5.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears6.out |  53 +++
 ...asTheTotalNumberOfStarsChangedOverTime.out |   5 +
 .../issuesWithTheMostComments1.out            |   4 +
 .../issuesWithTheMostComments2.out            |  53 +++
 .../issuesWithTheMostComments3.out            |  53 +++
 .../issuesWithTheMostComments4.out            |  53 +++
 .../issuesWithTheMostComments5.out            |  53 +++
 .../issuesWithTheMostComments6.out            |  15 +
 .../issuesWithTheMostComments7.out            |  53 +++
 .../data/variant_github_events_p0/load.out    |   7 +
 .../mostForkedRepositories.out                |  53 +++
 .../mostPopularCommentsOnGithub.out           |  53 +++
 ...organizationsByTheNumberOfRepositories.out |   9 +
 .../organizationsByTheNumberOfStars.out       |  53 +++
 .../proportionsBetweenStarsAndForks1.out      |  53 +++
 .../proportionsBetweenStarsAndForks2.out      |   3 +
 .../proportionsBetweenStarsAndForks3.out      |   5 +
 .../proportionsBetweenStarsAndForks4.out      |   4 +
 .../proportionsBetweenStarsAndForks5.out      |   4 +
 .../repositoriesByAmountOfModifiedCode.out    |  53 +++
 .../repositoriesByTheNumberOfPushes.out       |  53 +++
 ...toriesWithClickhouse_related_comments1.out |  15 +
 ...toriesWithClickhouse_related_comments2.out |  15 +
 ...epositoriesWithDoris_related_comments1.out |   9 +
 ...epositoriesWithDoris_related_comments2.out |   9 +
 .../repositoriesWithTheHighestGrowthYoY.out   |  14 +
 ...ositoriesWithTheMaximumAmountOfIssues1.out |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues2.out |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues3.out |   9 +
 ...ositoriesWithTheMaximumAmountOfIssues4.out |  53 +++
 ...iesWithTheMaximumAmountOfPullRequests1.out |  53 +++
 ...iesWithTheMaximumAmountOfPullRequests2.out |  53 +++
 ...hTheMaximumNumberOfAcceptedInvitations.out |  53 +++
 ...iesWithTheMostPeopleWhoHavePushAccess1.out |  53 +++
 ...epositoriesWithTheMostStarsOverOneDay1.out |  53 +++
 ...itoriesWithTheMostSteadyGrowthOverTime.out |  53 +++
 ...positoriesWithTheWorstStagnation_order.out |   9 +
 .../repositoryAffinityList1.out               |  52 +++
 .../repositoryAffinityList2.out               |   9 +
 .../starsFromHeavyGithubUsers1.out            |  31 ++
 .../starsFromHeavyGithubUsers2.out            |  10 +
 .../theLongestRepositoryNames1.out            |  53 +++
 .../theLongestRepositoryNames2.out            |  53 +++
 .../theMostToughCodeReviews.out               |  53 +++
 .../theTotalNumberOfRepositoriesOnGithub.out  |   4 +
 .../theTotalNumberOfUsersOnGithub1.out        |   4 +
 .../theTotalNumberOfUsersOnGithub2.out        |   4 +
 .../theTotalNumberOfUsersOnGithub3.out        |   4 +
 .../theTotalNumberOfUsersOnGithub4.out        |   4 +
 .../topRepositoriesByStars.out                |  53 +++
 .../whatIsTheBestDayOfTheWeekToCatchAStar.out |   6 +
 .../whoAreAllThosePeopleGivingStars1.out      |  53 +++
 .../whoAreAllThosePeopleGivingStars2.out      |   4 +
 .../whoAreAllThosePeopleGivingStars3.out      |  41 ++
 .../data/variant_p0/column_name.out           |  22 +
 .../data/variant_p0/complexjson.out           |  17 +
 regression-test/data/variant_p0/delete.json   |   1 +
 .../data/variant_p0/delete_update.out         |  10 +
 .../data/variant_p0/insert_into_select.out    |  30 ++
 regression-test/data/variant_p0/load.out      | 261 ++++++++++++
 regression-test/data/variant_p0/multi_var.out |  37 ++
 .../data/variant_p0/schema_change.out         |  49 +++
 .../data/variant_p0/sql/gh_data.out           |  65 +++
 .../data/variant_p0/with_index/load.out       |  28 ++
 .../data/variant_p0/with_index/var_index.out  |  10 +
 regression-test/data/variant_p2/load.out      |   4 +
 .../sql/authorsWithTheMostPushes.out          |  53 +++
 .../data/variant_p2/sql/countingStar1.out     |   4 +
 .../data/variant_p2/sql/countingStar2.out     |   4 +
 .../data/variant_p2/sql/countingStar3.out     |   4 +
 .../distributionOfRepositoriesByStarCount.out |   8 +
 .../data/variant_p2/sql/githubRoulette.out    |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears1.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears2.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears3.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears4.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears5.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears6.out |  53 +++
 ...tOfTopRepositoriesChangedOverTheYears7.out |  13 +
 ...asTheTotalNumberOfStarsChangedOverTime.out |   4 +
 .../sql/issuesWithTheMostComments1.out        |   4 +
 .../sql/issuesWithTheMostComments2.out        |  53 +++
 .../sql/issuesWithTheMostComments3.out        |  53 +++
 .../sql/issuesWithTheMostComments4.out        |  53 +++
 .../sql/issuesWithTheMostComments5.out        |  53 +++
 .../sql/issuesWithTheMostComments6.out        |  53 +++
 .../sql/issuesWithTheMostComments7.out        |  53 +++
 .../sql/issuesWithTheMostComments8.out        |   3 +
 .../variant_p2/sql/mostForkedRepositories.out |  53 +++
 .../sql/mostPopularCommentsOnGithub.out       |   4 +
 ...organizationsByTheNumberOfRepositories.out |  53 +++
 .../sql/organizationsByTheNumberOfStars.out   |  53 +++
 .../sql/organizationsByTheSizeOfCommunity.out |   8 +
 .../sql/proportionsBetweenStarsAndForks1.out  |  53 +++
 .../sql/proportionsBetweenStarsAndForks2.out  |  53 +++
 .../sql/proportionsBetweenStarsAndForks3.out  |  53 +++
 .../sql/proportionsBetweenStarsAndForks4.out  |   4 +
 .../sql/proportionsBetweenStarsAndForks5.out  |   4 +
 ...toriesWithClickhouse_related_comments1.out |  53 +++
 ...toriesWithClickhouse_related_comments2.out |  53 +++
 ...epositoriesWithDoris_related_comments1.out |  53 +++
 ...epositoriesWithDoris_related_comments2.out |  53 +++
 .../repositoriesWithTheHighestGrowthYoY.out   |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues1.out |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues2.out |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues3.out |  53 +++
 ...ositoriesWithTheMaximumAmountOfIssues4.out |  53 +++
 ...iesWithTheMaximumAmountOfPullRequests1.out |  53 +++
 ...iesWithTheMaximumAmountOfPullRequests2.out |  53 +++
 ...hTheMaximumNumberOfAcceptedInvitations.out |  53 +++
 ...iesWithTheMostPeopleWhoHavePushAccess1.out |  53 +++
 ...iesWithTheMostPeopleWhoHavePushAccess2.out |  53 +++
 ...iesWithTheMostPeopleWhoHavePushAccess3.out |  53 +++
 ...epositoriesWithTheMostStarsOverOneDay1.out |  53 +++
 ...epositoriesWithTheMostStarsOverOneDay2.out |  53 +++
 ...epositoriesWithTheMostStarsOverOneDay3.out |  53 +++
 ...itoriesWithTheMostSteadyGrowthOverTime.out |  53 +++
 ...positoriesWithTheWorstStagnation_order.out |  53 +++
 .../sql/repositoryAffinityList2.out           |  53 +++
 regression-test/data/variant_p2/sql/sql01.out |   3 +
 regression-test/data/variant_p2/sql/sql02.out |   4 +
 regression-test/data/variant_p2/sql/sql03.out |   4 +
 regression-test/data/variant_p2/sql/sql04.out |  13 +
 regression-test/data/variant_p2/sql/sql05.out |   4 +
 regression-test/data/variant_p2/sql/sql06.out |   4 +
 regression-test/data/variant_p2/sql/sql07.out |  16 +
 regression-test/data/variant_p2/sql/sql08.out |  13 +
 .../sql/theLongestRepositoryNames1.out        |  53 +++
 .../sql/theLongestRepositoryNames2.out        |  53 +++
 .../sql/theMostToughCodeReviews.out           |  53 +++
 .../theTotalNumberOfRepositoriesOnGithub.out  |   4 +
 .../sql/theTotalNumberOfUsersOnGithub1.out    |   4 +
 .../sql/theTotalNumberOfUsersOnGithub2.out    |   4 +
 .../sql/theTotalNumberOfUsersOnGithub3.out    |   4 +
 .../sql/theTotalNumberOfUsersOnGithub4.out    |   4 +
 .../variant_p2/sql/topRepositoriesByStars.out |  53 +++
 .../whatIsTheBestDayOfTheWeekToCatchAStar.out |  10 +
 .../sql/whoAreAllThosePeopleGivingStars1.out  |  53 +++
 .../sql/whoAreAllThosePeopleGivingStars2.out  |   4 +
 .../suites/nereids_syntax_p0/explain.groovy   |   2 +-
 .../affinityByIssuesAndPRs1.sql               |  14 +
 .../affinityByIssuesAndPRs2.sql               |  14 +
 .../authorsWithTheMostPushes.sql              |   9 +
 .../countingStar1.sql                         |   1 +
 .../countingStar2.sql                         |   1 +
 .../countingStar3.sql                         |   1 +
 .../distributionOfRepositoriesByStarCount.sql |  14 +
 .../githubRoulette.sql                        |   1 +
 ...tOfTopRepositoriesChangedOverTheYears1.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears2.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears3.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears4.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears5.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears6.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears7.sql |  30 ++
 ...asTheTotalNumberOfStarsChangedOverTime.sql |   2 +
 .../issuesWithTheMostComments1.sql            |   1 +
 .../issuesWithTheMostComments2.sql            |   1 +
 .../issuesWithTheMostComments3.sql            |  17 +
 .../issuesWithTheMostComments4.sql            |   9 +
 .../issuesWithTheMostComments5.sql            |   9 +
 .../issuesWithTheMostComments6.sql            |  11 +
 .../issuesWithTheMostComments7.sql            |   9 +
 .../issuesWithTheMostComments8.sql            |  13 +
 .../variant_github_events_p0/load.groovy      |  73 ++++
 .../mostForkedRepositories.sql                |   1 +
 .../mostPopularCommentsOnGithub.sql           |   1 +
 ...organizationsByTheNumberOfRepositories.sql |  14 +
 .../organizationsByTheNumberOfStars.sql       |   8 +
 .../organizationsByTheSizeOfCommunity.sql     |  23 +
 .../proportionsBetweenStarsAndForks1.sql      |  17 +
 .../proportionsBetweenStarsAndForks2.sql      |  18 +
 .../proportionsBetweenStarsAndForks3.sql      |  18 +
 .../proportionsBetweenStarsAndForks4.sql      |  13 +
 .../proportionsBetweenStarsAndForks5.sql      |  21 +
 .../repositoriesByAmountOfModifiedCode.sql    |  12 +
 .../repositoriesByTheNumberOfPushes.sql       |  17 +
 ...toriesWithClickhouse_related_comments1.sql |   1 +
 ...toriesWithClickhouse_related_comments2.sql |  17 +
 ...epositoriesWithDoris_related_comments1.sql |   1 +
 ...epositoriesWithDoris_related_comments2.sql |  17 +
 .../repositoriesWithTheHighestGrowthYoY.sql   |  20 +
 ...ositoriesWithTheMaximumAmountOfIssues1.sql |   1 +
 ...ositoriesWithTheMaximumAmountOfIssues2.sql |  18 +
 ...ositoriesWithTheMaximumAmountOfIssues3.sql |  19 +
 ...ositoriesWithTheMaximumAmountOfIssues4.sql |  18 +
 ...iesWithTheMaximumAmountOfPullRequests1.sql |   1 +
 ...iesWithTheMaximumAmountOfPullRequests2.sql |   1 +
 ...hTheMaximumNumberOfAcceptedInvitations.sql |  17 +
 ...iesWithTheMostPeopleWhoHavePushAccess1.sql |  13 +
 ...iesWithTheMostPeopleWhoHavePushAccess2.sql |  13 +
 ...iesWithTheMostPeopleWhoHavePushAccess3.sql |  16 +
 ...epositoriesWithTheMostStarsOverOneDay1.sql |  25 ++
 ...epositoriesWithTheMostStarsOverOneDay2.sql |  25 ++
 ...epositoriesWithTheMostStarsOverOneDay3.sql |   1 +
 ...itoriesWithTheMostSteadyGrowthOverTime.sql |  20 +
 ...positoriesWithTheWorstStagnation_order.sql |  20 +
 .../repositoryAffinityList1.sql               |  13 +
 .../repositoryAffinityList2.sql               |  23 +
 .../starsFromHeavyGithubUsers1.sql            |  13 +
 .../starsFromHeavyGithubUsers2.sql            |  15 +
 .../theLongestRepositoryNames1.sql            |   1 +
 .../theLongestRepositoryNames2.sql            |   1 +
 .../theMostToughCodeReviews.sql               |  10 +
 .../theTotalNumberOfRepositoriesOnGithub.sql  |   1 +
 .../theTotalNumberOfUsersOnGithub1.sql        |   1 +
 .../theTotalNumberOfUsersOnGithub2.sql        |   1 +
 .../theTotalNumberOfUsersOnGithub3.sql        |   1 +
 .../theTotalNumberOfUsersOnGithub4.sql        |   1 +
 .../variant_github_events_p0/topLabels1.sql   |   9 +
 .../variant_github_events_p0/topLabels2.sql   |   9 +
 .../variant_github_events_p0/topLabels3.sql   |  14 +
 .../topRepositoriesByStars.sql                |   1 +
 .../whatIsTheBestDayOfTheWeekToCatchAStar.sql |   1 +
 .../whoAreAllThosePeopleGivingStars1.sql      |   1 +
 .../whoAreAllThosePeopleGivingStars2.sql      |   1 +
 .../whoAreAllThosePeopleGivingStars3.sql      |  13 +
 .../suites/variant_p0/column_name.groovy      |  46 ++
 .../suites/variant_p0/complexjson.groovy      | 158 +++++++
 .../suites/variant_p0/delete_update.groovy    |  62 +++
 .../variant_p0/insert_into_select.groovy      |  52 +++
 regression-test/suites/variant_p0/load.groovy | 403 ++++++++++++++++++
 .../suites/variant_p0/multi_var.groovy        |  43 ++
 .../suites/variant_p0/schema_change.groovy    |  76 ++++
 .../suites/variant_p0/sql/gh_data.sql         |  13 +
 .../suites/variant_p0/with_index/load.groovy  | 101 +++++
 .../variant_p0/with_index/var_index.groovy    |  39 ++
 .../variant_p2/github_events_advance.groovy   | 112 +++++
 .../sql/authorsWithTheMostPushes.sql          |   9 +
 .../suites/variant_p2/sql/countingStar1.sql   |   1 +
 .../suites/variant_p2/sql/countingStar2.sql   |   1 +
 .../suites/variant_p2/sql/countingStar3.sql   |   1 +
 .../distributionOfRepositoriesByStarCount.sql |  14 +
 .../suites/variant_p2/sql/githubRoulette.sql  |   1 +
 ...tOfTopRepositoriesChangedOverTheYears1.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears2.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears3.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears4.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears5.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears6.sql |   1 +
 ...tOfTopRepositoriesChangedOverTheYears7.sql |  29 ++
 ...asTheTotalNumberOfStarsChangedOverTime.sql |   2 +
 .../sql/issuesWithTheMostComments1.sql        |   1 +
 .../sql/issuesWithTheMostComments2.sql        |   1 +
 .../sql/issuesWithTheMostComments3.sql        |  17 +
 .../sql/issuesWithTheMostComments4.sql        |  10 +
 .../sql/issuesWithTheMostComments5.sql        |   9 +
 .../sql/issuesWithTheMostComments6.sql        |  11 +
 .../sql/issuesWithTheMostComments7.sql        |   9 +
 .../sql/issuesWithTheMostComments8.sql        |  13 +
 .../variant_p2/sql/mostForkedRepositories.sql |   1 +
 .../sql/mostPopularCommentsOnGithub.sql       |   1 +
 ...organizationsByTheNumberOfRepositories.sql |  14 +
 .../sql/organizationsByTheNumberOfStars.sql   |  12 +
 .../sql/organizationsByTheSizeOfCommunity.sql |  24 ++
 .../sql/proportionsBetweenStarsAndForks1.sql  |  17 +
 .../sql/proportionsBetweenStarsAndForks2.sql  |  18 +
 .../sql/proportionsBetweenStarsAndForks3.sql  |  18 +
 .../sql/proportionsBetweenStarsAndForks4.sql  |  13 +
 .../sql/proportionsBetweenStarsAndForks5.sql  |  21 +
 ...toriesWithClickhouse_related_comments1.sql |   1 +
 ...toriesWithClickhouse_related_comments2.sql |  17 +
 ...epositoriesWithDoris_related_comments1.sql |   1 +
 ...epositoriesWithDoris_related_comments2.sql |  17 +
 .../repositoriesWithTheHighestGrowthYoY.sql   |  19 +
 ...ositoriesWithTheMaximumAmountOfIssues1.sql |   1 +
 ...ositoriesWithTheMaximumAmountOfIssues2.sql |  18 +
 ...ositoriesWithTheMaximumAmountOfIssues3.sql |  19 +
 ...ositoriesWithTheMaximumAmountOfIssues4.sql |  18 +
 ...iesWithTheMaximumAmountOfPullRequests1.sql |   1 +
 ...iesWithTheMaximumAmountOfPullRequests2.sql |   1 +
 ...hTheMaximumNumberOfAcceptedInvitations.sql |  17 +
 ...iesWithTheMostPeopleWhoHavePushAccess1.sql |  13 +
 ...iesWithTheMostPeopleWhoHavePushAccess2.sql |  13 +
 ...iesWithTheMostPeopleWhoHavePushAccess3.sql |  16 +
 ...epositoriesWithTheMostStarsOverOneDay1.sql |  22 +
 ...epositoriesWithTheMostStarsOverOneDay2.sql |  22 +
 ...epositoriesWithTheMostStarsOverOneDay3.sql |   1 +
 ...itoriesWithTheMostSteadyGrowthOverTime.sql |  18 +
 ...positoriesWithTheWorstStagnation_order.sql |  19 +
 .../sql/repositoryAffinityList2.sql           |  23 +
 .../suites/variant_p2/sql/sql01.sql           |   1 +
 .../suites/variant_p2/sql/sql02.sql           |   1 +
 .../suites/variant_p2/sql/sql03.sql           |   1 +
 .../suites/variant_p2/sql/sql04.sql           |   1 +
 .../suites/variant_p2/sql/sql05.sql           |   1 +
 .../suites/variant_p2/sql/sql06.sql           |   1 +
 .../suites/variant_p2/sql/sql07.sql           |   2 +
 .../suites/variant_p2/sql/sql08.sql           |   1 +
 .../sql/theLongestRepositoryNames1.sql        |   1 +
 .../sql/theLongestRepositoryNames2.sql        |   1 +
 .../sql/theMostToughCodeReviews.sql           |  10 +
 .../theTotalNumberOfRepositoriesOnGithub.sql  |   1 +
 .../sql/theTotalNumberOfUsersOnGithub1.sql    |   1 +
 .../sql/theTotalNumberOfUsersOnGithub2.sql    |   1 +
 .../sql/theTotalNumberOfUsersOnGithub3.sql    |   1 +
 .../sql/theTotalNumberOfUsersOnGithub4.sql    |   1 +
 .../suites/variant_p2/sql/topLabels1.sql      |  10 +
 .../suites/variant_p2/sql/topLabels2.sql      |   9 +
 .../suites/variant_p2/sql/topLabels3.sql      |  14 +
 .../variant_p2/sql/topRepositoriesByStars.sql |   1 +
 .../whatIsTheBestDayOfTheWeekToCatchAStar.sql |   1 +
 .../sql/whoAreAllThosePeopleGivingStars1.sql  |   1 +
 .../sql/whoAreAllThosePeopleGivingStars2.sql  |   1 +
 .../affinityByIssuesAndPRs1.sql               |  16 +
 .../affinityByIssuesAndPRs2.sql               |  15 +
 .../repositoriesByAmountOfModifiedCode.sql    |  13 +
 .../repositoriesByTheNumberOfPushes.sql       |  18 +
 .../repositoryAffinityList1.sql               |  14 +
 .../starsFromHeavyGithubUsers1.sql            |  14 +
 .../starsFromHeavyGithubUsers2.sql            |  16 +
 .../whoAreAllThosePeopleGivingStars3.sql      |  17 +
 433 files changed, 10443 insertions(+), 879 deletions(-)
 create mode 100644 be/src/olap/rowset/segment_v2/hierarchical_data_reader.cpp
 create mode 100644 be/src/olap/rowset/segment_v2/hierarchical_data_reader.h
 create mode 100644 regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs1.out
 create mode 100644 regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs2.out
 create mode 100644 regression-test/data/variant_github_events_p0/authorsWithTheMostPushes.out
 create mode 100644 regression-test/data/variant_github_events_p0/countingStar1.out
 create mode 100644 regression-test/data/variant_github_events_p0/countingStar2.out
 create mode 100644 regression-test/data/variant_github_events_p0/countingStar3.out
 create mode 100644 regression-test/data/variant_github_events_p0/distributionOfRepositoriesByStarCount.out
 create mode 100644 regression-test/data/variant_github_events_p0/githubRoulette.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
 create mode 100644 regression-test/data/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments1.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments2.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments3.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments4.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments5.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments6.out
 create mode 100644 regression-test/data/variant_github_events_p0/issuesWithTheMostComments7.out
 create mode 100644 regression-test/data/variant_github_events_p0/load.out
 create mode 100644 regression-test/data/variant_github_events_p0/mostForkedRepositories.out
 create mode 100644 regression-test/data/variant_github_events_p0/mostPopularCommentsOnGithub.out
 create mode 100644 regression-test/data/variant_github_events_p0/organizationsByTheNumberOfRepositories.out
 create mode 100644 regression-test/data/variant_github_events_p0/organizationsByTheNumberOfStars.out
 create mode 100644 regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks1.out
 create mode 100644 regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks2.out
 create mode 100644 regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks3.out
 create mode 100644 regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks4.out
 create mode 100644 regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks5.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesByAmountOfModifiedCode.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesByTheNumberOfPushes.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments2.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoryAffinityList1.out
 create mode 100644 regression-test/data/variant_github_events_p0/repositoryAffinityList2.out
 create mode 100644 regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers1.out
 create mode 100644 regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers2.out
 create mode 100644 regression-test/data/variant_github_events_p0/theLongestRepositoryNames1.out
 create mode 100644 regression-test/data/variant_github_events_p0/theLongestRepositoryNames2.out
 create mode 100644 regression-test/data/variant_github_events_p0/theMostToughCodeReviews.out
 create mode 100644 regression-test/data/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.out
 create mode 100644 regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.out
 create mode 100644 regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.out
 create mode 100644 regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.out
 create mode 100644 regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.out
 create mode 100644 regression-test/data/variant_github_events_p0/topRepositoriesByStars.out
 create mode 100644 regression-test/data/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.out
 create mode 100644 regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.out
 create mode 100644 regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.out
 create mode 100644 regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.out
 create mode 100644 regression-test/data/variant_p0/column_name.out
 create mode 100644 regression-test/data/variant_p0/complexjson.out
 create mode 100644 regression-test/data/variant_p0/delete.json
 create mode 100644 regression-test/data/variant_p0/delete_update.out
 create mode 100644 regression-test/data/variant_p0/insert_into_select.out
 create mode 100644 regression-test/data/variant_p0/load.out
 create mode 100644 regression-test/data/variant_p0/multi_var.out
 create mode 100644 regression-test/data/variant_p0/schema_change.out
 create mode 100644 regression-test/data/variant_p0/sql/gh_data.out
 create mode 100644 regression-test/data/variant_p0/with_index/load.out
 create mode 100644 regression-test/data/variant_p0/with_index/var_index.out
 create mode 100644 regression-test/data/variant_p2/load.out
 create mode 100644 regression-test/data/variant_p2/sql/authorsWithTheMostPushes.out
 create mode 100644 regression-test/data/variant_p2/sql/countingStar1.out
 create mode 100644 regression-test/data/variant_p2/sql/countingStar2.out
 create mode 100644 regression-test/data/variant_p2/sql/countingStar3.out
 create mode 100644 regression-test/data/variant_p2/sql/distributionOfRepositoriesByStarCount.out
 create mode 100644 regression-test/data/variant_p2/sql/githubRoulette.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.out
 create mode 100644 regression-test/data/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments1.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments2.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments3.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments4.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments5.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments6.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments7.out
 create mode 100644 regression-test/data/variant_p2/sql/issuesWithTheMostComments8.out
 create mode 100644 regression-test/data/variant_p2/sql/mostForkedRepositories.out
 create mode 100644 regression-test/data/variant_p2/sql/mostPopularCommentsOnGithub.out
 create mode 100644 regression-test/data/variant_p2/sql/organizationsByTheNumberOfRepositories.out
 create mode 100644 regression-test/data/variant_p2/sql/organizationsByTheNumberOfStars.out
 create mode 100644 regression-test/data/variant_p2/sql/organizationsByTheSizeOfCommunity.out
 create mode 100644 regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks1.out
 create mode 100644 regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks2.out
 create mode 100644 regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks3.out
 create mode 100644 regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks4.out
 create mode 100644 regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks5.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoriesWithTheWorstStagnation_order.out
 create mode 100644 regression-test/data/variant_p2/sql/repositoryAffinityList2.out
 create mode 100644 regression-test/data/variant_p2/sql/sql01.out
 create mode 100644 regression-test/data/variant_p2/sql/sql02.out
 create mode 100644 regression-test/data/variant_p2/sql/sql03.out
 create mode 100644 regression-test/data/variant_p2/sql/sql04.out
 create mode 100644 regression-test/data/variant_p2/sql/sql05.out
 create mode 100644 regression-test/data/variant_p2/sql/sql06.out
 create mode 100644 regression-test/data/variant_p2/sql/sql07.out
 create mode 100644 regression-test/data/variant_p2/sql/sql08.out
 create mode 100644 regression-test/data/variant_p2/sql/theLongestRepositoryNames1.out
 create mode 100644 regression-test/data/variant_p2/sql/theLongestRepositoryNames2.out
 create mode 100644 regression-test/data/variant_p2/sql/theMostToughCodeReviews.out
 create mode 100644 regression-test/data/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.out
 create mode 100644 regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub1.out
 create mode 100644 regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub2.out
 create mode 100644 regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub3.out
 create mode 100644 regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub4.out
 create mode 100644 regression-test/data/variant_p2/sql/topRepositoriesByStars.out
 create mode 100644 regression-test/data/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.out
 create mode 100644 regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars1.out
 create mode 100644 regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars2.out
 create mode 100644 regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/authorsWithTheMostPushes.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/countingStar1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/countingStar2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/countingStar3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/distributionOfRepositoriesByStarCount.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/githubRoulette.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments4.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments5.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments6.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments7.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/issuesWithTheMostComments8.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/load.groovy
 create mode 100644 regression-test/suites/variant_github_events_p0/mostForkedRepositories.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/mostPopularCommentsOnGithub.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfRepositories.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfStars.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/organizationsByTheSizeOfCommunity.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks4.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks5.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesByAmountOfModifiedCode.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesByTheNumberOfPushes.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoryAffinityList1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/repositoryAffinityList2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theLongestRepositoryNames1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theLongestRepositoryNames2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theMostToughCodeReviews.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/topLabels1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/topLabels2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/topLabels3.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/topRepositoriesByStars.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.sql
 create mode 100644 regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.sql
 create mode 100644 regression-test/suites/variant_p0/column_name.groovy
 create mode 100644 regression-test/suites/variant_p0/complexjson.groovy
 create mode 100644 regression-test/suites/variant_p0/delete_update.groovy
 create mode 100644 regression-test/suites/variant_p0/insert_into_select.groovy
 create mode 100644 regression-test/suites/variant_p0/load.groovy
 create mode 100644 regression-test/suites/variant_p0/multi_var.groovy
 create mode 100644 regression-test/suites/variant_p0/schema_change.groovy
 create mode 100644 regression-test/suites/variant_p0/sql/gh_data.sql
 create mode 100644 regression-test/suites/variant_p0/with_index/load.groovy
 create mode 100644 regression-test/suites/variant_p0/with_index/var_index.groovy
 create mode 100644 regression-test/suites/variant_p2/github_events_advance.groovy
 create mode 100644 regression-test/suites/variant_p2/sql/authorsWithTheMostPushes.sql
 create mode 100644 regression-test/suites/variant_p2/sql/countingStar1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/countingStar2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/countingStar3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/distributionOfRepositoriesByStarCount.sql
 create mode 100644 regression-test/suites/variant_p2/sql/githubRoulette.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
 create mode 100644 regression-test/suites/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments4.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments5.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments6.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments7.sql
 create mode 100644 regression-test/suites/variant_p2/sql/issuesWithTheMostComments8.sql
 create mode 100644 regression-test/suites/variant_p2/sql/mostForkedRepositories.sql
 create mode 100644 regression-test/suites/variant_p2/sql/mostPopularCommentsOnGithub.sql
 create mode 100644 regression-test/suites/variant_p2/sql/organizationsByTheNumberOfRepositories.sql
 create mode 100644 regression-test/suites/variant_p2/sql/organizationsByTheNumberOfStars.sql
 create mode 100644 regression-test/suites/variant_p2/sql/organizationsByTheSizeOfCommunity.sql
 create mode 100644 regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks4.sql
 create mode 100644 regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks5.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoriesWithTheWorstStagnation_order.sql
 create mode 100644 regression-test/suites/variant_p2/sql/repositoryAffinityList2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql01.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql02.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql03.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql04.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql05.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql06.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql07.sql
 create mode 100644 regression-test/suites/variant_p2/sql/sql08.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theLongestRepositoryNames1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theLongestRepositoryNames2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theMostToughCodeReviews.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub4.sql
 create mode 100644 regression-test/suites/variant_p2/sql/topLabels1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/topLabels2.sql
 create mode 100644 regression-test/suites/variant_p2/sql/topLabels3.sql
 create mode 100644 regression-test/suites/variant_p2/sql/topRepositoriesByStars.sql
 create mode 100644 regression-test/suites/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.sql
 create mode 100644 regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars1.sql
 create mode 100644 regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars2.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs1.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs2.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/repositoriesByAmountOfModifiedCode.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/repositoriesByTheNumberOfPushes.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/repositoryAffinityList1.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers1.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers2.sql
 create mode 100644 regression-test/suites/variant_p2/unresovled_sql/whoAreAllThosePeopleGivingStars3.sql

diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index 194d64aee9..3418a49d45 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -955,8 +955,9 @@ DEFINE_Bool(enable_workload_group_for_scan, "false");
 // Will remove after fully test.
 DEFINE_Bool(enable_index_apply_preds_except_leafnode_of_andnode, "true");
 
-DEFINE_mBool(enable_flatten_nested_for_variant, "false");
-DEFINE_mDouble(ratio_of_defaults_as_sparse_column, "0.95");
+DEFINE_mBool(variant_enable_flatten_nested, "false");
+DEFINE_mDouble(variant_ratio_of_defaults_as_sparse_column, "0.95");
+DEFINE_mInt64(variant_threshold_rows_to_estimate_sparse_column, "1000");
 
 // block file cache
 DEFINE_Bool(enable_file_cache, "false");
diff --git a/be/src/common/config.h b/be/src/common/config.h
index 1f6634d8da..0826db45e2 100644
--- a/be/src/common/config.h
+++ b/be/src/common/config.h
@@ -1124,10 +1124,13 @@ DECLARE_mInt64(lookup_connection_cache_bytes_limit);
 DECLARE_mInt64(LZ4_HC_compression_level);
 // Whether flatten nested arrays in variant column
 // Notice: TEST ONLY
-DECLARE_mBool(enable_flatten_nested_for_variant);
+DECLARE_mBool(variant_enable_flatten_nested);
 // Threshold of a column as sparse column
 // Notice: TEST ONLY
-DECLARE_mDouble(ratio_of_defaults_as_sparse_column);
+DECLARE_mDouble(variant_ratio_of_defaults_as_sparse_column);
+// Threshold to estimate a column is sparsed
+// Notice: TEST ONLY
+DECLARE_mInt64(variant_threshold_rows_to_estimate_sparse_column);
 
 DECLARE_mBool(enable_merge_on_write_correctness_check);
 // rowid conversion correctness check when compaction for mow table
diff --git a/be/src/olap/accept_null_predicate.h b/be/src/olap/accept_null_predicate.h
index 1a5f586ed5..90cff5cc70 100644
--- a/be/src/olap/accept_null_predicate.h
+++ b/be/src/olap/accept_null_predicate.h
@@ -49,9 +49,14 @@ public:
         return _nested->evaluate(iterator, num_rows, roaring);
     }
 
-    Status evaluate(const Schema& schema, InvertedIndexIterator* iterator, uint32_t num_rows,
+    Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                    InvertedIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* bitmap) const override {
-        return _nested->evaluate(schema, iterator, num_rows, bitmap);
+        return _nested->evaluate(name_with_type, iterator, num_rows, bitmap);
+    }
+
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return _nested->can_do_apply_safely(input_type, is_null);
     }
 
     uint16_t evaluate(const vectorized::IColumn& column, uint16_t* sel,
diff --git a/be/src/olap/base_tablet.cpp b/be/src/olap/base_tablet.cpp
index d9d4a4c537..db17e68706 100644
--- a/be/src/olap/base_tablet.cpp
+++ b/be/src/olap/base_tablet.cpp
@@ -68,10 +68,9 @@ void BaseTablet::update_max_version_schema(const TabletSchemaSPtr& tablet_schema
 
 void BaseTablet::update_by_least_common_schema(const TabletSchemaSPtr& update_schema) {
     std::lock_guard wrlock(_meta_lock);
-    auto final_schema = std::make_shared<TabletSchema>();
     CHECK(_max_version_schema->schema_version() >= update_schema->schema_version());
-    vectorized::schema_util::get_least_common_schema({_max_version_schema, update_schema},
-                                                     final_schema);
+    auto final_schema = vectorized::schema_util::get_least_common_schema(
+            {_max_version_schema, update_schema}, _max_version_schema);
     _max_version_schema = final_schema;
     VLOG_DEBUG << "dump updated tablet schema: " << final_schema->dump_structure();
 }
diff --git a/be/src/olap/bitmap_filter_predicate.h b/be/src/olap/bitmap_filter_predicate.h
index de03a1bc61..7420356a33 100644
--- a/be/src/olap/bitmap_filter_predicate.h
+++ b/be/src/olap/bitmap_filter_predicate.h
@@ -48,6 +48,10 @@ public:
 
     PredicateType type() const override { return PredicateType::BITMAP_FILTER; }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return input_type == T || (is_string_type(input_type) && is_string_type(T));
+    }
+
     bool evaluate_and(const std::pair<WrapperField*, WrapperField*>& statistic) const override {
         if (_specific_filter->is_not_in()) {
             return true;
diff --git a/be/src/olap/block_column_predicate.h b/be/src/olap/block_column_predicate.h
index f70da43f56..cde2a5680a 100644
--- a/be/src/olap/block_column_predicate.h
+++ b/be/src/olap/block_column_predicate.h
@@ -72,6 +72,11 @@ public:
     virtual void evaluate_vec(vectorized::MutableColumns& block, uint16_t size, bool* flags) const {
     }
 
+    virtual bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const {
+        LOG(FATAL) << "should not reach here";
+        return true;
+    }
+
     virtual bool evaluate_and(const std::pair<WrapperField*, WrapperField*>& statistic) const {
         LOG(FATAL) << "should not reach here";
         return true;
@@ -125,6 +130,10 @@ public:
         return _predicate->can_do_bloom_filter(ngram);
     }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return _predicate->can_do_apply_safely(input_type, is_null);
+    }
+
 private:
     const ColumnPredicate* _predicate = nullptr;
 };
@@ -199,6 +208,15 @@ public:
         return true;
     }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        for (auto& pred : _block_column_predicate_vec) {
+            if (!pred->can_do_apply_safely(input_type, is_null)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     Status evaluate(const std::string& column_name, InvertedIndexIterator* iterator,
                     uint32_t num_rows, roaring::Roaring* bitmap) const override;
 };
diff --git a/be/src/olap/bloom_filter_predicate.h b/be/src/olap/bloom_filter_predicate.h
index 156f054a3f..51abd68a4b 100644
--- a/be/src/olap/bloom_filter_predicate.h
+++ b/be/src/olap/bloom_filter_predicate.h
@@ -55,6 +55,10 @@ public:
     uint16_t evaluate(const vectorized::IColumn& column, uint16_t* sel,
                       uint16_t size) const override;
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return input_type == T || (is_string_type(input_type) && is_string_type(T));
+    }
+
 private:
     template <bool is_nullable>
     uint16_t evaluate(const vectorized::IColumn& column, const uint8_t* null_map, uint16_t* sel,
diff --git a/be/src/olap/column_predicate.h b/be/src/olap/column_predicate.h
index 15b36f672e..42d9a3d58f 100644
--- a/be/src/olap/column_predicate.h
+++ b/be/src/olap/column_predicate.h
@@ -24,6 +24,7 @@
 #include "olap/rowset/segment_v2/inverted_index_reader.h"
 #include "olap/schema.h"
 #include "olap/selection_vector.h"
+#include "runtime/define_primitive_type.h"
 #include "vec/columns/column.h"
 
 using namespace doris::segment_v2;
@@ -173,8 +174,9 @@ public:
                             roaring::Roaring* roaring) const = 0;
 
     //evaluate predicate on inverted
-    virtual Status evaluate(const Schema& schema, InvertedIndexIterator* iterator,
-                            uint32_t num_rows, roaring::Roaring* bitmap) const {
+    virtual Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                            InvertedIndexIterator* iterator, uint32_t num_rows,
+                            roaring::Roaring* bitmap) const {
         return Status::NotSupported(
                 "Not Implemented evaluate with inverted index, please check the predicate");
     }
@@ -210,6 +212,11 @@ public:
 
     virtual bool can_do_bloom_filter(bool ngram) const { return false; }
 
+    // Check input type could apply safely.
+    // Note: Currenly ColumnPredicate is not include complex type, so use PrimitiveType
+    // is simple and intuitive
+    virtual bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const = 0;
+
     // used to evaluate pre read column in lazy materialization
     // now only support integer/float
     // a vectorized eval way
diff --git a/be/src/olap/compaction.cpp b/be/src/olap/compaction.cpp
index 47d607518e..b889a0fe70 100644
--- a/be/src/olap/compaction.cpp
+++ b/be/src/olap/compaction.cpp
@@ -455,7 +455,8 @@ Status Compaction::do_compaction_impl(int64_t permits) {
                      &dest_index_files, &fs, &tablet_path, &trans_vec, &dest_segment_num_rows,
                      this](int32_t column_uniq_id) {
                         auto st = compact_column(
-                                _cur_tablet_schema->get_inverted_index(column_uniq_id)->index_id(),
+                                _cur_tablet_schema->get_inverted_index(column_uniq_id, "")
+                                        ->index_id(),
                                 src_segment_num, dest_segment_num, src_index_files,
                                 dest_index_files, fs, index_writer_path, tablet_path, trans_vec,
                                 dest_segment_num_rows);
@@ -463,7 +464,7 @@ Status Compaction::do_compaction_impl(int64_t permits) {
                             LOG(ERROR) << "failed to do index compaction"
                                        << ". tablet=" << _tablet->tablet_id()
                                        << ". column uniq id=" << column_uniq_id << ". index_id= "
-                                       << _cur_tablet_schema->get_inverted_index(column_uniq_id)
+                                       << _cur_tablet_schema->get_inverted_index(column_uniq_id, "")
                                                   ->index_id();
                         }
                     });
@@ -554,7 +555,7 @@ Status Compaction::construct_output_rowset_writer(RowsetWriterContext& ctx, bool
                             auto fs = rowset->rowset_meta()->fs();
 
                             auto index_meta =
-                                    rowset->tablet_schema()->get_inverted_index(unique_id);
+                                    rowset->tablet_schema()->get_inverted_index(unique_id, "");
                             if (index_meta == nullptr) {
                                 LOG(WARNING) << "tablet[" << _tablet->tablet_id()
                                              << "] index_unique_id[" << unique_id
@@ -565,7 +566,8 @@ Status Compaction::construct_output_rowset_writer(RowsetWriterContext& ctx, bool
                                 auto segment_file = rowset->segment_file_path(i);
                                 std::string inverted_index_src_file_path =
                                         InvertedIndexDescriptor::get_index_file_name(
-                                                segment_file, index_meta->index_id());
+                                                segment_file, index_meta->index_id(),
+                                                index_meta->get_index_suffix());
                                 bool exists = false;
                                 if (!fs->exists(inverted_index_src_file_path, &exists).ok()) {
                                     LOG(ERROR)
diff --git a/be/src/olap/comparison_predicate.h b/be/src/olap/comparison_predicate.h
index aed5787721..3505a94e27 100644
--- a/be/src/olap/comparison_predicate.h
+++ b/be/src/olap/comparison_predicate.h
@@ -47,6 +47,10 @@ public:
         *to = cloned;
     }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return input_type == Type || (is_string_type(input_type) && is_string_type(Type));
+    }
+
     bool need_to_clone() const override { return true; }
 
     PredicateType type() const override { return PT; }
@@ -76,13 +80,13 @@ public:
                                bitmap);
     }
 
-    Status evaluate(const Schema& schema, InvertedIndexIterator* iterator, uint32_t num_rows,
+    Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                    InvertedIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* bitmap) const override {
         if (iterator == nullptr) {
             return Status::OK();
         }
-        auto column_desc = schema.column(_column_id);
-        std::string column_name = column_desc->name();
+        std::string column_name = name_with_type.first;
 
         InvertedIndexQueryType query_type = InvertedIndexQueryType::UNKNOWN_QUERY;
         switch (PT) {
@@ -298,10 +302,12 @@ public:
                     LOG(FATAL) << "column_dictionary must use StringRef predicate.";
                 }
             } else {
-                auto* data_array = reinterpret_cast<const vectorized::PredicateColumnType<
-                        PredicateEvaluateType<Type>>&>(nested_column)
-                                           .get_data()
-                                           .data();
+                auto* data_array =
+                        vectorized::check_and_get_column<
+                                const vectorized::PredicateColumnType<PredicateEvaluateType<Type>>>(
+                                nested_column)
+                                ->get_data()
+                                .data();
 
                 _base_loop_vec<true, is_and>(size, flags, null_map.data(), data_array, _value);
             }
diff --git a/be/src/olap/delta_writer.cpp b/be/src/olap/delta_writer.cpp
index 68b97e49cb..9b80e4ec3e 100644
--- a/be/src/olap/delta_writer.cpp
+++ b/be/src/olap/delta_writer.cpp
@@ -51,6 +51,7 @@
 #include "util/mem_info.h"
 #include "util/ref_count_closure.h"
 #include "util/stopwatch.hpp"
+#include "util/time.h"
 #include "vec/core/block.h"
 
 namespace doris {
@@ -230,14 +231,14 @@ void DeltaWriter::_request_slave_tablet_pull_rowset(PNodeInfo node_info) {
         _unfinished_slave_node.insert(node_info.id());
     }
 
-    std::vector<int64_t> indices_ids;
+    std::vector<std::pair<int64_t, std::string>> indices_ids;
     auto cur_rowset = _rowset_builder.rowset();
     auto tablet_schema = cur_rowset->rowset_meta()->tablet_schema();
     if (!tablet_schema->skip_write_index_on_load()) {
         for (auto& column : tablet_schema->columns()) {
-            const TabletIndex* index_meta = tablet_schema->get_inverted_index(column.unique_id());
+            const TabletIndex* index_meta = tablet_schema->get_inverted_index(column);
             if (index_meta) {
-                indices_ids.emplace_back(index_meta->index_id());
+                indices_ids.emplace_back(index_meta->index_id(), index_meta->get_index_suffix());
             }
         }
     }
@@ -260,11 +261,12 @@ void DeltaWriter::_request_slave_tablet_pull_rowset(PNodeInfo node_info) {
         if (!indices_ids.empty()) {
             for (auto index_id : indices_ids) {
                 std::string inverted_index_file = InvertedIndexDescriptor::get_index_file_name(
-                        tablet_path + "/" + segment_name.str(), index_id);
+                        tablet_path + "/" + segment_name.str(), index_id.first, index_id.second);
                 int64_t size = std::filesystem::file_size(inverted_index_file);
                 PTabletWriteSlaveRequest::IndexSize index_size;
-                index_size.set_indexid(index_id);
+                index_size.set_indexid(index_id.first);
                 index_size.set_size(size);
+                index_size.set_suffix_path(index_id.second);
                 // Fetch the map value for the current segment_id.
                 // If it doesn't exist, this will insert a new default-constructed IndexSizeMapValue
                 auto& index_size_map_value =
diff --git a/be/src/olap/delta_writer_v2.cpp b/be/src/olap/delta_writer_v2.cpp
index 0a4108970a..6f6dd939a4 100644
--- a/be/src/olap/delta_writer_v2.cpp
+++ b/be/src/olap/delta_writer_v2.cpp
@@ -113,6 +113,7 @@ Status DeltaWriterV2::init() {
     context.rowset_state = PREPARED;
     context.segments_overlap = OVERLAPPING;
     context.tablet_schema = _tablet_schema;
+    context.original_tablet_schema = _tablet_schema;
     context.newest_write_timestamp = UnixSeconds();
     context.tablet = nullptr;
     context.write_type = DataWriteType::TYPE_DIRECT;
diff --git a/be/src/olap/field.h b/be/src/olap/field.h
index 412ee2a76f..be95f1a0e3 100644
--- a/be/src/olap/field.h
+++ b/be/src/olap/field.h
@@ -47,7 +47,8 @@ public:
               _name(column.name()),
               _index_size(column.index_length()),
               _is_nullable(column.is_nullable()),
-              _unique_id(column.unique_id()) {}
+              _unique_id(column.unique_id()),
+              _path(column.path_info()) {}
 
     virtual ~Field() = default;
 
@@ -57,6 +58,7 @@ public:
     size_t index_size() const { return _index_size; }
     int32_t unique_id() const { return _unique_id; }
     const std::string& name() const { return _name; }
+    const vectorized::PathInData& path() const { return _path; }
 
     virtual void set_to_max(char* buf) const { return _type_info->set_to_max(buf); }
     virtual void set_to_zone_map_max(char* buf) const { set_to_max(buf); }
@@ -255,6 +257,7 @@ private:
     int32_t _precision;
     int32_t _scale;
     int32_t _unique_id;
+    vectorized::PathInData _path;
 };
 
 class MapField : public Field {
diff --git a/be/src/olap/in_list_predicate.h b/be/src/olap/in_list_predicate.h
index 734c7d75bd..ce74fb1bd3 100644
--- a/be/src/olap/in_list_predicate.h
+++ b/be/src/olap/in_list_predicate.h
@@ -142,6 +142,10 @@ public:
 
     PredicateType type() const override { return PT; }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return input_type == Type || (is_string_type(input_type) && is_string_type(Type));
+    }
+
     Status evaluate(BitmapIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* result) const override {
         if (iterator == nullptr) {
@@ -183,13 +187,13 @@ public:
         return Status::OK();
     }
 
-    Status evaluate(const Schema& schema, InvertedIndexIterator* iterator, uint32_t num_rows,
+    Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                    InvertedIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* result) const override {
         if (iterator == nullptr) {
             return Status::OK();
         }
-        auto column_desc = schema.column(_column_id);
-        std::string column_name = column_desc->name();
+        std::string column_name = name_with_type.first;
         roaring::Roaring indices;
         HybridSetBase::IteratorBase* iter = _values->begin();
         while (iter->has_next()) {
diff --git a/be/src/olap/iterators.h b/be/src/olap/iterators.h
index e2d1e67957..1f381ac4d7 100644
--- a/be/src/olap/iterators.h
+++ b/be/src/olap/iterators.h
@@ -39,6 +39,10 @@ namespace vectorized {
 struct IteratorRowRef;
 };
 
+namespace segment_v2 {
+struct StreamReader;
+}
+
 class StorageReadOptions {
 public:
     struct KeyRange {
@@ -109,6 +113,8 @@ public:
     RowsetId rowset_id;
     Version version;
     int32_t tablet_id = 0;
+    // slots that cast may be eliminated in storage layer
+    std::map<std::string, PrimitiveType> target_cast_type_for_variants;
 };
 
 class RowwiseIterator;
diff --git a/be/src/olap/like_column_predicate.h b/be/src/olap/like_column_predicate.h
index 7034efddd9..3a918d7605 100644
--- a/be/src/olap/like_column_predicate.h
+++ b/be/src/olap/like_column_predicate.h
@@ -62,6 +62,10 @@ public:
         return Status::OK();
     }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return input_type == T || (is_string_type(input_type) && is_string_type(T));
+    }
+
     uint16_t evaluate(const vectorized::IColumn& column, uint16_t* sel,
                       uint16_t size) const override;
 
diff --git a/be/src/olap/match_predicate.cpp b/be/src/olap/match_predicate.cpp
index 561bc13551..c0ed7bc008 100644
--- a/be/src/olap/match_predicate.cpp
+++ b/be/src/olap/match_predicate.cpp
@@ -26,9 +26,15 @@
 #include "olap/rowset/segment_v2/inverted_index_cache.h"
 #include "olap/rowset/segment_v2/inverted_index_reader.h"
 #include "olap/schema.h"
+#include "olap/tablet_schema.h"
 #include "olap/types.h"
 #include "olap/utils.h"
+#include "runtime/define_primitive_type.h"
+#include "runtime/types.h"
+#include "vec/common/assert_cast.h"
 #include "vec/common/string_ref.h"
+#include "vec/data_types/data_type.h"
+#include "vec/data_types/data_type_array.h"
 
 namespace doris {
 
@@ -39,8 +45,9 @@ PredicateType MatchPredicate::type() const {
     return PredicateType::MATCH;
 }
 
-Status MatchPredicate::evaluate(const Schema& schema, InvertedIndexIterator* iterator,
-                                uint32_t num_rows, roaring::Roaring* bitmap) const {
+Status MatchPredicate::evaluate(const vectorized::NameAndTypePair& name_with_type,
+                                InvertedIndexIterator* iterator, uint32_t num_rows,
+                                roaring::Roaring* bitmap) const {
     if (iterator == nullptr) {
         return Status::OK();
     }
@@ -48,25 +55,28 @@ Status MatchPredicate::evaluate(const Schema& schema, InvertedIndexIterator* ite
         return Status::Error<ErrorCode::INVERTED_INDEX_EVALUATE_SKIPPED>(
                 "match predicate evaluate skipped.");
     }
-    auto column_desc = schema.column(_column_id);
+    auto type = name_with_type.second;
+    const std::string& name = name_with_type.first;
     roaring::Roaring roaring;
     auto inverted_index_query_type = _to_inverted_index_query_type(_match_type);
-
-    if (is_string_type(column_desc->type()) ||
-        (column_desc->type() == FieldType::OLAP_FIELD_TYPE_ARRAY &&
-         is_string_type(column_desc->get_sub_field(0)->type_info()->type()))) {
+    TypeDescriptor column_desc = type->get_type_as_type_descriptor();
+    if (is_string_type(column_desc.type) ||
+        (column_desc.type == TYPE_ARRAY && is_string_type(column_desc.children[0].type))) {
         StringRef match_value;
         int32_t length = _value.length();
         char* buffer = const_cast<char*>(_value.c_str());
         match_value.replace(buffer, length); //is it safe?
         RETURN_IF_ERROR(iterator->read_from_inverted_index(
-                column_desc->name(), &match_value, inverted_index_query_type, num_rows, &roaring));
-    } else if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_ARRAY &&
-               is_numeric_type(column_desc->get_sub_field(0)->type_info()->type())) {
-        char buf[column_desc->get_sub_field(0)->type_info()->size()];
-        RETURN_IF_ERROR(column_desc->get_sub_field(0)->from_string(buf, _value));
-        RETURN_IF_ERROR(iterator->read_from_inverted_index(
-                column_desc->name(), buf, inverted_index_query_type, num_rows, &roaring, true));
+                name, &match_value, inverted_index_query_type, num_rows, &roaring));
+    } else if (column_desc.type == TYPE_ARRAY &&
+               is_numeric_type(
+                       TabletColumn::get_field_type_by_type(column_desc.children[0].type))) {
+        char buf[column_desc.children[0].len];
+        const TypeInfo* type_info = get_scalar_type_info(
+                TabletColumn::get_field_type_by_type(column_desc.children[0].type));
+        RETURN_IF_ERROR(type_info->from_string(buf, _value));
+        RETURN_IF_ERROR(iterator->read_from_inverted_index(name, buf, inverted_index_query_type,
+                                                           num_rows, &roaring, true));
     }
 
     // mask out null_bitmap, since NULL cmp VALUE will produce NULL
diff --git a/be/src/olap/match_predicate.h b/be/src/olap/match_predicate.h
index 4232469f4a..915bfd445e 100644
--- a/be/src/olap/match_predicate.h
+++ b/be/src/olap/match_predicate.h
@@ -57,9 +57,14 @@ public:
     }
 
     //evaluate predicate on inverted
-    Status evaluate(const Schema& schema, InvertedIndexIterator* iterator, uint32_t num_rows,
+    Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                    InvertedIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* bitmap) const override;
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        return is_string_type(input_type);
+    }
+
 private:
     InvertedIndexQueryType _to_inverted_index_query_type(MatchType match_type) const;
     std::string _debug_string() const override {
diff --git a/be/src/olap/null_predicate.cpp b/be/src/olap/null_predicate.cpp
index ab1cf5e4f4..b2e767779b 100644
--- a/be/src/olap/null_predicate.cpp
+++ b/be/src/olap/null_predicate.cpp
@@ -53,8 +53,9 @@ Status NullPredicate::evaluate(BitmapIndexIterator* iterator, uint32_t num_rows,
     return Status::OK();
 }
 
-Status NullPredicate::evaluate(const Schema& schema, InvertedIndexIterator* iterator,
-                               uint32_t num_rows, roaring::Roaring* bitmap) const {
+Status NullPredicate::evaluate(const vectorized::NameAndTypePair& name_with_type,
+                               InvertedIndexIterator* iterator, uint32_t num_rows,
+                               roaring::Roaring* bitmap) const {
     // mask out null_bitmap, since NULL cmp VALUE will produce NULL
     //  and be treated as false in WHERE
     InvertedIndexQueryCacheHandle null_bitmap_cache_handle;
diff --git a/be/src/olap/null_predicate.h b/be/src/olap/null_predicate.h
index 4313adea11..388d080317 100644
--- a/be/src/olap/null_predicate.h
+++ b/be/src/olap/null_predicate.h
@@ -52,7 +52,8 @@ public:
     Status evaluate(BitmapIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* roaring) const override;
 
-    Status evaluate(const Schema& schema, InvertedIndexIterator* iterator, uint32_t num_rows,
+    Status evaluate(const vectorized::NameAndTypePair& name_with_type,
+                    InvertedIndexIterator* iterator, uint32_t num_rows,
                     roaring::Roaring* bitmap) const override;
 
     uint16_t evaluate(const vectorized::IColumn& column, uint16_t* sel,
@@ -96,6 +97,11 @@ public:
 
     bool can_do_bloom_filter(bool ngram) const override { return _is_null && !ngram; }
 
+    bool can_do_apply_safely(PrimitiveType input_type, bool is_null) const override {
+        // Always safe to apply is null predicate
+        return true;
+    }
+
     void evaluate_vec(const vectorized::IColumn& column, uint16_t size, bool* flags) const override;
 
 private:
diff --git a/be/src/olap/push_handler.cpp b/be/src/olap/push_handler.cpp
index de669de603..fb459163f6 100644
--- a/be/src/olap/push_handler.cpp
+++ b/be/src/olap/push_handler.cpp
@@ -167,6 +167,7 @@ Status PushHandler::_do_streaming_ingestion(TabletSharedPtr tablet, const TPushR
     tablet_schema->copy_from(*tablet->tablet_schema());
     if (!request.columns_desc.empty() && request.columns_desc[0].col_unique_id >= 0) {
         tablet_schema->clear_columns();
+        // TODO(lhy) handle variant
         for (const auto& column_desc : request.columns_desc) {
             tablet_schema->append_column(TabletColumn(column_desc));
         }
@@ -228,6 +229,7 @@ Status PushHandler::_convert_v2(TabletSharedPtr cur_tablet, RowsetSharedPtr* cur
         context.rowset_state = PREPARED;
         context.segments_overlap = OVERLAP_UNKNOWN;
         context.tablet_schema = tablet_schema;
+        context.original_tablet_schema = tablet_schema;
         context.newest_write_timestamp = UnixSeconds();
         auto rowset_writer = DORIS_TRY(cur_tablet->create_rowset_writer(context, false));
         _pending_rs_guard =
diff --git a/be/src/olap/reader.cpp b/be/src/olap/reader.cpp
index 75edcb0b97..68365b66fc 100644
--- a/be/src/olap/reader.cpp
+++ b/be/src/olap/reader.cpp
@@ -47,6 +47,7 @@
 #include "olap/schema.h"
 #include "olap/tablet.h"
 #include "olap/tablet_meta.h"
+#include "olap/tablet_schema.h"
 #include "runtime/query_context.h"
 #include "runtime/runtime_predicate.h"
 #include "runtime/runtime_state.h"
@@ -260,6 +261,16 @@ Status TabletReader::_capture_rs_readers(const ReaderParams& read_params) {
     return Status::OK();
 }
 
+TabletColumn TabletReader::materialize_column(const TabletColumn& orig) {
+    if (!orig.is_variant_type()) {
+        return orig;
+    }
+    TabletColumn column_with_cast_type = orig;
+    auto cast_type = _reader_context.target_cast_type_for_variants.at(orig.name());
+    column_with_cast_type.set_type(TabletColumn::get_field_type_by_type(cast_type));
+    return column_with_cast_type;
+}
+
 Status TabletReader::_init_params(const ReaderParams& read_params) {
     read_params.check_validation();
 
@@ -269,6 +280,7 @@ Status TabletReader::_init_params(const ReaderParams& read_params) {
     _tablet = read_params.tablet;
     _tablet_schema = read_params.tablet_schema;
     _reader_context.runtime_state = read_params.runtime_state;
+    _reader_context.target_cast_type_for_variants = read_params.target_cast_type_for_variants;
 
     RETURN_IF_ERROR(_init_conditions_param(read_params));
     _init_conditions_param_except_leafnode_of_andnode(read_params);
@@ -472,7 +484,7 @@ Status TabletReader::_init_conditions_param(const ReaderParams& read_params) {
         RETURN_IF_ERROR(_tablet_schema->have_column(tmp_cond.column_name));
         // The "column" parameter might represent a column resulting from the decomposition of a variant column.
         // Instead of using a "unique_id" for identification, we are utilizing a "path" to denote this column.
-        const auto& column = _tablet_schema->column(tmp_cond.column_name);
+        const auto& column = materialize_column(_tablet_schema->column(tmp_cond.column_name));
         uint32_t index = _tablet_schema->field_index(tmp_cond.column_name);
         ColumnPredicate* predicate =
                 parse_to_predicate(column, index, tmp_cond, _predicate_arena.get());
@@ -518,9 +530,9 @@ Status TabletReader::_init_conditions_param(const ReaderParams& read_params) {
     for (const auto& filter : read_params.function_filters) {
         _col_predicates.emplace_back(_parse_to_predicate(filter));
         auto* pred = _col_predicates.back();
-        const auto& col = _tablet->tablet_schema()->column(pred->column_id());
+        const auto& col = _tablet_schema->column(pred->column_id());
         auto is_like = is_like_predicate(pred);
-        auto* tablet_index = _tablet->tablet_schema()->get_ngram_bf_index(col.unique_id());
+        auto* tablet_index = _tablet_schema->get_ngram_bf_index(col.unique_id());
 
         if (is_like && tablet_index && config::enable_query_like_bloom_filter) {
             std::unique_ptr<segment_v2::BloomFilter> ng_bf;
@@ -545,7 +557,7 @@ void TabletReader::_init_conditions_param_except_leafnode_of_andnode(
         const ReaderParams& read_params) {
     for (const auto& condition : read_params.conditions_except_leafnode_of_andnode) {
         TCondition tmp_cond = condition;
-        const auto& column = _tablet_schema->column(tmp_cond.column_name);
+        const auto& column = materialize_column(_tablet_schema->column(tmp_cond.column_name));
         uint32_t index = _tablet_schema->field_index(tmp_cond.column_name);
         ColumnPredicate* predicate =
                 parse_to_predicate(column, index, tmp_cond, _predicate_arena.get());
@@ -570,7 +582,7 @@ ColumnPredicate* TabletReader::_parse_to_predicate(
     if (index < 0) {
         return nullptr;
     }
-    const TabletColumn& column = _tablet_schema->column(index);
+    const TabletColumn& column = materialize_column(_tablet_schema->column(index));
     return create_column_predicate(index, bloom_filter.second, column.type(),
                                    _reader_context.runtime_state->be_exec_version(), &column);
 }
@@ -581,7 +593,7 @@ ColumnPredicate* TabletReader::_parse_to_predicate(
     if (index < 0) {
         return nullptr;
     }
-    const TabletColumn& column = _tablet_schema->column(index);
+    const TabletColumn& column = materialize_column(_tablet_schema->column(index));
     return create_column_predicate(index, in_filter.second, column.type(),
                                    _reader_context.runtime_state->be_exec_version(), &column);
 }
@@ -592,7 +604,7 @@ ColumnPredicate* TabletReader::_parse_to_predicate(
     if (index < 0) {
         return nullptr;
     }
-    const TabletColumn& column = _tablet_schema->column(index);
+    const TabletColumn& column = materialize_column(_tablet_schema->column(index));
     return create_column_predicate(index, bitmap_filter.second, column.type(),
                                    _reader_context.runtime_state->be_exec_version(), &column);
 }
@@ -602,7 +614,7 @@ ColumnPredicate* TabletReader::_parse_to_predicate(const FunctionFilter& functio
     if (index < 0) {
         return nullptr;
     }
-    const TabletColumn& column = _tablet_schema->column(index);
+    const TabletColumn& column = materialize_column(_tablet_schema->column(index));
     return create_column_predicate(index, std::make_shared<FunctionFilter>(function_filter),
                                    column.type(), _reader_context.runtime_state->be_exec_version(),
                                    &column);
diff --git a/be/src/olap/reader.h b/be/src/olap/reader.h
index a6cbd58460..ed57b9e3d1 100644
--- a/be/src/olap/reader.h
+++ b/be/src/olap/reader.h
@@ -135,6 +135,8 @@ public:
         std::vector<TCondition> conditions_except_leafnode_of_andnode;
         std::vector<FunctionFilter> function_filters;
         std::vector<RowsetMetaSharedPtr> delete_predicates;
+        // slots that cast may be eliminated in storage layer
+        std::map<std::string, PrimitiveType> target_cast_type_for_variants;
 
         std::vector<RowSetSplits> rs_splits;
         // For unique key table with merge-on-write
@@ -257,6 +259,14 @@ protected:
     Status _init_return_columns(const ReaderParams& read_params);
 
     const BaseTabletSPtr& tablet() { return _tablet; }
+    // If original column is a variant type column, and it's predicate is normalized
+    // so in order to get the real type of column predicate, we need to reset type
+    // according to the related type in `target_cast_type_for_variants`.Since variant is not
+    // an predicate applicable type.Otherwise return the original tablet column.
+    // Eg. `where cast(v:a as bigint) > 1` will elimate cast, and materialize this variant column
+    // to type bigint
+    TabletColumn materialize_column(const TabletColumn& orig);
+
     const TabletSchema& tablet_schema() { return *_tablet_schema; }
 
     std::unique_ptr<vectorized::Arena> _predicate_arena;
diff --git a/be/src/olap/rowset/beta_rowset.cpp b/be/src/olap/rowset/beta_rowset.cpp
index 67fbb6c020..b65eac88d3 100644
--- a/be/src/olap/rowset/beta_rowset.cpp
+++ b/be/src/olap/rowset/beta_rowset.cpp
@@ -172,10 +172,10 @@ Status BetaRowset::remove() {
             success = false;
         }
         for (auto& column : _schema->columns()) {
-            const TabletIndex* index_meta = _schema->get_inverted_index(column.unique_id());
+            const TabletIndex* index_meta = _schema->get_inverted_index(column);
             if (index_meta) {
                 std::string inverted_index_file = InvertedIndexDescriptor::get_index_file_name(
-                        seg_path, index_meta->index_id());
+                        seg_path, index_meta->index_id(), index_meta->get_index_suffix());
                 st = fs->delete_file(inverted_index_file);
                 if (!st.ok()) {
                     LOG(WARNING) << st.to_string();
@@ -252,10 +252,10 @@ Status BetaRowset::link_files_to(const std::string& dir, RowsetId new_rowset_id,
             if (without_index_uids != nullptr && without_index_uids->count(index_id)) {
                 continue;
             }
-            std::string inverted_index_src_file_path =
-                    InvertedIndexDescriptor::get_index_file_name(src_path, index_id);
-            std::string inverted_index_dst_file_path =
-                    InvertedIndexDescriptor::get_index_file_name(dst_path, index_id);
+            std::string inverted_index_src_file_path = InvertedIndexDescriptor::get_index_file_name(
+                    src_path, index_id, index.get_index_suffix());
+            std::string inverted_index_dst_file_path = InvertedIndexDescriptor::get_index_file_name(
+                    dst_path, index_id, index.get_index_suffix());
             bool index_file_exists = true;
             RETURN_IF_ERROR(local_fs->exists(inverted_index_src_file_path, &index_file_exists));
             if (index_file_exists) {
@@ -300,14 +300,14 @@ Status BetaRowset::copy_files_to(const std::string& dir, const RowsetId& new_row
         RETURN_IF_ERROR(io::global_local_filesystem()->copy_dirs(src_path, dst_path));
         for (auto& column : _schema->columns()) {
             // if (column.has_inverted_index()) {
-            const TabletIndex* index_meta = _schema->get_inverted_index(column.unique_id());
+            const TabletIndex* index_meta = _schema->get_inverted_index(column);
             if (index_meta) {
                 std::string inverted_index_src_file_path =
-                        InvertedIndexDescriptor::get_index_file_name(src_path,
-                                                                     index_meta->index_id());
+                        InvertedIndexDescriptor::get_index_file_name(
+                                src_path, index_meta->index_id(), index_meta->get_index_suffix());
                 std::string inverted_index_dst_file_path =
-                        InvertedIndexDescriptor::get_index_file_name(dst_path,
-                                                                     index_meta->index_id());
+                        InvertedIndexDescriptor::get_index_file_name(
+                                dst_path, index_meta->index_id(), index_meta->get_index_suffix());
                 RETURN_IF_ERROR(io::global_local_filesystem()->copy_dirs(
                         inverted_index_src_file_path, inverted_index_dst_file_path));
                 LOG(INFO) << "success to copy file. from=" << inverted_index_src_file_path << ", "
@@ -335,14 +335,16 @@ Status BetaRowset::upload_to(io::RemoteFileSystem* dest_fs, const RowsetId& new_
         local_paths.push_back(local_seg_path);
         for (auto& column : _schema->columns()) {
             // if (column.has_inverted_index()) {
-            const TabletIndex* index_meta = _schema->get_inverted_index(column.unique_id());
+            const TabletIndex* index_meta = _schema->get_inverted_index(column);
             if (index_meta) {
                 std::string remote_inverted_index_file =
-                        InvertedIndexDescriptor::get_index_file_name(remote_seg_path,
-                                                                     index_meta->index_id());
+                        InvertedIndexDescriptor::get_index_file_name(
+                                remote_seg_path, index_meta->index_id(),
+                                index_meta->get_index_suffix());
                 std::string local_inverted_index_file =
-                        InvertedIndexDescriptor::get_index_file_name(local_seg_path,
-                                                                     index_meta->index_id());
+                        InvertedIndexDescriptor::get_index_file_name(
+                                local_seg_path, index_meta->index_id(),
+                                index_meta->get_index_suffix());
                 dest_paths.push_back(remote_inverted_index_file);
                 local_paths.push_back(local_inverted_index_file);
             }
diff --git a/be/src/olap/rowset/beta_rowset_reader.cpp b/be/src/olap/rowset/beta_rowset_reader.cpp
index 8877eed2b8..18725b116d 100644
--- a/be/src/olap/rowset/beta_rowset_reader.cpp
+++ b/be/src/olap/rowset/beta_rowset_reader.cpp
@@ -138,7 +138,9 @@ Status BetaRowsetReader::get_segment_iterators(RowsetReaderContext* read_context
     // It is necessary to ensure that there is a schema version when using a cache
     // because the absence of a schema version can result in reading a stale version
     // of the schema after a schema change.
+    // For table contains variants, it's schema is unstable and variable so we could not use schema cache here
     if (_read_context->tablet_schema->schema_version() < 0 ||
+        _read_context->tablet_schema->num_variant_columns() > 0 ||
         (_input_schema = SchemaCache::instance()->get_schema<SchemaSPtr>(schema_key)) == nullptr) {
         _input_schema =
                 std::make_shared<Schema>(_read_context->tablet_schema->columns(), read_columns);
@@ -212,6 +214,7 @@ Status BetaRowsetReader::get_segment_iterators(RowsetReaderContext* read_context
     _read_options.io_ctx.reader_type = _read_context->reader_type;
     _read_options.io_ctx.file_cache_stats = &_stats->file_cache_stats;
     _read_options.io_ctx.is_disposable = _read_context->reader_type != ReaderType::READER_QUERY;
+    _read_options.target_cast_type_for_variants = _read_context->target_cast_type_for_variants;
     if (_read_context->runtime_state != nullptr) {
         _read_options.io_ctx.query_id = &_read_context->runtime_state->query_id();
         _read_options.io_ctx.read_file_cache =
diff --git a/be/src/olap/rowset/beta_rowset_writer.cpp b/be/src/olap/rowset/beta_rowset_writer.cpp
index 62c32c9a57..bcac89ad9a 100644
--- a/be/src/olap/rowset/beta_rowset_writer.cpp
+++ b/be/src/olap/rowset/beta_rowset_writer.cpp
@@ -52,8 +52,7 @@
 #include "util/slice.h"
 #include "util/time.h"
 #include "vec/columns/column.h"
-#include "vec/columns/column_object.h"
-#include "vec/common/schema_util.h" // variant column
+#include "vec/common/schema_util.h"
 #include "vec/core/block.h"
 #include "vec/data_types/data_type_factory.hpp"
 
@@ -321,17 +320,19 @@ Status BetaRowsetWriter::_rename_compacted_indices(int64_t begin, int64_t end, u
     int ret;
     // rename remaining inverted index files
     for (auto column : _context.tablet_schema->columns()) {
-        if (_context.tablet_schema->has_inverted_index(column.unique_id())) {
-            auto index_id =
-                    _context.tablet_schema->get_inverted_index(column.unique_id())->index_id();
+        if (_context.tablet_schema->has_inverted_index(column)) {
+            auto index_info = _context.tablet_schema->get_inverted_index(column);
+            auto index_id = index_info->index_id();
             auto src_idx_path =
                     begin < 0 ? InvertedIndexDescriptor::inverted_index_file_path(
-                                        _context.rowset_dir, _context.rowset_id, seg_id, index_id)
+                                        _context.rowset_dir, _context.rowset_id, seg_id, index_id,
+                                        index_info->get_index_suffix())
                               : InvertedIndexDescriptor::local_inverted_index_path_segcompacted(
                                         _context.rowset_dir, _context.rowset_id, begin, end,
-                                        index_id);
+                                        index_id, index_info->get_index_suffix());
             auto dst_idx_path = InvertedIndexDescriptor::inverted_index_file_path(
-                    _context.rowset_dir, _context.rowset_id, _num_segcompacted, index_id);
+                    _context.rowset_dir, _context.rowset_id, _num_segcompacted, index_id,
+                    index_info->get_index_suffix());
             VLOG_DEBUG << "segcompaction skip this index. rename " << src_idx_path << " to "
                        << dst_idx_path;
             ret = rename(src_idx_path.c_str(), dst_idx_path.c_str());
@@ -427,6 +428,13 @@ Status BetaRowsetWriter::add_rowset(RowsetSharedPtr rowset) {
     if (rowset->rowset_meta()->has_delete_predicate()) {
         _rowset_meta->set_delete_predicate(rowset->rowset_meta()->delete_predicate());
     }
+    // Update the tablet schema in the rowset metadata if the tablet schema contains a variant.
+    // During the build process, _context.tablet_schema will be used as the rowset schema.
+    // This situation may arise in the event of a linked schema change. If this schema is not set,
+    // the subcolumns of the variant will be lost.
+    if (_context.tablet_schema->num_variant_columns() > 0 && rowset->tablet_schema() != nullptr) {
+        _context.tablet_schema = rowset->tablet_schema();
+    }
     return Status::OK();
 }
 
@@ -445,15 +453,9 @@ Status BetaRowsetWriter::flush_memtable(vectorized::Block* block, int32_t segmen
         return Status::OK();
     }
 
-    TabletSchemaSPtr flush_schema;
-    if (_context.tablet_schema->num_variant_columns() > 0) {
-        // Unfold variant column
-        RETURN_IF_ERROR(expand_variant_to_subcolumns(*block, flush_schema));
-    }
     {
         SCOPED_RAW_TIMER(&_segment_writer_ns);
-        RETURN_IF_ERROR(
-                _segment_creator.flush_single_block(block, segment_id, flush_size, flush_schema));
+        RETURN_IF_ERROR(_segment_creator.flush_single_block(block, segment_id, flush_size));
     }
     return Status::OK();
 }
@@ -559,9 +561,8 @@ bool BetaRowsetWriter::_is_segment_overlapping(
 //  => update_schema:       A(bigint), B(double), C(int), D(int)
 void BetaRowsetWriter::update_rowset_schema(TabletSchemaSPtr flush_schema) {
     std::lock_guard<std::mutex> lock(*(_context.schema_lock));
-    TabletSchemaSPtr update_schema = std::make_shared<TabletSchema>();
-    vectorized::schema_util::get_least_common_schema({_context.tablet_schema, flush_schema},
-                                                     update_schema);
+    TabletSchemaSPtr update_schema = vectorized::schema_util::get_least_common_schema(
+            {_context.tablet_schema, flush_schema}, nullptr);
     CHECK_GE(update_schema->num_columns(), flush_schema->num_columns())
             << "Rowset merge schema columns count is " << update_schema->num_columns()
             << ", but flush_schema is larger " << flush_schema->num_columns()
@@ -778,113 +779,4 @@ Status BetaRowsetWriter::flush_segment_writer_for_segcompaction(
     return Status::OK();
 }
 
-Status BetaRowsetWriter::expand_variant_to_subcolumns(vectorized::Block& block,
-                                                      TabletSchemaSPtr& flush_schema) {
-    size_t num_rows = block.rows();
-    if (num_rows == 0) {
-        return Status::OK();
-    }
-
-    std::vector<int> variant_column_pos;
-    if (is_partial_update()) {
-        // check columns that used to do partial updates should not include variant
-        for (int i : get_partial_update_info()->update_cids) {
-            if (_context.tablet_schema->columns()[i].is_variant_type()) {
-                return Status::InvalidArgument("Not implement partial updates for variant");
-            }
-        }
-    } else {
-        for (int i = 0; i < _context.tablet_schema->columns().size(); ++i) {
-            if (_context.tablet_schema->columns()[i].is_variant_type()) {
-                variant_column_pos.push_back(i);
-            }
-        }
-    }
-
-    if (variant_column_pos.empty()) {
-        return Status::OK();
-    }
-
-    try {
-        // Parse each variant column from raw string column
-        vectorized::schema_util::parse_variant_columns(block, variant_column_pos);
-        vectorized::schema_util::finalize_variant_columns(block, variant_column_pos,
-                                                          false /*not ingore sparse*/);
-        vectorized::schema_util::encode_variant_sparse_subcolumns(block, variant_column_pos);
-    } catch (const doris::Exception& e) {
-        // TODO more graceful, max_filter_ratio
-        LOG(WARNING) << "encounter execption " << e.to_string();
-        return Status::InternalError(e.to_string());
-    }
-
-    // Dynamic Block consists of two parts, dynamic part of columns and static part of columns
-    //     static     extracted
-    // | --------- | ----------- |
-    // The static ones are original _tablet_schame columns
-    flush_schema = std::make_shared<TabletSchema>();
-    flush_schema->copy_from(*_context.tablet_schema);
-    vectorized::Block flush_block(std::move(block));
-
-    // If column already exist in original tablet schema, then we pick common type
-    // and cast column to common type, and modify tablet column to common type,
-    // otherwise it's a new column, we should add to frontend
-    auto append_column = [&](const TabletColumn& parent_variant, auto& column_entry_from_object) {
-        const std::string& column_name =
-                parent_variant.name_lower_case() + "." + column_entry_from_object->path.get_path();
-        const vectorized::DataTypePtr& final_data_type_from_object =
-                column_entry_from_object->data.get_least_common_type();
-        TabletColumn tablet_column;
-        vectorized::PathInDataBuilder full_path_builder;
-        auto full_path = full_path_builder.append(parent_variant.name_lower_case(), false)
-                                 .append(column_entry_from_object->path.get_parts(), false)
-                                 .build();
-        vectorized::schema_util::get_column_by_type(
-                final_data_type_from_object, column_name, tablet_column,
-                vectorized::schema_util::ExtraInfo {.unique_id = -1,
-                                                    .parent_unique_id = parent_variant.unique_id(),
-                                                    .path_info = full_path});
-        flush_schema->append_column(std::move(tablet_column));
-        flush_block.insert({column_entry_from_object->data.get_finalized_column_ptr()->get_ptr(),
-                            final_data_type_from_object, column_name});
-    };
-
-    // 1. Flatten variant column into flat columns, append flatten columns to the back of original Block and TabletSchema
-    // those columns are extracted columns, leave none extracted columns remain in original variant column, which is
-    // JSONB format at present.
-    // 2. Collect columns that need to be added or modified when data type changes or new columns encountered
-    for (size_t i = 0; i < variant_column_pos.size(); ++i) {
-        size_t variant_pos = variant_column_pos[i];
-        vectorized::ColumnObject& object_column = assert_cast<vectorized::ColumnObject&>(
-                flush_block.get_by_position(variant_pos).column->assume_mutable_ref());
-        const TabletColumn& parent_column = _context.tablet_schema->columns()[variant_pos];
-        CHECK(object_column.is_finalized());
-        std::shared_ptr<vectorized::ColumnObject::Subcolumns::Node> root;
-        for (auto& entry : object_column.get_subcolumns()) {
-            if (entry->path.empty()) {
-                // root
-                root = entry;
-                continue;
-            }
-            append_column(parent_column, entry);
-        }
-        // Create new variant column and set root column
-        auto obj = vectorized::ColumnObject::create(true, false);
-        // '{}' indicates a root path
-        static_cast<vectorized::ColumnObject*>(obj.get())->add_sub_column(
-                {}, root->data.get_finalized_column_ptr()->assume_mutable(),
-                root->data.get_least_common_type());
-        flush_block.get_by_position(variant_pos).column = obj->get_ptr();
-        vectorized::PathInDataBuilder full_root_path_builder;
-        auto full_root_path =
-                full_root_path_builder.append(parent_column.name_lower_case(), false).build();
-        flush_schema->mutable_columns()[variant_pos].set_path_info(full_root_path);
-        VLOG_DEBUG << "set root_path : " << full_root_path.get_path();
-    }
-    update_rowset_schema(flush_schema);
-    block.swap(flush_block);
-    VLOG_DEBUG << "dump block: " << block.dump_data();
-    VLOG_DEBUG << "dump flush schema: " << flush_schema->dump_structure();
-    return Status::OK();
-}
-
 } // namespace doris
diff --git a/be/src/olap/rowset/beta_rowset_writer.h b/be/src/olap/rowset/beta_rowset_writer.h
index 1821b67003..62e802658f 100644
--- a/be/src/olap/rowset/beta_rowset_writer.h
+++ b/be/src/olap/rowset/beta_rowset_writer.h
@@ -165,14 +165,7 @@ private:
     Status _rename_compacted_segment_plain(uint64_t seg_id);
     Status _rename_compacted_indices(int64_t begin, int64_t end, uint64_t seg_id);
 
-    // Unfold variant column to Block
-    // Eg. [A | B | C | (D, E, F)]
-    // After unfold block structure changed to -> [A | B | C | D | E | F]
-    // The expanded D, E, F is dynamic part of the block
-    // The flushed Block columns should match exactly from the same type of frontend meta
-    Status expand_variant_to_subcolumns(vectorized::Block& block, TabletSchemaSPtr& flush_schema);
     void update_rowset_schema(TabletSchemaSPtr flush_schema);
-
     // build a tmp rowset for load segment to calc delete_bitmap
     // for this segment
     RowsetSharedPtr _build_tmp();
diff --git a/be/src/olap/rowset/beta_rowset_writer_v2.cpp b/be/src/olap/rowset/beta_rowset_writer_v2.cpp
index d5f58d87b3..7d83742af1 100644
--- a/be/src/olap/rowset/beta_rowset_writer_v2.cpp
+++ b/be/src/olap/rowset/beta_rowset_writer_v2.cpp
@@ -96,11 +96,9 @@ Status BetaRowsetWriterV2::flush_memtable(vectorized::Block* block, int32_t segm
         return Status::OK();
     }
 
-    TabletSchemaSPtr flush_schema;
     {
         SCOPED_RAW_TIMER(&_segment_writer_ns);
-        RETURN_IF_ERROR(
-                _segment_creator.flush_single_block(block, segment_id, flush_size, flush_schema));
+        RETURN_IF_ERROR(_segment_creator.flush_single_block(block, segment_id, flush_size));
     }
     // delete bitmap and seg compaction are done on the destination BE.
     return Status::OK();
diff --git a/be/src/olap/rowset/rowset_reader_context.h b/be/src/olap/rowset/rowset_reader_context.h
index d1b6253b13..365f4a734f 100644
--- a/be/src/olap/rowset/rowset_reader_context.h
+++ b/be/src/olap/rowset/rowset_reader_context.h
@@ -80,6 +80,8 @@ struct RowsetReaderContext {
     bool is_key_column_group = false;
     const std::set<int32_t>* output_columns = nullptr;
     RowsetId rowset_id;
+    // slots that cast may be eliminated in storage layer
+    std::map<std::string, PrimitiveType> target_cast_type_for_variants;
 };
 
 } // namespace doris
diff --git a/be/src/olap/rowset/rowset_writer_context.h b/be/src/olap/rowset/rowset_writer_context.h
index 49a63b1e42..89147aca04 100644
--- a/be/src/olap/rowset/rowset_writer_context.h
+++ b/be/src/olap/rowset/rowset_writer_context.h
@@ -63,6 +63,7 @@ struct RowsetWriterContext {
     io::FileSystemSPtr fs;
     std::string rowset_dir;
     TabletSchemaSPtr tablet_schema;
+    TabletSchemaSPtr original_tablet_schema;
     // PREPARED/COMMITTED for pending rowset
     // VISIBLE for non-pending rowset
     RowsetStatePB rowset_state;
diff --git a/be/src/olap/rowset/segcompaction.cpp b/be/src/olap/rowset/segcompaction.cpp
index e3eeeb0201..c772ba711a 100644
--- a/be/src/olap/rowset/segcompaction.cpp
+++ b/be/src/olap/rowset/segcompaction.cpp
@@ -135,10 +135,11 @@ Status SegcompactionWorker::_delete_original_segments(uint32_t begin, uint32_t e
                                        strings::Substitute("Failed to delete file=$0", seg_path));
         // Delete inverted index files
         for (auto column : schema->columns()) {
-            if (schema->has_inverted_index(column.unique_id())) {
-                auto index_id = schema->get_inverted_index(column.unique_id())->index_id();
+            if (schema->has_inverted_index(column)) {
+                auto index_info = schema->get_inverted_index(column);
+                auto index_id = index_info->index_id();
                 auto idx_path = InvertedIndexDescriptor::inverted_index_file_path(
-                        ctx.rowset_dir, ctx.rowset_id, i, index_id);
+                        ctx.rowset_dir, ctx.rowset_id, i, index_id, index_info->get_index_suffix());
                 VLOG_DEBUG << "segcompaction index. delete file " << idx_path;
                 RETURN_NOT_OK_STATUS_WITH_WARN(
                         fs->delete_file(idx_path),
diff --git a/be/src/olap/rowset/segment_creator.cpp b/be/src/olap/rowset/segment_creator.cpp
index eb8173609c..7e904478b1 100644
--- a/be/src/olap/rowset/segment_creator.cpp
+++ b/be/src/olap/rowset/segment_creator.cpp
@@ -27,10 +27,19 @@
 #include "common/compiler_util.h" // IWYU pragma: keep
 #include "common/config.h"
 #include "common/logging.h"
+#include "common/status.h"
 #include "io/fs/file_writer.h"
+#include "olap/olap_define.h"
 #include "olap/rowset/beta_rowset_writer.h" // SegmentStatistics
 #include "olap/rowset/segment_v2/segment_writer.h"
 #include "olap/rowset/segment_v2/vertical_segment_writer.h"
+#include "olap/tablet_schema.h"
+#include "olap/utils.h"
+#include "vec/columns/column.h"
+#include "vec/columns/column_nullable.h"
+#include "vec/columns/column_object.h"
+#include "vec/common/assert_cast.h"
+#include "vec/common/schema_util.h" // variant column
 #include "vec/core/block.h"
 
 namespace doris {
@@ -40,32 +49,168 @@ SegmentFlusher::SegmentFlusher() = default;
 
 SegmentFlusher::~SegmentFlusher() = default;
 
-Status SegmentFlusher::init(const RowsetWriterContext& rowset_writer_context) {
-    _context = rowset_writer_context;
+Status SegmentFlusher::init(RowsetWriterContext& rowset_writer_context) {
+    _context = &rowset_writer_context;
     return Status::OK();
 }
 
 Status SegmentFlusher::flush_single_block(const vectorized::Block* block, int32_t segment_id,
-                                          int64_t* flush_size, TabletSchemaSPtr flush_schema) {
+                                          int64_t* flush_size) {
     if (block->rows() == 0) {
         return Status::OK();
     }
-    bool no_compression = block->bytes() <= config::segment_compression_threshold_kb * 1024;
+    TabletSchemaSPtr flush_schema = nullptr;
+    // Expand variant columns
+    vectorized::Block flush_block(*block);
+    if (_context->write_type != DataWriteType::TYPE_COMPACTION &&
+        _context->tablet_schema->num_variant_columns() > 0) {
+        RETURN_IF_ERROR(_expand_variant_to_subcolumns(flush_block, flush_schema));
+    }
+    bool no_compression = flush_block.bytes() <= config::segment_compression_threshold_kb * 1024;
     if (config::enable_vertical_segment_writer &&
-        _context.tablet_schema->cluster_key_idxes().empty()) {
+        _context->tablet_schema->cluster_key_idxes().empty()) {
         std::unique_ptr<segment_v2::VerticalSegmentWriter> writer;
         RETURN_IF_ERROR(_create_segment_writer(writer, segment_id, no_compression, flush_schema));
-        RETURN_IF_ERROR(_add_rows(writer, block, 0, block->rows()));
+        RETURN_IF_ERROR(_add_rows(writer, &flush_block, 0, flush_block.rows()));
         RETURN_IF_ERROR(_flush_segment_writer(writer, flush_size));
     } else {
         std::unique_ptr<segment_v2::SegmentWriter> writer;
         RETURN_IF_ERROR(_create_segment_writer(writer, segment_id, no_compression, flush_schema));
-        RETURN_IF_ERROR(_add_rows(writer, block, 0, block->rows()));
+        RETURN_IF_ERROR(_add_rows(writer, &flush_block, 0, flush_block.rows()));
         RETURN_IF_ERROR(_flush_segment_writer(writer, flush_size));
     }
     return Status::OK();
 }
 
+Status SegmentFlusher::_expand_variant_to_subcolumns(vectorized::Block& block,
+                                                     TabletSchemaSPtr& flush_schema) {
+    size_t num_rows = block.rows();
+    if (num_rows == 0) {
+        return Status::OK();
+    }
+
+    std::vector<int> variant_column_pos;
+    if (_context->partial_update_info && _context->partial_update_info->is_partial_update) {
+        // check columns that used to do partial updates should not include variant
+        for (int i : _context->partial_update_info->update_cids) {
+            const auto& col = _context->tablet_schema->columns()[i];
+            if (!col.is_key() && col.name() != DELETE_SIGN) {
+                return Status::InvalidArgument(
+                        "Not implement partial update for variant only support delete currently");
+            }
+        }
+    } else {
+        for (int i = 0; i < _context->tablet_schema->columns().size(); ++i) {
+            if (_context->tablet_schema->columns()[i].is_variant_type()) {
+                variant_column_pos.push_back(i);
+            }
+        }
+    }
+
+    if (variant_column_pos.empty()) {
+        return Status::OK();
+    }
+
+    RETURN_IF_ERROR(
+            vectorized::schema_util::parse_and_encode_variant_columns(block, variant_column_pos));
+
+    // Dynamic Block consists of two parts, dynamic part of columns and static part of columns
+    //     static     extracted
+    // | --------- | ----------- |
+    // The static ones are original _tablet_schame columns
+    flush_schema = std::make_shared<TabletSchema>();
+    flush_schema->copy_from(*_context->original_tablet_schema);
+
+    vectorized::Block flush_block(std::move(block));
+    // If column already exist in original tablet schema, then we pick common type
+    // and cast column to common type, and modify tablet column to common type,
+    // otherwise it's a new column
+    auto append_column = [&](const TabletColumn& parent_variant, auto& column_entry_from_object) {
+        const std::string& column_name =
+                parent_variant.name_lower_case() + "." + column_entry_from_object->path.get_path();
+        const vectorized::DataTypePtr& final_data_type_from_object =
+                column_entry_from_object->data.get_least_common_type();
+        vectorized::PathInDataBuilder full_path_builder;
+        auto full_path = full_path_builder.append(parent_variant.name_lower_case(), false)
+                                 .append(column_entry_from_object->path.get_parts(), false)
+                                 .build();
+        TabletColumn tablet_column = vectorized::schema_util::get_column_by_type(
+                final_data_type_from_object, column_name,
+                vectorized::schema_util::ExtraInfo {.unique_id = parent_variant.unique_id(),
+                                                    .parent_unique_id = parent_variant.unique_id(),
+                                                    .path_info = full_path});
+        flush_schema->append_column(std::move(tablet_column));
+
+        flush_block.insert({column_entry_from_object->data.get_finalized_column_ptr()->get_ptr(),
+                            final_data_type_from_object, column_name});
+    };
+
+    // 1. Flatten variant column into flat columns, append flatten columns to the back of original Block and TabletSchema
+    // those columns are extracted columns, leave none extracted columns remain in original variant column, which is
+    // JSONB format at present.
+    // 2. Collect columns that need to be added or modified when data type changes or new columns encountered
+    for (size_t i = 0; i < variant_column_pos.size(); ++i) {
+        size_t variant_pos = variant_column_pos[i];
+        auto column_ref = flush_block.get_by_position(variant_pos).column;
+        bool is_nullable = column_ref->is_nullable();
+        const vectorized::ColumnObject& object_column = assert_cast<vectorized::ColumnObject&>(
+                remove_nullable(column_ref)->assume_mutable_ref());
+        const TabletColumn& parent_column = _context->tablet_schema->columns()[variant_pos];
+        CHECK(object_column.is_finalized());
+        std::shared_ptr<vectorized::ColumnObject::Subcolumns::Node> root;
+        for (auto& entry : object_column.get_subcolumns()) {
+            if (entry->path.empty()) {
+                // root
+                root = entry;
+                continue;
+            }
+            append_column(parent_column, entry);
+        }
+        // Create new variant column and set root column
+        auto obj = vectorized::ColumnObject::create(true, false);
+        // '{}' indicates a root path
+        static_cast<vectorized::ColumnObject*>(obj.get())->add_sub_column(
+                {}, root->data.get_finalized_column_ptr()->assume_mutable(),
+                root->data.get_least_common_type());
+        vectorized::ColumnPtr result = obj->get_ptr();
+        if (is_nullable) {
+            const auto& null_map = assert_cast<const vectorized::ColumnNullable&>(*column_ref)
+                                           .get_null_map_column_ptr();
+            result = vectorized::ColumnNullable::create(result, null_map);
+        }
+        flush_block.get_by_position(variant_pos).column = result;
+        vectorized::PathInDataBuilder full_root_path_builder;
+        auto full_root_path =
+                full_root_path_builder.append(parent_column.name_lower_case(), false).build();
+        flush_schema->mutable_columns()[variant_pos].set_path_info(full_root_path);
+        VLOG_DEBUG << "set root_path : " << full_root_path.get_path();
+    }
+
+    vectorized::schema_util::inherit_tablet_index(flush_schema);
+
+    {
+        // Update rowset schema, tablet's tablet schema will be updated when build Rowset
+        // Eg. flush schema:    A(int),    B(float),  C(int), D(int)
+        // ctx.tablet_schema:  A(bigint), B(double)
+        // => update_schema:   A(bigint), B(double), C(int), D(int)
+        std::lock_guard<std::mutex> lock(*(_context->schema_lock));
+        TabletSchemaSPtr update_schema = vectorized::schema_util::get_least_common_schema(
+                {_context->tablet_schema, flush_schema}, nullptr);
+        CHECK_GE(update_schema->num_columns(), flush_schema->num_columns())
+                << "Rowset merge schema columns count is " << update_schema->num_columns()
+                << ", but flush_schema is larger " << flush_schema->num_columns()
+                << " update_schema: " << update_schema->dump_structure()
+                << " flush_schema: " << flush_schema->dump_structure();
+        _context->tablet_schema.swap(update_schema);
+        VLOG_DEBUG << "dump rs schema: " << _context->tablet_schema->dump_structure();
+    }
+
+    block.swap(flush_block);
+    VLOG_DEBUG << "dump block: " << block.dump_data();
+    VLOG_DEBUG << "dump flush schema: " << flush_schema->dump_structure();
+    return Status::OK();
+}
+
 Status SegmentFlusher::close() {
     std::lock_guard<SpinLock> l(_lock);
     for (auto& file_writer : _file_writers) {
@@ -79,6 +224,12 @@ Status SegmentFlusher::close() {
     return Status::OK();
 }
 
+bool SegmentFlusher::need_buffering() {
+    // buffering variants for schema change
+    return _context->write_type == DataWriteType::TYPE_SCHEMA_CHANGE &&
+           _context->tablet_schema->num_variant_columns() > 0;
+}
+
 Status SegmentFlusher::_add_rows(std::unique_ptr<segment_v2::SegmentWriter>& segment_writer,
                                  const vectorized::Block* block, size_t row_offset,
                                  size_t row_num) {
@@ -100,20 +251,20 @@ Status SegmentFlusher::_create_segment_writer(std::unique_ptr<segment_v2::Segmen
                                               int32_t segment_id, bool no_compression,
                                               TabletSchemaSPtr flush_schema) {
     io::FileWriterPtr file_writer;
-    RETURN_IF_ERROR(_context.file_writer_creator->create(segment_id, file_writer));
+    RETURN_IF_ERROR(_context->file_writer_creator->create(segment_id, file_writer));
 
     segment_v2::SegmentWriterOptions writer_options;
-    writer_options.enable_unique_key_merge_on_write = _context.enable_unique_key_merge_on_write;
-    writer_options.rowset_ctx = &_context;
-    writer_options.write_type = _context.write_type;
+    writer_options.enable_unique_key_merge_on_write = _context->enable_unique_key_merge_on_write;
+    writer_options.rowset_ctx = _context;
+    writer_options.write_type = _context->write_type;
     if (no_compression) {
         writer_options.compression_type = NO_COMPRESSION;
     }
 
-    const auto& tablet_schema = flush_schema ? flush_schema : _context.tablet_schema;
+    const auto& tablet_schema = flush_schema ? flush_schema : _context->tablet_schema;
     writer.reset(new segment_v2::SegmentWriter(
-            file_writer.get(), segment_id, tablet_schema, _context.tablet, _context.data_dir,
-            _context.max_rows_per_segment, writer_options, _context.mow_context));
+            file_writer.get(), segment_id, tablet_schema, _context->tablet, _context->data_dir,
+            _context->max_rows_per_segment, writer_options, _context->mow_context));
     {
         std::lock_guard<SpinLock> l(_lock);
         _file_writers.push_back(std::move(file_writer));
@@ -131,20 +282,20 @@ Status SegmentFlusher::_create_segment_writer(
         std::unique_ptr<segment_v2::VerticalSegmentWriter>& writer, int32_t segment_id,
         bool no_compression, TabletSchemaSPtr flush_schema) {
     io::FileWriterPtr file_writer;
-    RETURN_IF_ERROR(_context.file_writer_creator->create(segment_id, file_writer));
+    RETURN_IF_ERROR(_context->file_writer_creator->create(segment_id, file_writer));
 
     segment_v2::VerticalSegmentWriterOptions writer_options;
-    writer_options.enable_unique_key_merge_on_write = _context.enable_unique_key_merge_on_write;
-    writer_options.rowset_ctx = &_context;
-    writer_options.write_type = _context.write_type;
+    writer_options.enable_unique_key_merge_on_write = _context->enable_unique_key_merge_on_write;
+    writer_options.rowset_ctx = _context;
+    writer_options.write_type = _context->write_type;
     if (no_compression) {
         writer_options.compression_type = NO_COMPRESSION;
     }
 
-    const auto& tablet_schema = flush_schema ? flush_schema : _context.tablet_schema;
+    const auto& tablet_schema = flush_schema ? flush_schema : _context->tablet_schema;
     writer.reset(new segment_v2::VerticalSegmentWriter(
-            file_writer.get(), segment_id, tablet_schema, _context.tablet, _context.data_dir,
-            _context.max_rows_per_segment, writer_options, _context.mow_context));
+            file_writer.get(), segment_id, tablet_schema, _context->tablet, _context->data_dir,
+            _context->max_rows_per_segment, writer_options, _context->mow_context));
     {
         std::lock_guard<SpinLock> l(_lock);
         _file_writers.push_back(std::move(file_writer));
@@ -172,9 +323,9 @@ Status SegmentFlusher::_flush_segment_writer(
     if (!s.ok()) {
         return Status::Error(s.code(), "failed to finalize segment: {}", s.to_string());
     }
-    VLOG_DEBUG << "tablet_id:" << _context.tablet_id
+    VLOG_DEBUG << "tablet_id:" << _context->tablet_id
                << " flushing filename: " << writer->data_dir_path()
-               << " rowset_id:" << _context.rowset_id;
+               << " rowset_id:" << _context->rowset_id;
 
     KeyBoundsPB key_bounds;
     Slice min_key = writer->min_encoded_key();
@@ -192,7 +343,7 @@ Status SegmentFlusher::_flush_segment_writer(
 
     writer.reset();
 
-    RETURN_IF_ERROR(_context.segment_collector->add(segment_id, segstat));
+    RETURN_IF_ERROR(_context->segment_collector->add(segment_id, segstat));
 
     if (flush_size) {
         *flush_size = segment_size + index_size;
@@ -214,9 +365,9 @@ Status SegmentFlusher::_flush_segment_writer(std::unique_ptr<segment_v2::Segment
     if (!s.ok()) {
         return Status::Error(s.code(), "failed to finalize segment: {}", s.to_string());
     }
-    VLOG_DEBUG << "tablet_id:" << _context.tablet_id
-               << " flushing rowset_dir: " << _context.rowset_dir
-               << " rowset_id:" << _context.rowset_id;
+    VLOG_DEBUG << "tablet_id:" << _context->tablet_id
+               << " flushing rowset_dir: " << _context->rowset_dir
+               << " rowset_id:" << _context->rowset_id;
 
     KeyBoundsPB key_bounds;
     Slice min_key = writer->min_encoded_key();
@@ -234,7 +385,7 @@ Status SegmentFlusher::_flush_segment_writer(std::unique_ptr<segment_v2::Segment
 
     writer.reset();
 
-    RETURN_IF_ERROR(_context.segment_collector->add(segment_id, segstat));
+    RETURN_IF_ERROR(_context->segment_collector->add(segment_id, segstat));
 
     if (flush_size) {
         *flush_size = segment_size + index_size;
@@ -265,7 +416,7 @@ int64_t SegmentFlusher::Writer::max_row_to_add(size_t row_avg_size_in_bytes) {
     return _writer->max_row_to_add(row_avg_size_in_bytes);
 }
 
-Status SegmentCreator::init(const RowsetWriterContext& rowset_writer_context) {
+Status SegmentCreator::init(RowsetWriterContext& rowset_writer_context) {
     RETURN_IF_ERROR(_segment_flusher.init(rowset_writer_context));
     return Status::OK();
 }
@@ -280,6 +431,16 @@ Status SegmentCreator::add_block(const vectorized::Block* block) {
     size_t row_avg_size_in_bytes = std::max((size_t)1, block_size_in_bytes / block_row_num);
     size_t row_offset = 0;
 
+    if (_segment_flusher.need_buffering()) {
+        if (_buffer_block.allocated_bytes() > config::write_buffer_size) {
+            vectorized::Block block = _buffer_block.to_block();
+            RETURN_IF_ERROR(flush_single_block(&block));
+        } else {
+            RETURN_IF_ERROR(_buffer_block.merge(*block));
+        }
+        return Status::OK();
+    }
+
     if (_flush_writer == nullptr) {
         RETURN_IF_ERROR(_segment_flusher.create_writer(_flush_writer, allocate_segment_id()));
     }
@@ -302,6 +463,10 @@ Status SegmentCreator::add_block(const vectorized::Block* block) {
 }
 
 Status SegmentCreator::flush() {
+    if (_buffer_block.rows() > 0) {
+        vectorized::Block block = _buffer_block.to_block();
+        RETURN_IF_ERROR(flush_single_block(&block));
+    }
     if (_flush_writer == nullptr) {
         return Status::OK();
     }
@@ -311,12 +476,11 @@ Status SegmentCreator::flush() {
 }
 
 Status SegmentCreator::flush_single_block(const vectorized::Block* block, int32_t segment_id,
-                                          int64_t* flush_size, TabletSchemaSPtr flush_schema) {
+                                          int64_t* flush_size) {
     if (block->rows() == 0) {
         return Status::OK();
     }
-    RETURN_IF_ERROR(
-            _segment_flusher.flush_single_block(block, segment_id, flush_size, flush_schema));
+    RETURN_IF_ERROR(_segment_flusher.flush_single_block(block, segment_id, flush_size));
     return Status::OK();
 }
 
diff --git a/be/src/olap/rowset/segment_creator.h b/be/src/olap/rowset/segment_creator.h
index 054a416e07..0a53117b4d 100644
--- a/be/src/olap/rowset/segment_creator.h
+++ b/be/src/olap/rowset/segment_creator.h
@@ -27,6 +27,7 @@
 #include "olap/olap_common.h"
 #include "olap/rowset/rowset_writer_context.h"
 #include "util/spinlock.h"
+#include "vec/core/block.h"
 
 namespace doris {
 namespace vectorized {
@@ -87,13 +88,12 @@ public:
 
     ~SegmentFlusher();
 
-    Status init(const RowsetWriterContext& rowset_writer_context);
+    Status init(RowsetWriterContext& rowset_writer_context);
 
     // Return the file size flushed to disk in "flush_size"
     // This method is thread-safe.
     Status flush_single_block(const vectorized::Block* block, int32_t segment_id,
-                              int64_t* flush_size = nullptr,
-                              TabletSchemaSPtr flush_schema = nullptr);
+                              int64_t* flush_size = nullptr);
 
     int64_t num_rows_written() const { return _num_rows_written; }
 
@@ -125,7 +125,10 @@ public:
 
     Status create_writer(std::unique_ptr<SegmentFlusher::Writer>& writer, uint32_t segment_id);
 
+    bool need_buffering();
+
 private:
+    Status _expand_variant_to_subcolumns(vectorized::Block& block, TabletSchemaSPtr& flush_schema);
     Status _add_rows(std::unique_ptr<segment_v2::SegmentWriter>& segment_writer,
                      const vectorized::Block* block, size_t row_offset, size_t row_num);
     Status _add_rows(std::unique_ptr<segment_v2::VerticalSegmentWriter>& segment_writer,
@@ -142,7 +145,7 @@ private:
                                  int64_t* flush_size = nullptr);
 
 private:
-    RowsetWriterContext _context;
+    RowsetWriterContext* _context;
 
     mutable SpinLock _lock; // protect following vectors.
     std::vector<io::FileWriterPtr> _file_writers;
@@ -158,7 +161,7 @@ public:
 
     ~SegmentCreator() = default;
 
-    Status init(const RowsetWriterContext& rowset_writer_context);
+    Status init(RowsetWriterContext& rowset_writer_context);
 
     void set_segment_start_id(uint32_t start_id) { _next_segment_id = start_id; }
 
@@ -178,8 +181,7 @@ public:
     // Return the file size flushed to disk in "flush_size"
     // This method is thread-safe.
     Status flush_single_block(const vectorized::Block* block, int32_t segment_id,
-                              int64_t* flush_size = nullptr,
-                              TabletSchemaSPtr flush_schema = nullptr);
+                              int64_t* flush_size = nullptr);
 
     // Flush a block into a single segment, without pre-allocated segment_id.
     // This method is thread-safe.
@@ -193,6 +195,9 @@ private:
     std::atomic<int32_t> _next_segment_id = 0;
     SegmentFlusher _segment_flusher;
     std::unique_ptr<SegmentFlusher::Writer> _flush_writer;
+
+    // Buffer block to num bytes before flushing
+    vectorized::MutableBlock _buffer_block;
 };
 
 } // namespace doris
diff --git a/be/src/olap/rowset/segment_v2/column_reader.cpp b/be/src/olap/rowset/segment_v2/column_reader.cpp
index 1432d51eb1..ee5d04864d 100644
--- a/be/src/olap/rowset/segment_v2/column_reader.cpp
+++ b/be/src/olap/rowset/segment_v2/column_reader.cpp
@@ -47,6 +47,7 @@
 #include "olap/rowset/segment_v2/page_io.h"
 #include "olap/rowset/segment_v2/page_pointer.h" // for PagePointer
 #include "olap/rowset/segment_v2/row_ranges.h"
+#include "olap/rowset/segment_v2/segment.h"
 #include "olap/rowset/segment_v2/zone_map_index.h"
 #include "olap/tablet_schema.h"
 #include "olap/types.h" // for TypeInfo
@@ -61,10 +62,12 @@
 #include "vec/columns/column_array.h"
 #include "vec/columns/column_map.h"
 #include "vec/columns/column_nullable.h"
+#include "vec/columns/column_object.h"
 #include "vec/columns/column_struct.h"
 #include "vec/columns/column_vector.h"
 #include "vec/columns/columns_number.h"
 #include "vec/common/assert_cast.h"
+#include "vec/common/schema_util.h"
 #include "vec/common/string_ref.h"
 #include "vec/core/types.h"
 #include "vec/runtime/vdatetime_value.h" //for VecDateTime
@@ -171,6 +174,14 @@ Status ColumnReader::create(const ColumnReaderOptions& opts, const ColumnMetaPB&
             *reader = std::move(map_reader);
             return Status::OK();
         }
+        case FieldType::OLAP_FIELD_TYPE_VARIANT: {
+            // Read variant only root data using a single ColumnReader
+            std::unique_ptr<ColumnReader> reader_local(
+                    new ColumnReader(opts, meta, num_rows, file_reader));
+            RETURN_IF_ERROR(reader_local->init(&meta));
+            *reader = std::move(reader_local);
+            return Status::OK();
+        }
         default:
             return Status::NotSupported("unsupported type for ColumnReader: {}",
                                         std::to_string(int(type)));
@@ -668,6 +679,10 @@ Status ColumnReader::new_iterator(ColumnIterator** iterator) {
                                                   val_iterator);
             return Status::OK();
         }
+        case FieldType::OLAP_FIELD_TYPE_VARIANT: {
+            *iterator = new VariantRootColumnIterator(new FileColumnIterator(this));
+            return Status::OK();
+        }
         default:
             return Status::NotSupported("unsupported type to create iterator: {}",
                                         std::to_string(int(type)));
@@ -1435,6 +1450,10 @@ void DefaultValueColumnIterator::insert_default_data(const TypeInfo* type_info,
         }
         break;
     }
+    case FieldType::OLAP_FIELD_TYPE_VARIANT: {
+        dst->insert_many_defaults(n);
+        break;
+    }
     default: {
         char* data_ptr = (char*)mem_value;
         size_t data_len = type_size;
@@ -1464,5 +1483,73 @@ void DefaultValueColumnIterator::_insert_many_default(vectorized::MutableColumnP
     }
 }
 
+Status VariantRootColumnIterator::next_batch(size_t* n, vectorized::MutableColumnPtr& dst,
+                                             bool* has_null) {
+    size_t size = dst->size();
+    auto& obj =
+            dst->is_nullable()
+                    ? assert_cast<vectorized::ColumnObject&>(
+                              assert_cast<vectorized::ColumnNullable&>(*dst).get_nested_column())
+                    : assert_cast<vectorized::ColumnObject&>(*dst);
+    if (obj.is_null_root()) {
+        obj.create_root();
+    }
+    auto root_column = obj.get_root();
+    RETURN_IF_ERROR(_inner_iter->next_batch(n, root_column, has_null));
+    obj.incr_num_rows(*n);
+    for (auto& entry : obj.get_subcolumns()) {
+        if (entry->data.size() != size + *n) {
+            entry->data.insertManyDefaults(*n);
+        }
+    }
+    // fill nullmap
+    if (root_column->is_nullable()) {
+        DCHECK(dst->is_nullable());
+        vectorized::ColumnUInt8& dst_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*dst).get_null_map_column();
+        vectorized::ColumnUInt8& src_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*root_column).get_null_map_column();
+        dst_null_map.insert_range_from(src_null_map, 0, src_null_map.size());
+    }
+#ifndef NDEBUG
+    obj.check_consistency();
+#endif
+    return Status::OK();
+}
+
+Status VariantRootColumnIterator::read_by_rowids(const rowid_t* rowids, const size_t count,
+                                                 vectorized::MutableColumnPtr& dst) {
+    size_t size = dst->size();
+    auto& obj =
+            dst->is_nullable()
+                    ? assert_cast<vectorized::ColumnObject&>(
+                              assert_cast<vectorized::ColumnNullable&>(*dst).get_nested_column())
+                    : assert_cast<vectorized::ColumnObject&>(*dst);
+    if (obj.is_null_root()) {
+        obj.create_root();
+    }
+    auto root_column = obj.get_root();
+    RETURN_IF_ERROR(_inner_iter->read_by_rowids(rowids, count, root_column));
+    obj.incr_num_rows(count);
+    for (auto& entry : obj.get_subcolumns()) {
+        if (entry->data.size() != size + count) {
+            entry->data.insertManyDefaults(count);
+        }
+    }
+    // fill nullmap
+    if (root_column->is_nullable()) {
+        DCHECK(dst->is_nullable());
+        vectorized::ColumnUInt8& dst_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*dst).get_null_map_column();
+        vectorized::ColumnUInt8& src_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*root_column).get_null_map_column();
+        dst_null_map.insert_range_from(src_null_map, 0, src_null_map.size());
+    }
+#ifndef NDEBUG
+    obj.check_consistency();
+#endif
+    return Status::OK();
+}
+
 } // namespace segment_v2
 } // namespace doris
diff --git a/be/src/olap/rowset/segment_v2/column_reader.h b/be/src/olap/rowset/segment_v2/column_reader.h
index fbd72dbd33..99ff231080 100644
--- a/be/src/olap/rowset/segment_v2/column_reader.h
+++ b/be/src/olap/rowset/segment_v2/column_reader.h
@@ -44,7 +44,9 @@
 #include "util/once.h"
 #include "vec/columns/column.h"
 #include "vec/columns/column_array.h" // ColumnArray
+#include "vec/columns/subcolumn_tree.h"
 #include "vec/data_types/data_type.h"
+#include "vec/json/path_in_data.h"
 
 namespace doris {
 
@@ -595,6 +597,38 @@ private:
     int32_t _segment_id = 0;
 };
 
+class VariantRootColumnIterator : public ColumnIterator {
+public:
+    VariantRootColumnIterator() = delete;
+
+    explicit VariantRootColumnIterator(FileColumnIterator* iter) { _inner_iter.reset(iter); }
+
+    ~VariantRootColumnIterator() override = default;
+
+    Status init(const ColumnIteratorOptions& opts) override { return _inner_iter->init(opts); }
+
+    Status seek_to_first() override { return _inner_iter->seek_to_first(); }
+
+    Status seek_to_ordinal(ordinal_t ord_idx) override {
+        return _inner_iter->seek_to_ordinal(ord_idx);
+    }
+
+    Status next_batch(size_t* n, vectorized::MutableColumnPtr& dst) {
+        bool has_null;
+        return next_batch(n, dst, &has_null);
+    }
+
+    Status next_batch(size_t* n, vectorized::MutableColumnPtr& dst, bool* has_null) override;
+
+    Status read_by_rowids(const rowid_t* rowids, const size_t count,
+                          vectorized::MutableColumnPtr& dst) override;
+
+    ordinal_t get_current_ordinal() const override { return _inner_iter->get_current_ordinal(); }
+
+private:
+    std::unique_ptr<FileColumnIterator> _inner_iter;
+};
+
 // This iterator is used to read default value column
 class DefaultValueColumnIterator : public ColumnIterator {
 public:
diff --git a/be/src/olap/rowset/segment_v2/hierarchical_data_reader.cpp b/be/src/olap/rowset/segment_v2/hierarchical_data_reader.cpp
new file mode 100644
index 0000000000..69e18cb14c
--- /dev/null
+++ b/be/src/olap/rowset/segment_v2/hierarchical_data_reader.cpp
@@ -0,0 +1,232 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#include "olap/rowset/segment_v2/hierarchical_data_reader.h"
+
+#include "common/status.h"
+#include "io/io_common.h"
+#include "olap/rowset/segment_v2/column_reader.h"
+#include "vec/columns/column.h"
+#include "vec/columns/column_object.h"
+#include "vec/common/assert_cast.h"
+#include "vec/common/schema_util.h"
+#include "vec/data_types/data_type.h"
+#include "vec/data_types/data_type_nullable.h"
+#include "vec/json/path_in_data.h"
+
+namespace doris {
+namespace segment_v2 {
+
+Status HierarchicalDataReader::create(std::unique_ptr<ColumnIterator>* reader,
+                                      const SubcolumnColumnReaders::Node* node,
+                                      const SubcolumnColumnReaders::Node* root,
+                                      bool output_as_raw_json) {
+    // None leave node need merge with root
+    auto* stream_iter = new HierarchicalDataReader(node->path, output_as_raw_json);
+    std::vector<const SubcolumnColumnReaders::Node*> leaves;
+    vectorized::PathsInData leaves_paths;
+    SubcolumnColumnReaders::get_leaves_of_node(node, leaves, leaves_paths);
+    for (size_t i = 0; i < leaves_paths.size(); ++i) {
+        if (leaves_paths[i] == root->path) {
+            // use set_root to share instead
+            continue;
+        }
+        RETURN_IF_ERROR(stream_iter->add_stream(leaves[i]));
+    }
+    // Make sure the root node is in strem_cache, so that child can merge data with root
+    // Eg. {"a" : "b" : {"c" : 1}}, access the `a.b` path and merge with root path so that
+    // we could make sure the data could be fully merged, since some column may not be extracted but remains in root
+    // like {"a" : "b" : {"e" : 1.1}} in jsonb format
+    ColumnIterator* it;
+    RETURN_IF_ERROR(root->data.reader->new_iterator(&it));
+    stream_iter->set_root(std::make_unique<StreamReader>(
+            root->data.file_column_type->create_column(), std::unique_ptr<ColumnIterator>(it),
+            root->data.file_column_type));
+    reader->reset(stream_iter);
+    return Status::OK();
+}
+
+Status HierarchicalDataReader::init(const ColumnIteratorOptions& opts) {
+    RETURN_IF_ERROR(tranverse([&](SubstreamReaderTree::Node& node) {
+        RETURN_IF_ERROR(node.data.iterator->init(opts));
+        node.data.inited = true;
+        return Status::OK();
+    }));
+    if (_root_reader && !_root_reader->inited) {
+        RETURN_IF_ERROR(_root_reader->iterator->init(opts));
+        _root_reader->inited = true;
+    }
+    return Status::OK();
+}
+
+Status HierarchicalDataReader::seek_to_first() {
+    LOG(FATAL) << "Not implemented";
+}
+
+Status HierarchicalDataReader::seek_to_ordinal(ordinal_t ord) {
+    RETURN_IF_ERROR(tranverse([&](SubstreamReaderTree::Node& node) {
+        RETURN_IF_ERROR(node.data.iterator->seek_to_ordinal(ord));
+        return Status::OK();
+    }));
+    if (_root_reader) {
+        DCHECK(_root_reader->inited);
+        RETURN_IF_ERROR(_root_reader->iterator->seek_to_ordinal(ord));
+    }
+    return Status::OK();
+}
+
+Status HierarchicalDataReader::next_batch(size_t* n, vectorized::MutableColumnPtr& dst,
+                                          bool* has_null) {
+    return process_read(
+            [&](StreamReader& reader, const vectorized::PathInData& path,
+                const vectorized::DataTypePtr& type) {
+                CHECK(reader.inited);
+                RETURN_IF_ERROR(reader.iterator->next_batch(n, reader.column, has_null));
+                VLOG_DEBUG << fmt::format("{} next_batch {} rows, type={}", path.get_path(), *n,
+                                          type->get_name());
+                reader.rows_read += *n;
+                return Status::OK();
+            },
+            dst, *n);
+}
+
+Status HierarchicalDataReader::read_by_rowids(const rowid_t* rowids, const size_t count,
+                                              vectorized::MutableColumnPtr& dst) {
+    return process_read(
+            [&](StreamReader& reader, const vectorized::PathInData& path,
+                const vectorized::DataTypePtr& type) {
+                CHECK(reader.inited);
+                RETURN_IF_ERROR(reader.iterator->read_by_rowids(rowids, count, reader.column));
+                VLOG_DEBUG << fmt::format("{} read_by_rowids {} rows, type={}", path.get_path(),
+                                          count, type->get_name());
+                reader.rows_read += count;
+                return Status::OK();
+            },
+            dst, count);
+}
+
+Status HierarchicalDataReader::add_stream(const SubcolumnColumnReaders::Node* node) {
+    if (_substream_reader.find_leaf(node->path)) {
+        VLOG_DEBUG << "Already exist sub column " << node->path.get_path();
+        return Status::OK();
+    }
+    CHECK(node);
+    ColumnIterator* it;
+    RETURN_IF_ERROR(node->data.reader->new_iterator(&it));
+    std::unique_ptr<ColumnIterator> it_ptr;
+    it_ptr.reset(it);
+    StreamReader reader(node->data.file_column_type->create_column(), std::move(it_ptr),
+                        node->data.file_column_type);
+    bool added = _substream_reader.add(node->path, std::move(reader));
+    if (!added) {
+        return Status::InternalError("Failed to add node path {}", node->path.get_path());
+    }
+    VLOG_DEBUG << fmt::format("Add substream {} for {}", node->path.get_path(), _path.get_path());
+    return Status::OK();
+}
+
+ordinal_t HierarchicalDataReader::get_current_ordinal() const {
+    return (*_substream_reader.begin())->data.iterator->get_current_ordinal();
+}
+
+Status ExtractReader::init(const ColumnIteratorOptions& opts) {
+    if (!_root_reader->inited) {
+        RETURN_IF_ERROR(_root_reader->iterator->init(opts));
+        _root_reader->inited = true;
+    }
+    return Status::OK();
+}
+
+Status ExtractReader::seek_to_first() {
+    LOG(FATAL) << "Not implemented";
+}
+
+Status ExtractReader::seek_to_ordinal(ordinal_t ord) {
+    CHECK(_root_reader->inited);
+    return _root_reader->iterator->seek_to_ordinal(ord);
+}
+
+Status ExtractReader::extract_to(vectorized::MutableColumnPtr& dst, size_t nrows) {
+    DCHECK(_root_reader);
+    DCHECK(_root_reader->inited);
+    vectorized::ColumnNullable* nullable_column = nullptr;
+    if (dst->is_nullable()) {
+        nullable_column = assert_cast<vectorized::ColumnNullable*>(dst.get());
+    }
+    auto& variant =
+            nullable_column == nullptr
+                    ? assert_cast<vectorized::ColumnObject&>(*dst)
+                    : assert_cast<vectorized::ColumnObject&>(nullable_column->get_nested_column());
+    const auto& root =
+            _root_reader->column->is_nullable()
+                    ? assert_cast<vectorized::ColumnObject&>(
+                              assert_cast<vectorized::ColumnNullable&>(*_root_reader->column)
+                                      .get_nested_column())
+                    : assert_cast<const vectorized::ColumnObject&>(*_root_reader->column);
+    // extract root value with path, we can't modify the original root column
+    // since some other column may depend on it.
+    vectorized::MutableColumnPtr extracted_column;
+    RETURN_IF_ERROR(root.extract_root( // trim the root name, eg. v.a.b -> a.b
+            _col.path_info().pop_front(), extracted_column));
+    if (variant.empty() || variant.is_null_root()) {
+        variant.create_root(root.get_root_type(), std::move(extracted_column));
+    } else {
+        vectorized::ColumnPtr cast_column;
+        const auto& expected_type = variant.get_root_type();
+        RETURN_IF_ERROR(vectorized::schema_util::cast_column(
+                {extracted_column->get_ptr(),
+                 vectorized::make_nullable(
+                         std::make_shared<vectorized::ColumnObject::MostCommonType>()),
+                 ""},
+                expected_type, &cast_column));
+        variant.get_root()->insert_range_from(*cast_column, 0, nrows);
+        variant.set_num_rows(variant.get_root()->size());
+    }
+    if (dst->is_nullable()) {
+        // fill nullmap
+        vectorized::ColumnUInt8& dst_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*dst).get_null_map_column();
+        vectorized::ColumnUInt8& src_null_map =
+                assert_cast<vectorized::ColumnNullable&>(*variant.get_root()).get_null_map_column();
+        dst_null_map.insert_range_from(src_null_map, 0, src_null_map.size());
+    }
+    _root_reader->column->clear();
+#ifndef NDEBUG
+    variant.check_consistency();
+#endif
+    return Status::OK();
+}
+
+Status ExtractReader::next_batch(size_t* n, vectorized::MutableColumnPtr& dst, bool* has_null) {
+    RETURN_IF_ERROR(_root_reader->iterator->next_batch(n, _root_reader->column));
+    RETURN_IF_ERROR(extract_to(dst, *n));
+    return Status::OK();
+}
+
+Status ExtractReader::read_by_rowids(const rowid_t* rowids, const size_t count,
+                                     vectorized::MutableColumnPtr& dst) {
+    RETURN_IF_ERROR(_root_reader->iterator->read_by_rowids(rowids, count, _root_reader->column));
+    RETURN_IF_ERROR(extract_to(dst, count));
+    return Status::OK();
+}
+
+ordinal_t ExtractReader::get_current_ordinal() const {
+    return _root_reader->iterator->get_current_ordinal();
+}
+
+} // namespace segment_v2
+} // namespace doris
diff --git a/be/src/olap/rowset/segment_v2/hierarchical_data_reader.h b/be/src/olap/rowset/segment_v2/hierarchical_data_reader.h
new file mode 100644
index 0000000000..9b8b25b26b
--- /dev/null
+++ b/be/src/olap/rowset/segment_v2/hierarchical_data_reader.h
@@ -0,0 +1,237 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#pragma once
+
+#include <memory>
+#include <unordered_map>
+
+#include "io/io_common.h"
+#include "olap/field.h"
+#include "olap/iterators.h"
+#include "olap/rowset/segment_v2/column_reader.h"
+#include "olap/schema.h"
+#include "olap/tablet_schema.h"
+#include "vec/columns/column.h"
+#include "vec/columns/column_nullable.h"
+#include "vec/columns/column_object.h"
+#include "vec/columns/subcolumn_tree.h"
+#include "vec/common/assert_cast.h"
+#include "vec/data_types/data_type_object.h"
+#include "vec/data_types/data_type_string.h"
+#include "vec/json/path_in_data.h"
+
+namespace doris {
+namespace segment_v2 {
+
+struct StreamReader {
+    vectorized::MutableColumnPtr column;
+    std::unique_ptr<ColumnIterator> iterator;
+    std::shared_ptr<const vectorized::IDataType> type;
+    bool inited = false;
+    size_t rows_read = 0;
+    StreamReader() = default;
+    StreamReader(vectorized::MutableColumnPtr&& col, std::unique_ptr<ColumnIterator>&& it,
+                 std::shared_ptr<const vectorized::IDataType> t)
+            : column(std::move(col)), iterator(std::move(it)), type(t) {}
+};
+
+// path -> StreamReader
+using SubstreamReaderTree = vectorized::SubcolumnsTree<StreamReader>;
+
+// path -> SubcolumnReader
+struct SubcolumnReader {
+    std::unique_ptr<ColumnReader> reader;
+    std::shared_ptr<const vectorized::IDataType> file_column_type;
+};
+using SubcolumnColumnReaders = vectorized::SubcolumnsTree<SubcolumnReader>;
+
+// Reader for hierarchical data for variant, merge with root(sparse encoded columns)
+class HierarchicalDataReader : public ColumnIterator {
+public:
+    HierarchicalDataReader(const vectorized::PathInData& path, bool output_as_raw_json = false)
+            : _path(path), _output_as_raw_json(output_as_raw_json) {}
+
+    static Status create(std::unique_ptr<ColumnIterator>* reader,
+                         const SubcolumnColumnReaders::Node* target_node,
+                         const SubcolumnColumnReaders::Node* root, bool output_as_raw_json = false);
+
+    Status init(const ColumnIteratorOptions& opts) override;
+
+    Status seek_to_first() override;
+
+    Status seek_to_ordinal(ordinal_t ord) override;
+
+    Status next_batch(size_t* n, vectorized::MutableColumnPtr& dst, bool* has_null) override;
+
+    Status read_by_rowids(const rowid_t* rowids, const size_t count,
+                          vectorized::MutableColumnPtr& dst) override;
+
+    ordinal_t get_current_ordinal() const override;
+
+    Status add_stream(const SubcolumnColumnReaders::Node* node);
+
+    void set_root(std::unique_ptr<StreamReader>&& root) { _root_reader = std::move(root); }
+
+private:
+    SubstreamReaderTree _substream_reader;
+    std::unique_ptr<StreamReader> _root_reader;
+    size_t _rows_read = 0;
+    vectorized::PathInData _path;
+    bool _output_as_raw_json = false;
+
+    template <typename NodeFunction>
+    Status tranverse(NodeFunction&& node_func) {
+        for (auto& entry : _substream_reader) {
+            RETURN_IF_ERROR(node_func(*entry));
+        }
+        return Status::OK();
+    }
+    // process read
+    template <typename ReadFunction>
+    Status process_read(ReadFunction&& read_func, vectorized::MutableColumnPtr& dst, size_t nrows) {
+        // // Read all sub columns, and merge with root column
+        vectorized::ColumnNullable* nullable_column = nullptr;
+        if (dst->is_nullable()) {
+            nullable_column = assert_cast<vectorized::ColumnNullable*>(dst.get());
+        }
+        auto& variant = nullable_column == nullptr ? assert_cast<vectorized::ColumnObject&>(*dst)
+                                                   : assert_cast<vectorized::ColumnObject&>(
+                                                             nullable_column->get_nested_column());
+
+        // read data
+        // read root first if it is not read before
+        RETURN_IF_ERROR(read_func(*_root_reader, {}, _root_reader->type));
+
+        // read container columns
+        RETURN_IF_ERROR(tranverse([&](SubstreamReaderTree::Node& node) {
+            RETURN_IF_ERROR(read_func(node.data, node.path, node.data.type));
+            return Status::OK();
+        }));
+
+        // build variant as container
+        auto container = vectorized::ColumnObject::create(true, false);
+        auto& container_variant = assert_cast<vectorized::ColumnObject&>(*container);
+
+        // add root first
+        if (_path.get_parts().size() == 1) {
+            auto& root_var =
+                    _root_reader->column->is_nullable()
+                            ? assert_cast<vectorized::ColumnObject&>(
+                                      assert_cast<vectorized::ColumnNullable&>(
+                                              *_root_reader->column)
+                                              .get_nested_column())
+                            : assert_cast<vectorized::ColumnObject&>(*_root_reader->column);
+            auto column = root_var.get_root();
+            auto type = root_var.get_root_type();
+            container_variant.add_sub_column({}, std::move(column), type);
+        }
+
+        RETURN_IF_ERROR(tranverse([&](SubstreamReaderTree::Node& node) {
+            vectorized::MutableColumnPtr column = node.data.column->get_ptr();
+            bool add = container_variant.add_sub_column(node.path.pop_front(), std::move(column),
+                                                        node.data.type);
+            if (!add) {
+                return Status::InternalError("Duplicated {}, type {}", node.path.get_path(),
+                                             node.data.type->get_name());
+            }
+            return Status::OK();
+        }));
+
+        if (_output_as_raw_json) {
+            auto col_to = vectorized::ColumnString::create();
+            col_to->reserve(nrows * 2);
+            vectorized::VectorBufferWriter write_buffer(*col_to.get());
+            auto type = std::make_shared<vectorized::DataTypeObject>();
+            for (size_t i = 0; i < nrows; ++i) {
+                type->to_string(container_variant, i, write_buffer);
+                write_buffer.commit();
+            }
+            CHECK(variant.empty());
+            variant.create_root(std::make_shared<vectorized::DataTypeString>(), std::move(col_to));
+        } else {
+            // TODO select v:b -> v.b / v.b.c but v.d maybe in v
+            // copy container variant to dst variant, todo avoid copy
+            variant.insert_range_from(container_variant, 0, nrows);
+        }
+
+        // variant.set_num_rows(nrows);
+        _rows_read += nrows;
+        variant.finalize();
+#ifndef NDEBUG
+        variant.check_consistency();
+#endif
+        // clear data in nodes
+        RETURN_IF_ERROR(tranverse([&](SubstreamReaderTree::Node& node) {
+            node.data.column->clear();
+            return Status::OK();
+        }));
+        container->clear();
+        if (_root_reader->column->is_nullable()) {
+            // fill nullmap
+            DCHECK(dst->is_nullable());
+            vectorized::ColumnUInt8& dst_null_map =
+                    assert_cast<vectorized::ColumnNullable&>(*dst).get_null_map_column();
+            vectorized::ColumnUInt8& src_null_map =
+                    assert_cast<vectorized::ColumnNullable&>(*_root_reader->column)
+                            .get_null_map_column();
+            dst_null_map.insert_range_from(src_null_map, 0, src_null_map.size());
+            // clear nullmap and inner data
+            src_null_map.clear();
+            assert_cast<vectorized::ColumnObject&>(
+                    assert_cast<vectorized::ColumnNullable&>(*_root_reader->column)
+                            .get_nested_column())
+                    .clear_subcolumns_data();
+        } else {
+            vectorized::ColumnObject& root_column =
+                    assert_cast<vectorized::ColumnObject&>(*_root_reader->column);
+            root_column.clear_subcolumns_data();
+        }
+        return Status::OK();
+    }
+};
+
+// Extract from root column of variant, since root column of variant
+// encodes sparse columns that are not materialized
+class ExtractReader : public ColumnIterator {
+public:
+    ExtractReader(const TabletColumn& col, std::unique_ptr<StreamReader>&& root_reader)
+            : _col(col), _root_reader(std::move(root_reader)) {}
+
+    Status init(const ColumnIteratorOptions& opts) override;
+
+    Status seek_to_first() override;
+
+    Status seek_to_ordinal(ordinal_t ord) override;
+
+    Status next_batch(size_t* n, vectorized::MutableColumnPtr& dst, bool* has_null) override;
+
+    Status read_by_rowids(const rowid_t* rowids, const size_t count,
+                          vectorized::MutableColumnPtr& dst) override;
+
+    ordinal_t get_current_ordinal() const override;
+
+private:
+    Status extract_to(vectorized::MutableColumnPtr& dst, size_t nrows);
+
+    const TabletColumn& _col;
+    // may shared among different column iterators
+    std::unique_ptr<StreamReader> _root_reader;
+};
+
+} // namespace segment_v2
+} // namespace doris
diff --git a/be/src/olap/rowset/segment_v2/inverted_index_desc.cpp b/be/src/olap/rowset/segment_v2/inverted_index_desc.cpp
index 4bdf44ead0..bf05b85751 100644
--- a/be/src/olap/rowset/segment_v2/inverted_index_desc.cpp
+++ b/be/src/olap/rowset/segment_v2/inverted_index_desc.cpp
@@ -27,30 +27,36 @@ const std::string segment_suffix = ".dat";
 const std::string index_suffix = ".idx";
 const std::string index_name_separator = "_";
 
-std::string InvertedIndexDescriptor::get_temporary_index_path(const std::string& segment_path,
-                                                              uint32_t uuid) {
+std::string InvertedIndexDescriptor::get_temporary_index_path(
+        const std::string& segment_path, uint32_t uuid, const std::string& index_suffix_path) {
+    std::string suffix = index_suffix_path.empty() ? "" : "@" + index_suffix_path;
     return StripSuffixString(segment_path, segment_suffix) + index_name_separator +
-           std::to_string(uuid);
+           std::to_string(uuid) + suffix;
 }
 
 std::string InvertedIndexDescriptor::get_index_file_name(const std::string& segment_path,
-                                                         uint32_t uuid) {
+                                                         uint32_t uuid,
+                                                         const std::string& index_suffix_path) {
+    std::string suffix = index_suffix_path.empty() ? "" : "@" + index_suffix_path;
     return StripSuffixString(segment_path, segment_suffix) + index_name_separator +
-           std::to_string(uuid) + index_suffix;
+           std::to_string(uuid) + suffix + index_suffix;
 }
 
-std::string InvertedIndexDescriptor::inverted_index_file_path(const string& rowset_dir,
-                                                              const RowsetId& rowset_id,
-                                                              int segment_id, int64_t index_id) {
+std::string InvertedIndexDescriptor::inverted_index_file_path(
+        const string& rowset_dir, const RowsetId& rowset_id, int segment_id, int64_t index_id,
+        const std::string& index_suffix_path) {
     // {rowset_dir}/{schema_hash}/{rowset_id}_{seg_num}_{index_id}.idx
-    return fmt::format("{}/{}_{}_{}.idx", rowset_dir, rowset_id.to_string(), segment_id, index_id);
+    std::string suffix = index_suffix_path.empty() ? "" : "@" + index_suffix_path;
+    return fmt::format("{}/{}_{}_{}{}.idx", rowset_dir, rowset_id.to_string(), segment_id, index_id,
+                       suffix);
 }
 
 std::string InvertedIndexDescriptor::local_inverted_index_path_segcompacted(
         const string& tablet_path, const RowsetId& rowset_id, int64_t begin, int64_t end,
-        int64_t index_id) {
+        int64_t index_id, const std::string& index_suffix_path) {
     // {root_path}/data/{shard_id}/{tablet_id}/{schema_hash}/{rowset_id}_{begin_seg}-{end_seg}_{index_id}.idx
-    return fmt::format("{}/{}_{}-{}_{}.idx", tablet_path, rowset_id.to_string(), begin, end,
-                       index_id);
+    std::string suffix = index_suffix_path.empty() ? "" : "@" + index_suffix_path;
+    return fmt::format("{}/{}_{}-{}_{}{}.idx", tablet_path, rowset_id.to_string(), begin, end,
+                       index_id, suffix);
 }
 } // namespace doris::segment_v2
\ No newline at end of file
diff --git a/be/src/olap/rowset/segment_v2/inverted_index_desc.h b/be/src/olap/rowset/segment_v2/inverted_index_desc.h
index 1cf4636d80..25c9913e21 100644
--- a/be/src/olap/rowset/segment_v2/inverted_index_desc.h
+++ b/be/src/olap/rowset/segment_v2/inverted_index_desc.h
@@ -28,20 +28,24 @@ namespace segment_v2 {
 
 class InvertedIndexDescriptor {
 public:
-    static std::string get_temporary_index_path(const std::string& segment_path, uint32_t uuid);
-    static std::string get_index_file_name(const std::string& path, uint32_t uuid);
+    static std::string get_temporary_index_path(const std::string& segment_path, uint32_t uuid,
+                                                const std::string& index_suffix_path);
+    static std::string get_index_file_name(const std::string& path, uint32_t uuid,
+                                           const std::string& index_suffix_path);
     static const std::string get_temporary_null_bitmap_file_name() { return "null_bitmap"; }
     static const std::string get_temporary_bkd_index_data_file_name() { return "bkd"; }
     static const std::string get_temporary_bkd_index_meta_file_name() { return "bkd_meta"; }
     static const std::string get_temporary_bkd_index_file_name() { return "bkd_index"; }
     static std::string inverted_index_file_path(const std::string& rowset_dir,
                                                 const RowsetId& rowset_id, int segment_id,
-                                                int64_t index_id);
+                                                int64_t index_id,
+                                                const std::string& index_suffix_path);
 
     static std::string local_inverted_index_path_segcompacted(const std::string& tablet_path,
                                                               const RowsetId& rowset_id,
                                                               int64_t begin, int64_t end,
-                                                              int64_t index_id);
+                                                              int64_t index_id,
+                                                              const std::string& index_suffix_path);
 };
 
 } // namespace segment_v2
diff --git a/be/src/olap/rowset/segment_v2/inverted_index_reader.cpp b/be/src/olap/rowset/segment_v2/inverted_index_reader.cpp
index e870680ef5..49f0365c2b 100644
--- a/be/src/olap/rowset/segment_v2/inverted_index_reader.cpp
+++ b/be/src/olap/rowset/segment_v2/inverted_index_reader.cpp
@@ -188,8 +188,8 @@ Status InvertedIndexReader::read_null_bitmap(InvertedIndexQueryCacheHandle* cach
         // try to get query bitmap result from cache and return immediately on cache hit
         io::Path path(_path);
         auto index_dir = path.parent_path();
-        auto index_file_name = InvertedIndexDescriptor::get_index_file_name(path.filename(),
-                                                                            _index_meta.index_id());
+        auto index_file_name = InvertedIndexDescriptor::get_index_file_name(
+                path.filename(), _index_meta.index_id(), _index_meta.get_index_suffix());
         auto index_file_path = index_dir / index_file_name;
         InvertedIndexQueryCache::CacheKey cache_key {
                 index_file_path, "", InvertedIndexQueryType::UNKNOWN_QUERY, "null_bitmap"};
@@ -251,8 +251,8 @@ Status FullTextIndexReader::query(OlapReaderStatistics* stats, RuntimeState* run
 
     io::Path path(_path);
     auto index_dir = path.parent_path();
-    auto index_file_name =
-            InvertedIndexDescriptor::get_index_file_name(path.filename(), _index_meta.index_id());
+    auto index_file_name = InvertedIndexDescriptor::get_index_file_name(
+            path.filename(), _index_meta.index_id(), _index_meta.get_index_suffix());
     auto index_file_path = index_dir / index_file_name;
     InvertedIndexCtxSPtr inverted_index_ctx = std::make_shared<InvertedIndexCtx>();
     inverted_index_ctx->parser_type = get_inverted_index_parser_type_from_string(
@@ -525,8 +525,8 @@ Status StringTypeInvertedIndexReader::query(OlapReaderStatistics* stats,
 
     io::Path path(_path);
     auto index_dir = path.parent_path();
-    auto index_file_name =
-            InvertedIndexDescriptor::get_index_file_name(path.filename(), _index_meta.index_id());
+    auto index_file_name = InvertedIndexDescriptor::get_index_file_name(
+            path.filename(), _index_meta.index_id(), _index_meta.get_index_suffix());
     auto index_file_path = index_dir / index_file_name;
 
     // try to get query bitmap result from cache and return immediately on cache hit
@@ -642,8 +642,8 @@ BkdIndexReader::BkdIndexReader(io::FileSystemSPtr fs, const std::string& path,
         : InvertedIndexReader(fs, path, index_meta), _compoundReader(nullptr) {
     io::Path io_path(_path);
     auto index_dir = io_path.parent_path();
-    auto index_file_name = InvertedIndexDescriptor::get_index_file_name(io_path.filename(),
-                                                                        index_meta->index_id());
+    auto index_file_name = InvertedIndexDescriptor::get_index_file_name(
+            io_path.filename(), index_meta->index_id(), index_meta->get_index_suffix());
 
     // check index file existence
     auto index_file = index_dir / index_file_name;
diff --git a/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp b/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
index 5c53a91c3d..8dabf80dfb 100644
--- a/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
+++ b/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
@@ -117,7 +117,8 @@ public:
             if (config::enable_write_index_searcher_cache) {
                 // open index searcher into cache
                 auto index_file_name = InvertedIndexDescriptor::get_index_file_name(
-                        _segment_file_name, _index_meta->index_id());
+                        _segment_file_name, _index_meta->index_id(),
+                        _index_meta->get_index_suffix());
                 static_cast<void>(InvertedIndexSearcherCache::instance()->insert(_fs, _directory,
                                                                                  index_file_name));
             }
@@ -139,7 +140,8 @@ public:
         bool create = true;
 
         auto index_path = InvertedIndexDescriptor::get_temporary_index_path(
-                _directory + "/" + _segment_file_name, _index_meta->index_id());
+                _directory + "/" + _segment_file_name, _index_meta->index_id(),
+                _index_meta->get_index_suffix());
 
         // LOG(INFO) << "inverted index path: " << index_path;
         bool exists = false;
@@ -429,8 +431,8 @@ public:
     int64_t file_size() const override {
         std::filesystem::path dir(_directory);
         dir /= _segment_file_name;
-        auto file_name =
-                InvertedIndexDescriptor::get_index_file_name(dir.string(), _index_meta->index_id());
+        auto file_name = InvertedIndexDescriptor::get_index_file_name(
+                dir.string(), _index_meta->index_id(), _index_meta->get_index_suffix());
         int64_t size = -1;
         auto st = _fs->file_size(file_name.c_str(), &size);
         if (!st.ok()) {
@@ -465,7 +467,8 @@ public:
             // write bkd file
             if constexpr (field_is_numeric_type(field_type)) {
                 auto index_path = InvertedIndexDescriptor::get_temporary_index_path(
-                        _directory + "/" + _segment_file_name, _index_meta->index_id());
+                        _directory + "/" + _segment_file_name, _index_meta->index_id(),
+                        _index_meta->get_index_suffix());
                 dir = DorisCompoundDirectory::getDirectory(_fs, index_path.c_str(), true);
                 write_null_bitmap(null_bitmap_out, dir);
                 _bkd_writer->max_doc_ = _rid;
diff --git a/be/src/olap/rowset/segment_v2/segment.cpp b/be/src/olap/rowset/segment_v2/segment.cpp
index a8c2c095e1..32e4683576 100644
--- a/be/src/olap/rowset/segment_v2/segment.cpp
+++ b/be/src/olap/rowset/segment_v2/segment.cpp
@@ -34,9 +34,11 @@
 #include "olap/block_column_predicate.h"
 #include "olap/column_predicate.h"
 #include "olap/iterators.h"
+#include "olap/olap_common.h"
 #include "olap/primary_key_index.h"
 #include "olap/rowset/rowset_reader_context.h"
 #include "olap/rowset/segment_v2/empty_segment_iterator.h"
+#include "olap/rowset/segment_v2/hierarchical_data_reader.h"
 #include "olap/rowset/segment_v2/indexed_column_reader.h"
 #include "olap/rowset/segment_v2/page_io.h"
 #include "olap/rowset/segment_v2/page_pointer.h"
@@ -48,6 +50,7 @@
 #include "olap/tablet_schema.h"
 #include "olap/types.h"
 #include "olap/utils.h"
+#include "runtime/define_primitive_type.h"
 #include "runtime/memory/mem_tracker.h"
 #include "runtime/query_context.h"
 #include "runtime/runtime_predicate.h"
@@ -60,6 +63,8 @@
 #include "vec/common/string_ref.h"
 #include "vec/data_types/data_type.h"
 #include "vec/data_types/data_type_factory.hpp"
+#include "vec/data_types/data_type_nullable.h"
+#include "vec/data_types/data_type_object.h"
 #include "vec/olap/vgeneric_iterators.h"
 
 namespace doris {
@@ -117,11 +122,15 @@ Status Segment::new_iterator(SchemaSPtr schema, const StorageReadOptions& read_o
         if (_tablet_schema->num_columns() <= column_id) {
             continue;
         }
+        // TODO handle var path
         int32_t uid = read_options.tablet_schema->column(column_id).unique_id();
         if (_column_readers.count(uid) < 1 || !_column_readers.at(uid)->has_zone_map()) {
             continue;
         }
         if (read_options.col_id_to_predicates.count(column_id) > 0 &&
+            can_apply_predicate_safely(column_id,
+                                       read_options.col_id_to_predicates.at(column_id).get(),
+                                       *schema, read_options.io_ctx.reader_type) &&
             !_column_readers.at(uid)->match_condition(entry.second.get())) {
             // any condition not satisfied, return.
             iter->reset(new EmptySegmentIterator(*schema));
@@ -133,12 +142,15 @@ Status Segment::new_iterator(SchemaSPtr schema, const StorageReadOptions& read_o
         auto query_ctx = read_options.runtime_state->get_query_ctx();
         auto runtime_predicate = query_ctx->get_runtime_predicate().get_predictate();
         if (runtime_predicate) {
+            // TODO handle var path
             int32_t uid =
                     read_options.tablet_schema->column(runtime_predicate->column_id()).unique_id();
             AndBlockColumnPredicate and_predicate;
             auto single_predicate = new SingleColumnBlockPredicate(runtime_predicate.get());
             and_predicate.add_column_predicate(single_predicate);
-            if (!_column_readers.at(uid)->match_condition(&and_predicate)) {
+            if (can_apply_predicate_safely(runtime_predicate->column_id(), runtime_predicate.get(),
+                                           *schema, read_options.io_ctx.reader_type) &&
+                !_column_readers.at(uid)->match_condition(&and_predicate)) {
                 // any condition not satisfied, return.
                 iter->reset(new EmptySegmentIterator(*schema));
                 read_options.stats->filtered_segment_number++;
@@ -318,14 +330,42 @@ Status Segment::_load_index_impl() {
     });
 }
 
+// Return the storage datatype of related column to field.
+// Return nullptr meaning no such storage infomation for this column
+vectorized::DataTypePtr Segment::get_data_type_of(const Field& field, bool ignore_children) const {
+    // Path has higher priority
+    if (!field.path().empty()) {
+        auto node = _sub_column_tree.find_leaf(field.path());
+        if (node) {
+            if (ignore_children || node->children.empty()) {
+                return node->data.file_column_type;
+            }
+        }
+        // it contains children or column missing in storage, so treat it as variant
+        return field.is_nullable()
+                       ? vectorized::make_nullable(std::make_shared<vectorized::DataTypeObject>())
+                       : std::make_shared<vectorized::DataTypeObject>();
+    }
+    // TODO support normal column type
+    return nullptr;
+}
 Status Segment::_create_column_readers(const SegmentFooterPB& footer) {
     std::unordered_map<uint32_t, uint32_t> column_id_to_footer_ordinal;
-
+    std::unordered_map<vectorized::PathInData, uint32_t, vectorized::PathInData::Hash>
+            column_path_to_footer_ordinal;
     for (uint32_t ordinal = 0; ordinal < footer.columns().size(); ++ordinal) {
         auto& column_pb = footer.columns(ordinal);
-        column_id_to_footer_ordinal.emplace(column_pb.unique_id(), ordinal);
+        if (column_pb.has_column_path_info()) {
+            // column path
+            vectorized::PathInData path;
+            path.from_protobuf(column_pb.column_path_info());
+            column_path_to_footer_ordinal.emplace(path, ordinal);
+        } else {
+            // unique id
+            column_id_to_footer_ordinal.emplace(column_pb.unique_id(), ordinal);
+        }
     }
-
+    // init by unique_id
     for (uint32_t ordinal = 0; ordinal < _tablet_schema->num_columns(); ++ordinal) {
         auto& column = _tablet_schema->column(ordinal);
         auto iter = column_id_to_footer_ordinal.find(column.unique_id());
@@ -341,6 +381,115 @@ Status Segment::_create_column_readers(const SegmentFooterPB& footer) {
                                              _file_reader, &reader));
         _column_readers.emplace(column.unique_id(), std::move(reader));
     }
+
+    // init by column path
+    for (uint32_t ordinal = 0; ordinal < _tablet_schema->num_columns(); ++ordinal) {
+        auto& column = _tablet_schema->column(ordinal);
+        auto iter = column_path_to_footer_ordinal.find(column.path_info());
+        if (iter == column_path_to_footer_ordinal.end()) {
+            continue;
+        }
+        ColumnReaderOptions opts;
+        opts.kept_in_memory = _tablet_schema->is_in_memory();
+        std::unique_ptr<ColumnReader> reader;
+        RETURN_IF_ERROR(ColumnReader::create(opts, footer.columns(iter->second), footer.num_rows(),
+                                             _file_reader, &reader));
+        _sub_column_tree.add(
+                iter->first,
+                SubcolumnReader {std::move(reader),
+                                 vectorized::DataTypeFactory::instance().create_data_type(
+                                         footer.columns(iter->second))});
+    }
+    return Status::OK();
+}
+
+static Status new_default_iterator(const TabletColumn& tablet_column,
+                                   std::unique_ptr<ColumnIterator>* iter) {
+    if (!tablet_column.has_default_value() && !tablet_column.is_nullable()) {
+        return Status::InternalError("invalid nonexistent column without default value.");
+    }
+    auto type_info = get_type_info(&tablet_column);
+    std::unique_ptr<DefaultValueColumnIterator> default_value_iter(new DefaultValueColumnIterator(
+            tablet_column.has_default_value(), tablet_column.default_value(),
+            tablet_column.is_nullable(), std::move(type_info), tablet_column.precision(),
+            tablet_column.frac()));
+    ColumnIteratorOptions iter_opts;
+
+    RETURN_IF_ERROR(default_value_iter->init(iter_opts));
+    *iter = std::move(default_value_iter);
+    return Status::OK();
+}
+
+Status Segment::new_column_iterator_with_path(const TabletColumn& tablet_column,
+                                              std::unique_ptr<ColumnIterator>* iter,
+                                              StorageReadOptions* opt) {
+    vectorized::PathInData root_path;
+    if (tablet_column.path_info().empty()) {
+        // Missing path info, but need read the whole variant column
+        root_path = vectorized::PathInData(tablet_column.name_lower_case());
+    } else {
+        root_path = vectorized::PathInData({tablet_column.path_info().get_parts()[0]});
+    }
+    auto root = _sub_column_tree.find_leaf(root_path);
+    auto node = _sub_column_tree.find_exact(tablet_column.path_info());
+    if (opt->io_ctx.reader_type == ReaderType::READER_ALTER_TABLE) {
+        CHECK(tablet_column.is_variant_type());
+        if (node == nullptr) {
+            // No such variant column in this segment, get a default one
+            RETURN_IF_ERROR(new_default_iterator(tablet_column, iter));
+            return Status::OK();
+        }
+        bool output_as_raw_json = true;
+        // Alter table operation should read the whole variant column, since it does not aware of
+        // subcolumns of variant during processing rewriting rowsets.
+        // This is slow, since it needs to read all sub columns and merge them into a single column
+        RETURN_IF_ERROR(HierarchicalDataReader::create(iter, node, root, output_as_raw_json));
+        return Status::OK();
+    }
+
+    if (opt->io_ctx.reader_type != ReaderType::READER_QUERY) {
+        // Could be compaction ..etc and read flat leaves nodes data
+        auto node = _sub_column_tree.find_leaf(tablet_column.path_info());
+        if (!node) {
+            RETURN_IF_ERROR(new_default_iterator(tablet_column, iter));
+            return Status::OK();
+        }
+        ColumnIterator* it;
+        RETURN_IF_ERROR(node->data.reader->new_iterator(&it));
+        iter->reset(it);
+        return Status::OK();
+    }
+
+    // Init iterators with extra path info.
+    // TODO If this segment does not contain any data correspond to the relatate path,
+    // then we could optimize to generate a default iterator
+    // This file doest not contain this column, so only read from sparse column
+    // to avoid read amplification
+    if (node != nullptr && node->is_scalar() && node->children.empty()) {
+        // Direct read extracted columns
+        const auto* node = _sub_column_tree.find_leaf(tablet_column.path_info());
+        ColumnIterator* it;
+        RETURN_IF_ERROR(node->data.reader->new_iterator(&it));
+        iter->reset(it);
+    } else if (node != nullptr && !node->children.empty()) {
+        // Create reader with hirachical data
+        RETURN_IF_ERROR(HierarchicalDataReader::create(iter, node, root));
+    } else {
+        // If file only exist column `v.a` and `v` but target path is `v.b`, read only read and parse root column
+        if (root == nullptr) {
+            // No such variant column in this segment, get a default one
+            RETURN_IF_ERROR(new_default_iterator(tablet_column, iter));
+            return Status::OK();
+        }
+        ColumnIterator* it;
+        RETURN_IF_ERROR(root->data.reader->new_iterator(&it));
+        auto stream_iter = new ExtractReader(
+                tablet_column,
+                std::make_unique<StreamReader>(root->data.file_column_type->create_column(),
+                                               std::unique_ptr<ColumnIterator>(it),
+                                               root->data.file_column_type));
+        iter->reset(stream_iter);
+    }
     return Status::OK();
 }
 
@@ -352,36 +501,53 @@ Status Segment::_create_column_readers(const SegmentFooterPB& footer) {
 // but in the old schema column b's cid == 2
 // but they are not the same column
 Status Segment::new_column_iterator(const TabletColumn& tablet_column,
-                                    std::unique_ptr<ColumnIterator>* iter) {
+                                    std::unique_ptr<ColumnIterator>* iter,
+                                    StorageReadOptions* opt) {
+    // init column iterator by path info
+    if (!tablet_column.path_info().empty() || tablet_column.is_variant_type()) {
+        return new_column_iterator_with_path(tablet_column, iter, opt);
+    }
+    // init default iterator
     if (_column_readers.count(tablet_column.unique_id()) < 1) {
-        if (!tablet_column.has_default_value() && !tablet_column.is_nullable()) {
-            return Status::InternalError("invalid nonexistent column without default value.");
-        }
-        auto type_info = get_type_info(&tablet_column);
-        std::unique_ptr<DefaultValueColumnIterator> default_value_iter(
-                new DefaultValueColumnIterator(tablet_column.has_default_value(),
-                                               tablet_column.default_value(),
-                                               tablet_column.is_nullable(), std::move(type_info),
-                                               tablet_column.precision(), tablet_column.frac()));
-        ColumnIteratorOptions iter_opts;
-
-        RETURN_IF_ERROR(default_value_iter->init(iter_opts));
-        *iter = std::move(default_value_iter);
+        RETURN_IF_ERROR(new_default_iterator(tablet_column, iter));
         return Status::OK();
     }
+    // init iterator by unique id
     ColumnIterator* it;
     RETURN_IF_ERROR(_column_readers.at(tablet_column.unique_id())->new_iterator(&it));
     iter->reset(it);
     return Status::OK();
 }
 
+Status Segment::new_column_iterator(int32_t unique_id, std::unique_ptr<ColumnIterator>* iter) {
+    ColumnIterator* it;
+    RETURN_IF_ERROR(_column_readers.at(unique_id)->new_iterator(&it));
+    iter->reset(it);
+    return Status::OK();
+}
+
+ColumnReader* Segment::_get_column_reader(const TabletColumn& col) {
+    // init column iterator by path info
+    if (!col.path_info().empty() || col.is_variant_type()) {
+        auto node = _sub_column_tree.find_exact(col.path_info());
+        if (node != nullptr) {
+            return node->data.reader.get();
+        }
+        return nullptr;
+    }
+    auto col_unique_id = col.unique_id();
+    if (_column_readers.count(col_unique_id) > 0) {
+        return _column_readers[col_unique_id].get();
+    }
+    return nullptr;
+}
+
 Status Segment::new_bitmap_index_iterator(const TabletColumn& tablet_column,
                                           std::unique_ptr<BitmapIndexIterator>* iter) {
-    auto col_unique_id = tablet_column.unique_id();
-    if (_column_readers.count(col_unique_id) > 0 &&
-        _column_readers.at(col_unique_id)->has_bitmap_index()) {
+    ColumnReader* reader = _get_column_reader(tablet_column);
+    if (reader != nullptr && reader->has_bitmap_index()) {
         BitmapIndexIterator* it;
-        RETURN_IF_ERROR(_column_readers.at(col_unique_id)->new_bitmap_index_iterator(&it));
+        RETURN_IF_ERROR(reader->new_bitmap_index_iterator(&it));
         iter->reset(it);
         return Status::OK();
     }
@@ -392,10 +558,9 @@ Status Segment::new_inverted_index_iterator(const TabletColumn& tablet_column,
                                             const TabletIndex* index_meta,
                                             const StorageReadOptions& read_options,
                                             std::unique_ptr<InvertedIndexIterator>* iter) {
-    auto col_unique_id = tablet_column.unique_id();
-    if (_column_readers.count(col_unique_id) > 0 && index_meta) {
-        RETURN_IF_ERROR(_column_readers.at(col_unique_id)
-                                ->new_inverted_index_iterator(index_meta, read_options, iter));
+    ColumnReader* reader = _get_column_reader(tablet_column);
+    if (reader != nullptr && index_meta) {
+        RETURN_IF_ERROR(reader->new_inverted_index_iterator(index_meta, read_options, iter));
         return Status::OK();
     }
     return Status::OK();
@@ -515,5 +680,21 @@ Status Segment::read_key_by_rowid(uint32_t row_id, std::string* key) {
     return Status::OK();
 }
 
+bool Segment::same_with_storage_type(int32_t cid, const Schema& schema,
+                                     bool ignore_children) const {
+    auto file_column_type = get_data_type_of(*schema.column(cid), ignore_children);
+    auto expected_type = Schema::get_data_type_ptr(*schema.column(cid));
+#ifndef NDEBUG
+    if (file_column_type && !file_column_type->equals(*expected_type)) {
+        VLOG_DEBUG << fmt::format("Get column {}, file column type {}, exepected type {}",
+                                  schema.column(cid)->name(), file_column_type->get_name(),
+                                  expected_type->get_name());
+    }
+#endif
+    bool same =
+            (!file_column_type) || (file_column_type && file_column_type->equals(*expected_type));
+    return same;
+}
+
 } // namespace segment_v2
 } // namespace doris
diff --git a/be/src/olap/rowset/segment_v2/segment.h b/be/src/olap/rowset/segment_v2/segment.h
index d24381a8fb..5dd003a1df 100644
--- a/be/src/olap/rowset/segment_v2/segment.h
+++ b/be/src/olap/rowset/segment_v2/segment.h
@@ -32,15 +32,23 @@
 #include "common/status.h" // Status
 #include "io/fs/file_reader_writer_fwd.h"
 #include "io/fs/file_system.h"
+#include "olap/field.h"
 #include "olap/olap_common.h"
 #include "olap/rowset/segment_v2/column_reader.h" // ColumnReader
+#include "olap/rowset/segment_v2/hierarchical_data_reader.h"
 #include "olap/rowset/segment_v2/page_handle.h"
 #include "olap/schema.h"
 #include "olap/tablet_schema.h"
 #include "util/once.h"
 #include "util/slice.h"
+#include "vec/columns/subcolumn_tree.h"
+#include "vec/data_types/data_type.h"
+#include "vec/data_types/data_type_nullable.h"
 
 namespace doris {
+namespace vectorized {
+class IDataType;
+}
 
 class ShortKeyIndexDecoder;
 class Schema;
@@ -71,7 +79,6 @@ public:
                        RowsetId rowset_id, TabletSchemaSPtr tablet_schema,
                        const io::FileReaderOptions& reader_options,
                        std::shared_ptr<Segment>* output);
-
     ~Segment();
 
     Status new_iterator(SchemaSPtr schema, const StorageReadOptions& read_options,
@@ -84,7 +91,14 @@ public:
     uint32_t num_rows() const { return _num_rows; }
 
     Status new_column_iterator(const TabletColumn& tablet_column,
-                               std::unique_ptr<ColumnIterator>* iter);
+                               std::unique_ptr<ColumnIterator>* iter,
+                               StorageReadOptions* opt = nullptr);
+
+    Status new_column_iterator_with_path(const TabletColumn& tablet_column,
+                                         std::unique_ptr<ColumnIterator>* iter,
+                                         StorageReadOptions* opt = nullptr);
+
+    Status new_column_iterator(int32_t unique_id, std::unique_ptr<ColumnIterator>* iter);
 
     Status new_bitmap_index_iterator(const TabletColumn& tablet_column,
                                      std::unique_ptr<BitmapIndexIterator>* iter);
@@ -128,6 +142,40 @@ public:
 
     void remove_from_segment_cache() const;
 
+    // Get the inner file column's data type
+    // ignore_chidren set to false will treat field as variant
+    // when it contains children with field paths.
+    // nullptr will returned if storage type does not contains such column
+    std::shared_ptr<const vectorized::IDataType> get_data_type_of(const Field& filed,
+                                                                  bool ignore_children) const;
+
+    // Check is schema read type equals storage column type
+    bool same_with_storage_type(int32_t cid, const Schema& schema, bool ignore_children) const;
+
+    // If column in segment is the same type in schema, then it is safe to apply predicate
+    template <typename Predicate>
+    bool can_apply_predicate_safely(int cid, Predicate* pred, const Schema& schema,
+                                    ReaderType read_type) const {
+        const Field* col = schema.column(cid);
+        vectorized::DataTypePtr storage_column_type =
+                get_data_type_of(*col, read_type != ReaderType::READER_QUERY);
+        if (storage_column_type == nullptr) {
+            // Default column iterator
+            return true;
+        }
+        if (vectorized::WhichDataType(vectorized::remove_nullable(storage_column_type))
+                    .is_variant_type()) {
+            // Predicate should nerver apply on variant type
+            return false;
+        }
+        bool safe =
+                pred->can_do_apply_safely(storage_column_type->get_type_as_type_descriptor().type,
+                                          storage_column_type->is_nullable());
+        // Currently only variant column can lead to unsafe
+        CHECK(safe || col->type() == FieldType::OLAP_FIELD_TYPE_VARIANT);
+        return safe;
+    }
+
 private:
     DISALLOW_COPY_AND_ASSIGN(Segment);
     Segment(uint32_t segment_id, RowsetId rowset_id, TabletSchemaSPtr tablet_schema);
@@ -136,6 +184,7 @@ private:
     Status _parse_footer(SegmentFooterPB* footer);
     Status _create_column_readers(const SegmentFooterPB& footer);
     Status _load_pk_bloom_filter();
+    ColumnReader* _get_column_reader(const TabletColumn& col);
 
     Status _load_index_impl();
 
@@ -158,6 +207,14 @@ private:
     // after this segment is generated.
     std::map<int32_t, std::unique_ptr<ColumnReader>> _column_readers;
 
+    // Init from ColumnMetaPB in SegmentFooterPB
+    // map column unique id ---> it's inner data type
+    std::map<int32_t, std::shared_ptr<const vectorized::IDataType>> _file_column_types;
+
+    // Each node in the tree represents the sub column reader and type
+    // for variants.
+    SubcolumnColumnReaders _sub_column_tree;
+
     // used to guarantee that short key index will be loaded at most once in a thread-safe way
     DorisCallOnce<Status> _load_index_once;
     // used to guarantee that primary key bloom filter will be loaded at most once in a thread-safe way
diff --git a/be/src/olap/rowset/segment_v2/segment_iterator.cpp b/be/src/olap/rowset/segment_v2/segment_iterator.cpp
index d0ffcfdd6d..4275370618 100644
--- a/be/src/olap/rowset/segment_v2/segment_iterator.cpp
+++ b/be/src/olap/rowset/segment_v2/segment_iterator.cpp
@@ -34,6 +34,7 @@
 #include "common/compiler_util.h" // IWYU pragma: keep
 #include "common/config.h"
 #include "common/consts.h"
+#include "common/exception.h"
 #include "common/logging.h"
 #include "common/object_pool.h"
 #include "common/status.h"
@@ -57,6 +58,7 @@
 #include "olap/tablet_schema.h"
 #include "olap/types.h"
 #include "olap/utils.h"
+#include "runtime/define_primitive_type.h"
 #include "runtime/query_context.h"
 #include "runtime/runtime_predicate.h"
 #include "runtime/runtime_state.h"
@@ -68,21 +70,25 @@
 #include "vec/columns/column.h"
 #include "vec/columns/column_const.h"
 #include "vec/columns/column_nullable.h"
+#include "vec/columns/column_object.h"
 #include "vec/columns/column_string.h"
 #include "vec/columns/column_vector.h"
 #include "vec/columns/columns_number.h"
 #include "vec/common/assert_cast.h"
+#include "vec/common/schema_util.h"
 #include "vec/common/string_ref.h"
 #include "vec/common/typeid_cast.h"
 #include "vec/core/column_with_type_and_name.h"
 #include "vec/core/field.h"
 #include "vec/core/types.h"
+#include "vec/data_types/data_type.h"
 #include "vec/data_types/data_type_factory.hpp"
 #include "vec/data_types/data_type_number.h"
 #include "vec/exprs/vexpr.h"
 #include "vec/exprs/vexpr_context.h"
 #include "vec/exprs/vliteral.h"
 #include "vec/exprs/vslot_ref.h"
+#include "vec/json/path_in_data.h"
 
 namespace doris {
 using namespace ErrorCode;
@@ -278,7 +284,12 @@ Status SegmentIterator::_init_impl(const StorageReadOptions& opts) {
     _file_reader = _segment->_file_reader;
     _opts = opts;
     _col_predicates.clear();
+
     for (auto& predicate : opts.column_predicates) {
+        if (!_segment->can_apply_predicate_safely(predicate->column_id(), predicate, *_schema,
+                                                  _opts.io_ctx.reader_type)) {
+            continue;
+        }
         if (predicate->need_to_clone()) {
             ColumnPredicate* cloned;
             predicate->clone(&cloned);
@@ -291,8 +302,15 @@ Status SegmentIterator::_init_impl(const StorageReadOptions& opts) {
     _tablet_id = opts.tablet_id;
     // Read options will not change, so that just resize here
     _block_rowids.resize(_opts.block_row_max);
-    if (!opts.column_predicates_except_leafnode_of_andnode.empty()) {
-        _col_preds_except_leafnode_of_andnode = opts.column_predicates_except_leafnode_of_andnode;
+
+    // compound predicates
+    _col_preds_except_leafnode_of_andnode.clear();
+    for (auto& predicate : opts.column_predicates_except_leafnode_of_andnode) {
+        if (!_segment->can_apply_predicate_safely(predicate->column_id(), predicate, *_schema,
+                                                  _opts.io_ctx.reader_type)) {
+            continue;
+        }
+        _col_preds_except_leafnode_of_andnode.push_back(predicate);
     }
 
     _remaining_conjunct_roots = opts.remaining_conjunct_roots;
@@ -311,12 +329,26 @@ Status SegmentIterator::_init_impl(const StorageReadOptions& opts) {
 
     RETURN_IF_ERROR(init_iterators());
     if (_char_type_idx.empty() && _char_type_idx_no_0.empty()) {
+        _is_char_type.resize(_schema->columns().size(), false);
         _vec_init_char_column_id();
     }
 
     if (opts.output_columns != nullptr) {
         _output_columns = *(opts.output_columns);
     }
+
+    _storage_name_and_type.resize(_schema->columns().size());
+    for (int i = 0; i < _schema->columns().size(); ++i) {
+        const Field* col = _schema->column(i);
+        if (col) {
+            auto storage_type = _segment->get_data_type_of(
+                    *col, _opts.io_ctx.reader_type != ReaderType::READER_QUERY);
+            if (storage_type == nullptr) {
+                storage_type = vectorized::DataTypeFactory::instance().create_data_type(*col);
+            }
+            _storage_name_and_type[i] = std::make_pair(col->name(), storage_type);
+        }
+    }
     return Status::OK();
 }
 
@@ -501,9 +533,13 @@ Status SegmentIterator::_get_row_ranges_from_conditions(RowRanges* condition_row
     // bloom filter index only use CondColumn
     RowRanges bf_row_ranges = RowRanges::create_single(num_rows());
     for (auto& cid : cids) {
+        DCHECK(_opts.col_id_to_predicates.count(cid) > 0);
+        if (!_segment->can_apply_predicate_safely(cid, _opts.col_id_to_predicates.at(cid).get(),
+                                                  *_schema, _opts.io_ctx.reader_type)) {
+            continue;
+        }
         // get row ranges by bf index of this column,
         RowRanges column_bf_row_ranges = RowRanges::create_single(num_rows());
-        DCHECK(_opts.col_id_to_predicates.count(cid) > 0);
         RETURN_IF_ERROR(_column_iterators[cid]->get_row_ranges_by_bloom_filter(
                 _opts.col_id_to_predicates.at(cid).get(), &column_bf_row_ranges));
         RowRanges::ranges_intersection(bf_row_ranges, column_bf_row_ranges, &bf_row_ranges);
@@ -516,9 +552,13 @@ Status SegmentIterator::_get_row_ranges_from_conditions(RowRanges* condition_row
     RowRanges zone_map_row_ranges = RowRanges::create_single(num_rows());
     // second filter data by zone map
     for (auto& cid : cids) {
+        DCHECK(_opts.col_id_to_predicates.count(cid) > 0);
+        if (!_segment->can_apply_predicate_safely(cid, _opts.col_id_to_predicates.at(cid).get(),
+                                                  *_schema, _opts.io_ctx.reader_type)) {
+            continue;
+        }
         // get row ranges by zone map of this column,
         RowRanges column_row_ranges = RowRanges::create_single(num_rows());
-        DCHECK(_opts.col_id_to_predicates.count(cid) > 0);
         RETURN_IF_ERROR(_column_iterators[cid]->get_row_ranges_by_zone_map(
                 _opts.col_id_to_predicates.at(cid).get(),
                 _opts.del_predicates_for_zone_map.count(cid) > 0
@@ -534,7 +574,9 @@ Status SegmentIterator::_get_row_ranges_from_conditions(RowRanges* condition_row
     if (_opts.use_topn_opt) {
         auto query_ctx = _opts.runtime_state->get_query_ctx();
         runtime_predicate = query_ctx->get_runtime_predicate().get_predictate();
-        if (runtime_predicate) {
+        if (runtime_predicate && _segment->can_apply_predicate_safely(
+                                         runtime_predicate->column_id(), runtime_predicate.get(),
+                                         *_schema, _opts.io_ctx.reader_type)) {
             AndBlockColumnPredicate and_predicate;
             auto single_predicate = new SingleColumnBlockPredicate(runtime_predicate.get());
             and_predicate.add_column_predicate(single_predicate);
@@ -790,8 +832,9 @@ Status SegmentIterator::_apply_bitmap_index_except_leafnode_of_andnode(
 
 Status SegmentIterator::_apply_inverted_index_except_leafnode_of_andnode(
         ColumnPredicate* pred, roaring::Roaring* output_result) {
-    RETURN_IF_ERROR(pred->evaluate(*_schema, _inverted_index_iterators[pred->column_id()].get(),
-                                   num_rows(), output_result));
+    RETURN_IF_ERROR(pred->evaluate(_storage_name_and_type[pred->column_id()],
+                                   _inverted_index_iterators[pred->column_id()].get(), num_rows(),
+                                   output_result));
     return Status::OK();
 }
 
@@ -924,8 +967,9 @@ Status SegmentIterator::_apply_inverted_index_on_column_predicate(
         bool need_remaining_after_evaluate = _column_has_fulltext_index(pred->column_id()) &&
                                              PredicateTypeTraits::is_equal_or_list(pred->type());
         roaring::Roaring bitmap = _row_bitmap;
-        Status res = pred->evaluate(*_schema, _inverted_index_iterators[pred->column_id()].get(),
-                                    num_rows(), &bitmap);
+        Status res = pred->evaluate(_storage_name_and_type[pred->column_id()],
+                                    _inverted_index_iterators[pred->column_id()].get(), num_rows(),
+                                    &bitmap);
         if (!res.ok()) {
             if (_downgrade_without_index(res, need_remaining_after_evaluate)) {
                 remaining_predicates.emplace_back(pred);
@@ -1168,7 +1212,7 @@ Status SegmentIterator::_init_return_column_iterators() {
 
         if (_column_iterators[cid] == nullptr) {
             RETURN_IF_ERROR(_segment->new_column_iterator(_opts.tablet_schema->column(cid),
-                                                          &_column_iterators[cid]));
+                                                          &_column_iterators[cid], &_opts));
             ColumnIteratorOptions iter_opts {
                     .use_page_cache = _opts.use_page_cache,
                     // If the col is predicate column, then should read the last page to check
@@ -1202,12 +1246,11 @@ Status SegmentIterator::_init_inverted_index_iterators() {
         return Status::OK();
     }
     for (auto cid : _schema->column_ids()) {
-        int32_t unique_id = _opts.tablet_schema->column(cid).unique_id();
         if (_inverted_index_iterators[cid] == nullptr) {
             RETURN_IF_ERROR(_segment->new_inverted_index_iterator(
                     _opts.tablet_schema->column(cid),
-                    _opts.tablet_schema->get_inverted_index(unique_id), _opts,
-                    &_inverted_index_iterators[cid]));
+                    _opts.tablet_schema->get_inverted_index(_opts.tablet_schema->column(cid)),
+                    _opts, &_inverted_index_iterators[cid]));
         }
     }
     return Status::OK();
@@ -1599,6 +1642,11 @@ Status SegmentIterator::_vec_init_lazy_materialization() {
 bool SegmentIterator::_can_evaluated_by_vectorized(ColumnPredicate* predicate) {
     auto cid = predicate->column_id();
     FieldType field_type = _schema->column(cid)->type();
+    if (field_type == FieldType::OLAP_FIELD_TYPE_VARIANT) {
+        // Use variant cast dst type
+        field_type = TabletColumn::get_field_type_by_type(
+                _opts.target_cast_type_for_variants[_schema->column(cid)->name()]);
+    }
     switch (predicate->type()) {
     case PredicateType::EQ:
     case PredicateType::NE:
@@ -1654,6 +1702,9 @@ void SegmentIterator::_vec_init_char_column_id() {
                 _char_type_idx_no_0.emplace_back(i);
             }
         }
+        if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_CHAR) {
+            _is_char_type[cid] = true;
+        }
     }
 }
 
@@ -1700,19 +1751,35 @@ void SegmentIterator::_init_current_block(
     for (size_t i = 0; i < _schema->num_column_ids(); i++) {
         auto cid = _schema->column_id(i);
         auto column_desc = _schema->column(cid);
-        // the column in block must clear() here to insert new data
-        if (_is_pred_column[cid] ||
-            i >= block->columns()) { //todo(wb) maybe we can release it after output block
-            current_columns[cid]->clear();
-        } else { // non-predicate column
-            current_columns[cid] = std::move(*block->get_by_position(i).column).mutate();
-
-            if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_DATE) {
-                current_columns[cid]->set_date_type();
-            } else if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_DATETIME) {
-                current_columns[cid]->set_datetime_type();
-            }
+        if (!_is_pred_column[cid] &&
+            !_segment->same_with_storage_type(
+                    cid, *_schema, _opts.io_ctx.reader_type != ReaderType::READER_QUERY)) {
+            // The storage layer type is different from schema needed type, so we use storage
+            // type to read columns instead of schema type for safety
+            auto file_column_type = _storage_name_and_type[cid].second;
+            VLOG_DEBUG << fmt::format(
+                    "Recreate column with expected type {}, file column type {}, col_name {}, "
+                    "col_path {}",
+                    block->get_by_position(i).type->get_name(), file_column_type->get_name(),
+                    column_desc->name(), column_desc->path().get_path());
+            // TODO reuse
+            current_columns[cid] = file_column_type->create_column();
             current_columns[cid]->reserve(_opts.block_row_max);
+        } else {
+            // the column in block must clear() here to insert new data
+            if (_is_pred_column[cid] ||
+                i >= block->columns()) { //todo(wb) maybe we can release it after output block
+                current_columns[cid]->clear();
+            } else { // non-predicate column
+                current_columns[cid] = std::move(*block->get_by_position(i).column).mutate();
+
+                if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_DATE) {
+                    current_columns[cid]->set_date_type();
+                } else if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_DATETIME) {
+                    current_columns[cid]->set_datetime_type();
+                }
+                current_columns[cid]->reserve(_opts.block_row_max);
+            }
         }
     }
 }
@@ -1959,6 +2026,49 @@ Status SegmentIterator::next_batch(vectorized::Block* block) {
     return status;
 }
 
+Status SegmentIterator::_convert_to_expected_type(const std::vector<ColumnId>& col_ids) {
+    for (ColumnId i : col_ids) {
+        if (_current_return_columns[i] == nullptr || _converted_column_ids[i] ||
+            _is_pred_column[i]) {
+            continue;
+        }
+        if (!_segment->same_with_storage_type(
+                    i, *_schema, _opts.io_ctx.reader_type != ReaderType::READER_QUERY)) {
+            const Field* field_type = _schema->column(i);
+            vectorized::DataTypePtr expected_type = Schema::get_data_type_ptr(*field_type);
+            vectorized::DataTypePtr file_column_type = _storage_name_and_type[i].second;
+            vectorized::ColumnPtr expected;
+            vectorized::ColumnPtr original =
+                    _current_return_columns[i]->assume_mutable()->get_ptr();
+            RETURN_IF_ERROR(vectorized::schema_util::cast_column({original, file_column_type, ""},
+                                                                 expected_type, &expected));
+            _current_return_columns[i] = expected->assume_mutable();
+            _converted_column_ids[i] = 1;
+            VLOG_DEBUG << fmt::format("Convert {} fom file column type {} to {}, num_rows {}",
+                                      field_type->path().get_path(), file_column_type->get_name(),
+                                      expected_type->get_name(),
+                                      _current_return_columns[i]->size());
+        }
+    }
+    return Status::OK();
+}
+
+Status SegmentIterator::copy_column_data_by_selector(vectorized::IColumn* input_col_ptr,
+                                                     vectorized::MutableColumnPtr& output_col,
+                                                     uint16_t* sel_rowid_idx, uint16_t select_size,
+                                                     size_t batch_size) {
+    output_col->reserve(batch_size);
+
+    // adapt for outer join change column to nullable
+    if (output_col->is_nullable() && !input_col_ptr->is_nullable()) {
+        auto col_ptr_nullable = reinterpret_cast<vectorized::ColumnNullable*>(output_col.get());
+        col_ptr_nullable->get_null_map_column().insert_many_defaults(select_size);
+        output_col = col_ptr_nullable->get_nested_column_ptr();
+    }
+
+    return input_col_ptr->filter_by_selector(sel_rowid_idx, select_size, output_col);
+}
+
 Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
     bool is_mem_reuse = block->mem_reuse();
     DCHECK(is_mem_reuse);
@@ -1971,13 +2081,20 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
             _block_rowids.resize(_opts.block_row_max);
         }
         _current_return_columns.resize(_schema->columns().size());
+        _converted_column_ids.resize(_schema->columns().size(), 0);
         for (size_t i = 0; i < _schema->num_column_ids(); i++) {
             auto cid = _schema->column_id(i);
             auto column_desc = _schema->column(cid);
             if (_is_pred_column[cid]) {
-                RETURN_IF_CATCH_EXCEPTION(_current_return_columns[cid] =
-                                                  Schema::get_predicate_column_ptr(
-                                                          *column_desc, _opts.io_ctx.reader_type));
+                auto storage_column_type = _storage_name_and_type[cid].second;
+                // Char type is special , since char type's computational datatype is same with string,
+                // both are DataTypeString, but DataTypeString only return FieldType::OLAP_FIELD_TYPE_STRING
+                // in get_storage_field_type.
+                RETURN_IF_CATCH_EXCEPTION(
+                        _current_return_columns[cid] = Schema::get_predicate_column_ptr(
+                                _is_char_type[cid] ? FieldType::OLAP_FIELD_TYPE_CHAR
+                                                   : storage_column_type->get_storage_field_type(),
+                                storage_column_type->is_nullable(), _opts.io_ctx.reader_type));
                 _current_return_columns[cid]->set_rowset_segment_id(
                         {_segment->rowset_id(), _segment->id()});
                 _current_return_columns[cid]->reserve(_opts.block_row_max);
@@ -1995,8 +2112,8 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
             }
         }
     }
-
     _init_current_block(block, _current_return_columns);
+    _converted_column_ids.assign(_schema->columns().size(), 0);
 
     _current_batch_rows_read = 0;
     uint32_t nrows_read_limit = _opts.block_row_max;
@@ -2019,6 +2136,8 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
     _opts.stats->raw_rows_read += _current_batch_rows_read;
 
     if (_current_batch_rows_read == 0) {
+        // Convert all columns in _current_return_columns to schema column
+        RETURN_IF_ERROR(_convert_to_expected_type(_schema->column_ids()));
         for (int i = 0; i < block->columns(); i++) {
             auto cid = _schema->column_id(i);
             // todo(wb) abstract make column where
@@ -2031,6 +2150,8 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
     }
 
     if (!_is_need_vec_eval && !_is_need_short_eval && !_is_need_expr_eval) {
+        RETURN_IF_ERROR(_convert_to_expected_type(_first_read_column_ids));
+        RETURN_IF_ERROR(_convert_to_expected_type(_non_predicate_columns));
         _output_non_pred_columns(block);
         _output_index_result_column(nullptr, 0, block);
     } else {
@@ -2070,6 +2191,7 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
                             _second_read_column_ids.end()) {
                             _replace_version_col(selected_size);
                         }
+                        RETURN_IF_ERROR(_convert_to_expected_type(_second_read_column_ids));
                         for (auto cid : _second_read_column_ids) {
                             auto loc = _schema_block_id_map[cid];
                             block->replace_by_position(loc,
@@ -2099,6 +2221,7 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
                     }
                 }
             } else if (_is_need_expr_eval) {
+                RETURN_IF_ERROR(_convert_to_expected_type(_second_read_column_ids));
                 for (auto cid : _second_read_column_ids) {
                     auto loc = _schema_block_id_map[cid];
                     block->replace_by_position(loc, std::move(_current_return_columns[cid]));
@@ -2106,6 +2229,7 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
             }
         } else if (_is_need_expr_eval) {
             DCHECK(!_first_read_column_ids.empty());
+            RETURN_IF_ERROR(_convert_to_expected_type(_first_read_column_ids));
             // first read all rows are insert block, initialize sel_rowid_idx to all rows.
             for (auto cid : _first_read_column_ids) {
                 auto loc = _schema_block_id_map[cid];
@@ -2151,7 +2275,6 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
             }
             return Status::OK();
         }
-
         // step4: read non_predicate column
         if (selected_size > 0) {
             RETURN_IF_ERROR(_read_columns_by_rowids(_non_predicate_columns, _block_rowids,
@@ -2163,6 +2286,7 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
             }
         }
 
+        RETURN_IF_ERROR(_convert_to_expected_type(_non_predicate_columns));
         // step5: output columns
         _output_non_pred_columns(block);
 
@@ -2174,6 +2298,16 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
     // shrink char_type suffix zero data
     block->shrink_char_type_column_suffix_zero(_char_type_idx);
 
+#ifndef NDEBUG
+    size_t rows = block->rows();
+    for (const auto& entry : *block) {
+        if (entry.column->size() != rows) {
+            throw doris::Exception(ErrorCode::INTERNAL_ERROR, "unmatched size {}, expected {}",
+                                   entry.column->size(), rows);
+        }
+    }
+#endif
+
     if (UNLIKELY(_estimate_row_size) && block->rows() > 0) {
         _update_max_row(block);
     }
@@ -2181,6 +2315,9 @@ Status SegmentIterator::_next_batch_internal(vectorized::Block* block) {
     // reverse block row order
     if (_opts.read_orderby_key_reverse) {
         size_t num_rows = block->rows();
+        if (num_rows == 0) {
+            return Status::OK();
+        }
         size_t num_columns = block->columns();
         vectorized::IColumn::Permutation permutation;
         for (size_t i = 0; i < num_rows; ++i) permutation.emplace_back(num_rows - 1 - i);
@@ -2331,9 +2468,10 @@ void SegmentIterator::_convert_dict_code_for_predicate_if_necessary_impl(
 void SegmentIterator::_update_max_row(const vectorized::Block* block) {
     _estimate_row_size = false;
     auto avg_row_size = block->bytes() / block->rows();
-
-    int block_row_max = config::doris_scan_block_max_mb / avg_row_size;
-    _opts.block_row_max = std::min(block_row_max, _opts.block_row_max);
+    if (avg_row_size > 0) {
+        int block_row_max = config::doris_scan_block_max_mb / avg_row_size;
+        _opts.block_row_max = std::min(block_row_max, _opts.block_row_max);
+    }
 }
 
 Status SegmentIterator::current_block_row_locations(std::vector<RowLocation>* block_row_locations) {
diff --git a/be/src/olap/rowset/segment_v2/segment_iterator.h b/be/src/olap/rowset/segment_v2/segment_iterator.h
index 219ca61ee1..29f6ab6b5c 100644
--- a/be/src/olap/rowset/segment_v2/segment_iterator.h
+++ b/be/src/olap/rowset/segment_v2/segment_iterator.h
@@ -46,7 +46,10 @@
 #include "util/runtime_profile.h"
 #include "util/slice.h"
 #include "vec/columns/column.h"
+#include "vec/common/schema_util.h"
 #include "vec/core/block.h"
+#include "vec/core/column_with_type_and_name.h"
+#include "vec/core/columns_with_type_and_name.h"
 #include "vec/data_types/data_type.h"
 
 namespace doris {
@@ -225,6 +228,11 @@ private:
                                                  uint16_t* sel_rowid_idx, size_t select_size,
                                                  vectorized::MutableColumns* mutable_columns);
 
+    Status copy_column_data_by_selector(vectorized::IColumn* input_col_ptr,
+                                        vectorized::MutableColumnPtr& output_col,
+                                        uint16_t* sel_rowid_idx, uint16_t select_size,
+                                        size_t batch_size);
+
     template <class Container>
     [[nodiscard]] Status _output_column_by_sel_idx(vectorized::Block* block,
                                                    const Container& column_ids,
@@ -232,9 +240,34 @@ private:
         SCOPED_RAW_TIMER(&_opts.stats->output_col_ns);
         for (auto cid : column_ids) {
             int block_cid = _schema_block_id_map[cid];
-            RETURN_IF_ERROR(block->copy_column_data_to_block(_current_return_columns[cid].get(),
-                                                             sel_rowid_idx, select_size, block_cid,
+            // Only the additional deleted filter condition need to materialize column be at the end of the block
+            // We should not to materialize the column of query engine do not need. So here just return OK.
+            // Eg:
+            //      `delete from table where a = 10;`
+            //      `select b from table;`
+            // a column only effective in segment iterator, the block from query engine only contain the b column.
+            // so the `block_cid >= data.size()` is true
+            if (block_cid >= block->columns()) {
+                continue;
+            }
+            vectorized::DataTypePtr storage_type =
+                    _segment->get_data_type_of(*_schema->column(cid), false);
+            if (storage_type && !storage_type->equals(*block->get_by_position(block_cid).type)) {
+                // Do additional cast
+                vectorized::MutableColumnPtr tmp = storage_type->create_column();
+                RETURN_IF_ERROR(copy_column_data_by_selector(_current_return_columns[cid].get(),
+                                                             tmp, sel_rowid_idx, select_size,
                                                              _opts.block_row_max));
+                RETURN_IF_ERROR(vectorized::schema_util::cast_column(
+                        {tmp->get_ptr(), storage_type, ""}, block->get_by_position(block_cid).type,
+                        &block->get_by_position(block_cid).column));
+            } else {
+                vectorized::MutableColumnPtr output_column =
+                        block->get_by_position(block_cid).column->assume_mutable();
+                RETURN_IF_ERROR(copy_column_data_by_selector(_current_return_columns[cid].get(),
+                                                             output_column, sel_rowid_idx,
+                                                             select_size, _opts.block_row_max));
+            }
         }
         return Status::OK();
     }
@@ -328,11 +361,16 @@ private:
         return 0;
     }
 
+    Status _convert_to_expected_type(const std::vector<ColumnId>& col_ids);
+
     class BitmapRangeIterator;
     class BackwardBitmapRangeIterator;
 
     std::shared_ptr<Segment> _segment;
+    // read schema from scanner
     SchemaSPtr _schema;
+    // storage type schema related to _schema, since column in segment may be different with type in _schema
+    std::vector<vectorized::NameAndTypePair> _storage_name_and_type;
     // vector idx -> column iterarator
     std::vector<std::unique_ptr<ColumnIterator>> _column_iterators;
     std::vector<std::unique_ptr<BitmapIndexIterator>> _bitmap_index_iterators;
@@ -379,6 +417,7 @@ private:
     std::vector<ColumnId> _first_read_column_ids;
     std::vector<ColumnId> _second_read_column_ids;
     std::vector<ColumnId> _columns_to_filter;
+    std::vector<ColumnId> _converted_column_ids;
     std::vector<int> _schema_block_id_map; // map from schema column id to column idx in Block
 
     // the actual init process is delayed to the first call to next_batch()
@@ -418,6 +457,7 @@ private:
     // char_type or array<char> type columns cid
     std::vector<size_t> _char_type_idx;
     std::vector<size_t> _char_type_idx_no_0;
+    std::vector<bool> _is_char_type;
 
     // number of rows read in the current batch
     uint32_t _current_batch_rows_read = 0;
@@ -432,6 +472,8 @@ private:
     bool _record_rowids = false;
     int32_t _tablet_id = 0;
     std::set<int32_t> _output_columns;
+
+    std::unique_ptr<HierarchicalDataReader> _path_reader;
 };
 
 } // namespace segment_v2
diff --git a/be/src/olap/rowset/segment_v2/segment_writer.cpp b/be/src/olap/rowset/segment_v2/segment_writer.cpp
index 90663090f0..ac70ef8c1f 100644
--- a/be/src/olap/rowset/segment_v2/segment_writer.cpp
+++ b/be/src/olap/rowset/segment_v2/segment_writer.cpp
@@ -139,7 +139,9 @@ void SegmentWriter::init_column_meta(ColumnMetaPB* meta, uint32_t column_id,
     meta->set_default_value(column.default_value());
     meta->set_precision(column.precision());
     meta->set_frac(column.frac());
-    column.path_info().to_protobuf(meta->mutable_column_path_info(), column.parent_unique_id());
+    if (!column.path_info().empty()) {
+        column.path_info().to_protobuf(meta->mutable_column_path_info(), column.parent_unique_id());
+    }
     meta->set_unique_id(column.unique_id());
     for (uint32_t i = 0; i < column.get_subtype_count(); ++i) {
         init_column_meta(meta->add_children_columns(), column_id, column.get_sub_column(i),
@@ -199,7 +201,12 @@ Status SegmentWriter::init(const std::vector<uint32_t>& col_ids, bool has_key) {
             skip_inverted_index = true;
         }
         // indexes for this column
-        opts.indexes = _tablet_schema->get_indexes_for_column(column.unique_id());
+        opts.indexes = _tablet_schema->get_indexes_for_column(column);
+        if (column.is_variant_type() || (column.is_extracted_column() && column.is_jsonb_type()) ||
+            (column.is_extracted_column() && column.is_array_type())) {
+            // variant and jsonb type skip write index
+            opts.indexes.clear();
+        }
         for (auto index : opts.indexes) {
             if (!skip_inverted_index && index && index->index_type() == IndexType::INVERTED) {
                 opts.inverted_index = index;
diff --git a/be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp b/be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp
index 4b0df03d35..91f890b7f9 100644
--- a/be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp
+++ b/be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp
@@ -106,12 +106,18 @@ VerticalSegmentWriter::~VerticalSegmentWriter() {
 void VerticalSegmentWriter::_init_column_meta(ColumnMetaPB* meta, uint32_t column_id,
                                               const TabletColumn& column) {
     meta->set_column_id(column_id);
-    meta->set_unique_id(column.unique_id());
     meta->set_type(int(column.type()));
     meta->set_length(column.length());
     meta->set_encoding(DEFAULT_ENCODING);
     meta->set_compression(_opts.compression_type);
     meta->set_is_nullable(column.is_nullable());
+    meta->set_default_value(column.default_value());
+    meta->set_precision(column.precision());
+    meta->set_frac(column.frac());
+    if (!column.path_info().empty()) {
+        column.path_info().to_protobuf(meta->mutable_column_path_info(), column.parent_unique_id());
+    }
+    meta->set_unique_id(column.unique_id());
     for (uint32_t i = 0; i < column.get_subtype_count(); ++i) {
         _init_column_meta(meta->add_children_columns(), column_id, column.get_sub_column(i));
     }
@@ -148,7 +154,12 @@ Status VerticalSegmentWriter::_create_column_writer(uint32_t cid, const TabletCo
         skip_inverted_index = true;
     }
     // indexes for this column
-    opts.indexes = _tablet_schema->get_indexes_for_column(column.unique_id());
+    opts.indexes = _tablet_schema->get_indexes_for_column(column);
+    if (column.is_variant_type() || (column.is_extracted_column() && column.is_jsonb_type()) ||
+        (column.is_extracted_column() && column.is_array_type())) {
+        // variant and jsonb type skip write index
+        opts.indexes.clear();
+    }
     for (auto index : opts.indexes) {
         if (!skip_inverted_index && index && index->index_type() == IndexType::INVERTED) {
             opts.inverted_index = index;
@@ -156,57 +167,31 @@ Status VerticalSegmentWriter::_create_column_writer(uint32_t cid, const TabletCo
             break;
         }
     }
-    if (column.type() == FieldType::OLAP_FIELD_TYPE_STRUCT) {
-        opts.need_zone_map = false;
-        if (opts.need_bloom_filter) {
-            return Status::NotSupported("Do not support bloom filter for struct type");
-        }
-        if (opts.need_bitmap_index) {
-            return Status::NotSupported("Do not support bitmap index for struct type");
-        }
-    }
-    if (column.type() == FieldType::OLAP_FIELD_TYPE_ARRAY) {
-        opts.need_zone_map = false;
-        if (opts.need_bloom_filter) {
-            return Status::NotSupported("Do not support bloom filter for array type");
-        }
-        if (opts.need_bitmap_index) {
-            return Status::NotSupported("Do not support bitmap index for array type");
-        }
-    }
-    if (column.type() == FieldType::OLAP_FIELD_TYPE_JSONB) {
-        opts.need_zone_map = false;
-        if (opts.need_bloom_filter) {
-            return Status::NotSupported("Do not support bloom filter for jsonb type");
-        }
-        if (opts.need_bitmap_index) {
-            return Status::NotSupported("Do not support bitmap index for jsonb type");
-        }
-    }
-    if (column.type() == FieldType::OLAP_FIELD_TYPE_AGG_STATE) {
-        opts.need_zone_map = false;
-        if (opts.need_bloom_filter) {
-            return Status::NotSupported("Do not support bloom filter for agg_state type");
-        }
-        if (opts.need_bitmap_index) {
-            return Status::NotSupported("Do not support bitmap index for agg_state type");
-        }
-    }
-    if (column.type() == FieldType::OLAP_FIELD_TYPE_MAP) {
-        opts.need_zone_map = false;
-        if (opts.need_bloom_filter) {
-            return Status::NotSupported("Do not support bloom filter for map type");
-        }
-        if (opts.need_bitmap_index) {
-            return Status::NotSupported("Do not support bitmap index for map type");
-        }
+
+#define CHECK_FIELD_TYPE(TYPE, type_name)                                                      \
+    if (column.type() == FieldType::OLAP_FIELD_TYPE_##TYPE) {                                  \
+        opts.need_zone_map = false;                                                            \
+        if (opts.need_bloom_filter) {                                                          \
+            return Status::NotSupported("Do not support bloom filter for " type_name " type"); \
+        }                                                                                      \
+        if (opts.need_bitmap_index) {                                                          \
+            return Status::NotSupported("Do not support bitmap index for " type_name " type"); \
+        }                                                                                      \
     }
 
+    CHECK_FIELD_TYPE(STRUCT, "struct")
+    CHECK_FIELD_TYPE(ARRAY, "array")
+    CHECK_FIELD_TYPE(JSONB, "jsonb")
+    CHECK_FIELD_TYPE(AGG_STATE, "agg_state")
+    CHECK_FIELD_TYPE(MAP, "map")
+    CHECK_FIELD_TYPE(VARIANT, "variant")
+
+#undef CHECK_FIELD_TYPE
+
     if (column.is_row_store_column()) {
         // smaller page size for row store column
         opts.data_page_size = config::row_column_page_size;
     }
-
     std::unique_ptr<ColumnWriter> writer;
     RETURN_IF_ERROR(ColumnWriter::create(opts, &column, _file_writer, &writer));
     RETURN_IF_ERROR(writer->init());
diff --git a/be/src/olap/rowset_builder.cpp b/be/src/olap/rowset_builder.cpp
index 219d344f62..395d37f715 100644
--- a/be/src/olap/rowset_builder.cpp
+++ b/be/src/olap/rowset_builder.cpp
@@ -194,6 +194,7 @@ Status RowsetBuilder::init() {
     context.rowset_state = PREPARED;
     context.segments_overlap = OVERLAPPING;
     context.tablet_schema = _tablet_schema;
+    context.original_tablet_schema = _tablet_schema;
     context.newest_write_timestamp = UnixSeconds();
     context.tablet_id = _tablet->tablet_id();
     context.tablet = _tablet;
diff --git a/be/src/olap/schema.cpp b/be/src/olap/schema.cpp
index c59f49cb3b..5cfa1d5e38 100644
--- a/be/src/olap/schema.cpp
+++ b/be/src/olap/schema.cpp
@@ -25,6 +25,7 @@
 #include <utility>
 
 #include "common/config.h"
+#include "olap/olap_common.h"
 #include "runtime/define_primitive_type.h"
 #include "util/trace.h"
 #include "vec/columns/column_array.h"
@@ -130,10 +131,11 @@ vectorized::IColumn::MutablePtr Schema::get_column_by_field(const Field& field)
     return get_data_type_ptr(field)->create_column();
 }
 
-vectorized::IColumn::MutablePtr Schema::get_predicate_column_ptr(const Field& field,
+vectorized::IColumn::MutablePtr Schema::get_predicate_column_ptr(const FieldType& type,
+                                                                 bool is_nullable,
                                                                  const ReaderType reader_type) {
     vectorized::IColumn::MutablePtr ptr = nullptr;
-    switch (field.type()) {
+    switch (type) {
     case FieldType::OLAP_FIELD_TYPE_BOOL:
         ptr = doris::vectorized::PredicateColumnType<TYPE_BOOLEAN>::create();
         break;
@@ -172,8 +174,7 @@ vectorized::IColumn::MutablePtr Schema::get_predicate_column_ptr(const Field& fi
         break;
     case FieldType::OLAP_FIELD_TYPE_CHAR:
         if (config::enable_low_cardinality_optimize && reader_type == ReaderType::READER_QUERY) {
-            ptr = doris::vectorized::ColumnDictionary<doris::vectorized::Int32>::create(
-                    field.type());
+            ptr = doris::vectorized::ColumnDictionary<doris::vectorized::Int32>::create(type);
         } else {
             ptr = doris::vectorized::PredicateColumnType<TYPE_CHAR>::create();
         }
@@ -182,8 +183,7 @@ vectorized::IColumn::MutablePtr Schema::get_predicate_column_ptr(const Field& fi
     case FieldType::OLAP_FIELD_TYPE_STRING:
     case FieldType::OLAP_FIELD_TYPE_JSONB:
         if (config::enable_low_cardinality_optimize && reader_type == ReaderType::READER_QUERY) {
-            ptr = doris::vectorized::ColumnDictionary<doris::vectorized::Int32>::create(
-                    field.type());
+            ptr = doris::vectorized::ColumnDictionary<doris::vectorized::Int32>::create(type);
         } else {
             ptr = doris::vectorized::PredicateColumnType<TYPE_STRING>::create();
         }
@@ -210,12 +210,12 @@ vectorized::IColumn::MutablePtr Schema::get_predicate_column_ptr(const Field& fi
         ptr = doris::vectorized::PredicateColumnType<TYPE_IPV6>::create();
         break;
     default:
-        throw Exception(ErrorCode::SCHEMA_SCHEMA_FIELD_INVALID,
-                        fmt::format("Unexpected type when choosing predicate column, type={}",
-                                    int(field.type())));
+        throw Exception(
+                ErrorCode::SCHEMA_SCHEMA_FIELD_INVALID,
+                fmt::format("Unexpected type when choosing predicate column, type={}", int(type)));
     }
 
-    if (field.is_nullable()) {
+    if (is_nullable) {
         return doris::vectorized::ColumnNullable::create(std::move(ptr),
                                                          doris::vectorized::ColumnUInt8::create());
     }
diff --git a/be/src/olap/schema.h b/be/src/olap/schema.h
index ce5c6705e7..3f2c2792b1 100644
--- a/be/src/olap/schema.h
+++ b/be/src/olap/schema.h
@@ -147,7 +147,8 @@ public:
 
     static vectorized::IColumn::MutablePtr get_column_by_field(const Field& field);
 
-    static vectorized::IColumn::MutablePtr get_predicate_column_ptr(const Field& field,
+    static vectorized::IColumn::MutablePtr get_predicate_column_ptr(const FieldType& type,
+                                                                    bool is_nullable,
                                                                     const ReaderType reader_type);
 
     const std::vector<Field*>& columns() const { return _cols; }
diff --git a/be/src/olap/schema_change.cpp b/be/src/olap/schema_change.cpp
index 9d0e23cb97..e29e1f277d 100644
--- a/be/src/olap/schema_change.cpp
+++ b/be/src/olap/schema_change.cpp
@@ -606,6 +606,7 @@ Result<std::pair<RowsetSharedPtr, PendingRowsetGuard>> VSchemaChangeWithSorting:
     context.rowset_state = VISIBLE;
     context.segments_overlap = segments_overlap;
     context.tablet_schema = new_tablet->tablet_schema();
+    context.original_tablet_schema = new_tablet->tablet_schema();
     context.newest_write_timestamp = newest_write_timestamp;
     context.write_type = DataWriteType::TYPE_SCHEMA_CHANGE;
     std::unique_ptr<RowsetWriter> rowset_writer;
@@ -1110,6 +1111,7 @@ Status SchemaChangeHandler::_convert_historical_rowsets(const SchemaChangeParams
         context.rowset_state = VISIBLE;
         context.segments_overlap = rs_reader->rowset()->rowset_meta()->segments_overlap();
         context.tablet_schema = new_tablet->tablet_schema();
+        context.original_tablet_schema = new_tablet->tablet_schema();
         context.newest_write_timestamp = rs_reader->newest_write_timestamp();
         context.fs = rs_reader->rowset()->rowset_meta()->fs();
         context.write_type = DataWriteType::TYPE_SCHEMA_CHANGE;
@@ -1300,8 +1302,8 @@ Status SchemaChangeHandler::_parse_request(const SchemaChangeParams& sc_params,
                 column_new.length() != column_old.length() ||
                 column_new.is_bf_column() != column_old.is_bf_column() ||
                 column_new.has_bitmap_index() != column_old.has_bitmap_index() ||
-                new_tablet_schema->has_inverted_index(column_new.unique_id()) !=
-                        base_tablet_schema->has_inverted_index(column_old.unique_id())) {
+                new_tablet_schema->has_inverted_index(column_new) !=
+                        base_tablet_schema->has_inverted_index(column_old)) {
                 *sc_directly = true;
                 return Status::OK();
             }
diff --git a/be/src/olap/tablet.cpp b/be/src/olap/tablet.cpp
index e2ed1bb88d..fad40012b0 100644
--- a/be/src/olap/tablet.cpp
+++ b/be/src/olap/tablet.cpp
@@ -641,9 +641,7 @@ TabletSchemaSPtr Tablet::tablet_schema_with_merged_max_schema_version(
         std::vector<TabletSchemaSPtr> schemas;
         std::transform(rowset_metas.begin(), rowset_metas.end(), std::back_inserter(schemas),
                        [](const RowsetMetaSharedPtr& rs_meta) { return rs_meta->tablet_schema(); });
-        target_schema = std::make_shared<TabletSchema>();
-        // TODO(lhy) maybe slow?
-        vectorized::schema_util::get_least_common_schema(schemas, target_schema);
+        target_schema = vectorized::schema_util::get_least_common_schema(schemas, nullptr);
         VLOG_DEBUG << "dump schema: " << target_schema->dump_structure();
     }
     return target_schema;
@@ -1342,7 +1340,7 @@ std::vector<RowsetSharedPtr> Tablet::pick_candidate_rowsets_to_build_inverted_in
         std::shared_lock rlock(_meta_lock);
         auto has_alter_inverted_index = [&](RowsetSharedPtr rowset) -> bool {
             for (const auto& index_id : alter_index_uids) {
-                if (rowset->tablet_schema()->has_inverted_index_with_index_id(index_id)) {
+                if (rowset->tablet_schema()->has_inverted_index_with_index_id(index_id, "")) {
                     return true;
                 }
             }
diff --git a/be/src/olap/tablet_schema.cpp b/be/src/olap/tablet_schema.cpp
index af163275b3..85203b0b12 100644
--- a/be/src/olap/tablet_schema.cpp
+++ b/be/src/olap/tablet_schema.cpp
@@ -39,12 +39,88 @@
 #include "tablet_meta.h"
 #include "vec/aggregate_functions/aggregate_function_simple_factory.h"
 #include "vec/aggregate_functions/aggregate_function_state_union.h"
+#include "vec/common/hex.h"
 #include "vec/core/block.h"
 #include "vec/data_types/data_type.h"
 #include "vec/data_types/data_type_factory.hpp"
 
 namespace doris {
 
+FieldType TabletColumn::get_field_type_by_type(PrimitiveType primitiveType) {
+    switch (primitiveType) {
+    case PrimitiveType::INVALID_TYPE:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN;
+    case PrimitiveType::TYPE_NULL:
+        return FieldType::OLAP_FIELD_TYPE_NONE;
+    case PrimitiveType::TYPE_BOOLEAN:
+        return FieldType::OLAP_FIELD_TYPE_BOOL;
+    case PrimitiveType::TYPE_TINYINT:
+        return FieldType::OLAP_FIELD_TYPE_TINYINT;
+    case PrimitiveType::TYPE_SMALLINT:
+        return FieldType::OLAP_FIELD_TYPE_SMALLINT;
+    case PrimitiveType::TYPE_INT:
+        return FieldType::OLAP_FIELD_TYPE_INT;
+    case PrimitiveType::TYPE_BIGINT:
+        return FieldType::OLAP_FIELD_TYPE_BIGINT;
+    case PrimitiveType::TYPE_LARGEINT:
+        return FieldType::OLAP_FIELD_TYPE_LARGEINT;
+    case PrimitiveType::TYPE_FLOAT:
+        return FieldType::OLAP_FIELD_TYPE_FLOAT;
+    case PrimitiveType::TYPE_DOUBLE:
+        return FieldType::OLAP_FIELD_TYPE_DOUBLE;
+    case PrimitiveType::TYPE_VARCHAR:
+        return FieldType::OLAP_FIELD_TYPE_VARCHAR;
+    case PrimitiveType::TYPE_DATE:
+        return FieldType::OLAP_FIELD_TYPE_DATE;
+    case PrimitiveType::TYPE_DATETIME:
+        return FieldType::OLAP_FIELD_TYPE_DATETIME;
+    case PrimitiveType::TYPE_BINARY:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN; // Not implemented
+    case PrimitiveType::TYPE_CHAR:
+        return FieldType::OLAP_FIELD_TYPE_CHAR;
+    case PrimitiveType::TYPE_STRUCT:
+        return FieldType::OLAP_FIELD_TYPE_STRUCT;
+    case PrimitiveType::TYPE_ARRAY:
+        return FieldType::OLAP_FIELD_TYPE_ARRAY;
+    case PrimitiveType::TYPE_MAP:
+        return FieldType::OLAP_FIELD_TYPE_MAP;
+    case PrimitiveType::TYPE_HLL:
+        return FieldType::OLAP_FIELD_TYPE_HLL;
+    case PrimitiveType::TYPE_DECIMALV2:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN; // Not implemented
+    case PrimitiveType::TYPE_TIME:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN;
+    case PrimitiveType::TYPE_OBJECT:
+        return FieldType::OLAP_FIELD_TYPE_OBJECT;
+    case PrimitiveType::TYPE_STRING:
+        return FieldType::OLAP_FIELD_TYPE_STRING;
+    case PrimitiveType::TYPE_QUANTILE_STATE:
+        return FieldType::OLAP_FIELD_TYPE_QUANTILE_STATE;
+    case PrimitiveType::TYPE_DATEV2:
+        return FieldType::OLAP_FIELD_TYPE_DATEV2;
+    case PrimitiveType::TYPE_DATETIMEV2:
+        return FieldType::OLAP_FIELD_TYPE_DATETIMEV2;
+    case PrimitiveType::TYPE_TIMEV2:
+        return FieldType::OLAP_FIELD_TYPE_TIMEV2;
+    case PrimitiveType::TYPE_DECIMAL32:
+        return FieldType::OLAP_FIELD_TYPE_DECIMAL32;
+    case PrimitiveType::TYPE_DECIMAL64:
+        return FieldType::OLAP_FIELD_TYPE_DECIMAL64;
+    case PrimitiveType::TYPE_DECIMAL128I:
+        return FieldType::OLAP_FIELD_TYPE_DECIMAL128I;
+    case PrimitiveType::TYPE_JSONB:
+        return FieldType::OLAP_FIELD_TYPE_JSONB;
+    case PrimitiveType::TYPE_VARIANT:
+        return FieldType::OLAP_FIELD_TYPE_VARIANT;
+    case PrimitiveType::TYPE_LAMBDA_FUNCTION:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN; // Not implemented
+    case PrimitiveType::TYPE_AGG_STATE:
+        return FieldType::OLAP_FIELD_TYPE_AGG_STATE;
+    default:
+        return FieldType::OLAP_FIELD_TYPE_UNKNOWN;
+    }
+}
+
 FieldType TabletColumn::get_field_type_by_string(const std::string& type_str) {
     std::string upper_type_str = type_str;
     std::transform(type_str.begin(), type_str.end(), upper_type_str.begin(),
@@ -568,6 +644,30 @@ vectorized::DataTypePtr TabletColumn::get_vec_type() const {
     return vectorized::DataTypeFactory::instance().create_data_type(*this);
 }
 
+// escape '.' and '_'
+std::string escape_for_path_name(const std::string& s) {
+    std::string res;
+    const char* pos = s.data();
+    const char* end = pos + s.size();
+    while (pos != end) {
+        unsigned char c = *pos;
+        if (c == '.' || c == '_') {
+            res += '%';
+            res += vectorized::hex_digit_uppercase(c / 16);
+            res += vectorized::hex_digit_uppercase(c % 16);
+        } else {
+            res += c;
+        }
+        ++pos;
+    }
+    return res;
+}
+
+void TabletIndex::set_escaped_escaped_index_suffix_path(const std::string& path_name) {
+    std::string escaped_path = escape_for_path_name(path_name);
+    _escaped_index_suffix_path = escaped_path;
+}
+
 void TabletIndex::init_from_thrift(const TOlapTableIndex& index,
                                    const TabletSchema& tablet_schema) {
     _index_id = index.index_id;
@@ -644,6 +744,7 @@ void TabletIndex::init_from_pb(const TabletIndexPB& index) {
     for (auto& kv : index.properties()) {
         _properties[kv.first] = kv.second;
     }
+    _escaped_index_suffix_path = index.index_suffix_name();
 }
 
 void TabletIndex::to_schema_pb(TabletIndexPB* index) const {
@@ -657,6 +758,7 @@ void TabletIndex::to_schema_pb(TabletIndexPB* index) const {
     for (auto& kv : _properties) {
         (*index->mutable_properties())[kv.first] = kv.second;
     }
+    index->set_index_suffix_name(_escaped_index_suffix_path);
 }
 
 void TabletSchema::append_column(TabletColumn column, ColumnType col_type) {
@@ -673,6 +775,7 @@ void TabletSchema::append_column(TabletColumn column, ColumnType col_type) {
             vectorized::PathInData path(col_name);
             column.set_path_info(path);
         }
+        _field_path_to_index[column.path_info()] = _num_columns;
     }
     if (UNLIKELY(column.name() == DELETE_SIGN)) {
         _delete_sign_idx = _num_columns;
@@ -686,6 +789,7 @@ void TabletSchema::append_column(TabletColumn column, ColumnType col_type) {
     if (col_type == ColumnType::NORMAL) {
         _field_name_to_index[column.name()] = _num_columns;
     } else if (col_type == ColumnType::VARIANT) {
+        _field_name_to_index[column.name()] = _num_columns;
         _field_path_to_index[column.path_info()] = _num_columns;
     }
     _field_id_to_index[column.unique_id()] = _num_columns;
@@ -697,6 +801,23 @@ void TabletSchema::append_index(TabletIndex index) {
     _indexes.push_back(std::move(index));
 }
 
+void TabletSchema::update_index(const TabletColumn& col, TabletIndex index) {
+    int32_t col_unique_id = col.unique_id();
+    const std::string& suffix_path =
+            !col.path_info().empty() ? escape_for_path_name(col.path_info().get_path()) : "";
+    for (size_t i = 0; i < _indexes.size(); i++) {
+        for (int32_t id : _indexes[i].col_unique_ids()) {
+            if (id == col_unique_id && _indexes[i].get_index_suffix() == suffix_path) {
+                _indexes[i] = index;
+            }
+        }
+    }
+}
+
+void TabletSchema::clear_index() {
+    _indexes.clear();
+}
+
 void TabletSchema::remove_index(int64_t index_id) {
     std::vector<TabletIndex> indexes;
     for (auto index : _indexes) {
@@ -1000,13 +1121,16 @@ const TabletColumn& TabletSchema::column(const std::string& field_name) const {
     return _cols[found->second];
 }
 
-std::vector<const TabletIndex*> TabletSchema::get_indexes_for_column(int32_t col_unique_id) const {
+std::vector<const TabletIndex*> TabletSchema::get_indexes_for_column(
+        const TabletColumn& col) const {
     std::vector<const TabletIndex*> indexes_for_column;
-
+    int32_t col_unique_id = col.unique_id();
+    const std::string& suffix_path =
+            !col.path_info().empty() ? escape_for_path_name(col.path_info().get_path()) : "";
     // TODO use more efficient impl
     for (size_t i = 0; i < _indexes.size(); i++) {
         for (int32_t id : _indexes[i].col_unique_ids()) {
-            if (id == col_unique_id) {
+            if (id == col_unique_id && _indexes[i].get_index_suffix() == suffix_path) {
                 indexes_for_column.push_back(&(_indexes[i]));
             }
         }
@@ -1015,12 +1139,15 @@ std::vector<const TabletIndex*> TabletSchema::get_indexes_for_column(int32_t col
     return indexes_for_column;
 }
 
-bool TabletSchema::has_inverted_index(int32_t col_unique_id) const {
+bool TabletSchema::has_inverted_index(const TabletColumn& col) const {
     // TODO use more efficient impl
+    int32_t col_unique_id = col.unique_id();
+    const std::string& suffix_path =
+            !col.path_info().empty() ? escape_for_path_name(col.path_info().get_path()) : "";
     for (size_t i = 0; i < _indexes.size(); i++) {
         if (_indexes[i].index_type() == IndexType::INVERTED) {
             for (int32_t id : _indexes[i].col_unique_ids()) {
-                if (id == col_unique_id) {
+                if (id == col_unique_id && _indexes[i].get_index_suffix() == suffix_path) {
                     return true;
                 }
             }
@@ -1030,9 +1157,11 @@ bool TabletSchema::has_inverted_index(int32_t col_unique_id) const {
     return false;
 }
 
-bool TabletSchema::has_inverted_index_with_index_id(int32_t index_id) const {
+bool TabletSchema::has_inverted_index_with_index_id(int32_t index_id,
+                                                    const std::string& suffix_name) const {
     for (size_t i = 0; i < _indexes.size(); i++) {
-        if (_indexes[i].index_type() == IndexType::INVERTED && _indexes[i].index_id() == index_id) {
+        if (_indexes[i].index_type() == IndexType::INVERTED &&
+            _indexes[i].get_index_suffix() == suffix_name && _indexes[i].index_id() == index_id) {
             return true;
         }
     }
@@ -1040,21 +1169,29 @@ bool TabletSchema::has_inverted_index_with_index_id(int32_t index_id) const {
     return false;
 }
 
-const TabletIndex* TabletSchema::get_inverted_index(int32_t col_unique_id) const {
-    // TODO use more efficient impl
+const TabletIndex* TabletSchema::get_inverted_index(int32_t col_unique_id,
+                                                    const std::string& suffix_path) const {
     for (size_t i = 0; i < _indexes.size(); i++) {
         if (_indexes[i].index_type() == IndexType::INVERTED) {
             for (int32_t id : _indexes[i].col_unique_ids()) {
-                if (id == col_unique_id) {
+                if (id == col_unique_id &&
+                    _indexes[i].get_index_suffix() == escape_for_path_name(suffix_path)) {
                     return &(_indexes[i]);
                 }
             }
         }
     }
-
     return nullptr;
 }
 
+const TabletIndex* TabletSchema::get_inverted_index(const TabletColumn& col) const {
+    // TODO use more efficient impl
+    int32_t col_unique_id = col.unique_id();
+    const std::string& suffix_path =
+            !col.path_info().empty() ? escape_for_path_name(col.path_info().get_path()) : "";
+    return get_inverted_index(col_unique_id, suffix_path);
+}
+
 bool TabletSchema::has_ngram_bf_index(int32_t col_unique_id) const {
     // TODO use more efficient impl
     for (size_t i = 0; i < _indexes.size(); i++) {
diff --git a/be/src/olap/tablet_schema.h b/be/src/olap/tablet_schema.h
index 794c9b5b5b..059e38154f 100644
--- a/be/src/olap/tablet_schema.h
+++ b/be/src/olap/tablet_schema.h
@@ -35,8 +35,10 @@
 #include "common/status.h"
 #include "gutil/stringprintf.h"
 #include "olap/olap_common.h"
+#include "runtime/define_primitive_type.h"
 #include "util/string_util.h"
 #include "vec/aggregate_functions/aggregate_function.h"
+#include "vec/common/string_utils/string_utils.h"
 #include "vec/json/path_in_data.h"
 
 namespace doris {
@@ -79,6 +81,7 @@ public:
     bool is_bf_column() const { return _is_bf_column; }
     bool has_bitmap_index() const { return _has_bitmap_index; }
     bool is_array_type() const { return _type == FieldType::OLAP_FIELD_TYPE_ARRAY; }
+    bool is_jsonb_type() const { return _type == FieldType::OLAP_FIELD_TYPE_JSONB; }
     bool is_length_variable_type() const {
         return _type == FieldType::OLAP_FIELD_TYPE_CHAR ||
                _type == FieldType::OLAP_FIELD_TYPE_VARCHAR ||
@@ -127,6 +130,7 @@ public:
     static std::string get_string_by_field_type(FieldType type);
     static std::string get_string_by_aggregation_type(FieldAggregationMethod aggregation_type);
     static FieldType get_field_type_by_string(const std::string& str);
+    static FieldType get_field_type_by_type(PrimitiveType type);
     static FieldAggregationMethod get_aggregation_type_by_string(const std::string& str);
     static uint32_t get_field_length_by_type(TPrimitiveType::type type, uint32_t string_length);
     bool is_row_store_column() const;
@@ -207,16 +211,15 @@ public:
 
         return 0;
     }
-    TabletIndex(const TabletIndex& other) {
-        _index_id = other._index_id;
-        _index_name = other._index_name;
-        _index_type = other._index_type;
-        _col_unique_ids = other._col_unique_ids;
-        _properties = other._properties;
-    }
+
+    const std::string& get_index_suffix() const { return _escaped_index_suffix_path; }
+
+    void set_escaped_escaped_index_suffix_path(const std::string& name);
 
 private:
     int64_t _index_id;
+    // Identify the different index with the same _index_id
+    std::string _escaped_index_suffix_path;
     std::string _index_name;
     IndexType _index_type;
     std::vector<int32_t> _col_unique_ids;
@@ -234,7 +237,9 @@ public:
     void to_schema_pb(TabletSchemaPB* tablet_meta_pb) const;
     void append_column(TabletColumn column, ColumnType col_type = ColumnType::NORMAL);
     void append_index(TabletIndex index);
+    void update_index(const TabletColumn& column, TabletIndex index);
     void remove_index(int64_t index_id);
+    void clear_index();
     // Must make sure the row column is always the last column
     void add_row_column();
     void copy_from(const TabletSchema& tablet_schema);
@@ -287,10 +292,12 @@ public:
     segment_v2::CompressionTypePB compression_type() const { return _compression_type; }
 
     const std::vector<TabletIndex>& indexes() const { return _indexes; }
-    std::vector<const TabletIndex*> get_indexes_for_column(int32_t col_unique_id) const;
-    bool has_inverted_index(int32_t col_unique_id) const;
-    bool has_inverted_index_with_index_id(int32_t index_id) const;
-    const TabletIndex* get_inverted_index(int32_t col_unique_id) const;
+    std::vector<const TabletIndex*> get_indexes_for_column(const TabletColumn& col) const;
+    bool has_inverted_index(const TabletColumn& col) const;
+    bool has_inverted_index_with_index_id(int32_t index_id, const std::string& suffix_path) const;
+    const TabletIndex* get_inverted_index(const TabletColumn& col) const;
+    const TabletIndex* get_inverted_index(int32_t col_unique_id,
+                                          const std::string& suffix_path) const;
     bool has_ngram_bf_index(int32_t col_unique_id) const;
     const TabletIndex* get_ngram_bf_index(int32_t col_unique_id) const;
     void update_indexes_from_thrift(const std::vector<doris::TOlapTableIndex>& indexes);
diff --git a/be/src/olap/task/index_builder.cpp b/be/src/olap/task/index_builder.cpp
index 6969edfe05..fbb8496297 100644
--- a/be/src/olap/task/index_builder.cpp
+++ b/be/src/olap/task/index_builder.cpp
@@ -79,8 +79,8 @@ Status IndexBuilder::update_inverted_index_info() {
                 TabletIndex index;
                 index.init_from_thrift(t_inverted_index, *input_rs_tablet_schema);
                 auto column_uid = index.col_unique_ids()[0];
-                const TabletIndex* exist_index =
-                        output_rs_tablet_schema->get_inverted_index(column_uid);
+                const TabletColumn& col = output_rs_tablet_schema->column_by_uid(column_uid);
+                const TabletIndex* exist_index = output_rs_tablet_schema->get_inverted_index(col);
                 if (exist_index && exist_index->index_id() != index.index_id()) {
                     LOG(WARNING) << fmt::format(
                             "column: {} has a exist inverted index, but the index id not equal "
@@ -173,11 +173,11 @@ Status IndexBuilder::handle_single_rowset(RowsetMetaSharedPtr output_rowset_meta
                     continue;
                 }
                 auto column = output_rowset_schema->column(column_idx);
-                DCHECK(output_rowset_schema->has_inverted_index_with_index_id(index_id));
+                DCHECK(output_rowset_schema->has_inverted_index_with_index_id(index_id, ""));
                 _olap_data_convertor->add_column_data_convertor(column);
                 return_columns.emplace_back(column_idx);
                 std::unique_ptr<Field> field(FieldFactory::create(column));
-                auto index_meta = output_rowset_schema->get_inverted_index(column.unique_id());
+                auto index_meta = output_rowset_schema->get_inverted_index(column);
                 std::unique_ptr<segment_v2::InvertedIndexColumnWriter> inverted_index_builder;
                 try {
                     RETURN_IF_ERROR(segment_v2::InvertedIndexColumnWriter::create(
diff --git a/be/src/pipeline/exec/scan_operator.cpp b/be/src/pipeline/exec/scan_operator.cpp
index 93c1eb9f98..bb5a76e19b 100644
--- a/be/src/pipeline/exec/scan_operator.cpp
+++ b/be/src/pipeline/exec/scan_operator.cpp
@@ -32,6 +32,7 @@
 #include "vec/exec/scan/pip_scanner_context.h"
 #include "vec/exec/scan/scanner_context.h"
 #include "vec/exec/scan/vscan_node.h"
+#include "vec/exprs/vcast_expr.h"
 #include "vec/exprs/vcompound_pred.h"
 #include "vec/exprs/vectorized_fn_call.h"
 #include "vec/exprs/vexpr.h"
@@ -186,24 +187,14 @@ Status ScanLocalState<Derived>::_normalize_conjuncts() {
     // The conjuncts is always on output tuple, so use _output_tuple_desc;
     std::vector<SlotDescriptor*> slots = p._output_tuple_desc->slots();
 
-    for (int slot_idx = 0; slot_idx < slots.size(); ++slot_idx) {
-        _colname_to_slot_id[slots[slot_idx]->col_name()] = slots[slot_idx]->id();
-
-        auto type = slots[slot_idx]->type().type;
-        if (slots[slot_idx]->type().type == TYPE_ARRAY) {
-            type = slots[slot_idx]->type().children[0].type;
-            if (type == TYPE_ARRAY) {
-                continue;
-            }
-        }
+    auto init_value_range = [&](SlotDescriptor* slot, PrimitiveType type) {
         switch (type) {
-#define M(NAME)                                                                              \
-    case TYPE_##NAME: {                                                                      \
-        ColumnValueRange<TYPE_##NAME> range(                                                 \
-                slots[slot_idx]->col_name(), slots[slot_idx]->is_nullable(),                 \
-                slots[slot_idx]->type().precision, slots[slot_idx]->type().scale);           \
-        _slot_id_to_value_range[slots[slot_idx]->id()] = std::pair {slots[slot_idx], range}; \
-        break;                                                                               \
+#define M(NAME)                                                                          \
+    case TYPE_##NAME: {                                                                  \
+        ColumnValueRange<TYPE_##NAME> range(slot->col_name(), slot->is_nullable(),       \
+                                            slot->type().precision, slot->type().scale); \
+        _slot_id_to_value_range[slot->id()] = std::pair {slot, range};                   \
+        break;                                                                           \
     }
 #define APPLY_FOR_PRIMITIVE_TYPE(M) \
     M(TINYINT)                      \
@@ -228,11 +219,29 @@ Status ScanLocalState<Derived>::_normalize_conjuncts() {
             APPLY_FOR_PRIMITIVE_TYPE(M)
 #undef M
         default: {
-            VLOG_CRITICAL << "Unsupported Normalize Slot [ColName=" << slots[slot_idx]->col_name()
-                          << "]";
+            VLOG_CRITICAL << "Unsupported Normalize Slot [ColName=" << slot->col_name() << "]";
             break;
         }
         }
+    };
+
+    for (int slot_idx = 0; slot_idx < slots.size(); ++slot_idx) {
+        _colname_to_slot_id[slots[slot_idx]->col_name()] = slots[slot_idx]->id();
+        _slot_id_to_slot_desc[slots[slot_idx]->id()] = slots[slot_idx];
+
+        auto type = slots[slot_idx]->type().type;
+        if (slots[slot_idx]->type().type == TYPE_ARRAY) {
+            type = slots[slot_idx]->type().children[0].type;
+            if (type == TYPE_ARRAY) {
+                continue;
+            }
+        }
+        init_value_range(slots[slot_idx], slots[slot_idx]->type().type);
+    }
+
+    get_cast_types_for_variants();
+    for (const auto& [colname, type] : _cast_types_for_variants) {
+        init_value_range(_slot_id_to_slot_desc[_colname_to_slot_id[colname]], type);
     }
 
     for (auto it = _conjuncts.begin(); it != _conjuncts.end();) {
@@ -323,6 +332,16 @@ Status ScanLocalState<Derived>::_normalize_predicate(
                 output_expr = nullptr;
                 return Status::OK();
             }
+            std::shared_ptr<vectorized::VSlotRef> slotref;
+            for (const auto& child : cur_expr->children()) {
+                if (vectorized::VExpr::expr_without_cast(child)->node_type() !=
+                    TExprNodeType::SLOT_REF) {
+                    // not a slot ref(column)
+                    continue;
+                }
+                slotref = std::dynamic_pointer_cast<vectorized::VSlotRef>(
+                        vectorized::VExpr::expr_without_cast(child));
+            }
             if (_is_predicate_acting_on_slot(cur_expr, in_predicate_checker, &slot, &range) ||
                 _is_predicate_acting_on_slot(cur_expr, eq_predicate_checker, &slot, &range)) {
                 Status status = Status::OK();
@@ -382,6 +401,14 @@ Status ScanLocalState<Derived>::_normalize_predicate(
                 return Status::OK();
             }
 
+            if (pdt == vectorized::VScanNode::PushDownType::ACCEPTABLE && slotref != nullptr &&
+                slotref->type().is_variant_type()) {
+                // remaining it in the expr tree, in order to filter by function if the pushdown
+                // predicate is not applied
+                output_expr = conjunct_expr_root; // remaining in conjunct tree
+                return Status::OK();
+            }
+
             if (pdt == vectorized::VScanNode::PushDownType::ACCEPTABLE &&
                 (_is_key_column(slot->col_name()) || _storage_no_merge())) {
                 output_expr = nullptr;
@@ -536,6 +563,10 @@ bool ScanLocalState<Derived>::_ignore_cast(SlotDescriptor* slot, vectorized::VEx
     if (slot->type().is_string_type() && expr->type().is_string_type()) {
         return true;
     }
+    // Variant slot cast could be eliminated
+    if (slot->type().is_variant_type()) {
+        return true;
+    }
     if (slot->type().is_array_type()) {
         if (slot->type().children[0].type == expr->type().type) {
             return true;
@@ -1266,6 +1297,52 @@ Status ScanLocalState<Derived>::_init_profile() {
     return Status::OK();
 }
 
+template <typename Derived>
+void ScanLocalState<Derived>::_filter_and_collect_cast_type_for_variant(
+        const vectorized::VExpr* expr,
+        phmap::flat_hash_map<std::string, std::vector<PrimitiveType>>& colname_to_cast_types) {
+    const auto* cast_expr = dynamic_cast<const vectorized::VCastExpr*>(expr);
+    if (cast_expr != nullptr) {
+        const auto* src_slot =
+                cast_expr->get_child(0)->node_type() == TExprNodeType::SLOT_REF
+                        ? dynamic_cast<const vectorized::VSlotRef*>(cast_expr->get_child(0).get())
+                        : nullptr;
+        if (src_slot == nullptr) {
+            return;
+        }
+        std::vector<SlotDescriptor*> slots = output_tuple_desc()->slots();
+        SlotDescriptor* src_slot_desc = _slot_id_to_slot_desc[src_slot->slot_id()];
+        PrimitiveType cast_dst_type =
+                cast_expr->get_target_type()->get_type_as_type_descriptor().type;
+        if (src_slot_desc->type().is_variant_type()) {
+            colname_to_cast_types[src_slot_desc->col_name()].push_back(cast_dst_type);
+        }
+    }
+    for (const auto& child : expr->children()) {
+        _filter_and_collect_cast_type_for_variant(child.get(), colname_to_cast_types);
+    }
+}
+
+template <typename Derived>
+void ScanLocalState<Derived>::get_cast_types_for_variants() {
+    phmap::flat_hash_map<std::string, std::vector<PrimitiveType>> colname_to_cast_types;
+    for (auto it = _conjuncts.begin(); it != _conjuncts.end();) {
+        auto& conjunct = *it;
+        if (conjunct->root()) {
+            _filter_and_collect_cast_type_for_variant(conjunct->root().get(),
+                                                      colname_to_cast_types);
+        }
+        ++it;
+    }
+    // cast to one certain type for variant could utilize fully predicates performance
+    // when storage layer type equals to cast type
+    for (const auto& [slotid, types] : colname_to_cast_types) {
+        if (types.size() == 1) {
+            _cast_types_for_variants[slotid] = types[0];
+        }
+    }
+}
+
 template <typename LocalStateType>
 ScanOperatorX<LocalStateType>::ScanOperatorX(ObjectPool* pool, const TPlanNode& tnode,
                                              int operator_id, const DescriptorTbl& descs)
diff --git a/be/src/pipeline/exec/scan_operator.h b/be/src/pipeline/exec/scan_operator.h
index 42185fc80c..06fe2452c7 100644
--- a/be/src/pipeline/exec/scan_operator.h
+++ b/be/src/pipeline/exec/scan_operator.h
@@ -25,6 +25,7 @@
 #include "common/status.h"
 #include "operator.h"
 #include "pipeline/pipeline_x/operator.h"
+#include "runtime/descriptors.h"
 #include "vec/exec/scan/vscan_node.h"
 
 namespace doris {
@@ -359,6 +360,14 @@ protected:
     // Submit the scanner to the thread pool and start execution
     Status _start_scanners(const std::list<vectorized::VScannerSPtr>& scanners);
 
+    // For some conjunct there is chance to elimate cast operator
+    // Eg. Variant's sub column could eliminate cast in storage layer if
+    // cast dst column type equals storage column type
+    void get_cast_types_for_variants();
+    void _filter_and_collect_cast_type_for_variant(
+            const vectorized::VExpr* expr,
+            phmap::flat_hash_map<std::string, std::vector<PrimitiveType>>& colname_to_cast_types);
+
     // Every time vconjunct_ctx_ptr is updated, the old ctx will be stored in this vector
     // so that it will be destroyed uniformly at the end of the query.
     vectorized::VExprContextSPtrs _stale_expr_ctxs;
@@ -371,6 +380,12 @@ protected:
     // Save all function predicates which may be pushed down to data source.
     std::vector<FunctionFilter> _push_down_functions;
 
+    // colname -> cast dst type
+    std::map<std::string, PrimitiveType> _cast_types_for_variants;
+
+    // slot id -> SlotDescriptor
+    phmap::flat_hash_map<int, SlotDescriptor*> _slot_id_to_slot_desc;
+
     // slot id -> ColumnValueRange
     // Parsed from conjuncts
     phmap::flat_hash_map<int, std::pair<SlotDescriptor*, ColumnValueRangeType>>
diff --git a/be/src/service/internal_service.cpp b/be/src/service/internal_service.cpp
index 5f1868f436..35de12af1a 100644
--- a/be/src/service/internal_service.cpp
+++ b/be/src/service/internal_service.cpp
@@ -1422,14 +1422,16 @@ void PInternalServiceImpl::request_slave_tablet_pull_rowset(
                 for (auto index_size : segment_indices_size.index_sizes()) {
                     auto index_id = index_size.indexid();
                     auto size = index_size.size();
+                    auto suffix_path = index_size.suffix_path();
                     std::string remote_inverted_index_file =
-                            InvertedIndexDescriptor::get_index_file_name(remote_file_path,
-                                                                         index_id);
+                            InvertedIndexDescriptor::get_index_file_name(remote_file_path, index_id,
+                                                                         suffix_path);
                     std::string remote_inverted_index_file_url = construct_url(
                             get_host_port(host, http_port), token, remote_inverted_index_file);
 
                     std::string local_inverted_index_file =
-                            InvertedIndexDescriptor::get_index_file_name(local_file_path, index_id);
+                            InvertedIndexDescriptor::get_index_file_name(local_file_path, index_id,
+                                                                         suffix_path);
                     st = download_file_action(remote_inverted_index_file_url,
                                               local_inverted_index_file, estimate_timeout, size);
                     if (!st.ok()) {
@@ -1690,8 +1692,10 @@ Status PInternalServiceImpl::_multi_get(const PMultiGetRequest& request,
             std::unique_ptr<segment_v2::ColumnIterator> column_iterator;
             vectorized::MutableColumnPtr column =
                     result_block.get_by_position(x).column->assume_mutable();
-            RETURN_IF_ERROR(
-                    segment->new_column_iterator(full_read_schema.column(index), &column_iterator));
+            StorageReadOptions storage_read_opt;
+            storage_read_opt.io_ctx.reader_type = ReaderType::READER_QUERY;
+            RETURN_IF_ERROR(segment->new_column_iterator(full_read_schema.column(index),
+                                                         &column_iterator, &storage_read_opt));
             segment_v2::ColumnIteratorOptions opt {
                     .use_page_cache = !config::disable_storage_page_cache,
                     .file_reader = segment->file_reader().get(),
diff --git a/be/src/vec/columns/column_object.cpp b/be/src/vec/columns/column_object.cpp
index fb793abe75..ed251ef4ac 100644
--- a/be/src/vec/columns/column_object.cpp
+++ b/be/src/vec/columns/column_object.cpp
@@ -22,6 +22,7 @@
 
 #include <assert.h>
 #include <fmt/format.h>
+#include <glog/logging.h>
 #include <parallel_hashmap/phmap.h>
 #include <rapidjson/stringbuffer.h>
 #include <rapidjson/writer.h>
@@ -51,7 +52,6 @@
 #include "vec/common/field_visitors.h"
 #include "vec/common/schema_util.h"
 #include "vec/common/string_buffer.hpp"
-#include "vec/common/typeid_cast.h"
 #include "vec/core/column_with_type_and_name.h"
 #include "vec/core/field.h"
 #include "vec/core/types.h"
@@ -436,8 +436,7 @@ ColumnPtr ColumnObject::index(const IColumn& indexes, size_t limit) const {
 }
 
 bool ColumnObject::Subcolumn::check_if_sparse_column(size_t num_rows) {
-    constexpr static size_t s_threshold_rows_estimate_sparse_column = 1000;
-    if (num_rows < s_threshold_rows_estimate_sparse_column) {
+    if (num_rows < config::variant_threshold_rows_to_estimate_sparse_column) {
         return false;
     }
     std::vector<double> defaults_ratio;
@@ -446,7 +445,7 @@ bool ColumnObject::Subcolumn::check_if_sparse_column(size_t num_rows) {
     }
     double default_ratio = std::accumulate(defaults_ratio.begin(), defaults_ratio.end(), 0.0) /
                            defaults_ratio.size();
-    return default_ratio >= config::ratio_of_defaults_as_sparse_column;
+    return default_ratio >= config::variant_ratio_of_defaults_as_sparse_column;
 }
 
 void ColumnObject::Subcolumn::finalize() {
@@ -756,6 +755,9 @@ FieldInfo ColumnObject::Subcolumn::get_subcolumn_field_info() const {
 }
 
 void ColumnObject::insert_range_from(const IColumn& src, size_t start, size_t length) {
+#ifndef NDEBUG
+    check_consistency();
+#endif
     const auto& src_object = assert_cast<const ColumnObject&>(src);
     for (const auto& entry : src_object.subcolumns) {
         if (!has_subcolumn(entry->path)) {
@@ -827,9 +829,13 @@ bool ColumnObject::add_sub_column(const PathInData& key, MutableColumnPtr&& subc
     }
     if (key.empty() && ((!subcolumns.get_root()->is_scalar()) ||
                         is_nothing(subcolumns.get_root()->data.get_least_common_type()))) {
-        // update root
+        bool root_it_scalar = subcolumns.get_root()->is_scalar();
+        // update root to scalar
         subcolumns.get_mutable_root()->modify_to_scalar(
                 Subcolumn(std::move(subcolumn), type, is_nullable, true));
+        if (!root_it_scalar) {
+            subcolumns.add_leaf(subcolumns.get_root_ptr());
+        }
         if (num_rows == 0) {
             num_rows = new_size;
         }
@@ -859,6 +865,7 @@ bool ColumnObject::add_sub_column(const PathInData& key, size_t new_size) {
     if (key.empty() && (!subcolumns.get_root()->is_scalar())) {
         // update none scalar root column to scalar node
         subcolumns.get_mutable_root()->modify_to_scalar(Subcolumn(new_size, is_nullable, true));
+        subcolumns.add_leaf(subcolumns.get_root_ptr());
         if (num_rows == 0) {
             num_rows = new_size;
         }
@@ -903,11 +910,6 @@ bool ColumnObject::is_finalized() const {
                        [](const auto& entry) { return entry->data.is_finalized(); });
 }
 
-static bool check_if_valid_column_name(const PathInData& path) {
-    static const std::regex COLUMN_NAME_REGEX("^[_a-zA-Z@0-9][.a-zA-Z0-9_+-/><?@#$%^&*]{0,255}$");
-    return std::regex_match(path.get_path(), COLUMN_NAME_REGEX);
-}
-
 void ColumnObject::Subcolumn::wrapp_array_nullable() {
     // Wrap array with nullable, treat empty array as null to elimate conflict at present
     auto& result_column = get_finalized_column_ptr();
@@ -1164,6 +1166,12 @@ void ColumnObject::merge_sparse_to_root_column() {
     subcolumns.get_mutable_root()->data.get_finalized_column_ptr() = mresult->get_ptr();
 }
 
+void ColumnObject::finalize_if_not() {
+    if (!is_finalized()) {
+        finalize();
+    }
+}
+
 void ColumnObject::finalize(bool ignore_sparse) {
     Subcolumns new_subcolumns;
     // finalize root first
@@ -1185,8 +1193,7 @@ void ColumnObject::finalize(bool ignore_sparse) {
         }
 
         // Check and spilit sparse subcolumns
-        if (!ignore_sparse && (entry->data.check_if_sparse_column(num_rows) ||
-                               !check_if_valid_column_name(entry->path))) {
+        if (!ignore_sparse && (entry->data.check_if_sparse_column(num_rows))) {
             // TODO seperate ambiguous path
             sparse_columns.add(entry->path, entry->data);
             continue;
@@ -1239,6 +1246,18 @@ void ColumnObject::strip_outer_array() {
     std::swap(subcolumns, new_subcolumns);
 }
 
+void ColumnObject::replicate(const uint32_t* indexs, size_t target_size, IColumn& column) const {
+    if (!is_finalized()) {
+        const_cast<ColumnObject*>(this)->finalize();
+    }
+    auto& var = assert_cast<ColumnObject&>(column);
+    for (auto& entry : subcolumns) {
+        auto replica = entry->data.get_finalized_column().clone_empty();
+        entry->data.get_finalized_column().replicate(indexs, target_size, *replica);
+        var.add_sub_column(entry->path, std::move(replica), entry->data.get_least_common_type());
+    }
+}
+
 ColumnPtr ColumnObject::filter(const Filter& filter, ssize_t count) const {
     if (!is_finalized()) {
         const_cast<ColumnObject*>(this)->finalize();
@@ -1299,16 +1318,23 @@ size_t ColumnObject::filter(const Filter& filter) {
     return count;
 }
 
-void ColumnObject::clear() {
+void ColumnObject::clear_subcolumns_data() {
     for (auto& entry : subcolumns) {
         for (auto& part : entry->data.data) {
-            part->clear();
+            DCHECK_EQ(part->use_count(), 1);
+            (*std::move(part)).clear();
         }
         entry->data.num_of_defaults_in_prefix = 0;
     }
     num_rows = 0;
 }
 
+void ColumnObject::clear() {
+    Subcolumns empty;
+    std::swap(empty, subcolumns);
+    num_rows = 0;
+}
+
 void ColumnObject::revise_to(int target_num_rows) {
     for (auto&& entry : subcolumns) {
         if (entry->data.size() > target_num_rows) {
@@ -1345,7 +1371,8 @@ bool ColumnObject::is_null_root() const {
 
 bool ColumnObject::is_scalar_variant() const {
     // Only root itself
-    return !is_null_root() && subcolumns.get_leaves().size() == 1;
+    return !is_null_root() && subcolumns.get_leaves().size() == 1 &&
+           subcolumns.get_root()->is_scalar();
 }
 
 DataTypePtr ColumnObject::get_root_type() const {
@@ -1390,78 +1417,20 @@ Status ColumnObject::extract_root(const PathInData& path, MutableColumnPtr& dst)
     return Status::OK();
 }
 
-template <typename ColumnInserterFn>
-void align_variant_by_name_and_type(ColumnObject& dst, const ColumnObject& src, size_t row_cnt,
-                                    ColumnInserterFn inserter) {
-    CHECK(dst.is_finalized());
-    if (!src.is_finalized()) {
-        const_cast<ColumnObject&>(src).finalize();
-    }
-    // Use rows() here instead of size(), since size() will check_consistency
-    // but we could not check_consistency since num_rows will be upgraded even
-    // if src and dst is empty, we just increase the num_rows of dst and fill
-    // num_rows of default values when meet new data
-    size_t num_rows = dst.rows();
-    for (auto& entry : dst.get_subcolumns()) {
-        const auto* src_subcol = src.get_subcolumn(entry->path);
-        if (src_subcol == nullptr) {
-            entry->data.get_finalized_column().insert_many_defaults(row_cnt);
-        } else {
-            // It's the first time alignment, so that we should build it
-            if (entry->data.get_least_common_type()->get_type_id() == TypeIndex::Nothing) {
-                entry->data.add_new_column_part(src_subcol->get_least_common_type());
-            }
-            // TODO handle type confict here， like ColumnObject before
-            CHECK(entry->data.get_least_common_type()->equals(
-                    *src_subcol->get_least_common_type()));
-            const auto& src_column = src_subcol->get_finalized_column();
-            inserter(src_column, &entry->data.get_finalized_column());
-        }
-        dst.set_num_rows(entry->data.get_finalized_column().size());
-    }
-    for (const auto& entry : src.get_subcolumns()) {
-        // encounter a new column
-        const auto* dst_subcol = dst.get_subcolumn(entry->path);
-        if (dst_subcol == nullptr) {
-            auto type = entry->data.get_least_common_type();
-            auto new_column = type->create_column();
-            new_column->insert_many_defaults(num_rows);
-            inserter(entry->data.get_finalized_column(), new_column.get());
-            dst.set_num_rows(new_column->size());
-            dst.add_sub_column(entry->path, std::move(new_column));
-        }
-    }
-    num_rows += row_cnt;
-    if (dst.empty()) {
-        dst.incr_num_rows(row_cnt);
-    }
-#ifndef NDEBUG
-    // Check all columns rows matched
-    for (const auto& entry : dst.get_subcolumns()) {
-        DCHECK_EQ(entry->data.get_finalized_column().size(), num_rows);
-    }
-#endif
-}
-
 void ColumnObject::append_data_by_selector(MutableColumnPtr& res,
                                            const IColumn::Selector& selector) const {
-    // append by selector with alignment
-    ColumnObject& dst_column = *assert_cast<ColumnObject*>(res.get());
-    align_variant_by_name_and_type(dst_column, *this, selector.size(),
-                                   [&selector](const IColumn& src, IColumn* dst) {
-                                       auto mutable_dst = dst->assume_mutable();
-                                       src.append_data_by_selector(mutable_dst, selector);
-                                   });
+    return append_data_by_selector_impl<ColumnObject>(res, selector);
 }
 
 void ColumnObject::insert_indices_from(const IColumn& src, const int* indices_begin,
                                        const int* indices_end) {
-    // insert_indices_from with alignment
-    const ColumnObject& src_column = *check_and_get_column<ColumnObject>(src);
-    align_variant_by_name_and_type(*this, src_column, indices_end - indices_begin,
-                                   [indices_begin, indices_end](const IColumn& src, IColumn* dst) {
-                                       dst->insert_indices_from(src, indices_begin, indices_end);
-                                   });
+    for (auto x = indices_begin; x != indices_end; ++x) {
+        if (*x == -1) {
+            ColumnObject::insert_default();
+        } else {
+            ColumnObject::insert_from(src, *x);
+        }
+    }
 }
 
 void ColumnObject::insert_indices_from_join(const IColumn& src, const uint32_t* indices_begin,
diff --git a/be/src/vec/columns/column_object.h b/be/src/vec/columns/column_object.h
index c279042251..30c524555f 100644
--- a/be/src/vec/columns/column_object.h
+++ b/be/src/vec/columns/column_object.h
@@ -337,8 +337,19 @@ public:
         return finalized;
     }
 
+    void finalize_if_not();
+
     void clear() override;
 
+    void clear_subcolumns_data();
+
+    std::string get_name() const override {
+        if (is_scalar_variant()) {
+            return "var_scalar(" + get_root()->get_name() + ")";
+        }
+        return "variant";
+    }
+
     /// Part of interface
     const char* get_family_name() const override { return "Variant"; }
 
@@ -447,9 +458,7 @@ public:
         LOG(FATAL) << "should not call the method in column object";
     }
 
-    void replicate(const uint32_t* indexs, size_t target_size, IColumn& column) const override {
-        LOG(FATAL) << "not support";
-    }
+    void replicate(const uint32_t* indexs, size_t target_size, IColumn& column) const override;
 
     template <typename Func>
     MutableColumnPtr apply_for_subcolumns(Func&& func) const;
diff --git a/be/src/vec/columns/subcolumn_tree.h b/be/src/vec/columns/subcolumn_tree.h
index a9a37cdf41..f895b94ded 100644
--- a/be/src/vec/columns/subcolumn_tree.h
+++ b/be/src/vec/columns/subcolumn_tree.h
@@ -116,6 +116,8 @@ public:
         leaves.push_back(root);
     }
 
+    void add_leaf(const NodePtr& node) { leaves.push_back(node); }
+
     bool add(const PathInData& path, const NodeCreator& node_creator) {
         const auto& parts = path.get_parts();
 
@@ -218,6 +220,7 @@ public:
 
     const Nodes& get_leaves() const { return leaves; }
     const Node* get_root() const { return root.get(); }
+    const NodePtr& get_root_ptr() const { return root; }
     Node* get_mutable_root() { return root.get(); }
 
     static void get_leaves_of_node(const Node* node, std::vector<const Node*>& nodes,
diff --git a/be/src/vec/common/schema_util.cpp b/be/src/vec/common/schema_util.cpp
index a42181e967..2c678f7051 100644
--- a/be/src/vec/common/schema_util.cpp
+++ b/be/src/vec/common/schema_util.cpp
@@ -31,8 +31,10 @@
 #include <rapidjson/writer.h>
 
 #include <algorithm>
+#include <cstdint>
 #include <memory>
 #include <ostream>
+#include <unordered_map>
 #include <unordered_set>
 #include <utility>
 #include <vector>
@@ -163,15 +165,26 @@ Status cast_column(const ColumnWithTypeAndName& arg, const DataTypePtr& type, Co
     // Variant column is a really special case, src type is nullable but dst variant type is none nullable,
     // but we still need to wrap nullmap into variant root column to prevent from nullable info lost.
     // TODO rethink and better handle this sepecial situation
-    if (arg.type->is_nullable() && WhichDataType(type).is_variant_type()) {
+    if (arg.type->is_nullable() && WhichDataType(remove_nullable(type)).is_variant_type()) {
         auto variant = ColumnObject::create(true);
-        auto& old_variant = assert_cast<const ColumnObject&>(*(*result)->assume_mutable());
+        auto& old_variant =
+                (*result)->is_nullable()
+                        ? assert_cast<const ColumnObject&>(
+                                  assert_cast<const ColumnNullable&>(**result).get_nested_column())
+                        : assert_cast<const ColumnObject&>(*(*result)->assume_mutable());
         DCHECK(!old_variant.get_root()->is_nullable());
         auto nullable = ColumnNullable::create(
                 old_variant.get_root(),
                 assert_cast<const ColumnNullable&>(*arg.column).get_null_map_column_ptr());
         variant->create_root(make_nullable(arg.type), nullable->assume_mutable());
-        *result = std::move(variant);
+        if ((*result)->is_nullable()) {
+            *result = ColumnNullable::create(std::move(variant),
+                                             assert_cast<const ColumnNullable&>(*arg.column)
+                                                     .get_null_map_column_ptr()
+                                                     ->clone_resized(nullable->size()));
+        } else {
+            *result = std::move(variant);
+        }
     }
     return Status::OK();
 }
@@ -213,9 +226,17 @@ void get_column_by_type(const vectorized::DataTypePtr& data_type, const std::str
         return;
     }
     // TODO handle more types like struct/date/datetime/decimal...
+    LOG(FATAL) << "__builtin_unreachable";
     __builtin_unreachable();
 }
 
+TabletColumn get_column_by_type(const vectorized::DataTypePtr& data_type, const std::string& name,
+                                const ExtraInfo& ext_info) {
+    TabletColumn result;
+    get_column_by_type(data_type, name, result, ext_info);
+    return result;
+}
+
 TabletColumn get_least_type_column(const TabletColumn& original, const DataTypePtr& new_type,
                                    const ExtraInfo& ext_info, bool* changed) {
     TabletColumn result_column;
@@ -289,45 +310,115 @@ void update_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
         TabletColumn common_column;
         // const std::string& column_name = variant_col_name + "." + tuple_paths[i].get_path();
         get_column_by_type(tuple_types[i], tuple_paths[i].get_path(), common_column,
-                           ExtraInfo {.unique_id = -1,
+                           ExtraInfo {.unique_id = variant_col_unique_id,
                                       .parent_unique_id = variant_col_unique_id,
                                       .path_info = tuple_paths[i]});
         common_schema->append_column(common_column);
     }
 }
 
-void get_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
-                             TabletSchemaSPtr& common_schema) {
-    // Pick tablet schema with max schema version
-    const TabletSchemaSPtr base_schema =
-            *std::max_element(schemas.cbegin(), schemas.cend(),
-                              [](const TabletSchemaSPtr a, const TabletSchemaSPtr b) {
-                                  return a->schema_version() < b->schema_version();
-                              });
-    CHECK(base_schema);
-    CHECK(common_schema);
-    common_schema->copy_from(*base_schema);
-    // Merge columns from other schemas
-    common_schema->clear_columns();
-    std::vector<int32_t> variant_column_unique_id;
-    // Get all columns without extracted columns and collect variant col unique id
-    for (const TabletColumn& col : base_schema->columns()) {
-        if (col.is_variant_type()) {
-            variant_column_unique_id.push_back(col.unique_id());
+void inherit_tablet_index(TabletSchemaSPtr& schema) {
+    std::unordered_map<int32_t, TabletIndex> variants_index_meta;
+    // Get all variants tablet index metas if exist
+    for (const auto& col : schema->columns()) {
+        auto index_meta = schema->get_inverted_index(col.unique_id(), "");
+        if (col.is_variant_type() && index_meta != nullptr) {
+            variants_index_meta.emplace(col.unique_id(), *index_meta);
         }
+    }
+
+    // Add index meta if extracted column is missing index meta
+    for (const auto& col : schema->columns()) {
         if (!col.is_extracted_column()) {
-            common_schema->append_column(col);
+            continue;
+        }
+        auto it = variants_index_meta.find(col.parent_unique_id());
+        // variant has no index meta, ignore
+        if (it == variants_index_meta.end()) {
+            continue;
+        }
+        auto index_meta = schema->get_inverted_index(col);
+        // add index meta
+        TabletIndex index_info = it->second;
+        index_info.set_escaped_escaped_index_suffix_path(col.path_info().get_path());
+        if (index_meta != nullptr) {
+            // already exist
+            schema->update_index(col, index_info);
+        } else {
+            schema->append_index(index_info);
         }
     }
-    for (int32_t unique_id : variant_column_unique_id) {
-        update_least_common_schema(schemas, common_schema, unique_id);
+}
+
+TabletSchemaSPtr get_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
+                                         const TabletSchemaSPtr& base_schema) {
+    auto output_schema = std::make_shared<TabletSchema>();
+    std::vector<int32_t> variant_column_unique_id;
+    if (base_schema == nullptr) {
+        // Pick tablet schema with max schema version
+        auto max_version_schema =
+                *std::max_element(schemas.cbegin(), schemas.cend(),
+                                  [](const TabletSchemaSPtr a, const TabletSchemaSPtr b) {
+                                      return a->schema_version() < b->schema_version();
+                                  });
+        CHECK(max_version_schema);
+        output_schema->copy_from(*max_version_schema);
+        // Merge columns from other schemas
+        output_schema->clear_columns();
+        // Get all columns without extracted columns and collect variant col unique id
+        for (const TabletColumn& col : max_version_schema->columns()) {
+            if (col.is_variant_type()) {
+                variant_column_unique_id.push_back(col.unique_id());
+            }
+            if (!col.is_extracted_column()) {
+                output_schema->append_column(col);
+            }
+        }
+    } else {
+        // use input common schema as base schema
+        // Get all columns without extracted columns and collect variant col unique id
+        for (const TabletColumn& col : base_schema->columns()) {
+            if (col.is_variant_type()) {
+                variant_column_unique_id.push_back(col.unique_id());
+            }
+        }
+        output_schema->copy_from(*base_schema);
     }
+
+    for (int32_t unique_id : variant_column_unique_id) {
+        update_least_common_schema(schemas, output_schema, unique_id);
+    }
+
+    inherit_tablet_index(output_schema);
+    return output_schema;
+}
+
+Status parse_and_encode_variant_columns(Block& block, const std::vector<int>& variant_pos) {
+    try {
+        // Parse each variant column from raw string column
+        vectorized::schema_util::parse_variant_columns(block, variant_pos);
+        vectorized::schema_util::finalize_variant_columns(block, variant_pos,
+                                                          false /*not ingore sparse*/);
+        vectorized::schema_util::encode_variant_sparse_subcolumns(block, variant_pos);
+    } catch (const doris::Exception& e) {
+        // TODO more graceful, max_filter_ratio
+        LOG(WARNING) << "encounter execption " << e.to_string();
+        return Status::InternalError(e.to_string());
+    }
+    return Status::OK();
 }
 
 void parse_variant_columns(Block& block, const std::vector<int>& variant_pos) {
     for (int i = 0; i < variant_pos.size(); ++i) {
-        auto& column = block.get_by_position(variant_pos[i]).column;
-        const auto& root = *assert_cast<const ColumnObject&>(*column.get()).get_root();
+        const auto& column_ref = block.get_by_position(variant_pos[i]).column;
+        bool is_nullable = column_ref->is_nullable();
+        const auto& column = remove_nullable(column_ref);
+        const auto& var = assert_cast<const ColumnObject&>(*column.get());
+        if (!var.is_scalar_variant()) {
+            // already parsed
+            continue;
+        }
+        const auto& root = *var.get_root();
         const auto& raw_json_column =
                 root.is_nullable()
                         ? static_cast<const ColumnString&>(
@@ -335,24 +426,39 @@ void parse_variant_columns(Block& block, const std::vector<int>& variant_pos) {
                         : static_cast<const ColumnString&>(root);
         MutableColumnPtr variant_column = ColumnObject::create(true);
         parse_json_to_variant(*variant_column.get(), raw_json_column);
-        block.get_by_position(variant_pos[i]).column = variant_column->get_ptr();
-        block.get_by_position(variant_pos[i]).type = std::make_shared<DataTypeObject>("json", true);
+        // Wrap variant with nullmap if it is nullable
+        ColumnPtr result = variant_column->get_ptr();
+        if (is_nullable) {
+            const auto& null_map =
+                    assert_cast<const ColumnNullable&>(*column_ref).get_null_map_column_ptr();
+            result = ColumnNullable::create(result, null_map);
+        }
+        block.get_by_position(variant_pos[i]).column = result;
+        // block.get_by_position(variant_pos[i]).type = std::make_shared<DataTypeObject>("json", true);
     }
 }
 
 void finalize_variant_columns(Block& block, const std::vector<int>& variant_pos,
                               bool ignore_sparse) {
     for (int i = 0; i < variant_pos.size(); ++i) {
-        auto& column = assert_cast<ColumnObject&>(
-                block.get_by_position(variant_pos[i]).column->assume_mutable_ref());
+        auto& column_ref = block.get_by_position(variant_pos[i]).column->assume_mutable_ref();
+        auto& column =
+                column_ref.is_nullable()
+                        ? assert_cast<ColumnObject&>(
+                                  assert_cast<ColumnNullable&>(column_ref).get_nested_column())
+                        : assert_cast<ColumnObject&>(column_ref);
         column.finalize(ignore_sparse);
     }
 }
 
 void encode_variant_sparse_subcolumns(Block& block, const std::vector<int>& variant_pos) {
     for (int i = 0; i < variant_pos.size(); ++i) {
-        auto& column = assert_cast<ColumnObject&>(
-                block.get_by_position(variant_pos[i]).column->assume_mutable_ref());
+        auto& column_ref = block.get_by_position(variant_pos[i]).column->assume_mutable_ref();
+        auto& column =
+                column_ref.is_nullable()
+                        ? assert_cast<ColumnObject&>(
+                                  assert_cast<ColumnNullable&>(column_ref).get_nested_column())
+                        : assert_cast<ColumnObject&>(column_ref);
         // Make sure the root node is jsonb storage type
         auto expected_root_type = make_nullable(std::make_shared<ColumnObject::MostCommonType>());
         column.ensure_root_node_type(expected_root_type);
@@ -388,4 +494,11 @@ Status extract(ColumnPtr source, const PathInData& path, MutableColumnPtr& dst)
 }
 // ---------------------------
 
+std::string dump_column(DataTypePtr type, const ColumnPtr& col) {
+    Block tmp;
+    tmp.insert(ColumnWithTypeAndName {col, type, col->get_name()});
+    return tmp.dump_data(0, tmp.rows());
+}
+// ---------------------------
+
 } // namespace doris::vectorized::schema_util
diff --git a/be/src/vec/common/schema_util.h b/be/src/vec/common/schema_util.h
index bdf43adaac..d5d01b57ed 100644
--- a/be/src/vec/common/schema_util.h
+++ b/be/src/vec/common/schema_util.h
@@ -75,16 +75,18 @@ struct ExtraInfo {
     int32_t parent_unique_id = -1;
     vectorized::PathInData path_info;
 };
-void get_column_by_type(const vectorized::DataTypePtr& data_type, const std::string& name,
-                        TabletColumn& column, const ExtraInfo& ext_info);
+
+TabletColumn get_column_by_type(const vectorized::DataTypePtr& data_type, const std::string& name,
+                                const ExtraInfo& ext_info);
 
 TabletColumn get_least_type_column(const TabletColumn& original, const DataTypePtr& new_type,
                                    const ExtraInfo& ext_info, bool* changed);
 
-// Two steps to parse variant columns into flatterned columns
+// thread steps to parse and encode variant columns into flatterned columns
 // 1. parse variant from raw json string
 // 2. finalize variant column to each subcolumn least commn types, default ignore sparse sub columns
 // 2. encode sparse sub columns
+Status parse_and_encode_variant_columns(Block& block, const std::vector<int>& variant_pos);
 void parse_variant_columns(Block& block, const std::vector<int>& variant_pos);
 void finalize_variant_columns(Block& block, const std::vector<int>& variant_pos,
                               bool ignore_sparse = true);
@@ -92,16 +94,22 @@ void encode_variant_sparse_subcolumns(Block& block, const std::vector<int>& vari
 
 // Pick the tablet schema with the highest schema version as the reference.
 // Then update all variant columns to there least common types.
-// Return the final merged schema as common schema
-void get_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
-                             TabletSchemaSPtr& common_schema);
+// Return the final merged schema as common schema.
+// If base_schema == nullptr then, max schema version tablet schema will be picked as base schema
+TabletSchemaSPtr get_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
+                                         const TabletSchemaSPtr& base_schema);
 
 // Get least common types for extracted columns which has Path info,
 // with a speicified variant column's unique id
 void update_least_common_schema(const std::vector<TabletSchemaSPtr>& schemas,
                                 TabletSchemaSPtr& common_schema, int32_t variant_col_unique_id);
 
+// inherit index info from it's parent column
+void inherit_tablet_index(TabletSchemaSPtr& schema);
+
 // Extract json data from source with path
 Status extract(ColumnPtr source, const PathInData& path, MutableColumnPtr& dst);
 
+std::string dump_column(DataTypePtr type, const ColumnPtr& col);
+
 } // namespace  doris::vectorized::schema_util
diff --git a/be/src/vec/core/block.h b/be/src/vec/core/block.h
index e125706cbe..6c7fa80cb8 100644
--- a/be/src/vec/core/block.h
+++ b/be/src/vec/core/block.h
@@ -136,35 +136,6 @@ public:
     }
     const ColumnWithTypeAndName& get_by_position(size_t position) const { return data[position]; }
 
-    // need exception safety
-    Status copy_column_data_to_block(doris::vectorized::IColumn* input_col_ptr,
-                                     uint16_t* sel_rowid_idx, uint16_t select_size, int block_cid,
-                                     size_t batch_size) {
-        // Only the additional deleted filter condition need to materialize column be at the end of the block
-        // We should not to materialize the column of query engine do not need. So here just return OK.
-        // Eg:
-        //      `delete from table where a = 10;`
-        //      `select b from table;`
-        // a column only effective in segment iterator, the block from query engine only contain the b column.
-        // so the `block_cid >= data.size()` is true
-        if (block_cid >= data.size()) {
-            return Status::OK();
-        }
-
-        MutableColumnPtr raw_res_ptr = this->get_by_position(block_cid).column->assume_mutable();
-        raw_res_ptr->reserve(batch_size);
-
-        // adapt for outer join change column to nullable
-        if (raw_res_ptr->is_nullable() && !input_col_ptr->is_nullable()) {
-            auto col_ptr_nullable =
-                    reinterpret_cast<vectorized::ColumnNullable*>(raw_res_ptr.get());
-            col_ptr_nullable->get_null_map_column().insert_many_defaults(select_size);
-            raw_res_ptr = col_ptr_nullable->get_nested_column_ptr();
-        }
-
-        return input_col_ptr->filter_by_selector(sel_rowid_idx, select_size, raw_res_ptr);
-    }
-
     void replace_by_position(size_t position, ColumnPtr&& res) {
         this->get_by_position(position).column = std::move(res);
     }
diff --git a/be/src/vec/core/columns_with_type_and_name.h b/be/src/vec/core/columns_with_type_and_name.h
index e77ec4930b..c70775fcae 100644
--- a/be/src/vec/core/columns_with_type_and_name.h
+++ b/be/src/vec/core/columns_with_type_and_name.h
@@ -20,12 +20,16 @@
 
 #pragma once
 
+#include <string>
+#include <utility>
 #include <vector>
 
 #include "vec/core/column_with_type_and_name.h"
+#include "vec/data_types/data_type.h"
 
 namespace doris::vectorized {
 
 using ColumnsWithTypeAndName = std::vector<ColumnWithTypeAndName>;
+using NameAndTypePair = std::pair<std::string, DataTypePtr>;
 
-}
+} // namespace doris::vectorized
diff --git a/be/src/vec/data_types/data_type_decimal.h b/be/src/vec/data_types/data_type_decimal.h
index fa45539e7e..c8921c4eba 100644
--- a/be/src/vec/data_types/data_type_decimal.h
+++ b/be/src/vec/data_types/data_type_decimal.h
@@ -178,7 +178,10 @@ public:
         if constexpr (std::is_same_v<TypeId<T>, TypeId<Decimal128I>>) {
             return doris::FieldType::OLAP_FIELD_TYPE_DECIMAL128I;
         }
-        __builtin_unreachable();
+        if constexpr (std::is_same_v<TypeId<T>, TypeId<Decimal256>>) {
+            return doris::FieldType::OLAP_FIELD_TYPE_DECIMAL256;
+        }
+        return doris::FieldType::OLAP_FIELD_TYPE_DECIMAL;
     }
 
     int64_t get_uncompressed_serialized_bytes(const IColumn& column,
diff --git a/be/src/vec/data_types/data_type_factory.cpp b/be/src/vec/data_types/data_type_factory.cpp
index 8b86fa1403..fc31712817 100644
--- a/be/src/vec/data_types/data_type_factory.cpp
+++ b/be/src/vec/data_types/data_type_factory.cpp
@@ -162,7 +162,8 @@ DataTypePtr DataTypeFactory::create_data_type(const TypeDescriptor& col_desc, bo
         nested = std::make_shared<vectorized::DataTypeFloat64>();
         break;
     case TYPE_VARIANT:
-        return std::make_shared<vectorized::DataTypeObject>("", true);
+        nested = std::make_shared<vectorized::DataTypeObject>("", true);
+        break;
     case TYPE_STRING:
     case TYPE_CHAR:
     case TYPE_VARCHAR:
@@ -302,7 +303,8 @@ DataTypePtr DataTypeFactory::create_data_type(const TypeIndex& type_index, bool
         nested = std::make_shared<vectorized::DataTypeString>();
         break;
     case TypeIndex::VARIANT:
-        return std::make_shared<vectorized::DataTypeObject>("", true);
+        nested = std::make_shared<vectorized::DataTypeObject>("", true);
+        break;
     case TypeIndex::Decimal32:
         nested = std::make_shared<DataTypeDecimal<Decimal32>>(BeConsts::MAX_DECIMAL32_PRECISION, 0);
         break;
@@ -400,7 +402,8 @@ DataTypePtr DataTypeFactory::_create_primitive_data_type(const FieldType& type,
         result = std::make_shared<vectorized::DataTypeString>();
         break;
     case FieldType::OLAP_FIELD_TYPE_VARIANT:
-        return std::make_shared<vectorized::DataTypeObject>("", true);
+        result = std::make_shared<vectorized::DataTypeObject>("", true);
+        break;
     case FieldType::OLAP_FIELD_TYPE_JSONB:
         result = std::make_shared<vectorized::DataTypeJsonb>();
         break;
@@ -479,7 +482,8 @@ DataTypePtr DataTypeFactory::create_data_type(const PColumnMeta& pcolumn) {
         nested = std::make_shared<DataTypeString>();
         break;
     case PGenericType::VARIANT:
-        return std::make_shared<DataTypeObject>("", true);
+        nested = std::make_shared<DataTypeObject>("", true);
+        break;
     case PGenericType::JSONB:
         nested = std::make_shared<DataTypeJsonb>();
         break;
diff --git a/be/src/vec/data_types/data_type_ipv4.h b/be/src/vec/data_types/data_type_ipv4.h
index 4f0c44dfaf..d2bd3e487c 100644
--- a/be/src/vec/data_types/data_type_ipv4.h
+++ b/be/src/vec/data_types/data_type_ipv4.h
@@ -25,6 +25,7 @@
 #include <string>
 
 #include "common/status.h"
+#include "olap/olap_common.h"
 #include "runtime/define_primitive_type.h"
 #include "vec/core/types.h"
 #include "vec/data_types/data_type.h"
@@ -47,6 +48,10 @@ public:
     const char* get_family_name() const override { return "IPv4"; }
     std::string do_get_name() const override { return "IPv4"; }
 
+    doris::FieldType get_storage_field_type() const override {
+        return doris::FieldType::OLAP_FIELD_TYPE_IPV4;
+    }
+
     bool equals(const IDataType& rhs) const override;
     std::string to_string(const IColumn& column, size_t row_num) const override;
     void to_string(const IColumn& column, size_t row_num, BufferWritable& ostr) const override;
diff --git a/be/src/vec/data_types/data_type_ipv6.h b/be/src/vec/data_types/data_type_ipv6.h
index b6cf52f7b8..f849dab98a 100755
--- a/be/src/vec/data_types/data_type_ipv6.h
+++ b/be/src/vec/data_types/data_type_ipv6.h
@@ -45,6 +45,9 @@ namespace doris::vectorized {
 class DataTypeIPv6 final : public DataTypeNumberBase<IPv6> {
 public:
     TypeIndex get_type_id() const override { return TypeIndex::IPv6; }
+    doris::FieldType get_storage_field_type() const override {
+        return doris::FieldType::OLAP_FIELD_TYPE_IPV6;
+    }
     const char* get_family_name() const override { return "IPv6"; }
     std::string do_get_name() const override { return "IPv6"; }
 
diff --git a/be/src/vec/data_types/data_type_number_base.h b/be/src/vec/data_types/data_type_number_base.h
index 8099ac4ba0..4ec30a3ef9 100644
--- a/be/src/vec/data_types/data_type_number_base.h
+++ b/be/src/vec/data_types/data_type_number_base.h
@@ -99,6 +99,10 @@ public:
     }
 
     doris::FieldType get_storage_field_type() const override {
+        // Doris does not support uint8 at present, use uint8 as boolean type
+        if constexpr (std::is_same_v<TypeId<T>, TypeId<UInt8>>) {
+            return doris::FieldType::OLAP_FIELD_TYPE_BOOL;
+        }
         if constexpr (std::is_same_v<TypeId<T>, TypeId<Int8>>) {
             return doris::FieldType::OLAP_FIELD_TYPE_TINYINT;
         }
@@ -120,6 +124,7 @@ public:
         if constexpr (std::is_same_v<TypeId<T>, TypeId<Float64>>) {
             return doris::FieldType::OLAP_FIELD_TYPE_DOUBLE;
         }
+        LOG(FATAL) << "__builtin_unreachable";
         __builtin_unreachable();
     }
 
diff --git a/be/src/vec/data_types/data_type_object.cpp b/be/src/vec/data_types/data_type_object.cpp
index bfe071475f..c0405242fc 100644
--- a/be/src/vec/data_types/data_type_object.cpp
+++ b/be/src/vec/data_types/data_type_object.cpp
@@ -47,10 +47,7 @@ namespace doris::vectorized {
 DataTypeObject::DataTypeObject(const String& schema_format_, bool is_nullable_)
         : schema_format(to_lower(schema_format_)), is_nullable(is_nullable_) {}
 bool DataTypeObject::equals(const IDataType& rhs) const {
-    if (const auto* object = typeid_cast<const DataTypeObject*>(&rhs)) {
-        return schema_format == object->schema_format && is_nullable == object->is_nullable;
-    }
-    return false;
+    return typeid_cast<const DataTypeObject*>(&rhs) != nullptr;
 }
 
 int64_t DataTypeObject::get_uncompressed_serialized_bytes(const IColumn& column,
diff --git a/be/src/vec/data_types/serde/data_type_jsonb_serde.cpp b/be/src/vec/data_types/serde/data_type_jsonb_serde.cpp
index 5e7902ed6d..b3f67d5e99 100644
--- a/be/src/vec/data_types/serde/data_type_jsonb_serde.cpp
+++ b/be/src/vec/data_types/serde/data_type_jsonb_serde.cpp
@@ -199,7 +199,7 @@ void DataTypeJsonbSerDe::write_one_cell_to_json(const IColumn& column, rapidjson
     auto& data = assert_cast<const ColumnString&>(column);
     const auto jsonb_val = data.get_data_at(row_num);
     if (jsonb_val.empty()) {
-        result.SetNull();
+        return;
     }
     JsonbValue* val = JsonbDocument::createValue(jsonb_val.data, jsonb_val.size);
     if (val == nullptr) {
diff --git a/be/src/vec/exec/scan/new_olap_scan_node.cpp b/be/src/vec/exec/scan/new_olap_scan_node.cpp
index af4c780757..be06280d79 100644
--- a/be/src/vec/exec/scan/new_olap_scan_node.cpp
+++ b/be/src/vec/exec/scan/new_olap_scan_node.cpp
@@ -22,6 +22,7 @@
 #include <gen_cpp/Metrics_types.h>
 #include <gen_cpp/Types_types.h>
 #include <gen_cpp/olap_file.pb.h>
+#include <parallel_hashmap/phmap.h>
 #include <stdio.h>
 
 #include <algorithm>
@@ -31,6 +32,7 @@
 #include <unordered_map>
 #include <utility>
 #include <variant>
+#include <vector>
 
 #include "common/config.h"
 #include "common/logging.h"
@@ -44,6 +46,7 @@
 #include "olap/tablet.h"
 #include "olap/tablet_manager.h"
 #include "runtime/decimalv2_value.h"
+#include "runtime/define_primitive_type.h"
 #include "runtime/query_statistics.h"
 #include "runtime/runtime_state.h"
 #include "runtime/types.h"
@@ -54,9 +57,11 @@
 #include "vec/columns/column_const.h"
 #include "vec/common/string_ref.h"
 #include "vec/exec/scan/new_olap_scanner.h"
+#include "vec/exprs/vcast_expr.h"
 #include "vec/exprs/vectorized_fn_call.h"
 #include "vec/exprs/vexpr.h"
 #include "vec/exprs/vexpr_context.h"
+#include "vec/exprs/vslot_ref.h"
 
 namespace doris {
 class DescriptorTbl;
@@ -414,6 +419,51 @@ std::string NewOlapScanNode::get_name() {
     return fmt::format("VNewOlapScanNode({0})", _olap_scan_node.table_name);
 }
 
+void NewOlapScanNode::_filter_and_collect_cast_type_for_variant(
+        const VExpr* expr,
+        phmap::flat_hash_map<std::string, std::vector<PrimitiveType>>& colname_to_cast_types) {
+    auto* cast_expr = dynamic_cast<const VCastExpr*>(expr);
+    if (cast_expr != nullptr) {
+        auto* src_slot = cast_expr->get_child(0)->node_type() == TExprNodeType::SLOT_REF
+                                 ? dynamic_cast<const VSlotRef*>(cast_expr->get_child(0).get())
+                                 : nullptr;
+        if (src_slot == nullptr) {
+            return;
+        }
+        std::vector<SlotDescriptor*> slots = _output_tuple_desc->slots();
+        SlotDescriptor* src_slot_desc = _slot_id_to_slot_desc[src_slot->slot_id()];
+        PrimitiveType cast_dst_type =
+                cast_expr->get_target_type()->get_type_as_type_descriptor().type;
+        if (src_slot_desc->type().is_variant_type()) {
+            colname_to_cast_types[src_slot_desc->col_name()].push_back(cast_dst_type);
+        }
+    }
+    for (const auto& child : expr->children()) {
+        _filter_and_collect_cast_type_for_variant(child.get(), colname_to_cast_types);
+    }
+}
+
+void NewOlapScanNode::get_cast_types_for_variants() {
+    phmap::flat_hash_map<std::string, std::vector<PrimitiveType>> colname_to_cast_types;
+    for (auto it = _conjuncts.begin(); it != _conjuncts.end();) {
+        auto& conjunct = *it;
+        if (conjunct->root()) {
+            _filter_and_collect_cast_type_for_variant(conjunct->root().get(),
+                                                      colname_to_cast_types);
+        }
+        ++it;
+    }
+    // cast to one certain type for variant could utilize fully predicates performance
+    // when storage layer type equals to cast type
+    for (const auto& [name, types] : colname_to_cast_types) {
+        // If cast to multiple types detected, then we should not elimate cast to predicate
+        // but let the  expr to handle such case
+        if (types.size() == 1) {
+            _cast_types_for_variants[name] = types[0];
+        }
+    }
+}
+
 Status NewOlapScanNode::_init_scanners(std::list<VScannerSPtr>* scanners) {
     if (_scan_ranges.empty()) {
         _eos = true;
diff --git a/be/src/vec/exec/scan/new_olap_scan_node.h b/be/src/vec/exec/scan/new_olap_scan_node.h
index 93039c6182..06b68497b5 100644
--- a/be/src/vec/exec/scan/new_olap_scan_node.h
+++ b/be/src/vec/exec/scan/new_olap_scan_node.h
@@ -102,6 +102,14 @@ protected:
 
     void add_filter_info(int id, const PredicateFilterInfo& info);
 
+    // For some conjunct there is chance to elimate cast operator
+    // Eg. Variant's sub column could eliminate cast in storage layer if
+    // cast dst column type equals storage column type
+    void get_cast_types_for_variants() override;
+    void _filter_and_collect_cast_type_for_variant(
+            const VExpr* expr,
+            phmap::flat_hash_map<std::string, std::vector<PrimitiveType>>& colname_to_cast_types);
+
 private:
     Status _build_key_ranges_and_filters();
 
diff --git a/be/src/vec/exec/scan/new_olap_scanner.cpp b/be/src/vec/exec/scan/new_olap_scanner.cpp
index 53417039c8..de4aa3e27f 100644
--- a/be/src/vec/exec/scan/new_olap_scanner.cpp
+++ b/be/src/vec/exec/scan/new_olap_scanner.cpp
@@ -53,6 +53,7 @@
 #include "service/backend_options.h"
 #include "util/doris_metrics.h"
 #include "util/runtime_profile.h"
+#include "vec/common/schema_util.h"
 #include "vec/core/block.h"
 #include "vec/exec/scan/new_olap_scan_node.h"
 #include "vec/exec/scan/vscan_node.h"
@@ -143,7 +144,8 @@ Status NewOlapScanner::init() {
                 _parent ? parent->_olap_scan_node : local_state->olap_scan_node();
         if (olap_scan_node.__isset.schema_version && olap_scan_node.__isset.columns_desc &&
             !olap_scan_node.columns_desc.empty() &&
-            olap_scan_node.columns_desc[0].col_unique_id >= 0) {
+            olap_scan_node.columns_desc[0].col_unique_id >= 0 &&
+            tablet->tablet_schema()->num_variant_columns() == 0) {
             schema_key = SchemaCache::get_schema_key(
                     tablet->tablet_id(), olap_scan_node.columns_desc, olap_scan_node.schema_version,
                     SchemaCache::Type::TABLET_SCHEMA);
@@ -256,6 +258,7 @@ Status NewOlapScanner::_init_tablet_reader_params(
                                              push_down_agg_type != TPushAggOp::COUNT_ON_INDEX);
     }
 
+    RETURN_IF_ERROR(_init_variant_columns());
     RETURN_IF_ERROR(_init_return_columns());
 
     _tablet_reader_params.reader_type = ReaderType::READER_QUERY;
@@ -277,7 +280,9 @@ Status NewOlapScanner::_init_tablet_reader_params(
     _tablet_reader_params.output_columns =
             _parent ? ((NewOlapScanNode*)_parent)->_maybe_read_column_ids
                     : ((pipeline::OlapScanLocalState*)_local_state)->_maybe_read_column_ids;
-
+    _tablet_reader_params.target_cast_type_for_variants =
+            _parent ? ((NewOlapScanNode*)_parent)->_cast_types_for_variants
+                    : ((pipeline::OlapScanLocalState*)_local_state)->_cast_types_for_variants;
     // Condition
     for (auto& filter : filters) {
         _tablet_reader_params.conditions.push_back(filter);
@@ -406,6 +411,47 @@ Status NewOlapScanner::_init_tablet_reader_params(
     return Status::OK();
 }
 
+vectorized::PathInData NewOlapScanner::_build_path(SlotDescriptor* slot,
+                                                   const std::string& root_name) {
+    PathInDataBuilder path_builder;
+    path_builder.append(root_name, false);
+    for (const std::string& path : slot->column_paths()) {
+        path_builder.append(path, false);
+    }
+    return path_builder.build();
+}
+
+Status NewOlapScanner::_init_variant_columns() {
+    auto& tablet_schema = _tablet_reader_params.tablet_schema;
+    // Parent column has path info to distinction from each other
+    for (auto slot : _output_tuple_desc->slots()) {
+        if (!slot->is_materialized()) {
+            continue;
+        }
+        if (!slot->need_materialize()) {
+            continue;
+        }
+        if (slot->type().is_variant_type()) {
+            // Such columns are not exist in frontend schema info, so we need to
+            // add them into tablet_schema for later column indexing.
+            TabletColumn subcol;
+            subcol.set_type(FieldType::OLAP_FIELD_TYPE_VARIANT);
+            subcol.set_is_nullable(true);
+            subcol.set_unique_id(-1);
+            subcol.set_parent_unique_id(slot->col_unique_id());
+            PathInData path = _build_path(
+                    slot, tablet_schema->column_by_uid(slot->col_unique_id()).name_lower_case());
+            subcol.set_path_info(path);
+            subcol.set_name(path.get_path());
+            if (tablet_schema->field_index(path) < 0) {
+                tablet_schema->append_column(subcol, TabletSchema::ColumnType::VARIANT);
+            }
+        }
+        schema_util::inherit_tablet_index(tablet_schema);
+    }
+    return Status::OK();
+}
+
 Status NewOlapScanner::_init_return_columns() {
     for (auto* slot : _output_tuple_desc->slots()) {
         if (!slot->is_materialized()) {
@@ -414,10 +460,17 @@ Status NewOlapScanner::_init_return_columns() {
         if (!slot->need_materialize()) {
             continue;
         }
+
+        // variant column using path to index a column
+        int32_t index = 0;
         auto& tablet_schema = _tablet_reader_params.tablet_schema;
-        int32_t index = slot->col_unique_id() >= 0
-                                ? tablet_schema->field_index(slot->col_unique_id())
-                                : tablet_schema->field_index(slot->col_name());
+        if (slot->type().is_variant_type()) {
+            index = tablet_schema->field_index(_build_path(
+                    slot, tablet_schema->column_by_uid(slot->col_unique_id()).name_lower_case()));
+        } else {
+            index = slot->col_unique_id() >= 0 ? tablet_schema->field_index(slot->col_unique_id())
+                                               : tablet_schema->field_index(slot->col_name());
+        }
 
         if (index < 0) {
             return Status::InternalError(
diff --git a/be/src/vec/exec/scan/new_olap_scanner.h b/be/src/vec/exec/scan/new_olap_scanner.h
index e4864b67f4..36e6475fca 100644
--- a/be/src/vec/exec/scan/new_olap_scanner.h
+++ b/be/src/vec/exec/scan/new_olap_scanner.h
@@ -93,6 +93,8 @@ private:
                                       const std::vector<FunctionFilter>& function_filters);
 
     [[nodiscard]] Status _init_return_columns();
+    vectorized::PathInData _build_path(SlotDescriptor* slot, const std::string& root_name);
+    [[nodiscard]] Status _init_variant_columns();
 
     std::vector<OlapScanRange*> _key_ranges;
 
diff --git a/be/src/vec/exec/scan/scanner_scheduler.cpp b/be/src/vec/exec/scan/scanner_scheduler.cpp
index 4d798b747e..b3cfc2e48a 100644
--- a/be/src/vec/exec/scan/scanner_scheduler.cpp
+++ b/be/src/vec/exec/scan/scanner_scheduler.cpp
@@ -360,7 +360,6 @@ void ScannerScheduler::_scanner_scan(ScannerScheduler* scheduler, ScannerContext
         BlockUPtr block = ctx->get_free_block();
 
         status = scanner->get_block(state, block.get(), &eos);
-        VLOG_ROW << "VScanNode input rows: " << block->rows() << ", eos: " << eos;
         // The VFileScanner for external table may try to open not exist files,
         // Because FE file cache for external table may out of date.
         // So, NOT_FOUND for VFileScanner is not a fail case.
@@ -371,6 +370,7 @@ void ScannerScheduler::_scanner_scan(ScannerScheduler* scheduler, ScannerContext
             LOG(WARNING) << "Scan thread read VScanner failed: " << status.to_string();
             break;
         }
+        VLOG_ROW << "VScanNode input rows: " << block->rows() << ", eos: " << eos;
         if (status.is<ErrorCode::NOT_FOUND>()) {
             // The only case in this "if" branch is external table file delete and fe cache has not been updated yet.
             // Set status to OK.
diff --git a/be/src/vec/exec/scan/vscan_node.cpp b/be/src/vec/exec/scan/vscan_node.cpp
index 305bafe10f..42d9b227fe 100644
--- a/be/src/vec/exec/scan/vscan_node.cpp
+++ b/be/src/vec/exec/scan/vscan_node.cpp
@@ -25,6 +25,7 @@
 #include <string.h>
 
 #include <algorithm>
+#include <memory>
 #include <mutex>
 #include <ostream>
 #include <variant>
@@ -37,6 +38,7 @@
 #include "exprs/bloom_filter_func.h"
 #include "exprs/hybrid_set.h"
 #include "exprs/runtime_filter.h"
+#include "runtime/define_primitive_type.h"
 #include "runtime/descriptors.h"
 #include "runtime/exec_env.h"
 #include "runtime/primitive_type.h"
@@ -78,6 +80,11 @@ static bool ignore_cast(SlotDescriptor* slot, VExpr* expr) {
     if (slot->type().is_string_type() && expr->type().is_string_type()) {
         return true;
     }
+    // Variant slot cast could be eliminated
+    // We could use predicate to speed up query, so ignore cast to build predicate
+    if (slot->type().is_variant_type()) {
+        return true;
+    }
     if (slot->type().is_array_type()) {
         if (slot->type().children[0].type == expr->type().type) {
             return true;
@@ -362,24 +369,14 @@ Status VScanNode::_normalize_conjuncts() {
     // The conjuncts is always on output tuple, so use _output_tuple_desc;
     std::vector<SlotDescriptor*> slots = _output_tuple_desc->slots();
 
-    for (int slot_idx = 0; slot_idx < slots.size(); ++slot_idx) {
-        _colname_to_slot_id[slots[slot_idx]->col_name()] = slots[slot_idx]->id();
-
-        auto type = slots[slot_idx]->type().type;
-        if (slots[slot_idx]->type().type == TYPE_ARRAY) {
-            type = slots[slot_idx]->type().children[0].type;
-            if (type == TYPE_ARRAY) {
-                continue;
-            }
-        }
+    auto init_value_range = [&](SlotDescriptor* slot, PrimitiveType type) {
         switch (type) {
-#define M(NAME)                                                                              \
-    case TYPE_##NAME: {                                                                      \
-        ColumnValueRange<TYPE_##NAME> range(                                                 \
-                slots[slot_idx]->col_name(), slots[slot_idx]->is_nullable(),                 \
-                slots[slot_idx]->type().precision, slots[slot_idx]->type().scale);           \
-        _slot_id_to_value_range[slots[slot_idx]->id()] = std::pair {slots[slot_idx], range}; \
-        break;                                                                               \
+#define M(NAME)                                                                          \
+    case TYPE_##NAME: {                                                                  \
+        ColumnValueRange<TYPE_##NAME> range(slot->col_name(), slot->is_nullable(),       \
+                                            slot->type().precision, slot->type().scale); \
+        _slot_id_to_value_range[slot->id()] = std::pair {slot, range};                   \
+        break;                                                                           \
     }
 #define APPLY_FOR_PRIMITIVE_TYPE(M) \
     M(TINYINT)                      \
@@ -404,11 +401,29 @@ Status VScanNode::_normalize_conjuncts() {
             APPLY_FOR_PRIMITIVE_TYPE(M)
 #undef M
         default: {
-            VLOG_CRITICAL << "Unsupported Normalize Slot [ColName=" << slots[slot_idx]->col_name()
-                          << "]";
+            VLOG_CRITICAL << "Unsupported Normalize Slot [ColName=" << slot->col_name() << "]";
             break;
         }
         }
+    };
+
+    for (int slot_idx = 0; slot_idx < slots.size(); ++slot_idx) {
+        _colname_to_slot_id[slots[slot_idx]->col_name()] = slots[slot_idx]->id();
+        _slot_id_to_slot_desc[slots[slot_idx]->id()] = slots[slot_idx];
+
+        auto type = slots[slot_idx]->type().type;
+        if (slots[slot_idx]->type().type == TYPE_ARRAY) {
+            type = slots[slot_idx]->type().children[0].type;
+            if (type == TYPE_ARRAY) {
+                continue;
+            }
+        }
+        init_value_range(slots[slot_idx], slots[slot_idx]->type().type);
+    }
+
+    get_cast_types_for_variants();
+    for (const auto& [colname, type] : _cast_types_for_variants) {
+        init_value_range(_slot_id_to_slot_desc[_colname_to_slot_id[colname]], type);
     }
 
     for (auto it = _conjuncts.begin(); it != _conjuncts.end();) {
@@ -494,6 +509,14 @@ Status VScanNode::_normalize_predicate(const VExprSPtr& conjunct_expr_root, VExp
                 output_expr = nullptr;
                 return Status::OK();
             }
+            std::shared_ptr<VSlotRef> slotref;
+            for (const auto& child : cur_expr->children()) {
+                if (VExpr::expr_without_cast(child)->node_type() != TExprNodeType::SLOT_REF) {
+                    // not a slot ref(column)
+                    continue;
+                }
+                slotref = std::dynamic_pointer_cast<VSlotRef>(VExpr::expr_without_cast(child));
+            }
             if (_is_predicate_acting_on_slot(cur_expr, in_predicate_checker, &slot, &range) ||
                 _is_predicate_acting_on_slot(cur_expr, eq_predicate_checker, &slot, &range)) {
                 Status status = Status::OK();
@@ -553,6 +576,14 @@ Status VScanNode::_normalize_predicate(const VExprSPtr& conjunct_expr_root, VExp
                 return Status::OK();
             }
 
+            if (pdt == PushDownType::ACCEPTABLE && slotref != nullptr &&
+                slotref->type().is_variant_type()) {
+                // remaining it in the expr tree, in order to filter by function if the pushdown
+                // predicate is not applied
+                output_expr = conjunct_expr_root; // remaining in conjunct tree
+                return Status::OK();
+            }
+
             if (pdt == PushDownType::ACCEPTABLE &&
                 (_is_key_column(slot->col_name()) || _storage_no_merge())) {
                 output_expr = nullptr;
diff --git a/be/src/vec/exec/scan/vscan_node.h b/be/src/vec/exec/scan/vscan_node.h
index 7ef0656956..187381f450 100644
--- a/be/src/vec/exec/scan/vscan_node.h
+++ b/be/src/vec/exec/scan/vscan_node.h
@@ -244,6 +244,11 @@ protected:
 
     Status _prepare_scanners(const int query_parallel_instance_num);
 
+    // For some conjunct there is chance to elimate cast operator
+    // Eg. Variant's sub column could eliminate cast in storage layer if
+    // cast dst column type equals storage column type
+    virtual void get_cast_types_for_variants() {}
+
     bool _is_pipeline_scan = false;
     bool _shared_scan_opt = false;
 
@@ -270,10 +275,15 @@ protected:
     // Save all function predicates which may be pushed down to data source.
     std::vector<FunctionFilter> _push_down_functions;
 
+    // colname -> cast dst type
+    std::map<std::string, PrimitiveType> _cast_types_for_variants;
+
     // slot id -> ColumnValueRange
     // Parsed from conjuncts
     phmap::flat_hash_map<int, std::pair<SlotDescriptor*, ColumnValueRangeType>>
             _slot_id_to_value_range;
+    // slot id -> SlotDescriptor
+    phmap::flat_hash_map<int, SlotDescriptor*> _slot_id_to_slot_desc;
     // column -> ColumnValueRange
     // We use _colname_to_value_range to store a column and its conresponding value ranges.
     std::unordered_map<std::string, ColumnValueRangeType> _colname_to_value_range;
diff --git a/be/src/vec/exprs/vcast_expr.cpp b/be/src/vec/exprs/vcast_expr.cpp
index 361833120b..47733a177d 100644
--- a/be/src/vec/exprs/vcast_expr.cpp
+++ b/be/src/vec/exprs/vcast_expr.cpp
@@ -79,6 +79,10 @@ doris::Status VCastExpr::prepare(doris::RuntimeState* state, const doris::RowDes
     return Status::OK();
 }
 
+const DataTypePtr& VCastExpr::get_target_type() const {
+    return _target_data_type;
+}
+
 doris::Status VCastExpr::open(doris::RuntimeState* state, VExprContext* context,
                               FunctionContext::FunctionStateScope scope) {
     for (int i = 0; i < _children.size(); ++i) {
diff --git a/be/src/vec/exprs/vcast_expr.h b/be/src/vec/exprs/vcast_expr.h
index b031c819dc..3c03cb42ff 100644
--- a/be/src/vec/exprs/vcast_expr.h
+++ b/be/src/vec/exprs/vcast_expr.h
@@ -20,6 +20,7 @@
 
 #include "common/object_pool.h"
 #include "common/status.h"
+#include "runtime/define_primitive_type.h"
 #include "udf/udf.h"
 #include "vec/aggregate_functions/aggregate_function.h"
 #include "vec/data_types/data_type.h"
@@ -50,6 +51,7 @@ public:
     void close(VExprContext* context, FunctionContext::FunctionStateScope scope) override;
     const std::string& expr_name() const override;
     std::string debug_string() const override;
+    const DataTypePtr& get_target_type() const;
 
 private:
     FunctionBasePtr _function;
diff --git a/be/src/vec/functions/function_cast.h b/be/src/vec/functions/function_cast.h
index 5b355cc266..1a24595b2d 100644
--- a/be/src/vec/functions/function_cast.h
+++ b/be/src/vec/functions/function_cast.h
@@ -2047,8 +2047,13 @@ private:
                             {0}, 1, input_rows_count);
                 }
             } else {
-                // Could not cast to any other types when it hierarchical like '{"a" : 1}'
-                if (!data_type_to->is_nullable() && !WhichDataType(data_type_to).is_string()) {
+                if (variant.empty()) {
+                    // TODO not found root cause, a tmp fix
+                    col_to->assume_mutable()->insert_many_defaults(input_rows_count);
+                    col_to = make_nullable(col_to, true);
+                } else if (!data_type_to->is_nullable() &&
+                           !WhichDataType(data_type_to).is_string()) {
+                    // Could not cast to any other types when it hierarchical like '{"a" : 1}'
                     // TODO we should convert as many as possible here, for examle
                     // this variant column's root is a number column, to convert to number column
                     // is also acceptable
@@ -2086,7 +2091,6 @@ private:
             // set variant root column/type to from column/type
             auto variant = ColumnObject::create(true /*always nullable*/);
             variant->create_root(from_type, col_from->assume_mutable());
-
             block.replace_by_position(result, std::move(variant));
             return Status::OK();
         }
@@ -2258,11 +2262,6 @@ private:
         }
 
         bool skip_not_null_check = false;
-        if (from_nested->is_nullable() && WhichDataType(to_type).is_variant_type()) {
-            /// Disable check for variant. Will check that column doesn't contain NULL in wrapper below.
-            skip_not_null_check = true;
-        }
-
         auto wrapper =
                 prepare_remove_nullable(context, from_nested, to_nested, skip_not_null_check);
 
diff --git a/be/src/vec/json/json_parser.cpp b/be/src/vec/json/json_parser.cpp
index 9f89f1b861..515cd44757 100644
--- a/be/src/vec/json/json_parser.cpp
+++ b/be/src/vec/json/json_parser.cpp
@@ -96,7 +96,7 @@ void JSONDataParser<ParserImpl, parse_nested>::traverse(const Element& element,
     } else if (element.isArray()) {
         has_nested = false;
         checkHasNested(element);
-        if (has_nested && !parse_nested && !config::enable_flatten_nested_for_variant) {
+        if (has_nested && !parse_nested && !config::variant_enable_flatten_nested) {
             // Parse nested arrays to JsonbField
             JsonbWriter writer;
             traverseArrayAsJsonb(element.getArray(), writer);
diff --git a/be/src/vec/olap/olap_data_convertor.cpp b/be/src/vec/olap/olap_data_convertor.cpp
index cc879d24eb..2820cca53c 100644
--- a/be/src/vec/olap/olap_data_convertor.cpp
+++ b/be/src/vec/olap/olap_data_convertor.cpp
@@ -1061,16 +1061,24 @@ Status OlapBlockDataConvertor::OlapColumnDataConvertorMap::convert_to_olap(
 void OlapBlockDataConvertor::OlapColumnDataConvertorVariant::set_source_column(
         const ColumnWithTypeAndName& typed_column, size_t row_pos, size_t num_rows) {
     // set
-    auto variant = assert_cast<const ColumnObject&>(*typed_column.column);
-    if (!variant.is_finalized()) {
-        variant.finalize();
+    const ColumnNullable* nullable_column = nullptr;
+    if (typed_column.column->is_nullable()) {
+        nullable_column = assert_cast<const ColumnNullable*>(typed_column.column.get());
+        _nullmap = nullable_column->get_null_map_data().data();
     }
-    auto root = variant.get_root();
-    auto nullable = assert_cast<const ColumnNullable*>(root.get());
+    const auto& variant =
+            nullable_column == nullptr
+                    ? assert_cast<const vectorized::ColumnObject&>(*typed_column.column)
+                    : assert_cast<const vectorized::ColumnObject&>(
+                              nullable_column->get_nested_column());
+
+    const_cast<ColumnObject&>(variant).finalize_if_not();
+    auto root_of_variant = variant.get_root();
+    auto nullable = assert_cast<const ColumnNullable*>(root_of_variant.get());
     CHECK(nullable);
     _root_data_column = assert_cast<const ColumnString*>(&nullable->get_nested_column());
-    _nullmap = nullable->get_null_map_data().data();
-    _root_data_convertor->set_source_column({root->get_ptr(), nullptr, ""}, row_pos, num_rows);
+    _root_data_convertor->set_source_column({root_of_variant->get_ptr(), nullptr, ""}, row_pos,
+                                            num_rows);
     OlapBlockDataConvertor::OlapColumnDataConvertorBase::set_source_column(typed_column, row_pos,
                                                                            num_rows);
 }
diff --git a/be/src/vec/olap/olap_data_convertor.h b/be/src/vec/olap/olap_data_convertor.h
index 0041d28ca2..979b8d13fd 100644
--- a/be/src/vec/olap/olap_data_convertor.h
+++ b/be/src/vec/olap/olap_data_convertor.h
@@ -495,7 +495,9 @@ private:
         const void* get_data_at(size_t offset) const override;
 
     private:
+        // encodes sparsed columns
         const ColumnString* _root_data_column;
+        // _nullmap contains null info for this variant
         std::unique_ptr<OlapColumnDataConvertorVarChar> _root_data_convertor;
     };
 
diff --git a/docs/en/docs/admin-manual/config/be-config.md b/docs/en/docs/admin-manual/config/be-config.md
index 2250c06115..cccd7b9ff1 100644
--- a/docs/en/docs/admin-manual/config/be-config.md
+++ b/docs/en/docs/admin-manual/config/be-config.md
@@ -1464,11 +1464,6 @@ Indicates how many tablets failed to load in the data directory. At the same tim
 * Description: Default dirs to put jdbc drivers.
 * Default value: `${DORIS_HOME}/jdbc_drivers`
 
-#### `enable_parse_multi_dimession_array`
-
-* Description: Whether parse multidimensional array, if false encountering will return ERROR
-* Default value: true
-
 #### `enable_simdjson_reader`
 
 * Description: Whether enable simdjson to parse json while stream load
diff --git a/docs/zh-CN/docs/admin-manual/config/be-config.md b/docs/zh-CN/docs/admin-manual/config/be-config.md
index 586958e3a6..058b66ef71 100644
--- a/docs/zh-CN/docs/admin-manual/config/be-config.md
+++ b/docs/zh-CN/docs/admin-manual/config/be-config.md
@@ -1493,11 +1493,6 @@ load tablets from header failed, failed tablets size: xxx, path=xxx
 * 描述: 存放 jdbc driver 的默认目录。
 * 默认值: `${DORIS_HOME}/jdbc_drivers`
 
-#### `enable_parse_multi_dimession_array`
-
-* 描述: 在动态表中是否解析多维数组，如果是false遇到多维数组则会报错。
-* 默认值: true
-
 #### `enable_simdjson_reader`
 
 * 描述: 是否在导入json数据时用simdjson来解析。
diff --git a/fe/fe-core/src/main/cup/sql_parser.cup b/fe/fe-core/src/main/cup/sql_parser.cup
index b47880fe92..3a7b5b1b5f 100644
--- a/fe/fe-core/src/main/cup/sql_parser.cup
+++ b/fe/fe-core/src/main/cup/sql_parser.cup
@@ -440,6 +440,7 @@ terminal String
     KW_JOIN,
     KW_JSON,
     KW_JSONB,
+    KW_VARIANT,
     KW_KEY,
     KW_KEYS,
     KW_KILL,
@@ -766,6 +767,7 @@ nonterminal String sequence_col_clause;
 nonterminal Predicate predicate, between_predicate, comparison_predicate,
   compound_predicate, in_predicate, like_predicate, exists_predicate, match_predicate;
 nonterminal ArrayList<Expr> opt_partition_by_clause;
+nonterminal ArrayList<String> sub_column_path;
 nonterminal Expr having_clause;
 nonterminal ArrayList<OrderByElement> order_by_elements, order_by_clause;
 nonterminal OrderByElement order_by_element;
@@ -966,6 +968,7 @@ precedence nonassoc KW_WITH;
 
 precedence left KW_FULL, KW_MERGE;
 precedence left DOT;
+precedence left COLON;
 precedence left SET_VAR;
 precedence left KW_OR;
 precedence left KW_AND;
@@ -6270,6 +6273,8 @@ type ::=
   {: RESULT = ScalarType.createJsonbType(); :}
   | KW_TEXT
   {: RESULT = ScalarType.createStringType(); :}
+  | KW_VARIANT
+  {: RESULT = ScalarType.createVariantType(); :}
   | KW_VARCHAR LPAREN INTEGER_LITERAL:len RPAREN
   {: ScalarType type = ScalarType.createVarcharType(len.intValue());
      RESULT = type;
@@ -7071,6 +7076,18 @@ compound_predicate ::=
   {: RESULT = new CompoundPredicate(CompoundPredicate.Operator.NOT, e, null); :}
   ;
 
+sub_column_path ::=
+    ident: subcol
+    {:
+        RESULT = Lists.newArrayList(subcol);
+    :}
+    | sub_column_path:list DOT ident:subcol
+    {:
+        list.add(subcol);
+        RESULT = list;
+    :}
+    ;
+
 column_ref ::=
   ident:col
   {: RESULT = new SlotRef(null, col); :}
@@ -7081,6 +7098,16 @@ column_ref ::=
   {: RESULT = new SlotRef(new TableName(null, db, tbl), col); :}
   | ident:ctl DOT ident:db DOT ident:tbl DOT ident:col
   {: RESULT = new SlotRef(new TableName(ctl, db, tbl), col); :}
+
+  | ident:pcol COLON sub_column_path:lables
+  {: RESULT = new SlotRef(null, pcol, lables); :} 
+  // table_name:tblName DOT IDENT:pcol causes reduce/reduce conflicts
+  | ident:tbl DOT ident:pcol COLON sub_column_path:lables
+  {: RESULT = new SlotRef(new TableName(null, null, tbl), pcol, lables); :}
+  | ident:db DOT ident:tbl DOT ident:pcol COLON sub_column_path:lables
+  {: RESULT = new SlotRef(new TableName(null, db, tbl), pcol, lables); :}
+  | ident:ctl DOT ident:db DOT ident:tbl DOT ident:pcol COLON sub_column_path:lables
+  {: RESULT = new SlotRef(new TableName(ctl, db, tbl), pcol, lables); :}
   ;
 
 column_ref_list ::=
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
index 99c436aeb1..4e648bf1db 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
@@ -91,6 +91,7 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashSet;
 import java.util.IdentityHashMap;
 import java.util.Iterator;
@@ -124,6 +125,11 @@ public class Analyzer {
     // map from lowercase qualified column name ("alias.col") to descriptor
     private final Map<String, SlotDescriptor>  slotRefMap = Maps.newTreeMap(String.CASE_INSENSITIVE_ORDER);
 
+    // Notice: it's case sensitive
+    // Variant column name -> Paths of sub columns
+    private final Map<String, Map<List<String>, SlotDescriptor>> subColumnSlotRefMap
+                                           = Maps.newTreeMap(String.CASE_INSENSITIVE_ORDER);
+
     // map from tuple id to list of conjuncts referencing tuple
     private final Map<TupleId, List<ExprId>> tuplePredicates = Maps.newHashMap();
     // map from slot id to list of conjuncts referencing slot
@@ -922,7 +928,8 @@ public class Analyzer {
      * @param colName
      * @throws AnalysisException
      */
-    public SlotDescriptor registerColumnRef(TableName tblName, String colName) throws AnalysisException {
+    public SlotDescriptor registerColumnRef(TableName tblName, String colName, List<String> subColNames)
+                throws AnalysisException {
         TupleDescriptor d;
         TableName newTblName = tblName;
         if (newTblName == null) {
@@ -1004,11 +1011,55 @@ public class Analyzer {
                                                 newTblName == null ? d.getTable().getName() : newTblName.toString());
         }
 
+        LOG.debug("register column ref table {}, colName {}, col {}", tblName, colName, col.toSql());
+        if (col.getType().isVariantType() || (subColNames != null && !subColNames.isEmpty())) {
+            if (!col.getType().isVariantType()) {
+                ErrorReport.reportAnalysisException(ErrorCode.ERR_ILLEGAL_COLUMN_REFERENCE_ERROR,
+                        Joiner.on(".").join(tblName.getTbl(), colName));
+            }
+            if (subColNames == null) {
+                // Root
+                subColNames = new ArrayList<String>();
+            }
+            String key = d.getAlias() + "." + col.getName();
+            if (subColumnSlotRefMap.get(key) == null) {
+                subColumnSlotRefMap.put(key, Maps.newTreeMap(
+                    new Comparator<List<String>>() {
+                        public int compare(List<String> lst1, List<String> lst2) {
+                            Iterator<String> it1 = lst1.iterator();
+                            Iterator<String> it2 = lst2.iterator();
+                            while (it1.hasNext() && it2.hasNext()) {
+                                int result = it1.next().compareTo(it2.next());
+                                if (result != 0) {
+                                    return result;
+                                }
+                            }
+                            return Integer.compare(lst1.size(), lst2.size());
+                        }
+                    }));
+            }
+            SlotDescriptor result = subColumnSlotRefMap.get(key).get(subColNames);
+            if (result != null) {
+                // avoid duplicate slots
+                return result;
+            }
+            result = globalState.descTbl.addSlotDescriptor(d);
+            LOG.debug("register slot descriptor {}", result);
+            result.setSubColLables(subColNames);
+            result.setColumn(col);
+            if (!subColNames.isEmpty()) {
+                result.setMaterializedColumnName(col.getName() + "." + String.join(".", subColNames));
+            }
+            result.setIsMaterialized(true);
+            result.setIsNullable(col.isAllowNull());
+            subColumnSlotRefMap.get(key).put(subColNames, result);
+            return result;
+        }
+
         // Make column name case insensitive
         String key = d.getAlias() + "." + col.getName();
         SlotDescriptor result = slotRefMap.get(key);
         if (result != null) {
-            result.setMultiRef(true);
             return result;
         }
         result = globalState.descTbl.addSlotDescriptor(d);
@@ -1032,7 +1083,6 @@ public class Analyzer {
         String key = colName;
         SlotDescriptor result = slotRefMap.get(key);
         if (result != null) {
-            result.setMultiRef(true);
             return result;
         }
         result = addSlotDescriptor(tupleDescriptor);
@@ -1110,6 +1160,7 @@ public class Analyzer {
         result.setStats(srcSlotDesc.getStats());
         result.setType(srcSlotDesc.getType());
         result.setIsNullable(srcSlotDesc.getIsNullable());
+        result.setSubColLables(srcSlotDesc.getSubColLables());
         if (srcSlotDesc.getColumn() != null) {
             result.setColumn(srcSlotDesc.getColumn());
         }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/Expr.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/Expr.java
index 26f75d460a..fc4e46d314 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/Expr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/Expr.java
@@ -1019,6 +1019,10 @@ public abstract class Expr extends TreeNode<Expr> implements ParseNode, Cloneabl
         return toSql();
     }
 
+    public List<String> toSubColumnLabel() {
+        return Lists.newArrayList();
+    }
+
     // Convert this expr, including all children, to its Thrift representation.
     public TExpr treeToThrift() {
         TExpr result = new TExpr();
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/IndexDef.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/IndexDef.java
index ab1584c5f7..f0ae827bc5 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/IndexDef.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/IndexDef.java
@@ -219,7 +219,8 @@ public class IndexDef {
                 colType = ((ArrayType) column.getType()).getItemType().getPrimitiveType();
             }
             if (!(colType.isDateType() || colType.isDecimalV2Type() || colType.isDecimalV3Type()
-                    || colType.isFixedPointType() || colType.isStringType() || colType == PrimitiveType.BOOLEAN)) {
+                    || colType.isFixedPointType() || colType.isStringType() || colType == PrimitiveType.BOOLEAN
+                    || colType.isVariantType())) {
                 throw new AnalysisException(colType + " is not supported in " + indexType.toString() + " index. "
                         + "invalid column: " + indexColName);
             } else if (indexType == IndexType.INVERTED
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/InlineViewRef.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/InlineViewRef.java
index 4274ed37f3..d331e090b1 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/InlineViewRef.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/InlineViewRef.java
@@ -56,6 +56,7 @@ public class InlineViewRef extends TableRef {
     // and column labels used in the query definition. Either all or none of the column
     // labels must be overridden.
     private List<String> explicitColLabels;
+    private List<List<String>> explicitSubColPath;
 
     // ///////////////////////////////////////
     // BEGIN: Members that need to be reset()
@@ -97,6 +98,7 @@ public class InlineViewRef extends TableRef {
     public InlineViewRef(String alias, QueryStmt queryStmt, List<String> colLabels) {
         this(alias, queryStmt);
         explicitColLabels = Lists.newArrayList(colLabels);
+        LOG.debug("inline view explicitColLabels {}", explicitColLabels);
     }
 
     /**
@@ -153,6 +155,12 @@ public class InlineViewRef extends TableRef {
         return queryStmt.getColLabels();
     }
 
+    public List<List<String>> getSubColPath() {
+        if (explicitSubColPath != null) {
+            return explicitSubColPath;
+        }
+        return queryStmt.getSubColPath();
+    }
 
     @Override
     public void reset() {
@@ -227,9 +235,12 @@ public class InlineViewRef extends TableRef {
         // TODO: relax this a bit by allowing propagation out of the inline view (but
         // not into it)
         List<SlotDescriptor> slots = analyzer.changeSlotToNullableOfOuterJoinedTuples();
+        LOG.debug("inline view query {}", queryStmt.toSql());
         for (int i = 0; i < getColLabels().size(); ++i) {
             String colName = getColLabels().get(i);
-            SlotDescriptor slotDesc = analyzer.registerColumnRef(getAliasAsName(), colName);
+            LOG.debug("inline view register {}", colName);
+            SlotDescriptor slotDesc = analyzer.registerColumnRef(getAliasAsName(),
+                                            colName, getSubColPath().get(i));
             Expr colExpr = queryStmt.getResultExprs().get(i);
             if (queryStmt instanceof SelectStmt && ((SelectStmt) queryStmt).getValueList() != null) {
                 ValueList valueList = ((SelectStmt) queryStmt).getValueList();
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
index 4196f774e2..e6fcefb7e0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
@@ -105,7 +105,7 @@ public class InvertedIndexUtil {
             parser = INVERTED_INDEX_PARSER_NONE;
         }
 
-        if (colType.isStringType()) {
+        if (colType.isStringType() || colType.isVariantType()) {
             if (!(parser.equals(INVERTED_INDEX_PARSER_NONE)
                     || parser.equals(INVERTED_INDEX_PARSER_STANDARD)
                         || parser.equals(INVERTED_INDEX_PARSER_UNICODE)
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/QueryStmt.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/QueryStmt.java
index 3850f594c9..f620d1ba94 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/QueryStmt.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/QueryStmt.java
@@ -591,6 +591,8 @@ public abstract class QueryStmt extends StatementBase implements Queriable {
      */
     public abstract ArrayList<String> getColLabels();
 
+    public abstract ArrayList<List<String>> getSubColPath();
+
     /**
      * Returns the materialized tuple ids of the output of this stmt.
      * Used in case this stmt is part of an @InlineViewRef,
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectListItem.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectListItem.java
index 34368c7b17..f0a841df57 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectListItem.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectListItem.java
@@ -22,6 +22,8 @@ package org.apache.doris.analysis;
 
 import com.google.common.base.Preconditions;
 
+import java.util.List;
+
 public class SelectListItem {
     private Expr expr;
     // for "[name.]*"
@@ -149,6 +151,12 @@ public class SelectListItem {
         return "__" + expr.getExprName() + "_" + position;
     }
 
+    public List<String> toSubColumnLabels() {
+        Preconditions.checkState(!isStar());
+        return expr.toSubColumnLabel();
+    }
+
+
     public void setAlias(String alias) {
         this.alias = alias;
     }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectStmt.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectStmt.java
index bb10d22080..1a84a24708 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectStmt.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/SelectStmt.java
@@ -90,6 +90,7 @@ public class SelectStmt extends QueryStmt {
 
     protected SelectList selectList;
     private final ArrayList<String> colLabels; // lower case column labels
+    private final ArrayList<List<String>> subColPath; // case insensitive column labels
     protected FromClause fromClause;
     protected GroupByClause groupByClause;
     private List<Expr> originalExpr;
@@ -145,6 +146,7 @@ public class SelectStmt extends QueryStmt {
         this.selectList = new SelectList();
         this.fromClause = new FromClause();
         this.colLabels = Lists.newArrayList();
+        this.subColPath = Lists.newArrayList();
     }
 
     public SelectStmt(
@@ -171,6 +173,7 @@ public class SelectStmt extends QueryStmt {
         this.havingClause = havingPredicate;
 
         this.colLabels = Lists.newArrayList();
+        this.subColPath = Lists.newArrayList();
         this.havingPred = null;
         this.aggInfo = null;
         this.sortInfo = null;
@@ -191,6 +194,7 @@ public class SelectStmt extends QueryStmt {
                 other.havingClauseAfterAnalyzed != null ? other.havingClauseAfterAnalyzed.clone() : null;
 
         colLabels = Lists.newArrayList(other.colLabels);
+        subColPath = Lists.newArrayList(other.subColPath);
         aggInfo = (other.aggInfo != null) ? other.aggInfo.clone() : null;
         analyticInfo = (other.analyticInfo != null) ? other.analyticInfo.clone() : null;
         sqlString = (other.sqlString != null) ? other.sqlString : null;
@@ -213,6 +217,7 @@ public class SelectStmt extends QueryStmt {
         super.reset();
         selectList.reset();
         colLabels.clear();
+        subColPath.clear();
         fromClause.reset();
         if (whereClause != null) {
             whereClause.reset();
@@ -368,6 +373,12 @@ public class SelectStmt extends QueryStmt {
         return colLabels;
     }
 
+    @Override
+    public ArrayList<List<String>> getSubColPath() {
+        return subColPath;
+    }
+
+
     public ExprSubstitutionMap getBaseTblSmap() {
         return baseTblSmap;
     }
@@ -591,6 +602,7 @@ public class SelectStmt extends QueryStmt {
                     }
                     aliasSMap.put(aliasRef, item.getExpr().clone());
                     colLabels.add(columnLabel);
+                    subColPath.add(item.toSubColumnLabels());
                 }
             }
         }
@@ -632,6 +644,7 @@ public class SelectStmt extends QueryStmt {
                     resultExprs.add(rewriteQueryExprByMvColumnExpr(expr, analyzer));
                 }
                 colLabels.add("col_" + colLabels.size());
+                subColPath.add(expr.toSubColumnLabel());
             }
         }
         // analyze valueList if exists
@@ -816,7 +829,8 @@ public class SelectStmt extends QueryStmt {
             LOG.debug("only support duplicate key or MOW model");
             return false;
         }
-        if (!olapTable.getEnableLightSchemaChange() || !Strings.isNullOrEmpty(olapTable.getStoragePolicy())) {
+        if (!olapTable.getEnableLightSchemaChange() || !Strings.isNullOrEmpty(olapTable.getStoragePolicy())
+                    || olapTable.hasVariantColumns()) {
             return false;
         }
         if (getOrderByElements() != null) {
@@ -1240,6 +1254,8 @@ public class SelectStmt extends QueryStmt {
             slot.setTupleId(desc.getId());
             resultExprs.add(rewriteQueryExprByMvColumnExpr(slot, analyzer));
             colLabels.add(col.getName());
+            // empty sub lables
+            subColPath.add(Lists.newArrayList());
         }
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/SetOperationStmt.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/SetOperationStmt.java
index 984f2c5822..ac2dafd2f8 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/SetOperationStmt.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/SetOperationStmt.java
@@ -797,6 +797,12 @@ public class SetOperationStmt extends QueryStmt {
         return operands.get(0).getQueryStmt().getColLabels();
     }
 
+    @Override
+    public ArrayList<List<String>> getSubColPath() {
+        Preconditions.checkState(operands.size() > 0);
+        return operands.get(0).getQueryStmt().getSubColPath();
+    }
+
     @Override
     public void setNeedToSql(boolean needToSql) {
         super.setNeedToSql(needToSql);
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotDescriptor.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotDescriptor.java
index c5291414b1..6bc544a11f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotDescriptor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotDescriptor.java
@@ -44,6 +44,12 @@ public class SlotDescriptor {
 
     // for SlotRef.toSql() in the absence of a path
     private String label;
+    // for variant column's sub column lables
+    private List<String> subColPath;
+    // materializedColumnName is the target name of a slot
+    // it could be either column name or a composed name for a variant
+    // subcolumn like `a.b.c`
+    private String materializedColumnName;
 
     // Expr(s) materialized into this slot; multiple exprs for unions. Should be empty if
     // path_ is set.
@@ -64,7 +70,6 @@ public class SlotDescriptor {
 
     private ColumnStats stats;  // only set if 'column' isn't set
     private boolean isAgg;
-    private boolean isMultiRef;
     // If set to false, then such slots will be ignored during
     // materialize them.Used to optimize to read less data and less memory usage
     private boolean needMaterialize = true;
@@ -77,7 +82,6 @@ public class SlotDescriptor {
         this.isMaterialized = false;
         this.isNullable = true;
         this.isAgg = false;
-        this.isMultiRef = false;
     }
 
     public SlotDescriptor(SlotId id, TupleDescriptor parent, SlotDescriptor src) {
@@ -95,14 +99,6 @@ public class SlotDescriptor {
         this.sourceExprs.add(new SlotRef(src));
     }
 
-    public boolean isMultiRef() {
-        return isMultiRef;
-    }
-
-    public void setMultiRef(boolean isMultiRef) {
-        this.isMultiRef = isMultiRef;
-    }
-
     public boolean getIsAgg() {
         return isAgg;
     }
@@ -123,6 +119,14 @@ public class SlotDescriptor {
         return id;
     }
 
+    public void setSubColLables(List<String> subColPath) {
+        this.subColPath = subColPath;
+    }
+
+    public List<String> getSubColLables() {
+        return this.subColPath;
+    }
+
     public TupleDescriptor getParent() {
         return parent;
     }
@@ -212,6 +216,10 @@ public class SlotDescriptor {
         this.stats = stats;
     }
 
+    public void setMaterializedColumnName(String name) {
+        this.materializedColumnName = name;
+    }
+
     public ColumnStats getStats() {
         if (stats == null) {
             if (column != null) {
@@ -295,9 +303,10 @@ public class SlotDescriptor {
 
     public TSlotDescriptor toThrift() {
         // Non-nullable slots will have 0 for the byte offset and -1 for the bit mask
+        String colName = materializedColumnName != null ? materializedColumnName :
+                                     ((column != null) ? column.getNonShadowName() : "");
         TSlotDescriptor tSlotDescriptor = new TSlotDescriptor(id.asInt(), parent.getId().asInt(), type.toThrift(), -1,
-                byteOffset, 0, getIsNullable() ? 0 : -1,
-                ((column != null) ? column.getNonShadowName() : ""), slotIdx,
+                byteOffset, 0, getIsNullable() ? 0 : -1, colName, slotIdx,
                 isMaterialized);
         tSlotDescriptor.setNeedMaterialize(needMaterialize);
         tSlotDescriptor.setIsAutoIncrement(isAutoInc);
@@ -308,6 +317,9 @@ public class SlotDescriptor {
             tSlotDescriptor.setIsKey(column.isKey());
             tSlotDescriptor.setColDefaultValue(column.getDefaultValue());
         }
+        if (subColPath != null) {
+            tSlotDescriptor.setColumnPaths(subColPath);
+        }
         return tSlotDescriptor;
     }
 
@@ -318,7 +330,7 @@ public class SlotDescriptor {
         return MoreObjects.toStringHelper(this).add("id", id.asInt()).add("parent", parentTupleId).add("col", colStr)
                 .add("type", typeStr).add("materialized", isMaterialized).add("byteSize", byteSize)
                 .add("byteOffset", byteOffset).add("slotIdx", slotIdx).add("nullable", getIsNullable())
-                .add("isAutoIncrement", isAutoInc).toString();
+                .add("isAutoIncrement", isAutoInc).add("subColPath", subColPath).toString();
     }
 
     @Override
@@ -335,6 +347,7 @@ public class SlotDescriptor {
                 .append(", type=").append(type == null ? "null" : type.toSql())
                 .append(", nullable=").append(isNullable)
                 .append(", isAutoIncrement=").append(isAutoInc)
+                .append(", subColPath=").append(subColPath)
                 .append("}")
                 .toString();
     }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotRef.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotRef.java
index ec5221bf6e..62238b4dfb 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotRef.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/SlotRef.java
@@ -57,6 +57,7 @@ public class SlotRef extends Expr {
     private String col;
     // Used in toSql
     private String label;
+    private List<String> subColPath;
 
     // results of analysis
     protected SlotDescriptor desc;
@@ -73,6 +74,14 @@ public class SlotRef extends Expr {
         this.label = "`" + col + "`";
     }
 
+    public SlotRef(TableName tblName, String col, List<String> subColPath) {
+        super();
+        this.tblName = tblName;
+        this.col = col;
+        this.label = "`" + col + "`";
+        this.subColPath = subColPath;
+    }
+
     // C'tor for a "pre-analyzed" ref to slot that doesn't correspond to
     // a table's column.
     public SlotRef(SlotDescriptor desc) {
@@ -86,6 +95,7 @@ public class SlotRef extends Expr {
         if (this.type.equals(Type.CHAR)) {
             this.type = Type.VARCHAR;
         }
+        this.subColPath = desc.getSubColLables();
         analysisDone();
     }
 
@@ -109,6 +119,7 @@ public class SlotRef extends Expr {
         label = other.label;
         desc = other.desc;
         tupleId = other.tupleId;
+        subColPath = other.subColPath;
     }
 
     @Override
@@ -202,7 +213,7 @@ public class SlotRef extends Expr {
 
     @Override
     public void analyzeImpl(Analyzer analyzer) throws AnalysisException {
-        desc = analyzer.registerColumnRef(tblName, col);
+        desc = analyzer.registerColumnRef(tblName, col, subColPath);
         type = desc.getType();
         if (this.type.equals(Type.CHAR)) {
             this.type = Type.VARCHAR;
@@ -229,6 +240,7 @@ public class SlotRef extends Expr {
         helper.add("type", type.toSql());
         helper.add("label", label);
         helper.add("tblName", tblName != null ? tblName.toSql() : "null");
+        helper.add("subColPath", subColPath);
         return helper.toString();
     }
 
@@ -315,6 +327,10 @@ public class SlotRef extends Expr {
         return this.exprName.get();
     }
 
+    public List<String> toSubColumnLabel() {
+        return subColPath;
+    }
+
     @Override
     protected void toThrift(TExprNode msg) {
         msg.node_type = TExprNodeType.SLOT_REF;
@@ -333,7 +349,14 @@ public class SlotRef extends Expr {
         if (desc != null) {
             return desc.getId().hashCode();
         }
-        return Objects.hashCode((tblName == null ? "" : tblName.toSql() + "." + label).toLowerCase());
+        if (subColPath == null || subColPath.isEmpty()) {
+            return Objects.hashCode((tblName == null ? "" : tblName.toSql() + "." + label).toLowerCase());
+        }
+        int result = Objects.hashCode((tblName == null ? "" : tblName.toSql() + "." + label).toLowerCase());
+        for (String sublabel : subColPath) {
+            result = 31 * result + Objects.hashCode(sublabel);
+        }
+        return result;
     }
 
     @Override
@@ -368,6 +391,13 @@ public class SlotRef extends Expr {
         if (col != null && !col.equalsIgnoreCase(other.col)) {
             return false;
         }
+        if ((subColPath == null) != (other.subColPath == null)) {
+            return false;
+        }
+        if (subColPath != null
+                && subColPath.equals(other.subColPath)) {
+            return false;
+        }
         return true;
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleDescriptor.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleDescriptor.java
index e4e130fc6f..f6b74abfd7 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleDescriptor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleDescriptor.java
@@ -177,6 +177,15 @@ public class TupleDescriptor {
         return null;
     }
 
+    public boolean hasVariantCol() {
+        for (SlotDescriptor slotDesc : slots) {
+            if (slotDesc.getColumn() != null && slotDesc.getColumn().getType().isVariantType()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public TableIf getTable() {
         return table;
     }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java b/fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java
index 94df98f000..744e6cf9ad 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java
@@ -2418,4 +2418,13 @@ public class OlapTable extends Table {
     public boolean needReadLockWhenPlan() {
         return true;
     }
+
+    public boolean hasVariantColumns() {
+        for (Column column : getBaseSchema()) {
+            if (column.getType().isVariantType()) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java b/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
index a06e09e30f..4375105e46 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/MaterializedViewSelector.java
@@ -202,6 +202,17 @@ public class MaterializedViewSelector {
         for (Map.Entry<Long, MaterializedIndexMeta> entry : candidateIndexIdToMeta.entrySet()) {
             result.put(entry.getKey(), entry.getValue().getSchema());
         }
+        // For query like `select v:a from tbl` when column v is variant type but v:a is not expicity
+        // in index, so the above check will filter all index. But we should at least choose the base
+        // index at present.TODO we should better handle it.
+        LOG.debug("result {}, has variant col {}, tuple {}", result,
+                    analyzer.getTupleDesc(scanNode.getTupleId()).hasVariantCol(),
+                    analyzer.getTupleDesc(scanNode.getTupleId()).toString());
+        if (result.keySet().size() == 0 && scanNode.getOlapTable()
+                    .getBaseSchema().stream().anyMatch(column -> column.getType().isVariantType())) {
+            LOG.info("Using base schema");
+            result.put(scanNode.getOlapTable().getBaseIndexId(), scanNode.getOlapTable().getBaseSchema());
+        }
         return result;
     }
 
@@ -577,7 +588,8 @@ public class MaterializedViewSelector {
             candidateIndexSchema
                     .forEach(column -> indexColumnNames.add(CreateMaterializedViewStmt
                             .mvColumnBreaker(MaterializedIndexMeta.normalizeName(column.getName()))));
-
+            LOG.debug("candidateIndexSchema {}, indexColumnNames {}, queryColumnNames {}",
+                            candidateIndexSchema, indexColumnNames, queryColumnNames);
             // Rollup index have no define expr.
             if (entry.getValue().getWhereClause() == null && indexExprs.isEmpty()
                     && !indexColumnNames.containsAll(queryColumnNames)) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java b/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
index 621def175e..66751d6a91 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/service/FrontendServiceImpl.java
@@ -17,9 +17,7 @@
 
 package org.apache.doris.service;
 
-import org.apache.doris.alter.SchemaChangeHandler;
 import org.apache.doris.analysis.AbstractBackupTableRefClause;
-import org.apache.doris.analysis.AddColumnsClause;
 import org.apache.doris.analysis.AddPartitionClause;
 import org.apache.doris.analysis.Analyzer;
 import org.apache.doris.analysis.ColumnDef;
@@ -40,7 +38,6 @@ import org.apache.doris.catalog.Column;
 import org.apache.doris.catalog.Database;
 import org.apache.doris.catalog.DatabaseIf;
 import org.apache.doris.catalog.Env;
-import org.apache.doris.catalog.Index;
 import org.apache.doris.catalog.MaterializedIndex;
 import org.apache.doris.catalog.OlapTable;
 import org.apache.doris.catalog.Partition;
@@ -106,8 +103,6 @@ import org.apache.doris.tablefunction.MetadataGenerator;
 import org.apache.doris.task.StreamLoadTask;
 import org.apache.doris.thrift.FrontendService;
 import org.apache.doris.thrift.FrontendServiceVersion;
-import org.apache.doris.thrift.TAddColumnsRequest;
-import org.apache.doris.thrift.TAddColumnsResult;
 import org.apache.doris.thrift.TAutoIncrementRangeRequest;
 import org.apache.doris.thrift.TAutoIncrementRangeResult;
 import org.apache.doris.thrift.TBackend;
@@ -116,7 +111,6 @@ import org.apache.doris.thrift.TBeginTxnResult;
 import org.apache.doris.thrift.TBinlog;
 import org.apache.doris.thrift.TCheckAuthRequest;
 import org.apache.doris.thrift.TCheckAuthResult;
-import org.apache.doris.thrift.TColumn;
 import org.apache.doris.thrift.TColumnDef;
 import org.apache.doris.thrift.TColumnDesc;
 import org.apache.doris.thrift.TCommitTxnRequest;
@@ -236,15 +230,11 @@ import org.apache.logging.log4j.Logger;
 import org.apache.thrift.TException;
 
 import java.io.StringReader;
-import java.time.Instant;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -255,7 +245,6 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
-import java.util.function.IntSupplier;
 import java.util.stream.Collectors;
 
 // Frontend service used to serve all request for this frontend through
@@ -467,156 +456,6 @@ public class FrontendServiceImpl implements FrontendService.Iface {
                 defaultVal, comment, true);
     }
 
-    @Override
-    public TAddColumnsResult addColumns(TAddColumnsRequest request) throws TException {
-        String clientAddr = getClientAddrAsString();
-        LOG.debug("schema change clientAddr: {}, request: {}", clientAddr, request);
-
-        TStatus status = new TStatus(TStatusCode.OK);
-        List<TColumn> allColumns = new ArrayList<TColumn>();
-
-        Env env = Env.getCurrentEnv();
-        InternalCatalog catalog = env.getInternalCatalog();
-        int schemaVersion = 0;
-        try {
-            if (!env.isMaster()) {
-                status.setStatusCode(TStatusCode.ILLEGAL_STATE);
-                status.addToErrorMsgs("retry rpc request to master.");
-                TAddColumnsResult result = new TAddColumnsResult();
-                result.setStatus(status);
-                return result;
-            }
-            TableName tableName = new TableName("", request.getDbName(), request.getTableName());
-            if (request.getTableId() > 0) {
-                tableName = catalog.getTableNameByTableId(request.getTableId());
-            }
-            if (tableName == null) {
-                throw new MetaNotFoundException("table_id " + request.getTableId() + " does not exist");
-            }
-
-            Database db = catalog.getDbNullable(tableName.getDb());
-            if (db == null) {
-                throw new MetaNotFoundException("db " + tableName.getDb() + " does not exist");
-            }
-
-            List<TColumnDef> addColumns = request.getAddColumns();
-            boolean queryMode = false;
-            if (addColumns == null || addColumns.size() == 0) {
-                queryMode = true;
-            }
-
-            // rpc only olap table
-            OlapTable olapTable = (OlapTable) db.getTableOrMetaException(tableName.getTbl(), TableType.OLAP);
-            olapTable.writeLockOrMetaException();
-
-            try {
-                olapTable.checkNormalStateForAlter();
-                List<ColumnDef> columnDefs = new ArrayList<ColumnDef>();
-
-                // prepare columnDefs
-                for (TColumnDef tColumnDef : addColumns) {
-                    if (request.isAllowTypeConflict()) {
-                        // ignore column with same name
-                        boolean hasSameNameColumn = false;
-                        for (Column column : olapTable.getBaseSchema()) {
-                            if (column.getName().equalsIgnoreCase(tColumnDef.getColumnDesc().getColumnName())) {
-                                hasSameNameColumn = true;
-                            }
-                        }
-                        // ignore this column
-                        if (hasSameNameColumn) {
-                            continue;
-                        }
-                    }
-                    String comment = tColumnDef.getComment();
-                    if (comment == null || comment.length() == 0) {
-                        Instant ins = Instant.ofEpochSecond(System.currentTimeMillis() / 1000);
-                        ZonedDateTime zdt = ins.atZone(ZoneId.systemDefault());
-                        comment = "auto change " + zdt.toString();
-                    }
-
-                    TColumnDesc tColumnDesc = tColumnDef.getColumnDesc();
-                    ColumnDef columnDef = initColumnfromThrift(tColumnDesc, comment);
-                    columnDefs.add(columnDef);
-                }
-
-                if (!queryMode && !columnDefs.isEmpty()) {
-                    // create AddColumnsClause
-                    AddColumnsClause addColumnsClause = new AddColumnsClause(columnDefs, null, null);
-                    addColumnsClause.analyze(null);
-
-                    // index id -> index schema
-                    Map<Long, LinkedList<Column>> indexSchemaMap = new HashMap<>();
-                    // index id -> index col_unique_id supplier
-                    Map<Long, IntSupplier> colUniqueIdSupplierMap = new HashMap<>();
-                    for (Map.Entry<Long, List<Column>> entry : olapTable.getIndexIdToSchema(true).entrySet()) {
-                        indexSchemaMap.put(entry.getKey(), new LinkedList<>(entry.getValue()));
-                        IntSupplier colUniqueIdSupplier = null;
-                        if (olapTable.getEnableLightSchemaChange()) {
-                            colUniqueIdSupplier = new IntSupplier() {
-                                public int pendingMaxColUniqueId = olapTable
-                                        .getIndexMetaByIndexId(entry.getKey()).getMaxColUniqueId();
-
-                                @Override
-                                public int getAsInt() {
-                                    pendingMaxColUniqueId++;
-                                    return pendingMaxColUniqueId;
-                                }
-                            };
-                        }
-                        colUniqueIdSupplierMap.put(entry.getKey(), colUniqueIdSupplier);
-                    }
-                    // 4. call schame change function, only for dynamic table feature.
-                    SchemaChangeHandler schemaChangeHandler = new SchemaChangeHandler();
-
-                    boolean lightSchemaChange = schemaChangeHandler.processAddColumns(
-                            addColumnsClause, olapTable, indexSchemaMap, true, colUniqueIdSupplierMap);
-                    if (lightSchemaChange) {
-                        // for schema change add column optimize, direct modify table meta.
-                        List<Index> newIndexes = olapTable.getCopiedIndexes();
-                        long jobId = Env.getCurrentEnv().getNextId();
-                        Env.getCurrentEnv().getSchemaChangeHandler().modifyTableLightSchemaChange(
-                                "",
-                                db, olapTable, indexSchemaMap, newIndexes, null, false, jobId, false);
-                    } else {
-                        throw new MetaNotFoundException("table_id "
-                                + request.getTableId() + " cannot light schema change through rpc.");
-                    }
-                }
-
-                // 5. build all columns
-                for (Column column : olapTable.getBaseSchema()) {
-                    allColumns.add(column.toThrift());
-                }
-                schemaVersion = olapTable.getBaseSchemaVersion();
-            } catch (Exception e) {
-                LOG.warn("got exception add columns: ", e);
-                status.setStatusCode(TStatusCode.INTERNAL_ERROR);
-                status.addToErrorMsgs(e.getMessage());
-            } finally {
-                olapTable.writeUnlock();
-            }
-        } catch (MetaNotFoundException e) {
-            status.setStatusCode(TStatusCode.NOT_FOUND);
-            status.addToErrorMsgs(e.getMessage());
-        } catch (UserException e) {
-            status.setStatusCode(TStatusCode.INVALID_ARGUMENT);
-            status.addToErrorMsgs(e.getMessage());
-        } catch (Exception e) {
-            LOG.warn("got exception add columns: ", e);
-            status.setStatusCode(TStatusCode.INTERNAL_ERROR);
-            status.addToErrorMsgs(e.getMessage());
-        }
-
-        TAddColumnsResult result = new TAddColumnsResult();
-        result.setStatus(status);
-        result.setTableId(request.getTableId());
-        result.setAllColumns(allColumns);
-        result.setSchemaVersion(schemaVersion);
-        LOG.debug("result: {}", result);
-        return result;
-    }
-
     @LogException
     @Override
     public TGetTablesResult getTableNames(TGetTablesParams params) throws TException {
diff --git a/fe/fe-core/src/main/jflex/sql_scanner.flex b/fe/fe-core/src/main/jflex/sql_scanner.flex
index 23fb26ef47..7ad9845701 100644
--- a/fe/fe-core/src/main/jflex/sql_scanner.flex
+++ b/fe/fe-core/src/main/jflex/sql_scanner.flex
@@ -292,6 +292,7 @@ import org.apache.doris.qe.SqlModeHelper;
         keywordMap.put("join", new Integer(SqlParserSymbols.KW_JOIN));
         keywordMap.put("json", new Integer(SqlParserSymbols.KW_JSON));
         keywordMap.put("jsonb", new Integer(SqlParserSymbols.KW_JSONB));
+        keywordMap.put("variant", new Integer(SqlParserSymbols.KW_VARIANT));
         keywordMap.put("key", new Integer(SqlParserSymbols.KW_KEY));
         keywordMap.put("keys", new Integer(SqlParserSymbols.KW_KEYS));
         keywordMap.put("kill", new Integer(SqlParserSymbols.KW_KILL));
diff --git a/gensrc/proto/internal_service.proto b/gensrc/proto/internal_service.proto
index 2a9260c450..529977f43d 100644
--- a/gensrc/proto/internal_service.proto
+++ b/gensrc/proto/internal_service.proto
@@ -589,6 +589,7 @@ message PTabletWriteSlaveRequest {
     message IndexSize {
         required int64 indexId = 1;
         required int64 size = 2;
+        optional string suffix_path = 3;
     };
 
     message IndexSizeMap{
diff --git a/gensrc/proto/olap_file.proto b/gensrc/proto/olap_file.proto
index 68a792623a..0f24f6b8d2 100644
--- a/gensrc/proto/olap_file.proto
+++ b/gensrc/proto/olap_file.proto
@@ -223,6 +223,7 @@ message TabletIndexPB {
     optional IndexType index_type = 3;
     repeated int32 col_unique_id = 4;
     map<string, string> properties = 5;
+    optional string index_suffix_name = 6;
 }
 
 enum SortType {
diff --git a/gensrc/proto/segment_v2.proto b/gensrc/proto/segment_v2.proto
index c71bedd6d9..4e4ea560d5 100644
--- a/gensrc/proto/segment_v2.proto
+++ b/gensrc/proto/segment_v2.proto
@@ -183,7 +183,7 @@ message ColumnMetaPB {
     // required by array/struct/map reader to create child reader.
     optional uint64 num_rows = 11;
     repeated string children_column_names = 12;
-
+    
     // persist info for PathInData that represents path in document, e.g. JSON.
     optional ColumnPathInfo column_path_info = 13;
 
diff --git a/gensrc/thrift/FrontendService.thrift b/gensrc/thrift/FrontendService.thrift
index e94526b4f1..238ca9018f 100644
--- a/gensrc/thrift/FrontendService.thrift
+++ b/gensrc/thrift/FrontendService.thrift
@@ -905,23 +905,6 @@ struct TFetchSchemaTableDataResult {
   2: optional list<Data.TRow> data_batch;
 }
 
-// Only support base table add columns
-struct TAddColumnsRequest {
-    1: optional i64 table_id
-    2: optional list<TColumnDef> addColumns
-    3: optional string table_name
-    4: optional string db_name
-    5: optional bool allow_type_conflict
-}
-
-// Only support base table add columns
-struct TAddColumnsResult {
-    1: optional Status.TStatus status
-    2: optional i64 table_id
-    3: optional list<Descriptors.TColumn> allColumns
-    4: optional i32 schema_version
-}
-
 struct TMySqlLoadAcquireTokenResult {
     1: optional Status.TStatus status
     2: optional string token
@@ -1354,8 +1337,6 @@ service FrontendService {
 
     TFrontendPingFrontendResult ping(1: TFrontendPingFrontendRequest request)
 
-    TAddColumnsResult addColumns(1: TAddColumnsRequest request)
-
     TInitExternalCtlMetaResult initExternalCtlMeta(1: TInitExternalCtlMetaRequest request)
 
     TFetchSchemaTableDataResult fetchSchemaTableData(1: TFetchSchemaTableDataRequest request)
diff --git a/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs1.out b/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs1.out
new file mode 100644
index 0000000000..4e3b7ce7d5
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs1.out
@@ -0,0 +1,11 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !affinityByIssuesAndPRs1 --
+apache/spark	3	3
+rspec/rspec-core	2	2
+golden-warning/giraffedraft-server	15	1
+rspec/rspec-support	1	1
+rspec/rspec-rails	1	1
+rspec/rspec-mocks	1	1
+rspec/rspec-expectations	1	1
+rspec/rspec-dev	1	1
+
diff --git a/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs2.out b/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs2.out
new file mode 100644
index 0000000000..d825c03556
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/affinityByIssuesAndPRs2.out
@@ -0,0 +1,6 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !affinityByIssuesAndPRs2 --
+No-CQRT/GooGuns	44	1
+ivolunteerph/ivolunteerph	3	1
+Tribler/tribler	1	1
+
diff --git a/regression-test/data/variant_github_events_p0/authorsWithTheMostPushes.out b/regression-test/data/variant_github_events_p0/authorsWithTheMostPushes.out
new file mode 100644
index 0000000000..70f693578c
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/authorsWithTheMostPushes.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !authorsWithTheMostPushes --
+github-actions[bot]	1428	806
+seryozha1989	765	12
+KenanSulayman	319	1
+LombiqBot	270	5
+freecall2019	225	1
+hotspotlab	220	1
+hotspot2023	218	1
+renovate[bot]	177	106
+gyuho	170	23
+mirror-updates	168	4
+proxylist-to-bot	164	1
+cageyjames	119	1
+qdm	117	1
+milesholt	107	1
+greatfire	96	2
+Hall-1910	95	1
+apaolacci	95	1
+dependabot[bot]	83	43
+729300gahycus	79	1
+pull[bot]	69	69
+himobi	65	1
+patrick-hudson	61	1
+naijaping	55	1
+fake-name	54	1
+supervpnops	54	2
+brokjad	51	1
+tui590285	49	3
+renovate-bot	47	46
+audreywatters	45	19
+sanliuyi201	45	1
+predictcrypto	44	1
+cm-gerrit	41	24
+B74LABgit	40	3
+PacoReinaCampo	37	37
+vpnsuperapp	37	1
+BlackSnowDot	36	2
+westurner	34	5
+Tower-KevinLi	33	1
+billybobza	32	3
+cato-	32	1
+codertradergambler	32	1
+ivy-root	32	1
+robocdnjs	32	1
+Chourouk-Zioud	31	1
+Warrenty	31	2
+brianmaierjr	31	1
+mhutchinson-witness	31	2
+andrew-nault	30	1
+mouyong	30	2
+megantmcginley	29	1
+
diff --git a/regression-test/data/variant_github_events_p0/countingStar1.out b/regression-test/data/variant_github_events_p0/countingStar1.out
new file mode 100644
index 0000000000..633dfab5e1
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/countingStar1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar1 --
+4021
+
diff --git a/regression-test/data/variant_github_events_p0/countingStar2.out b/regression-test/data/variant_github_events_p0/countingStar2.out
new file mode 100644
index 0000000000..7658cd6fab
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/countingStar2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar2 --
+started	4021
+
diff --git a/regression-test/data/variant_github_events_p0/countingStar3.out b/regression-test/data/variant_github_events_p0/countingStar3.out
new file mode 100644
index 0000000000..516eb9b734
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/countingStar3.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar3 --
+42
+
diff --git a/regression-test/data/variant_github_events_p0/distributionOfRepositoriesByStarCount.out b/regression-test/data/variant_github_events_p0/distributionOfRepositoriesByStarCount.out
new file mode 100644
index 0000000000..ee8916c3a3
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/distributionOfRepositoriesByStarCount.out
@@ -0,0 +1,5 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !distributionOfRepositoriesByStarCount --
+1.0	3375
+10.0	6
+
diff --git a/regression-test/data/variant_github_events_p0/githubRoulette.out b/regression-test/data/variant_github_events_p0/githubRoulette.out
new file mode 100644
index 0000000000..6db7338370
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/githubRoulette.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !githubRoulette --
+LinuxStandardBase/lsb
+inf0rmer/blanket
+parrt/cs652
+Pathgather/please-wait
+jtsternberg/Shortcode_Button
+EnterpriseQualityCoding/FizzBuzzEnterpriseEdition
+VictiniX888/Illegal-Mod-Sites
+robfig/cron
+brendangregg/FlameGraph
+h5bp/Front-end-Developer-Interview-Questions
+pebble/pebblejs
+EU-OSHA/osha-website
+danielstjules/Stringy
+scottjehl/picturefill
+letsencrypt/heroku-acme
+gaspaio/gearmanui
+servo/servo
+thlorenz/proxyquire
+xpac27/LittleWorld
+jpf/the-gannet
+drrb/java-rust-example
+jcodec/jcodec
+mbadolato/iTerm2-Color-Schemes
+X1011/git-directory-deploy
+bestwnh/IGLDropDownMenu
+alvarotrigo/fullPage.js
+memsql/memsql-loader
+martijnwalraven/meteor-ios
+Microsoft/dotnet
+cowboy/dotfiles
+larrycai/pirate
+greatfire/wiki
+greatfire/wiki
+rapid7/metasploit-framework
+tobegit3hub/pirate
+evido/wotreplay-parser
+Phrogz/SLAXML
+beautify-web/js-beautify
+django/django
+juhl/physicsRus
+zingchart/ZingChart-jQuery
+tomchristie/django-rest-framework
+thephpleague/oauth2-server
+cloudflare/golibs
+iojs/io.js
+golang/go
+cppformat/cppformat
+google/end-to-end
+progrium/duplex
+bwlewis/rthreejs
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
new file mode 100644
index 0000000000..a75f6cd87d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears1 --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	31
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+h5bp/Front-end-Developer-Interview-Questions	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+rails/rails-perftest	6
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+iojs/io.js	4
+josh/cafe-js	4
+leanote/leanote	4
+neilj/Squire	4
+orangeduck/libCello	4
+spf13/hugo	4
+square/PonyDebugger	4
+stackia/SteamFriendsManager	4
+staltz/cycle	4
+tobiasahlin/SpinKit	4
+twbs/bootstrap	4
+zingchart/ZingChart-jQuery	4
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
new file mode 100644
index 0000000000..a510ce81ba
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears2 --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	31
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+h5bp/Front-end-Developer-Interview-Questions	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+rails/rails-perftest	6
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+iojs/io.js	4
+josh/cafe-js	4
+leanote/leanote	4
+neilj/Squire	4
+orangeduck/libCello	4
+spf13/hugo	4
+square/PonyDebugger	4
+stackia/SteamFriendsManager	4
+staltz/cycle	4
+tobiasahlin/SpinKit	4
+twbs/bootstrap	4
+zingchart/ZingChart-jQuery	4
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
new file mode 100644
index 0000000000..8d2c912415
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears3 --
+zzarcon/focusable	1
+zwaldowski/BlocksKit	1
+zurb/foundation	1
+zulfajuniadi/riverlevel	1
+zuha/Zuha	1
+zuffdaddy/dynalamp	1
+zorro3/ConfigArgParse	1
+zoomhub/zoomhub	1
+zokis/Python--Faster-Way	1
+ziyasal/node-procexss	1
+zhenchen/Experiment-for-secompax	1
+zeromq/jeromq	1
+zendframework/ZendSkeletonApplication	1
+zenazn/goji	1
+zedapp/zed	1
+zdavatz/spreadsheet	1
+zcweng/ToggleButton	1
+zackkitzmiller/gofish	1
+zachwill/flask-engine	1
+z411/trackma	1
+yyuu/pyenv-installer	1
+yxsicd/yxsimg	1
+ywdarklord/Go-Example	1
+yorikvanhavre/FreeCAD-library	1
+yogiben/meteor-bootstrap	1
+yob/pdf-reader	1
+ymx/RefExplorer	1
+yeoman/generator-angular	1
+yangqi/Htmldom	1
+yahoo/android-range-seek-bar	1
+y-ken/fluent-logger-mruby	1
+xxv/android-lifecycle	1
+xvoland/Extract	1
+xueruini/thuthesis	1
+xsacha/Sachesi	1
+xpac27/LittleWorld	1
+xobs/fernly	1
+xjzhou/500lines	1
+xicilion/fibjs	1
+xiaobozi/youku-lixian	1
+xiaoai/android-waterfall-demo	1
+xfeng/MultiHttpRequest	1
+xero-gateway/xero_gateway	1
+xenith-studios/ataxia	1
+xebia/jackson-lombok	1
+xcltapestry/XCL-Charts	1
+xat/chromecast-player	1
+wymsee/cordova-imagePicker	1
+wycc/arduino-wukong	1
+wycats/handlebars.js	1
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
new file mode 100644
index 0000000000..c23f409ba5
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears4 --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	31
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+h5bp/Front-end-Developer-Interview-Questions	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+rails/rails-perftest	6
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+iojs/io.js	4
+josh/cafe-js	4
+leanote/leanote	4
+neilj/Squire	4
+orangeduck/libCello	4
+spf13/hugo	4
+square/PonyDebugger	4
+stackia/SteamFriendsManager	4
+staltz/cycle	4
+tobiasahlin/SpinKit	4
+twbs/bootstrap	4
+zingchart/ZingChart-jQuery	4
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
new file mode 100644
index 0000000000..523224a060
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears5 --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	31
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+h5bp/Front-end-Developer-Interview-Questions	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+rails/rails-perftest	6
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+iojs/io.js	4
+josh/cafe-js	4
+leanote/leanote	4
+neilj/Squire	4
+orangeduck/libCello	4
+spf13/hugo	4
+square/PonyDebugger	4
+stackia/SteamFriendsManager	4
+staltz/cycle	4
+tobiasahlin/SpinKit	4
+twbs/bootstrap	4
+zingchart/ZingChart-jQuery	4
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.out b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
new file mode 100644
index 0000000000..3c6e5bbe07
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears6 --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	31
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+h5bp/Front-end-Developer-Interview-Questions	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+rails/rails-perftest	6
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+iojs/io.js	4
+josh/cafe-js	4
+leanote/leanote	4
+neilj/Squire	4
+orangeduck/libCello	4
+spf13/hugo	4
+square/PonyDebugger	4
+stackia/SteamFriendsManager	4
+staltz/cycle	4
+tobiasahlin/SpinKit	4
+twbs/bootstrap	4
+zingchart/ZingChart-jQuery	4
+
diff --git a/regression-test/data/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.out b/regression-test/data/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.out
new file mode 100644
index 0000000000..3e777719e3
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.out
@@ -0,0 +1,5 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheTotalNumberOfStarsChangedOverTime --
+2015	2725
+2022	1296
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments1.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments1.out
new file mode 100644
index 0000000000..b1db3f8a65
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments1 --
+5314
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments2.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments2.out
new file mode 100644
index 0000000000..c50a162b2d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments2 --
+GovAlta/ui-components	69
+TTMTT/iCL0udin	34
+apache/spark	31
+CleverRaven/Cataclysm-DDA	29
+cachethq/Cachet	28
+frogsbreath-games/eucre	25
+HabitRPG/habitrpg	23
+tgstation/-tg-station	22
+rust-lang/rust	21
+Youssef1313/samples	20
+backdrop/backdrop-issues	18
+gratipay/inside.gratipay.com	18
+saltstack/salt	17
+lumien231/Custom-Main-Menu	16
+MetaMask/eth-phishing-detect	15
+numenta/nupic.core	15
+Homebrew/homebrew	13
+badrsony/icloudin-support-	13
+Expensify/App	12
+Sanne/testcontainers-java	11
+atom-community/autocomplete-plus	11
+diydrones/ardupilot	11
+kguil/Marvin-Roadmap	11
+kyma-project/kyma	11
+libantioch/antioch	11
+Baystation12/Baystation12	10
+hrydgard/ppsspp	10
+rQAQr/rss	10
+sikozheng/rshb	10
+tipfortip/issues	10
+Mindwerks/wildmidi	9
+NeuroVault/NeuroVault	9
+THE-ESCAPIST/RSSHub	9
+WhisperSystems/TextSecure	9
+XLabs/Xamarin-Forms-Labs	9
+aws/eks-distro	9
+disco-trooper/weather-app	9
+docker-library/docs	9
+expressjs/compression	9
+flutter/flutter	9
+isaacg1/pyth	9
+jscs-dev/node-jscs	9
+orkestral/venom	9
+udondan/jsii	9
+4Nanai/Abot	8
+Blockchain-Dev-Web/hardhat-erc721	8
+DoYana/myrss	8
+Joomla-Bible-Study/Joomla-Bible-Study	8
+JuliaLang/julia	8
+P3TERX/RSSHub	8
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments3.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments3.out
new file mode 100644
index 0000000000..9cb3bda773
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments3 --
+GovAlta/ui-components	69	69	1.0
+TTMTT/iCL0udin	34	1	34.0
+apache/spark	31	12	2.58
+CleverRaven/Cataclysm-DDA	29	13	2.23
+cachethq/Cachet	28	11	2.55
+frogsbreath-games/eucre	25	25	1.0
+HabitRPG/habitrpg	23	10	2.3
+tgstation/-tg-station	22	10	2.2
+rust-lang/rust	21	13	1.62
+Youssef1313/samples	20	20	1.0
+backdrop/backdrop-issues	18	7	2.57
+gratipay/inside.gratipay.com	18	4	4.5
+saltstack/salt	17	7	2.43
+lumien231/Custom-Main-Menu	16	1	16.0
+MetaMask/eth-phishing-detect	15	15	1.0
+numenta/nupic.core	15	6	2.5
+Homebrew/homebrew	13	6	2.17
+badrsony/icloudin-support-	13	2	6.5
+Expensify/App	12	9	1.33
+Sanne/testcontainers-java	11	11	1.0
+atom-community/autocomplete-plus	11	1	11.0
+diydrones/ardupilot	11	8	1.38
+kguil/Marvin-Roadmap	11	2	5.5
+kyma-project/kyma	11	10	1.1
+libantioch/antioch	11	2	5.5
+Baystation12/Baystation12	10	5	2.0
+hrydgard/ppsspp	10	5	2.0
+rQAQr/rss	10	8	1.25
+sikozheng/rshb	10	6	1.67
+tipfortip/issues	10	1	10.0
+Mindwerks/wildmidi	9	9	1.0
+NeuroVault/NeuroVault	9	1	9.0
+THE-ESCAPIST/RSSHub	9	7	1.29
+WhisperSystems/TextSecure	9	8	1.12
+XLabs/Xamarin-Forms-Labs	9	6	1.5
+aws/eks-distro	9	1	9.0
+disco-trooper/weather-app	9	9	1.0
+docker-library/docs	9	4	2.25
+expressjs/compression	9	1	9.0
+flutter/flutter	9	9	1.0
+isaacg1/pyth	9	3	3.0
+jscs-dev/node-jscs	9	6	1.5
+orkestral/venom	9	9	1.0
+udondan/jsii	9	9	1.0
+4Nanai/Abot	8	5	1.6
+Blockchain-Dev-Web/hardhat-erc721	8	1	8.0
+DoYana/myrss	8	6	1.33
+Joomla-Bible-Study/Joomla-Bible-Study	8	1	8.0
+JuliaLang/julia	8	7	1.14
+P3TERX/RSSHub	8	6	1.33
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments4.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments4.out
new file mode 100644
index 0000000000..737f2e33a4
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments4 --
+TTMTT/iCL0udin	1	34
+lumien231/Custom-Main-Menu	7	16
+cachethq/Cachet	173	11
+atom-community/autocomplete-plus	185	11
+saltstack/salt	19253	11
+tipfortip/issues	133	10
+badrsony/icloudin-support-	8	9
+expressjs/compression	25	9
+NeuroVault/NeuroVault	90	9
+gratipay/inside.gratipay.com	93	9
+aws/eks-distro	1398	9
+CleverRaven/Cataclysm-DDA	10643	9
+honeinc/emit-bindings	7	8
+libantioch/antioch	72	8
+alexgrist/ServerGuard	118	8
+Blockchain-Dev-Web/hardhat-erc721	279	8
+kguil/Marvin-Roadmap	362	8
+Joomla-Bible-Study/Joomla-Bible-Study	403	8
+isaacg1/pyth	10	7
+SpongePowered/SpongeAPI	272	7
+backdrop/backdrop-issues	521	7
+apache/spark	3864	7
+apache/spark	3865	7
+YungSang/boot2docker-vagrant-box	18	6
+iChun/Tabula	23	6
+ev3dev/ev3dev.github.io	37	6
+gratipay/inside.gratipay.com	86	6
+scientist-softserv/adventist-dl	117	6
+openfl/lime	301	6
+MinecraftForge/FML	581	6
+stedolan/jq	659	6
+carltonwhitehead/coner	2	5
+box/leche	5	5
+aatxe/irc	11	5
+torch/trepl	12	5
+sfu-natlang/lensingwikipedia	127	5
+numenta/nupic.core	295	5
+AtomLinter/Linter	316	5
+rwaldron/johnny-five	524	5
+blueboxgroup/ursula	670	5
+ankidroid/Anki-Android	680	5
+notsecure/uTox	718	5
+sass/libsass	790	5
+facebook/react	953	5
+nylira/prism-break	1212	5
+numenta/nupic	1694	5
+theCrag/website	1764	5
+HabitRPG/habitrpg	4458	5
+tgstation/-tg-station	6718	5
+hrydgard/ppsspp	7245	5
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments5.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments5.out
new file mode 100644
index 0000000000..a4a6da943a
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments5.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments5 --
+atom-community/autocomplete-plus	185	11
+cachethq/Cachet	173	11
+saltstack/salt	19253	11
+tipfortip/issues	133	10
+CleverRaven/Cataclysm-DDA	10643	9
+NeuroVault/NeuroVault	90	9
+aws/eks-distro	1398	9
+expressjs/compression	25	9
+gratipay/inside.gratipay.com	93	9
+Blockchain-Dev-Web/hardhat-erc721	279	8
+Joomla-Bible-Study/Joomla-Bible-Study	403	8
+alexgrist/ServerGuard	118	8
+kguil/Marvin-Roadmap	362	8
+libantioch/antioch	72	8
+SpongePowered/SpongeAPI	272	7
+apache/spark	3864	7
+apache/spark	3865	7
+backdrop/backdrop-issues	521	7
+MinecraftForge/FML	581	6
+YungSang/boot2docker-vagrant-box	18	6
+ev3dev/ev3dev.github.io	37	6
+gratipay/inside.gratipay.com	86	6
+iChun/Tabula	23	6
+openfl/lime	301	6
+scientist-softserv/adventist-dl	117	6
+stedolan/jq	659	6
+AtomLinter/Linter	316	5
+HabitRPG/habitrpg	4458	5
+Homebrew/homebrew	35404	5
+aatxe/irc	11	5
+ankidroid/Anki-Android	680	5
+blueboxgroup/ursula	670	5
+facebook/react	953	5
+hrydgard/ppsspp	7245	5
+notsecure/uTox	718	5
+numenta/nupic	1694	5
+numenta/nupic.core	295	5
+nylira/prism-break	1212	5
+rwaldron/johnny-five	524	5
+sass/libsass	790	5
+sfu-natlang/lensingwikipedia	127	5
+tgstation/-tg-station	6718	5
+theCrag/website	1764	5
+torch/trepl	12	5
+Expensify/App	12400	4
+Homebrew/homebrew	35194	4
+TelescopeJS/Telescope	666	4
+Unitech/PM2	913	4
+apache/spark	3237	4
+apache/spark	3855	4
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments6.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments6.out
new file mode 100644
index 0000000000..57af352119
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments6.out
@@ -0,0 +1,15 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments6 --
+cachethq/Cachet	173	11	4
+SpongePowered/SpongeAPI	272	7	4
+MinecraftForge/FML	581	6	4
+HabitRPG/habitrpg	4458	5	4
+Homebrew/homebrew	35404	5	4
+ankidroid/Anki-Android	680	5	4
+tgstation/-tg-station	6718	5	4
+Unitech/PM2	913	4	4
+dolphin-emu/dolphin	1798	4	4
+nezhivar/nezhOS	190	4	4
+rust-lang/rust	20364	4	4
+tgstation/-tg-station	6689	4	4
+
diff --git a/regression-test/data/variant_github_events_p0/issuesWithTheMostComments7.out b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments7.out
new file mode 100644
index 0000000000..1a3d9f653d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/issuesWithTheMostComments7.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments7 --
+mheon/checksims	28	2
+rust-lang/rust	18	1
+reubenhwk/dvd_menu_animator	9	2
+eswordthecat/vgstation13	8	3
+Homebrew/homebrew-science	7	2
+JoeForks/Cachet	7	3
+rene-scheepers/case-life	7	1
+DeEvo/chamilo-lms-utp	6	1
+christophercochran/Genesis-Visual-Hook-Guide	5	1
+ProjectCollaboTeam/Collab	4	2
+Thunderbots-5604/2014-Code	4	1
+botandrose/calagator	4	2
+jdavis/twofactorauth	4	1
+jupitersh/jupitersh.github.io	4	1
+skillrecordings/products	4	1
+vangdfang/libcutter	4	1
+NREL/OpenStudio	3	1
+archaeopterasa/synx	3	2
+att/rcloud	3	2
+hashicorp/boundary-ui	3	1
+honestbleeps/Reddit-Enhancement-Suite	3	1
+japaric/rust	3	1
+AKST/jsgen	2	1
+AnyelinaMarte/saeamt-docente	2	1
+AyaNour333/Dashboard	2	1
+Beiyongcangku/things	2	1
+Brento27/Job-applications	2	1
+ErikZalm/Marlin	2	2
+GijsTimmers/kotnetcli	2	1
+Jamesking56/Cachet	2	1
+Nbodypp/HOW_final	2	2
+PCSX2/pcsx2	2	2
+Tsavsar/CapacitorApp	2	1
+WasabiFan/ev3dev.github.io	2	1
+Whatevering/news-homepage-fm	2	1
+b0wdyy/book-reads	2	1
+batyshkaLenin/alexandr-sidorenko.me	2	1
+cdandrango3/facturas	2	1
+composer/composer	2	1
+dengxqi/jsbbs	2	1
+elikemscott/Assessment	2	1
+george1410/daily-mix-saver	2	1
+giorgiaBertacchini/MLOps-kedro-auto	2	1
+k2wlxda/kernel-msm	2	1
+kmiecik013/test2	2	1
+koajs/koa	2	2
+kripken/emscripten-fastcomp-clang	2	1
+kyrias/pkgbuilds	2	2
+livepeer/livepeer.js	2	1
+lucasjolibois54/futureworld	2	1
+
diff --git a/regression-test/data/variant_github_events_p0/load.out b/regression-test/data/variant_github_events_p0/load.out
new file mode 100644
index 0000000000..13ce3dfca0
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/load.out
@@ -0,0 +1,7 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+\N
+\N
+\N
+4748
+
diff --git a/regression-test/data/variant_github_events_p0/mostForkedRepositories.out b/regression-test/data/variant_github_events_p0/mostForkedRepositories.out
new file mode 100644
index 0000000000..f516dae125
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/mostForkedRepositories.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !mostForkedRepositories --
+cssdream/cssgrace	5
+labenuexercicios/objetos-template	5
+lambda81/lambda-addons	5
+octocat/Spoon-Knife	5
+prakhar1989/awesome-courses	5
+udacity/frontend-nanodegree-resume	5
+TheOdinProject/css-exercises	3
+ahmadpanah/Music-instrument	3
+bitcoin/bitcoin	3
+detuks/LeagueSharp	3
+neutron-org/testnets	3
+ranerlich7/library_django	3
+twbs/bootstrap	3
+Araq/Nim	2
+BradLarson/GPUImage	2
+ColeTownsend/Balzac-for-Jekyll	2
+EvgeniiMal/HTML-builder	2
+GAWMiners/paycoin	2
+InjectionDev/LeagueSharp	2
+LarryMad/recipes	2
+Qihoo360/phptrace	2
+SublimeHaskell/SublimeHaskell	2
+TORC2137/2137-2014-roboRIO-Labview	2
+Vanna007/Free-RDP	2
+WhisperSystems/TextSecure	2
+Wynncraft/Issues	2
+adobe/brackets	2
+alexvollmer/daemon-spawn	2
+apache/spark	2
+appacademy/active_record_lite	2
+bundler/bundler	2
+clowwindy/ChinaDNS	2
+cocos2d/cocos2d-x	2
+constjs/SmartThings-Devices	2
+deadlyvipers/dojo_rules	2
+discourse/discourse	2
+django-nonrel/django	2
+django/django	2
+firstcontributions/first-contributions	2
+flarum/core	2
+informatika-19/latihan-backend-19421040-bagasdwijayanto	2
+jculvey/roboto	2
+jlord/patchwork	2
+joinpursuit/8-0-react-hooks-lab	2
+julycoding/The-Art-Of-Programming-By-July	2
+learn-co-curriculum/phase-1-practice-toy-tale	2
+lexrus/VPNOn	2
+mmistakes/so-simple-theme	2
+mrkipling/maraschino	2
+nightscout/cgm-remote-monitor	2
+
diff --git a/regression-test/data/variant_github_events_p0/mostPopularCommentsOnGithub.out b/regression-test/data/variant_github_events_p0/mostPopularCommentsOnGithub.out
new file mode 100644
index 0000000000..a1a7da60a8
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/mostPopularCommentsOnGithub.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !mostPopularCommentsOnGithub --
+🧹 	1
+😑 	1
+👍	1
+？？？？	1
+확인	1
+코드가 변경되서 찾지 못하겠어요	1
+정확한 부분의 SQL Language 입니다.	1
+에러 유발한 값들을 같이 찍어주면 더 좋을 것 같네요. 	1
+어떻게 issue owner 할당 하나요? 이 이슈를 저한테 할당하려고 합니다.	1
+생성자를 통해 chatButton등을 넘겨받는 것이 좋을 것 같습니다.	1
+매직넘버를 루프로 바꾸는 과정에서 실수로 안바꿔준 부분 같습니다	1
+넵 막 Collaborators로 등록했습니다. 이제 스스로 할당 하실 수 있습니다 :)	1
+권한 적용 완료	1
+非常感谢！	1
+選択肢がそれしかないのを強調するため	1
+跪求大侠们把这bug认领了吧。\r\n我就可以直接开始干SRS3.0了。	1
+越发觉得把按钮从顶栏抽出来非常合理\r\n不过还是算了，我也不会搞(ㅍ_ㅍ)	1
+谢谢您！	1
+请使用stable的版本。	1
+请不要使用中文路径	1
+说解决方案	1
+表示在win也存在这问题，ctrl+c不能复制调试文字。\r\nfixed 就好	1
+有具体的IP列表吗？fakeip没有自动更新的机制	1
+是 han.js 里测试特性的代码中的。	1
+改名	1
+我这边魔改了很多东西，就是同步完，清理仓库	1
+我也遇到这个问题，目前没找到原因。等发现解决了方法再告诉你啊。	1
+想重新焊接一个，我看8822cs支持不好，有没有其他可以支持的模块	1
+微信这么一变，挺伤的。还不知什么时候会正式放出接口。	1
+已经提交了一个 Pull Requests 	1
+已经不再用seajs了，browserify的实时打包或许是个正确的选择。恍惚++	1
+参考資料ありがとうございます。\n	1
+你说的难道不是过滤规则的功能吗？	1
+今年がもっと素敵な一年になりますように。	1
+乃\r\n	1
+メニューへ移動して嬉しそうな機能は全て移し終わりました。\r\n	1
+すごい量！\r\n	1
+これは、（多分）私の仕事ですね。	1
+おめでとうございます！ :tada: 	1
+مبروك أخي مجد	1
+إنشاء الله أخي مجد	1
+а линтер на что, это же ридми?\r\nЗаменил ссылки	1
+Спасибо. Удалил	1
+Сам нашёл, сам пофиксил - всё правильно.	1
+Готово 	1
+you can see them in archery tweaks. this is something I added and committed separately.	1
+you can increase the timeout value to allow for the scripts to run `host.idleTimeOut = 10000`	1
+yey	1
+yes, that's definitely on purpose	1
+yes, look at this: https://github.com/niXman/mingw-builds/pull/628	1
+
diff --git a/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfRepositories.out b/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfRepositories.out
new file mode 100644
index 0000000000..661a376e03
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfRepositories.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !organizationsByTheNumberOfRepositories --
+begriffs	1
+cachethq	1
+cssdream	1
+pathgather	1
+prakhar1989	1
+wasabeef	1
+
diff --git a/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfStars.out b/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfStars.out
new file mode 100644
index 0000000000..1d8c3833bf
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/organizationsByTheNumberOfStars.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !organizationsByTheNumberOfStars --
+wasabeef	44
+prakhar1989	32
+google	27
+h0x0er	24
+cachethq	17
+aplus-framework	16
+begriffs	13
+pathgather	13
+cssdream	12
+github	12
+microsoft	12
+netflix	12
+ymatuhin	11
+facebook	10
+gorhill	9
+h5bp	9
+kragniz	9
+qihoo360	9
+sindresorhus	9
+auchenberg	8
+cwrichardkim	8
+docker	8
+lexrus	8
+orangeduck	8
+papers-we-love	8
+projectdiscovery	8
+vinta	8
+atom	7
+dockerboard	7
+goagent	7
+kbandla	7
+nevin31	7
+ossu	7
+square	7
+substack	7
+zhihu	7
+alvarotrigo	6
+apache	6
+billlanyon	6
+inf0rmer	6
+isohuntto	6
+livid	6
+martinothamar	6
+public-apis	6
+rails	6
+spf13	6
+angular	5
+batteringram-dev	5
+cloudflare	5
+d235j	5
+
diff --git a/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks1.out b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks1.out
new file mode 100644
index 0000000000..a188bf2ba9
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks1 --
+cssdream/cssgrace	5	12	2.4
+labenuexercicios/objetos-template	5	0	0.0
+lambda81/lambda-addons	5	0	0.0
+octocat/Spoon-Knife	5	0	0.0
+prakhar1989/awesome-courses	5	32	6.4
+udacity/frontend-nanodegree-resume	5	0	0.0
+TheOdinProject/css-exercises	3	1	0.333
+ahmadpanah/Music-instrument	3	1	0.333
+bitcoin/bitcoin	3	0	0.0
+detuks/LeagueSharp	3	0	0.0
+neutron-org/testnets	3	0	0.0
+ranerlich7/library_django	3	0	0.0
+twbs/bootstrap	3	4	1.333
+Araq/Nim	2	0	0.0
+BradLarson/GPUImage	2	2	1.0
+ColeTownsend/Balzac-for-Jekyll	2	0	0.0
+EvgeniiMal/HTML-builder	2	0	0.0
+GAWMiners/paycoin	2	2	1.0
+InjectionDev/LeagueSharp	2	0	0.0
+LarryMad/recipes	2	0	0.0
+Qihoo360/phptrace	2	8	4.0
+SublimeHaskell/SublimeHaskell	2	0	0.0
+TORC2137/2137-2014-roboRIO-Labview	2	0	0.0
+Vanna007/Free-RDP	2	0	0.0
+WhisperSystems/TextSecure	2	0	0.0
+Wynncraft/Issues	2	0	0.0
+adobe/brackets	2	0	0.0
+alexvollmer/daemon-spawn	2	0	0.0
+apache/spark	2	1	0.5
+appacademy/active_record_lite	2	0	0.0
+bundler/bundler	2	0	0.0
+clowwindy/ChinaDNS	2	0	0.0
+cocos2d/cocos2d-x	2	1	0.5
+constjs/SmartThings-Devices	2	0	0.0
+deadlyvipers/dojo_rules	2	0	0.0
+discourse/discourse	2	1	0.5
+django-nonrel/django	2	0	0.0
+django/django	2	1	0.5
+firstcontributions/first-contributions	2	0	0.0
+flarum/core	2	4	2.0
+informatika-19/latihan-backend-19421040-bagasdwijayanto	2	0	0.0
+jculvey/roboto	2	0	0.0
+jlord/patchwork	2	0	0.0
+joinpursuit/8-0-react-hooks-lab	2	0	0.0
+julycoding/The-Art-Of-Programming-By-July	2	1	0.5
+learn-co-curriculum/phase-1-practice-toy-tale	2	0	0.0
+lexrus/VPNOn	2	7	3.5
+mmistakes/so-simple-theme	2	0	0.0
+mrkipling/maraschino	2	0	0.0
+nightscout/cgm-remote-monitor	2	1	0.5
+
diff --git a/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks2.out b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks2.out
new file mode 100644
index 0000000000..75a95a6165
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks2.out
@@ -0,0 +1,3 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks2 --
+
diff --git a/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks3.out b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks3.out
new file mode 100644
index 0000000000..6861250a12
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks3.out
@@ -0,0 +1,5 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks3 --
+cssdream/cssgrace	5	12	0.42
+prakhar1989/awesome-courses	5	32	0.16
+
diff --git a/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks4.out b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks4.out
new file mode 100644
index 0000000000..1d45fd3b9d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks4.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks4 --
+1289	4021	3.12
+
diff --git a/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks5.out b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks5.out
new file mode 100644
index 0000000000..a0d029cf34
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/proportionsBetweenStarsAndForks5.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks5 --
+12	121	10.08
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesByAmountOfModifiedCode.out b/regression-test/data/variant_github_events_p0/repositoriesByAmountOfModifiedCode.out
new file mode 100644
index 0000000000..7f81112ac7
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesByAmountOfModifiedCode.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesByAmountOfModifiedCode --
+liraymond04/SocialFi	2	1	14022	8395
+OutOfSyncStudios/memory-cache	1	1	7258	7248
+ToniAnton22/Recipe-App	1	1	4434	9650
+Automattic/newspack-popups	1	1	8364	4205
+webmd-health-services/BuildMasterAutomation	1	1	6968	4646
+volcain-io/exercism.io	1	1	5797	5192
+Acidburn0zzz/foundation.mozilla.org	3	1	8671	1994
+lawhump/lawhump.github.io	1	1	1371	8813
+Dannnno/Quasar	1	1	8770	1255
+Macaulay2/M2	1	1	6311	3485
+skk-dev/ddskk	1	1	4751	4740
+CoderAllan/vscode-dgmlviewer	1	1	4727	4727
+cypress-io/cypress-documentation	1	1	4824	4584
+moneytree-doug/mt-d3	1	1	1510	7898
+SnowSE/project_aspen	1	1	6686	2494
+kubegems/kubegems	1	1	5365	3775
+novus/nvd3	1	1	985	7898
+T145/cubebots	1	1	2420	6340
+UmamiDAO/metrics-api	1	1	3853	3417
+kyungphill/practice_vue	1	1	4606	2663
+jinqshen/greatEffort	1	1	4433	2767
+lyft/clutch	1	1	3100	4031
+esparzou/site_tiledesign	1	1	4466	2663
+LeagueSharp/LeagueSharpCommon	1	1	3	7094
+metasoccer/TokenBondingCurve	1	1	6070	1017
+Mu-L/PaddleHub	1	1	2519	4554
+andrejv/wxmaxima	1	1	3541	3529
+ionos-cloud/module-ansible	1	1	4089	2962
+fishulla/Torque3D	2	1	3539	3409
+mikeyhodl/kubernetes	1	1	3893	2415
+moqimoqidea/Github-Ranking	1	1	4117	1956
+harrisonho99/react-native-windows-samples	2	1	4352	1564
+Shiker2032/chick-chirick	1	1	667	5157
+hto-projects/be-sound	1	1	3904	1598
+nf-core/tools	1	1	4189	1100
+Melon-Tropics/javascript-action	2	1	1764	3371
+lloydtao/readme-guestbook	2	1	1762	3354
+jdhanotaGU/CRAPS-Game	1	1	2244	2837
+dotiful/netlify-express-api	2	1	2087	2680
+templates-starter/OrchardCore	3	1	2942	1681
+mheap/action-router	1	1	1073	3193
+Torndeco/extdb	1	1	3481	697
+Trestolt/roll20-character-sheets	1	1	2838	1084
+coolsnowwolf/packages	1	1	2077	1836
+Toe-Tet/dmm-cdd	1	1	2582	1265
+maidsafe/MaidSafe-Drive	1	1	1540	2239
+ndelvalle/v-blur	2	1	2330	1146
+mhlabs/cfn-diagram	2	1	463	2894
+Creativice-Oy/graph-sentry	1	1	2584	747
+piwik/piwik	1	1	1979	1339
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesByTheNumberOfPushes.out b/regression-test/data/variant_github_events_p0/repositoriesByTheNumberOfPushes.out
new file mode 100644
index 0000000000..a574b61a3d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesByTheNumberOfPushes.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesByTheNumberOfPushes --
+greatfire/wiki	48	1
+westurner/sphinxcontrib-srclinks	16	1
+josh/cafe-js	12	1
+miningforpotatoes/miningforpotatoes.github.io	9	1
+ogupte/trope	9	1
+VictiniX888/Illegal-Mod-Sites	8	1
+enfuse/pixled	7	1
+apache/spark	6	1
+cellier/cellier.github.io	6	1
+LemonPi/sal	5	1
+cleesmith/escalate	5	1
+odoo/odoo	5	1
+twbs/bootstrap	5	2
+bluejamesbond/TextJustify-Android	4	1
+chromium/chromium	4	1
+delner/pink_panther	4	1
+kragniz/json-sempai	4	1
+BackWoodsMod/BackWoods-Dev-Website	3	1
+IBM/pwa-lit-template	3	1
+ShouthostLLC/stripe-d	3	1
+TimmyO18/timmyobiso	3	1
+altipla-consulting/i18n-messages	3	1
+ariddell/lda	3	1
+ben-manes/caffeine	3	1
+bohoomil/fontconfig-ultimate	3	1
+cachethq/Cachet	3	2
+cubiclesoft/barebones-cms-shortcode-bb_syntaxhighlight	3	1
+joelpurra/jqnpm	3	1
+jonsterling/hs-abt	3	1
+lhorie/mithril.js	3	1
+nguyenhongson1902/lunar-lander-solver	3	1
+shurcooL/webgl	3	1
+HazyResearch/deepdive	2	1
+Homebrew/homebrew	2	2
+JetBrains/intellij-community	2	1
+Khan/perseus	2	1
+MatthewLymer/ScriptMigrations	2	1
+NodeBB/NodeBB	2	1
+Qmunity/QmunityLib	2	1
+StevenXL/learntoprogram	2	1
+ValcambiSuisseNFT/verify-info	2	1
+getlantern/lantern	2	1
+golang/go	2	1
+laurent22/joplin	2	1
+lhorie/mithril	2	1
+literallysame/Festivus-Mode	2	1
+mantarayforensics/mantaray	2	1
+rapid7/metasploit-framework	2	2
+ropensci/webservices	2	1
+rossdylan/eris	2	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.out b/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.out
new file mode 100644
index 0000000000..46e1f359ae
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.out
@@ -0,0 +1,15 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithClickhouse_related_comments1 --
+apache/spark	14
+TTMTT/iCL0udin	3
+blueboxgroup/ursula	3
+apache/arrow	1
+apache/cassandra-dtest	1
+apache/dolphinscheduler	1
+expressjs/compression	1
+fluo-io/fluo-dev	1
+icret/EasyImages2.0	1
+indiebox/ubos-admin	1
+kanaka/websockify	1
+rstudio/pins-r	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.out b/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.out
new file mode 100644
index 0000000000..66e1d07e44
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.out
@@ -0,0 +1,15 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithClickhouse_related_comments2 --
+apache/spark	1	14
+TTMTT/iCL0udin	0	3
+blueboxgroup/ursula	0	3
+apache/arrow	0	1
+apache/cassandra-dtest	0	1
+apache/dolphinscheduler	0	1
+expressjs/compression	0	1
+fluo-io/fluo-dev	0	1
+icret/EasyImages2.0	0	1
+indiebox/ubos-admin	0	1
+kanaka/websockify	0	1
+rstudio/pins-r	0	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments1.out b/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments1.out
new file mode 100644
index 0000000000..7f4dbb909d
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments1.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithDoris_related_comments1 --
+apache/spark	22
+HabitRPG/habitrpg	1
+python/mypy	1
+rstudio/pins-r	1
+selfhub/selfhub	1
+tesseradata/docs-datadr	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments2.out b/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments2.out
new file mode 100644
index 0000000000..c248e312e3
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithDoris_related_comments2.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithDoris_related_comments2 --
+apache/spark	1	22
+HabitRPG/habitrpg	0	1
+python/mypy	0	1
+rstudio/pins-r	0	1
+selfhub/selfhub	0	1
+tesseradata/docs-datadr	0	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.out
new file mode 100644
index 0000000000..d436dae02b
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.out
@@ -0,0 +1,14 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheHighestGrowthYoY --
+avelino/awesome-go	3	1	3.0	2015-01-01T10:01:25
+torvalds/linux	2	1	2.0	2015-01-01T10:13:15
+esl/MongooseIM	1	1	1.0	2015-01-01T10:37:13
+gitlabhq/gitlabhq	1	1	1.0	2015-01-01T10:37:54
+haoel/leetcode	1	1	1.0	2015-01-01T10:34:53
+sindresorhus/awesome	1	2	0.5	2015-01-01T10:33:57
+github/gitignore	1	3	0.333	2015-01-01T10:25:26
+golang/go	1	3	0.333	2015-01-01T08:05:52
+h5bp/Front-end-Developer-Interview-Questions	2	6	0.333	2015-01-01T08:01:30
+leanote/leanote	1	4	0.25	2015-01-01T09:11:54
+prakhar1989/awesome-courses	1	31	0.032	2015-01-01T08:07
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.out
new file mode 100644
index 0000000000..9d395cfb85
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues1 --
+No-CQRT/GooGuns	44	1
+YGGDRASIL-STUDIO/Discouraged-Workers	16	1
+kcaa/kcaa	13	1
+pddemo/demo	11	1
+GHConnIT/system-test-repo-1667812266	10	1
+LeiDeMing/reading	9	1
+backdrop/backdrop-issues	7	3
+DsooRadha/CDMX013-md-links	6	1
+GunZi200/Memory-Colour	6	1
+antonioortegajr/beerfind.me	6	1
+christophercochran/Genesis-Visual-Hook-Guide	6	1
+starakaj/rnecklace	6	1
+GMOD/Apollo	5	1
+g19-mr/azh	5	1
+getparsec/getparsec	5	1
+huntermcmillian/huntermcmillian	5	1
+leo424y/heysiri.ml	5	1
+waltervr/mejengol	5	1
+ApexKO/issue-tracking	4	1
+Baystation12/Baystation12	4	1
+CTC-CompTech/delivery	4	2
+CrafterKina/ExperiencePower	4	1
+RPMTW/RPMTW-Platform-Mod	4	1
+Shyenaia/prework-study-guide	4	1
+cachethq/Cachet	4	3
+djbouche/glowing-bear	4	1
+hzinner/lab-agile-planning	4	1
+ligershark/side-waffle	4	1
+pvandervelde/cloud-jenkins	4	1
+seadog007/EasyCal	4	1
+BryanDeJesus/CSC-251-GroupProject	3	1
+EKGAPI/webAppEKGAPI	3	1
+GiuseppeFilingeri/upgraded-symmetrical-waddle	3	1
+Kindnesscove/kindnesscove	3	1
+MiYa-Solutions/sbcx	3	2
+NamNguyen911/first_app	3	1
+RahalYesser/Training-Management	3	1
+TechCavern/WaveTact	3	1
+TechnicPack/TechnicLauncher	3	3
+Wel-Alves/lab-agile-planning	3	1
+ac-engine/amusement-creators-engine	3	1
+asiekierka/MagnumOpus	3	1
+bikeindex/bike_index	3	1
+campaul/ph.sh	3	2
+captainkirkby/Gears	3	1
+darinmorrison/type-nats.rs	3	1
+endercrest/ColorCube	3	1
+glasklart/hd	3	1
+ivolunteerph/ivolunteerph	3	1
+kalamuna/kalastatic	3	2
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.out
new file mode 100644
index 0000000000..9bdf653671
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues2 --
+No-CQRT/GooGuns	44	1	0
+YGGDRASIL-STUDIO/Discouraged-Workers	16	1	0
+kcaa/kcaa	13	1	0
+pddemo/demo	11	1	0
+GHConnIT/system-test-repo-1667812266	10	1	0
+LeiDeMing/reading	9	1	0
+backdrop/backdrop-issues	7	3	0
+DsooRadha/CDMX013-md-links	6	1	0
+GunZi200/Memory-Colour	6	1	0
+antonioortegajr/beerfind.me	6	1	0
+christophercochran/Genesis-Visual-Hook-Guide	6	1	0
+starakaj/rnecklace	6	1	0
+GMOD/Apollo	5	1	0
+g19-mr/azh	5	1	0
+getparsec/getparsec	5	1	0
+huntermcmillian/huntermcmillian	5	1	0
+leo424y/heysiri.ml	5	1	0
+waltervr/mejengol	5	1	0
+ApexKO/issue-tracking	4	1	0
+Baystation12/Baystation12	4	1	0
+CTC-CompTech/delivery	4	2	0
+CrafterKina/ExperiencePower	4	1	0
+RPMTW/RPMTW-Platform-Mod	4	1	0
+Shyenaia/prework-study-guide	4	1	0
+cachethq/Cachet	4	3	17
+djbouche/glowing-bear	4	1	0
+hzinner/lab-agile-planning	4	1	0
+ligershark/side-waffle	4	1	1
+pvandervelde/cloud-jenkins	4	1	0
+seadog007/EasyCal	4	1	0
+BryanDeJesus/CSC-251-GroupProject	3	1	0
+EKGAPI/webAppEKGAPI	3	1	0
+GiuseppeFilingeri/upgraded-symmetrical-waddle	3	1	0
+Kindnesscove/kindnesscove	3	1	0
+MiYa-Solutions/sbcx	3	2	0
+NamNguyen911/first_app	3	1	0
+RahalYesser/Training-Management	3	1	0
+TechCavern/WaveTact	3	1	0
+TechnicPack/TechnicLauncher	3	3	0
+Wel-Alves/lab-agile-planning	3	1	0
+ac-engine/amusement-creators-engine	3	1	0
+asiekierka/MagnumOpus	3	1	0
+bikeindex/bike_index	3	1	0
+campaul/ph.sh	3	2	0
+captainkirkby/Gears	3	1	0
+darinmorrison/type-nats.rs	3	1	0
+endercrest/ColorCube	3	1	0
+glasklart/hd	3	1	0
+ivolunteerph/ivolunteerph	3	1	0
+kalamuna/kalastatic	3	2	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.out
new file mode 100644
index 0000000000..88c4f29596
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues3 --
+wasabeef/awesome-android-ui	0	0	35
+prakhar1989/awesome-courses	0	0	32
+Pathgather/please-wait	0	0	13
+cssdream/cssgrace	0	0	12
+begriffs/postgrest	1	1	12
+cachethq/Cachet	4	3	17
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.out
new file mode 100644
index 0000000000..805d935c55
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues4 --
+wasabeef/awesome-android-ui	0	0	35
+prakhar1989/awesome-courses	0	0	32
+Pathgather/please-wait	0	0	13
+cssdream/cssgrace	0	0	12
+Netflix/ice	0	0	9
+gorhill/uBlock	0	0	9
+kragniz/json-sempai	0	0	9
+wasabeef/awesome-android-libraries	0	0	9
+Qihoo360/phptrace	0	0	8
+auchenberg/chrome-devtools-app	0	0	8
+h5bp/Front-end-Developer-Interview-Questions	0	0	8
+papers-we-love/papers-we-love	0	0	8
+vinta/awesome-python	0	0	8
+goagent/goagent	0	0	7
+kbandla/APTnotes	0	0	7
+lexrus/VPNOn	0	0	7
+projectdiscovery/katana	0	0	7
+zhihu/kids	0	0	7
+alvarotrigo/fullPage.js	0	0	6
+dockerboard/dockerboard	0	0	6
+inf0rmer/blanket	0	0	6
+isohuntto/openbay	0	0	6
+livid/v2ex	0	0	6
+martinothamar/Mediator	0	0	6
+ossu/computer-science	0	0	6
+public-apis/public-apis	0	0	6
+rails/rails-perftest	0	0	6
+DovAmir/awesome-design-patterns	0	0	5
+Reactive-Extensions/RxJS	0	0	5
+d235j/360Controller	0	0	5
+fcambus/nginx-resources	0	0	5
+leanote/leanote	0	0	5
+lensterxyz/lenster	0	0	5
+nemoTyrant/manong	0	0	5
+Anchor89/GithubHub	0	0	4
+Byron/gitoxide	0	0	4
+FelisCatus/SwitchyOmega	0	0	4
+avelino/awesome-go	0	0	4
+flarum/core	0	0	4
+github/gitignore	0	0	4
+golang/go	0	0	4
+google/end-to-end	0	0	4
+greatfire/wiki	0	0	4
+imgix/imgix-emacs	0	0	4
+iojs/io.js	0	0	4
+josh/cafe-js	0	0	4
+neilj/Squire	0	0	4
+orangeduck/libCello	0	0	4
+spf13/hugo	0	0	4
+square/PonyDebugger	0	0	4
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.out
new file mode 100644
index 0000000000..a3eec38c16
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfPullRequests1 --
+0xMoJo7/Snapchain	1	1
+102/eslint-plugin-comment-annotations	1	1
+10sr/junks	1	1
+1367944498/rsshub	1	1
+18F/analytics-proxy-nodejs	1	1
+18F/openFEC	1	1
+23technologies/23ke-charts	1	1
+2yd/rsshub	1	1
+3m4q3m4q/repo1	1	1
+4GeeksAcademy/build-your-full-stack-developer-resume	1	1
+4i5/hello-world	1	1
+6shell/windows_exporter	1	1
+77-A/.net3	1	1
+7ackkkkk/rsshub	1	1
+7comp/android_frameworks_opt_telephony	1	1
+ABf1ag/learne	1	1
+ADCP1/airbnb-backend	1	1
+AKJAW/ApolloDataBuilders	1	1
+ATGardner/OSMExport	1	1
+AY2223S1-CS2103T-F12-2/tp	1	1
+AY2223S1-CS2103T-T11-2/tp	1	1
+AY2223S1-CS2103T-T12-1/tp	1	1
+AY2223S1-CS2103T-T17-1/tp	1	1
+AY2223S1-CS2103T-W15-4/tp	1	1
+AZhur771/TLP	1	1
+AbiaEssienRepos/auto-price-estimation-project	1	1
+AcalaNetwork/safe-config-service	1	1
+AdWerx/pronto-ruby	1	1
+AdamHidvegi/CurrencyC	1	1
+AdoptOpenJDK/openjdk-website	1	1
+Aerendir/bundle-aws-ses-monitor	1	1
+AhmadTanvir/vue_lara	1	1
+Airnow-test/aspnetcore	1	1
+Alan-love/language-server-protocol	1	1
+AlanYe-Dev/rsshub-vercel	1	1
+AlessioPrete/packagetest	1	1
+AletheiaOrg/Aletheia	1	1
+AlexLazareva/sarafan	1	1
+Alez05/tesla-interface-react-emotion-poc	1	1
+AlipayDocs/open-docs	1	1
+Alisa1106/vividus-starter-project	1	1
+Aliyamuskan/FirstRepo	1	1
+Alttaab/19.3-flask-survey-exercise	1	1
+Amiiiiiiiin/Escaping-Hell	1	1
+AndroidIDEOfficial/AndroidIDE	1	1
+AnhelinaZhurauleva/vividus-hometask2	1	1
+AnkitParte/astute-line-8992	1	1
+AnttiHal/express-harjoitus	1	1
+Apicurio/apicurio-registry	1	1
+Araq/Nim	1	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.out
new file mode 100644
index 0000000000..2f9adf408a
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfPullRequests2 --
+scalr-automation/terraform-scalr-flat-mirror5	13	7
+woowacourse-precourse/java-baseball	7	7
+scalr-automation/terraform-scalr-flat-mirror4	5	4
+google/it-cert-automation-practice	4	4
+neutron-org/testnets	4	4
+selfhub/selfhub	4	4
+WolseyBankWitness/rediffusion	8	3
+mhutchinson/mhutchinson-distributor	8	3
+CleverRaven/Cataclysm-DDA	4	3
+apache/spark	3	3
+rust-lang/rust	3	3
+tgstation/-tg-station	3	3
+cachethq/Cachet	4	2
+eclipse/birt	4	2
+Homebrew/homebrew-cask	3	2
+octokit/octokit.net	3	2
+openshift/sippy	3	2
+Bhargavhs/GitHubWorkShop	2	2
+EKGAPI/KardiaApp	2	2
+JorgeX/dojo_rules	2	2
+JuliaLang/METADATA.jl	2	2
+KSP-CKAN/NetKAN	2	2
+Merchello/Merchello	2	2
+PCSX2/pcsx2	2	2
+Strukturavaltas-03-Frontend-2022/csapatmunka---angular-webshop-01-3-underground	2	2
+TeamGabriel/gabriel	2	2
+WhisperSystems/TextSecure	2	2
+app-sre/qontract-reconcile	2	2
+azelezovs/auto-bootcamp-setup	2	2
+bioconda/bioconda-recipes	2	2
+cnrancher/dashboard	2	2
+coocoo08/LookSt	2	2
+docker/docs	2	2
+googleapis/gapic-generator-ruby	2	2
+myMarketPg/project-mymarket	2	2
+php/php-src	2	2
+quarkusio/quarkus-github-bot	2	2
+rspec/rspec-core	2	2
+slothbear/dojo_rules	2	2
+twitter/scalding	2	2
+frogsbreath-games/eucre	28	1
+Youssef1313/samples	21	1
+DataDog/opentelemetry-collector-contrib	17	1
+golden-warning/giraffedraft-server	15	1
+objectiser/opentelemetry-collector-contrib	13	1
+Sanne/testcontainers-java	10	1
+PCMDI/pcmdi_metrics	9	1
+outofcoffee/testcontainers-java	9	1
+pcwiese/opentelemetry-collector-contrib	9	1
+rmfitzpatrick/opentelemetry-collector-contrib	8	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
new file mode 100644
index 0000000000..a2f35081cd
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumNumberOfAcceptedInvitations --
+loserskater/M8-GPE	1	2
+wasabeef/awesome-android-ui	0	35
+prakhar1989/awesome-courses	0	32
+cachethq/Cachet	0	17
+Pathgather/please-wait	0	13
+begriffs/postgrest	0	12
+cssdream/cssgrace	0	12
+Netflix/ice	0	9
+gorhill/uBlock	0	9
+kragniz/json-sempai	0	9
+wasabeef/awesome-android-libraries	0	9
+Qihoo360/phptrace	0	8
+auchenberg/chrome-devtools-app	0	8
+h5bp/Front-end-Developer-Interview-Questions	0	8
+papers-we-love/papers-we-love	0	8
+vinta/awesome-python	0	8
+goagent/goagent	0	7
+kbandla/APTnotes	0	7
+lexrus/VPNOn	0	7
+projectdiscovery/katana	0	7
+zhihu/kids	0	7
+alvarotrigo/fullPage.js	0	6
+dockerboard/dockerboard	0	6
+inf0rmer/blanket	0	6
+isohuntto/openbay	0	6
+livid/v2ex	0	6
+martinothamar/Mediator	0	6
+ossu/computer-science	0	6
+public-apis/public-apis	0	6
+rails/rails-perftest	0	6
+DovAmir/awesome-design-patterns	0	5
+Reactive-Extensions/RxJS	0	5
+d235j/360Controller	0	5
+fcambus/nginx-resources	0	5
+leanote/leanote	0	5
+lensterxyz/lenster	0	5
+mastodon/mastodon	0	5
+nemoTyrant/manong	0	5
+Anchor89/GithubHub	0	4
+Byron/gitoxide	0	4
+FelisCatus/SwitchyOmega	0	4
+atom/atom	0	4
+avelino/awesome-go	0	4
+docker/fig	0	4
+facebook/react	0	4
+flarum/core	0	4
+github/gitignore	0	4
+golang/go	0	4
+google/end-to-end	0	4
+greatfire/wiki	0	4
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
new file mode 100644
index 0000000000..cd6c3f13fd
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostPeopleWhoHavePushAccess1 --
+zzzgydi/clash-verge	0	1
+zzarcon/focusable	0	1
+zylmua/xiaomi	0	1
+zwaldowski/blockskit	0	1
+zurb/foundation	0	1
+zulfajuniadi/riverlevel	0	1
+zuiidea/antd-admin	0	1
+zuha/zuha	0	1
+zuffdaddy/dynalamp	0	1
+zorzalerrante/tsundoku	0	1
+zorro3/configargparse	0	1
+zoomhub/zoomhub	0	1
+zombodb/postgres-parser	0	1
+zokis/python--faster-way	0	1
+zlywilk/klipper4a	0	1
+zjunlp/openue	0	1
+ziyasal/node-procexss	0	1
+ziparchive/ziparchive	0	1
+zigeng/c_p	0	1
+zhoudaxiaa/vpn-	0	1
+zhongyang219/trafficmonitor	0	1
+zhenchen/experiment-for-secompax	0	1
+zhanymkanov/fastapi-best-practices	0	1
+zeromq/jeromq	0	1
+zentyal/zentyal	0	1
+zentific/vmidbg	0	1
+zendframework/zendskeletonapplication	0	1
+zenazn/goji	0	1
+zedapp/zed	0	1
+zdavatz/spreadsheet	0	1
+zcweng/togglebutton	0	1
+zasder3/train-clip	0	1
+zarel/pokemon-showdown-client	0	1
+zackkitzmiller/gofish	0	1
+zachwill/flask-engine	0	1
+zacharypatten/dotnet-console-games	0	1
+zacharydubois/s3-sync	0	1
+zacharydubois/ip-updater	0	1
+z411/trackma	0	1
+z-huang/innertune	0	1
+yyuu/pyenv-installer	0	1
+yxymit/dbx1000	0	1
+ywdarklord/go-example	0	1
+yushen0118/garment_generation	0	1
+yupenghe/methylpy	0	1
+yun-liu/rcf-pytorch	0	1
+yulife/wanderlust-reloaded	0	1
+yorikvanhavre/freecad-library	0	1
+yogiben/meteor-bootstrap	0	1
+yob/pdf-reader	0	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.out
new file mode 100644
index 0000000000..3f2bdf749f
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostStarsOverOneDay1 --
+wasabeef/awesome-android-ui	2015-01-01	35
+prakhar1989/awesome-courses	2015-01-01	31
+cachethq/Cachet	2015-01-01	17
+Pathgather/please-wait	2015-01-01	13
+begriffs/postgrest	2015-01-01	12
+cssdream/cssgrace	2015-01-01	12
+Netflix/ice	2015-01-01	9
+gorhill/uBlock	2015-01-01	9
+kragniz/json-sempai	2015-01-01	9
+wasabeef/awesome-android-libraries	2015-01-01	9
+Qihoo360/phptrace	2015-01-01	8
+auchenberg/chrome-devtools-app	2015-01-01	8
+papers-we-love/papers-we-love	2015-01-01	8
+vinta/awesome-python	2015-01-01	8
+goagent/goagent	2015-01-01	7
+kbandla/APTnotes	2015-01-01	7
+lexrus/VPNOn	2015-01-01	7
+projectdiscovery/katana	2022-11-08	7
+zhihu/kids	2015-01-01	7
+alvarotrigo/fullPage.js	2015-01-01	6
+dockerboard/dockerboard	2015-01-01	6
+h5bp/Front-end-Developer-Interview-Questions	2015-01-01	6
+inf0rmer/blanket	2015-01-01	6
+isohuntto/openbay	2015-01-01	6
+livid/v2ex	2015-01-01	6
+martinothamar/Mediator	2022-11-08	6
+ossu/computer-science	2022-11-08	6
+public-apis/public-apis	2022-11-08	6
+rails/rails-perftest	2015-01-01	6
+DovAmir/awesome-design-patterns	2022-11-08	5
+Reactive-Extensions/RxJS	2015-01-01	5
+d235j/360Controller	2015-01-01	5
+fcambus/nginx-resources	2015-01-01	5
+nemoTyrant/manong	2015-01-01	5
+Anchor89/GithubHub	2015-01-01	4
+FelisCatus/SwitchyOmega	2015-01-01	4
+atom/atom	2015-01-01	4
+docker/fig	2015-01-01	4
+facebook/react	2015-01-01	4
+flarum/core	2015-01-01	4
+google/end-to-end	2015-01-01	4
+greatfire/wiki	2015-01-01	4
+imgix/imgix-emacs	2015-01-01	4
+iojs/io.js	2015-01-01	4
+josh/cafe-js	2015-01-01	4
+leanote/leanote	2015-01-01	4
+neilj/Squire	2015-01-01	4
+orangeduck/libCello	2015-01-01	4
+spf13/hugo	2015-01-01	4
+square/PonyDebugger	2015-01-01	4
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.out
new file mode 100644
index 0000000000..4afc1de3f9
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostSteadyGrowthOverTime --
+Pierian-Data/Complete-Python-3-Bootcamp	1	2	2.0
+avelino/awesome-go	2	4	2.0
+charmbracelet/vhs	1	2	2.0
+esl/MongooseIM	1	2	2.0
+gitlabhq/gitlabhq	1	2	2.0
+haoel/leetcode	1	2	2.0
+httpie/httpie	1	2	2.0
+laurent22/joplin	1	2	2.0
+starkscan/starkscan-verifier	1	2	2.0
+stashapp/stash	1	2	2.0
+lensterxyz/lenster	3	5	1.6666666666666667
+mastodon/mastodon	3	5	1.6666666666666667
+sindresorhus/awesome	2	3	1.5
+torvalds/linux	2	3	1.5
+trinib/Linux-Bash-Commands	2	3	1.5
+Byron/gitoxide	3	4	1.3333333333333333
+github/gitignore	3	4	1.3333333333333333
+golang/go	3	4	1.3333333333333333
+h5bp/Front-end-Developer-Interview-Questions	6	8	1.3333333333333333
+leanote/leanote	4	5	1.25
+prakhar1989/awesome-courses	31	32	1.032258064516129
+0fflinexd/Calculator	1	1	1.0
+0x192/universal-android-debloater	1	1	1.0
+0x4a6965/VitamioDemo	1	1	1.0
+0xabad1dea/Christmas-Card-2014	1	1	1.0
+18F/midas	1	1	1.0
+19128785540/rxrw-daily_morning	1	1	1.0
+1uphealth/fhir-react	1	1	1.0
+22century/bot-project	1	1	1.0
+2captcha/2captcha-go	1	1	1.0
+3dd13/sample-nw	1	1	1.0
+3m1o/nginx-rtmp-monitoring	1	1	1.0
+42wim/matterbridge	1	1	1.0
+47deg/labs-scala-play-mongo	1	1	1.0
+4lessandrodev/finance-project-ddd	1	1	1.0
+4u4v/ThinkPHP_Backend_System	1	1	1.0
+52inc/learn-ios	1	1	1.0
+6si/shipwright	1	1	1.0
+71104/lambda	1	1	1.0
+9inevolt/betterdgg	1	1	1.0
+AI-Guru/music-generation-research	1	1	1.0
+AUTOMATIC1111/stable-diffusion-webui	1	1	1.0
+AVGP/terminal.js	1	1	1.0
+AbdelrhmanHamouda/locust-k8s-operator	1	1	1.0
+Abecarne/Epitech	1	1	1.0
+Ableton/LinkKit	1	1	1.0
+Activiti/Activiti	1	1	1.0
+AdamNowotny/BuildReactor	1	1	1.0
+AdguardTeam/AdGuardHome	1	1	1.0
+AgentMaker/Paddle-CLIP	1	1	1.0
+
diff --git a/regression-test/data/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.out b/regression-test/data/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.out
new file mode 100644
index 0000000000..eaa089dd02
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheWorstStagnation_order --
+github/gitignore	1	3	0.333	2015-01-01T10:25:26
+golang/go	1	3	0.333	2015-01-01T08:05:52
+h5bp/Front-end-Developer-Interview-Questions	2	6	0.333	2015-01-01T08:01:30
+leanote/leanote	1	4	0.25	2015-01-01T09:11:54
+prakhar1989/awesome-courses	1	31	0.032	2015-01-01T08:07
+sindresorhus/awesome	1	2	0.5	2015-01-01T10:33:57
+
diff --git a/regression-test/data/variant_github_events_p0/repositoryAffinityList1.out b/regression-test/data/variant_github_events_p0/repositoryAffinityList1.out
new file mode 100644
index 0000000000..bd05ae6ab5
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoryAffinityList1.out
@@ -0,0 +1,52 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoryAffinityList1 --
+prakhar1989/awesome-courses	32
+wasabeef/awesome-android-ui	8
+vinta/awesome-python	3
+wasabeef/awesome-android-libraries	3
+fcambus/nginx-resources	2
+papers-we-love/papers-we-love	2
+Activiti/Activiti	1
+Cydrobolt/polr	1
+Developer-Y/cs-video-courses	1
+FortAwesome/Font-Awesome	1
+Netflix/ice	1
+PHPMailer/PHPMailer	1
+Semantic-Org/Semantic-UI	1
+StevenSLXie/Tutorials-for-Web-Developers	1
+alphagov/government-service-design-manual	1
+alvarotrigo/fullPage.js	1
+angular/angular.js	1
+apache/spark	1
+ben-manes/caffeine	1
+benplummer/calendarful	1
+cachethq/Cachet	1
+deshack/pure-less	1
+digitalnature/php-highlight	1
+digitalnature/php-ref	1
+dingo/api	1
+dkhamsing/ios-asset-names	1
+drrb/java-rust-example	1
+flarum/core	1
+foreverjs/forever	1
+gdi2290/angular-websocket	1
+github/gitignore	1
+google/google-api-php-client	1
+gorhill/uBlock	1
+gulpjs/gulp	1
+guzzle/guzzle	1
+iojs/io.js	1
+isohuntto/openbay	1
+iverberk/larasearch	1
+jenssegers/laravel-agent	1
+jenssegers/laravel-mongodb	1
+jsvd/cv	1
+pgmodeler/pgmodeler	1
+serbanghita/Mobile-Detect	1
+thephpleague/csv	1
+thephpleague/flysystem	1
+torvalds/linux	1
+twbs/bootstrap	1
+vhf/free-programming-books	1
+zurb/foundation	1
+
diff --git a/regression-test/data/variant_github_events_p0/repositoryAffinityList2.out b/regression-test/data/variant_github_events_p0/repositoryAffinityList2.out
new file mode 100644
index 0000000000..67482925cf
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/repositoryAffinityList2.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoryAffinityList2 --
+Pathgather/please-wait	13	0.08
+begriffs/postgrest	12	0.08
+cssdream/cssgrace	12	0.08
+cachethq/Cachet	16	0.06
+prakhar1989/awesome-courses	32	0.03
+wasabeef/awesome-android-ui	35	0.03
+
diff --git a/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers1.out b/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers1.out
new file mode 100644
index 0000000000..bbe5da89e0
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers1.out
@@ -0,0 +1,31 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !starsFromHeavyGithubUsers1 --
+Automattic/pocket-casts-android	1
+BYVoid/Batsh	1
+Crzyrndm/FilterExtension	1
+JeffreyWay/Laravel-Model-Validation	1
+MegaBits/SIOSocket	1
+Microsoft/dotnet	1
+Qihoo360/phptrace	1
+SFTtech/openage	1
+arturadib/shelljs	1
+cakephp/cakepackages	1
+cakephp/cakephp-codesniffer	1
+cakephp/csfnavbar	1
+chef-workflow/chef-workflow-example	1
+d235j/360Controller	1
+enaqx/awesome-react	1
+hamstergene/pathmatch	1
+jackc/pgx	1
+jesyspa/book	1
+jonsterling/intersection-types-primer	1
+josegonzalez/cakephp-datatable	1
+lorenzo/slugger	1
+msabramo/setuptools-markdown	1
+nvd3-community/nvd3	1
+opscode/chef	1
+rackt/react-router	1
+serialhex/nano-highlight	1
+sindresorhus/jshint-stylish	1
+xenith-studios/ataxia	1
+
diff --git a/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers2.out b/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers2.out
new file mode 100644
index 0000000000..ea9bfe0165
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/starsFromHeavyGithubUsers2.out
@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !starsFromHeavyGithubUsers2 --
+MegaBits/SIOSocket	1
+Qihoo360/phptrace	1
+chef-workflow/chef-workflow-example	1
+jackc/pgx	1
+nvd3-community/nvd3	1
+opscode/chef	1
+xenith-studios/ataxia	1
+
diff --git a/regression-test/data/variant_github_events_p0/theLongestRepositoryNames1.out b/regression-test/data/variant_github_events_p0/theLongestRepositoryNames1.out
new file mode 100644
index 0000000000..026117bde5
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theLongestRepositoryNames1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theLongestRepositoryNames1 --
+1	the-aws-terraform-samples/terraform-route-53-application-recovery-controller-codepipeline-with-terraform
+1	Ayusha-Bhola/-Kisaan-Sahayak-Intelligent-Farmers-e-Marketplace-with-prediction-of-crop-risk-factors.
+1	danielPoloWork/EURIS-academy2022-meterial-solidPrinciplesAndDesignPatterns
+1	ShadmanShariar/CRUD_Operation_On_Firebase_Database_Using_JavaScript
+1	lakshay-arora/Densenet121-Image-Classification-Deployed-using-Flask
+1	ArthurZC23/Machine-Learning-A-Probabilistic-Perspective-Solutions
+1	deepaktiwari88/HR-Management-and-Geo-Attendance-System-Admin-App
+1	HariharanGopinath/Generate-Music-using-a-LSTM-Neural-Network
+1	jpsarda/Pixel-based-destructible-ground-with-Cocos2d-iPhone
+1	sudharsan13296/Hands-On-Reinforcement-Learning-With-Python
+1	SN-RECIT-formation-a-distance/moodle-local_recitdashboard
+1	cubiclesoft/barebones-cms-shortcode-bb_syntaxhighlight
+1	xilinxfairchild/FPGABasedHighPerformanceTargetChecking
+1	NerijusBartosevicius/laravel-insert-update-delete-ids
+1	electron-react-boilerplate/electron-react-boilerplate
+2	AttackOnDobby/iOS-Core-Animation-Advanced-Techniques
+1	Lysergic-Acid/android_device_samsung_galaxys2-common
+1	MicrosoftLearning/AZ-104-MicrosoftAzureAdministrator
+1	mikeycal/the-video-editors-render-script-for-blender
+1	Nevin31/Classification-of-Wisconson-Cancer-Dataset
+1	centralnicgroup-opensource/rtldev-middleware-whmcs
+1	AmdjedSanero/CodePostal-58-Wilaya-Algerie-With-JS
+2	EnterpriseQualityCoding/FizzBuzzEnterpriseEdition
+1	SamyPesse/How-to-Make-a-Computer-Operating-System
+1	godot-extended-libraries/godot-antialiased-line2d
+1	ArnaudBarre/vite-plugin-react-click-to-component
+1	Siegener-Anime-und-Manga-Treff-SAMT/SAMT-Website
+1	the-aws-terraform-samples/terraform-eks-jumphost
+1	RajneeshSingh007/College-Management-Android-App
+1	akoskm/vite-react-tailwindcss-browser-extension
+1	batteringram-dev/Data-Structures-and-Algorithms
+2	billlanyon/js-therapist-react-node-mongo-docker
+1	google-github-actions/get-secretmanager-secrets
+1	python-semantic-release/python-semantic-release
+1	Juan-Carlos-Estevez-Vargas/Estevez-Corporation
+1	Learn-Dev/Learn-Dev-Theme---Dashboard-partie-1
+1	rafaelsilverioit/twitter-django-rest-framework
+1	webacademyufac/programacao-avancada-backend-t2
+1	BlueRaja/Weighted-Item-Randomizer-for-C-Sharp
+1	GoogleCloudPlatform/compute-video-demo-puppet
+1	conal/talk-2014-lambdajam-denotational-design
+1	elasticsearch/elasticsearch-analysis-kuromoji
+1	miningforpotatoes/miningforpotatoes.github.io
+1	singwhatiwanna/PinnedHeaderExpandableListView
+1	Ebazhanov/linkedin-skill-assessments-quizzes
+1	PacktPublishing/ASP.NET-Core-5-for-Beginners
+1	Schweinepriester/github-profile-achievements
+1	abhisheknaiidu/awesome-github-profile-readme
+1	adrianhajdin/project_modern_ui_ux_restaurant
+1	billlanyon/js-reform-beauty-node-express-poc
+
diff --git a/regression-test/data/variant_github_events_p0/theLongestRepositoryNames2.out b/regression-test/data/variant_github_events_p0/theLongestRepositoryNames2.out
new file mode 100644
index 0000000000..36e3e58aaf
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theLongestRepositoryNames2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theLongestRepositoryNames2 --
+ent/ent	1
+h2o/h2o	1
+jsvd/cv	1
+jsx/JSX	1
+lxc/lxc	1
+lxc/lxd	1
+antfu/ni	1
+gburd/pt	1
+gwoo/hap	1
+hmml/ev3	1
+pkg/sftp	1
+svg/svgo	2
+yui/yui3	2
+18F/midas	1
+Erol/yomu	1
+aasm/aasm	1
+akka/akka	2
+appc/spec	1
+atom/atom	4
+dingo/api	1
+dlwh/puck	1
+fuel/fuel	1
+gazay/gon	1
+glfw/glfw	1
+golang/go	4
+harelba/q	1
+iauns/cpm	1
+iron/iron	1
+ix/kyr.li	1
+jackc/pgx	1
+jlnr/gosu	1
+koajs/koa	1
+koush/ion	1
+kr/pretty	1
+lg/murder	1
+lvgl/lvgl	1
+norx/NORX	1
+odoo/odoo	1
+ossu/math	1
+peco/peco	1
+phan/phan	1
+prql/prql	1
+pyjs/pyjs	1
+rack/rack	2
+tux3/qTox	1
+unjs/ungh	1
+vuejs/vue	1
+zuha/Zuha	1
+BVLC/caffe	1
+DomKM/silk	1
+
diff --git a/regression-test/data/variant_github_events_p0/theMostToughCodeReviews.out b/regression-test/data/variant_github_events_p0/theMostToughCodeReviews.out
new file mode 100644
index 0000000000..6e6f3e7c13
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theMostToughCodeReviews.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theMostToughCodeReviews --
+https://github.com/d3athrow/vgstation13/pull/	4
+https://github.com/CleverRaven/Cataclysm-DDA/pull/	3
+https://github.com/apache/spark/pull/	3
+https://github.com/dotnet/runtime/pull/	3
+https://github.com/facebookincubator/velox/pull/	3
+https://github.com/kubernetes/kubernetes/pull/	3
+https://github.com/rust-lang/rfcs/pull/	3
+https://github.com/sass/libsass/pull/	3
+https://github.com/selfhub/selfhub/pull/	3
+https://github.com/tgstation/-tg-station/pull/	3
+https://github.com/AndreasMadsen/steer-screenshot/pull/	2
+https://github.com/CienProject2014/OneLevelHero/pull/	2
+https://github.com/JuliaLang/julia/pull/	2
+https://github.com/OpenRA/OpenRA/pull/	2
+https://github.com/RuddockHouse/RuddockWebsite/pull/	2
+https://github.com/SirCmpwn/ChatSharp/pull/	2
+https://github.com/YaleSTC/reservations/pull/	2
+https://github.com/ankidroid/Anki-Android/pull/	2
+https://github.com/apache/airflow/pull/	2
+https://github.com/buildbot/buildbot-infra/pull/	2
+https://github.com/cachethq/Cachet/pull/	2
+https://github.com/carymrobbins/intellij-haskforce/pull/	2
+https://github.com/coreycondardo/30-Day-Rule/pull/	2
+https://github.com/docker-library/docs/pull/	2
+https://github.com/elastic/kibana/pull/	2
+https://github.com/grafana/grafana/pull/	2
+https://github.com/hashintel/hash/pull/	2
+https://github.com/home-assistant/core/pull/	2
+https://github.com/mongodb-js/compass/pull/	2
+https://github.com/mupen64plus/mupen64plus-video-glide64mk2/pull/	2
+https://github.com/napari/napari/pull/	2
+https://github.com/odoo/odoo/pull/	2
+https://github.com/percona/pmm/pull/	2
+https://github.com/risingwavelabs/risingwave/pull/	2
+https://github.com/rspec/rspec-core/pull/	2
+https://github.com/rspec/rspec-rails/pull/	2
+https://github.com/sebastianbergmann/phpunit/pull/	2
+https://github.com/sourcegraph/sourcegraph/pull/	2
+https://github.com/sourcegraph/srclib/pull/	2
+https://github.com/square/okhttp/pull/	2
+https://github.com/substack/tape/pull/	2
+https://github.com/tsuru/tsuru/pull/	2
+https://github.com/venmo/synx/pull/	2
+https://github.com/01-edu/public/pull/	1
+https://github.com/42AGV/ft_transcendence/pull/	1
+https://github.com/ADCP1/airbnb-backend/pull/	1
+https://github.com/AMReX-Combustion/PelePhysics/pull/	1
+https://github.com/AbsaOSS/spline/pull/	1
+https://github.com/ActiveState/cli/pull/	1
+https://github.com/Adyen/adyen-dotnet-api-library/pull/	1
+
diff --git a/regression-test/data/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.out b/regression-test/data/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.out
new file mode 100644
index 0000000000..5b3c27542e
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfRepositoriesOnGithub --
+31481
+
diff --git a/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.out b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.out
new file mode 100644
index 0000000000..9fc9540502
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub1 --
+26724
+
diff --git a/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.out b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.out
new file mode 100644
index 0000000000..37b63bc00b
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub2 --
+2763
+
diff --git a/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.out b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.out
new file mode 100644
index 0000000000..f3b520f20b
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub3 --
+16510
+
diff --git a/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.out b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.out
new file mode 100644
index 0000000000..11f9d28e41
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub4 --
+1309
+
diff --git a/regression-test/data/variant_github_events_p0/topRepositoriesByStars.out b/regression-test/data/variant_github_events_p0/topRepositoriesByStars.out
new file mode 100644
index 0000000000..47450b19e5
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/topRepositoriesByStars.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !topRepositoriesByStars --
+wasabeef/awesome-android-ui	35
+prakhar1989/awesome-courses	32
+cachethq/Cachet	17
+Pathgather/please-wait	13
+begriffs/postgrest	12
+cssdream/cssgrace	12
+Netflix/ice	9
+gorhill/uBlock	9
+kragniz/json-sempai	9
+wasabeef/awesome-android-libraries	9
+Qihoo360/phptrace	8
+auchenberg/chrome-devtools-app	8
+h5bp/Front-end-Developer-Interview-Questions	8
+papers-we-love/papers-we-love	8
+vinta/awesome-python	8
+goagent/goagent	7
+kbandla/APTnotes	7
+lexrus/VPNOn	7
+projectdiscovery/katana	7
+zhihu/kids	7
+alvarotrigo/fullPage.js	6
+dockerboard/dockerboard	6
+inf0rmer/blanket	6
+isohuntto/openbay	6
+livid/v2ex	6
+martinothamar/Mediator	6
+ossu/computer-science	6
+public-apis/public-apis	6
+rails/rails-perftest	6
+DovAmir/awesome-design-patterns	5
+Reactive-Extensions/RxJS	5
+d235j/360Controller	5
+fcambus/nginx-resources	5
+leanote/leanote	5
+lensterxyz/lenster	5
+mastodon/mastodon	5
+nemoTyrant/manong	5
+Anchor89/GithubHub	4
+Byron/gitoxide	4
+FelisCatus/SwitchyOmega	4
+atom/atom	4
+avelino/awesome-go	4
+docker/fig	4
+facebook/react	4
+flarum/core	4
+github/gitignore	4
+golang/go	4
+google/end-to-end	4
+greatfire/wiki	4
+imgix/imgix-emacs	4
+
diff --git a/regression-test/data/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.out b/regression-test/data/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.out
new file mode 100644
index 0000000000..bc6d2c790e
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.out
@@ -0,0 +1,6 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whatIsTheBestDayOfTheWeekToCatchAStar --
+2	366
+3	930
+5	2725
+
diff --git a/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.out b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.out
new file mode 100644
index 0000000000..ceb681760b
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whoAreAllThosePeopleGivingStars1 --
+daweedkob	94
+cliffordfajardo	39
+iloveyuedu	27
+GameCracker	24
+cdleon	24
+whatcool	24
+lootnath	21
+mmestrovic	21
+EyuCoder	19
+raygerrard	16
+miketahani	15
+45H	12
+kazaky	12
+Malerator	11
+zwm5000	10
+cceasy	9
+gotlium	9
+kevindhawkins	9
+Godoctors	8
+jacsonLee	8
+jerson	8
+Github5201314	7
+Nuvini	7
+abhijit1990	7
+bchoomnuan	7
+fengdou902	7
+jameswfoster	7
+lmumar	7
+takuan-osho	7
+zx48	7
+DanielRuf	6
+IssamElbaytam	6
+Jerzerak	6
+ShovelCode	6
+aculich	6
+billlanyon	6
+co-sh	6
+darkpixel	6
+ivan4th	6
+railsjedi	6
+stonelasley	6
+x140yu	6
+DavidAlphaFox	5
+IanLuo	5
+JosephCastro	5
+MedG1	5
+Mrkavindu	5
+Narno	5
+andtxr	5
+athosss23	5
+
diff --git a/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.out b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.out
new file mode 100644
index 0000000000..cf1765406f
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whoAreAllThosePeopleGivingStars2 --
+cliffordfajardo	39
+
diff --git a/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.out b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.out
new file mode 100644
index 0000000000..5c7968ad12
--- /dev/null
+++ b/regression-test/data/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.out
@@ -0,0 +1,41 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whoAreAllThosePeopleGivingStars3 --
+htmlpreview/htmlpreview.github.com	2
+KuiKui/Octosplit	1
+Nuclides/github-highlight-selected	1
+RReverser/github-editorconfig	1
+Yatser/prettypullrequests	1
+adamburmister/gitprint.com	1
+alexcpendleton/GithubForkConfirmation	1
+anasnakawa/chrome-github-avatars	1
+batmanimal/object-oriented-js	1
+benbernard/CommentTracker	1
+buunguyen/octotree	1
+buunguyen/topbar	1
+camsong/chrome-github-mate	1
+chancancode/blame_parent	1
+cisox/github-approve-deny	1
+dlo/github-issue-filter-chrome-extension	1
+evilbuck/pr-sanity	1
+jasonlong/isometric-contributions	1
+jcouyang/gira	1
+johan/github-improved	1
+lxe/require-navigator	1
+mebjas/github-report	1
+mebjas/movie-name-extractor	1
+mesuutt/github-annotator	1
+mikedougherty/chrome-commit-status	1
+msolomon/github-submodule-links	1
+petebacondarwin/github-pr-helper	1
+rudids/js_sequence_extension	1
+sindresorhus/github-hide-files	1
+sindresorhus/github-issues-all	1
+sindresorhus/github-tab-size	1
+sirkitree/github-issue-utils	1
+skidding/github-issue-template	1
+sqren/github-widescreen	1
+summerblue/github-toc	1
+thieman/github-selfies	1
+typpo/codenav	1
+vieux/github-lgtm	1
+
diff --git a/regression-test/data/variant_p0/column_name.out b/regression-test/data/variant_p0/column_name.out
new file mode 100644
index 0000000000..7d3794e453
--- /dev/null
+++ b/regression-test/data/variant_p0/column_name.out
@@ -0,0 +1,22 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+中文	\N
+
+-- !sql --
+""
+
+-- !sql --
+\N
+"11111"
+
+-- !sql --
+\N
+\N
+456
+
+-- !sql --
+\N	\N
+\N	\N
+\N	\N
+UPPER CASE	lower case
+
diff --git a/regression-test/data/variant_p0/complexjson.out b/regression-test/data/variant_p0/complexjson.out
new file mode 100644
index 0000000000..d5a5154c67
--- /dev/null
+++ b/regression-test/data/variant_p0/complexjson.out
@@ -0,0 +1,17 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1	{"key_0":[{"key_1":[{"key_3":[{"key_7":1025,"key_6":25.5,"key_4":1048576,"key_5":0.0001048576},{"key_7":2,"key_6":"","key_4":null}]}]},{"key_1":[{"key_3":[{"key_7":-922337203685477600.0,"key_6":"aqbjfiruu","key_5":-1},{"key_7":65537,"key_6":"","key_4":""}]},{"key_3":[{"key_7":21474836.48,"key_4":"ghdqyeiom","key_5":1048575}]}]}],"id":1}
+
+-- !sql --
+1	{"key_1":[{"key_2":[{"key_3":[{"key_8":65537},{"key_4":[{"key_5":-0.02},{"key_7":1023},{"key_7":1,"key_6":9223372036854775807}]},{"key_4":[{"key_7":65537,"key_6":null}]}]}]}],"id":1}
+
+-- !sql --
+1	{"key_0":{"key_4":1,"key_1":{"key_2":1025,"key_3":1},"key_5":256},"key_11":"anve","key_10":65536}
+2	{"key_0":[{"key_12":"buwvq","key_11":2.55e-8}]}
+
+-- !sql --
+1	{"key_0":[{"key_1":{"key_2":[1,2,3],"key_8":"sffjx"},"key_10":65535,"key_0":-1},{"key_10":10.23,"key_0":922337203.685}],"id":1}
+
+-- !sql --
+1	{"key_0":[{"key_1":[{"key_2":{"key_3":[{"key_4":255},{"key_4":65535},{"key_7":255,"key_6":3}],"key_5":[{"key_7":"nnpqx","key_6":1},{"key_7":255,"key_6":3}]}}]}],"id":1}
+
diff --git a/regression-test/data/variant_p0/delete.json b/regression-test/data/variant_p0/delete.json
new file mode 100644
index 0000000000..a40687b133
--- /dev/null
+++ b/regression-test/data/variant_p0/delete.json
@@ -0,0 +1 @@
+{"k" : 1, "__DORIS_DELETE_SIGN__": 1}
diff --git a/regression-test/data/variant_p0/delete_update.out b/regression-test/data/variant_p0/delete_update.out
new file mode 100644
index 0000000000..be66efb82e
--- /dev/null
+++ b/regression-test/data/variant_p0/delete_update.out
@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+2	{"updated_value":123}
+3	{"c":3.0,"a":3,"b":[3]}
+4	{"c":4.0,"a":4,"b":[4]}
+5	{"c":5.0,"a":5,"b":[5]}
+
+-- !sql --
+2	{"updated_value":123}	{"updated_value":123}
+
diff --git a/regression-test/data/variant_p0/insert_into_select.out b/regression-test/data/variant_p0/insert_into_select.out
new file mode 100644
index 0000000000..ea1714d2ca
--- /dev/null
+++ b/regression-test/data/variant_p0/insert_into_select.out
@@ -0,0 +1,30 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1	[1]	1
+1	[1]	1
+1	[1]	1
+1	[1]	1
+2	[1]	2
+2	[1]	2
+2	[1]	2
+2	[1]	2
+3	[3]	3
+3	[3]	3
+3	[3]	3
+3	[3]	3
+4	[4]	4
+4	[4]	4
+4	[4]	4
+4	[4]	4
+5	[5]	5
+5	[5]	5
+5	[5]	5
+5	[5]	5
+
+-- !sql --
+{"c":1.0,"a":1,"b":[1]}
+{"c":2.0,"a":2,"b":[1]}
+{"c":3.0,"a":3,"b":[3]}
+{"c":4.0,"a":4,"b":[4]}
+{"c":5.0,"a":5,"b":[5]}
+
diff --git a/regression-test/data/variant_p0/load.out b/regression-test/data/variant_p0/load.out
new file mode 100644
index 0000000000..3b9cdd658b
--- /dev/null
+++ b/regression-test/data/variant_p0/load.out
@@ -0,0 +1,261 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1	[1, 2, null]
+1	[1]
+1	[1]
+1	[null]
+
+-- !sql --
+27
+
+-- !sql --
+
+-- !sql --
+16
+
+-- !sql --
+{"c":"123"}
+{"c":123}
+{"cc":[123.0]}
+{"cc":[123.1]}
+{"ccc":123}
+{"ccc":123321}
+{"cccc":123.0}
+{"cccc":123.11}
+{"ccccc":[123]}
+{"ccccc":[123456789]}
+{"b":1111111111111111}
+{"b":1.222222}
+{"bb":1}
+{"bb":214748364711}
+{"A":1}
+
+-- !sql --
+15
+
+-- !sql_2 --
+123456789101112
+1
+123
+123456
+
+-- !sql_4 --
+123	\N	{"A":123}
+1	\N	{"A":1}
+123456	\N	{"A":123456}
+123456789101112	\N	{"A":123456789101112}
+\N	[123456]	{"AA":[123456]}
+\N	[123456789101112]	{"AA":[123456789101112]}
+
+-- !sql_5 --
+123456	\N	{"A":123456}	{"A":123456}
+123456789101112	\N	{"A":123456789101112}	{"A":123456789101112}
+
+-- !sql_6 --
+\N	\N
+\N	\N
+"123"	\N
+\N	1
+\N	123
+1.10111	1800
+1.1111	17211
+\N	123456
+123	191191
+\N	123456789101112
+
+-- !sql_7 --
+2	1
+1	123
+20	1800
+22	17211
+4	123456
+16	191191
+8	123456789101112
+
+-- !sql_8 --
+\N	123
+\N	1
+\N	123456
+\N	123456789101112
+\N	\N
+\N	\N
+
+-- !sql_11 --
+123
+123456
+123456789101112
+191191
+1800
+17211
+
+-- !sql_12 --
+123	{"A":123}
+123456	{"A":123456}
+123456789101112	{"A":123456789101112}
+191191	{"c":123,"A":191191,"a":123.0}
+1800	{"c":[12345],"A":1800,"a":1.10111}
+17211	{"c":111111,"A":17211,"a":1.1111}
+
+-- !sql_13 --
+\N	123
+\N	1
+\N	123456
+\N	123456789101112
+
+-- !sql_14 --
+\N	123456	{"A":123456}
+
+-- !sql_18 --
+\N	123	{"A":123}	\N
+\N	1	{"A":1}	\N
+\N	123456	{"A":123456}	\N
+\N	123456789101112	{"A":123456789101112}	\N
+\N	\N	{"AA":[123456]}	\N
+\N	\N	{"AA":[123456789101112]}	\N
+123	191191	{"c":123,"A":191191,"a":123.0}	\N
+123	\N	{"c":123456,"a":"123"}	\N
+1.10111	1800	{"c":[12345],"A":1800,"a":1.10111}	\N
+1.1111	17211	{"c":111111,"A":17211,"a":1.1111}	\N
+
+-- !sql_19 --
+\N	\N	{"oamama":1.1}	1.1
+
+-- !sql_20 --
+123456
+
+-- !sql_21_1 --
+12	{"yyy":456,"xxx":123}
+
+-- !sql_21_2 --
+[123456]
+[123456789101112]
+
+-- !sql --
+3
+
+-- !sql_22 --
+123
+\N
+\N
+
+-- !sql_23 --
+\N
+[123]
+\N
+
+-- !sql_24 --
+\N
+\N
+[123]
+
+-- !sql_25 --
+50000	55000.00000000863	6150000
+
+-- !sql_26 --
+5000
+
+-- !sql_29_1 --
+1	{"kxxxx":123}	{"xxxxyyyy":123}
+1	{"kyyyy":"123"}	{"kxkxkxkx":[123]}
+
+-- !sql --
+6
+
+-- !sql --
+4
+
+-- !sql_29 --
+["123",123,[123]]
+123
+123456
+[123,"123",1.11111]
+[123,1.11,"123"]
+[123,{"xx":1}]
+[123,{"a":1}]
+[{"a":1},123]
+
+-- !sql_30 --
+7.111	[123,{"xx":1}]	{"b":{"c":456,"e":7.111}}	456
+
+-- !sql_30 --
+{"a":1123}
+{"a":11245,"c":{"c":456,"e":7.111},"b":[123,{"xx":1}]}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+{"xxxx":"kaana","a":1234}
+
+-- !sql_31 --
+{"a":1123,"c":{"c":456,"e":7.111},"oooo":{"xxxx":{"xxx":123}},"b":[123,{"xx":1}]}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+{"ddd":{"aaa":123,"mxmxm":[456,"789"]},"xxxx":"kaana","a":1234}
+
+-- !sql_32 --
+"2023-06-21 16:35:58.468  INFO [sino-webhook,6dee61f0605a70f3,6dee61f0605a70f3,true] 1 --- [io-8001-exec-13] c.s.c.a.CustomRequestBodyAdviceAdapter   : REQUEST DATA: {String={\\"id\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"token\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"line_items\\":[{\\"id\\":43073082228985,\\"properties\\":{},\\"quantity\\":1000000,\\"variant_id\\":43073082228985,\\"key\\":\\"43073082228985:381f0b4b03d0c76493aa028c4ed006a9\\",\\"discounted_price\\":\\"28.95\\",\\"discounts\\":[],\\"gift_card\\":false,\\"grams\\":0,\\"line_price\\":\\"28950000.00\\",\\"original_line_price\\":\\"28950000.00\\",\\"original_price\\":\\"28.95\\",\\"price\\":\\"28.95\\",\\"product_id\\":7706860617977,\\"sku\\":\\"56011440_Shirt(A)||Brown||M9\\",\\"taxable\\":false,\\"title\\":\\"Men's Hawaiian Short Sleeve Shirt - Shirt(A) \\\\/ Brown \\\\/ M\\",\\"total_discount\\":\\"0.00\\",\\"vendor\\":\\"XT\\",\\"discounted_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"original_line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"total_discount_set\\":{\\"shop_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"}}}],\\"note\\":null,\\"updated_at\\":\\"2023-06-21T08:35:56.674Z\\",\\"created_at\\":\\"2023-06-21T08:35:48.174Z\\"}}"
+
+-- !sql_32_1 --
+2023-06-21 16:35:58.468  INFO [sino-webhook,6dee61f0605a70f3,6dee61f0605a70f3,true] 1 --- [io-8001-exec-13] c.s.c.a.CustomRequestBodyAdviceAdapter   : REQUEST DATA: {String={"id":"3293880a36cd163754ea4f90270331f6","token":"3293880a36cd163754ea4f90270331f6","line_items":[{"id":43073082228985,"properties":{},"quantity":1000000,"variant_id":43073082228985,"key":"43073082228985:381f0b4b03d0c76493aa028c4ed006a9","discounted_price":"28.95","discounts":[],"gift_card":false,"grams":0,"line_price":"28950000.00","original_line_price":"28950000.00","original_price":"28.95","price":"28.95","product_id":7706860617977,"sku":"56011440_Shirt(A)||Brown||M9","taxable":false,"title":"Men's Hawaiian Short Sleeve Shirt - Shirt(A) \\/ Brown \\/ M","total_discount":"0.00","vendor":"XT","discounted_price_set":{"shop_money":{"amount":"28.95","currency_code":"USD"},"presentment_money":{"amount":"28.95","currency_code":"USD"}},"line_price_set":{"shop_money":{"amount":"28950000.0","currency_code":"USD"},"presentment_money":{"amount":"28950000.0","currency_code":"USD"}},"original_line_price_set":{"shop_money":{"amount":"28950000.0","currency_code":"USD"},"presentment_money":{"amount":"28950000.0","currency_code":"USD"}},"price_set":{"shop_money":{"amount":"28.95","currency_code":"USD"},"presentment_money":{"amount":"28.95","currency_code":"USD"}},"total_discount_set":{"shop_money":{"amount":"0.0","currency_code":"USD"},"presentment_money":{"amount":"0.0","currency_code":"USD"}}}],"note":null,"updated_at":"2023-06-21T08:35:56.674Z","created_at":"2023-06-21T08:35:48.174Z"}}
+
+-- !sql_33 --
+"2023-06-21 16:35:58.468  INFO [sino-webhook,6dee61f0605a70f3,6dee61f0605a70f3,true] 1 --- [io-8001-exec-13] c.s.c.a.CustomRequestBodyAdviceAdapter   : REQUEST DATA: {String={\\"id\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"token\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"line_items\\":[{\\"id\\":43073082228985,\\"properties\\":{},\\"quantity\\":1000000,\\"variant_id\\":43073082228985,\\"key\\":\\"43073082228985:381f0b4b03d0c76493aa028c4ed006a9\\",\\"discounted_price\\":\\"28.95\\",\\"discounts\\":[],\\"gift_card\\":false,\\"grams\\":0,\\"line_price\\":\\"28950000.00\\",\\"original_line_price\\":\\"28950000.00\\",\\"original_price\\":\\"28.95\\",\\"price\\":\\"28.95\\",\\"product_id\\":7706860617977,\\"sku\\":\\"56011440_Shirt(A)||Brown||M9\\",\\"taxable\\":false,\\"title\\":\\"Men's Hawaiian Short Sleeve Shirt - Shirt(A) \\\\/ Brown \\\\/ M\\",\\"total_discount\\":\\"0.00\\",\\"vendor\\":\\"XT\\",\\"discounted_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"original_line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"total_discount_set\\":{\\"shop_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"}}}],\\"note\\":null,\\"updated_at\\":\\"2023-06-21T08:35:56.674Z\\",\\"created_at\\":\\"2023-06-21T08:35:48.174Z\\"}}"
+
+-- !sql_33_1 --
+"2023-06-21 16:35:58.468  INFO [sino-webhook,6dee61f0605a70f3,6dee61f0605a70f3,true] 1 --- [io-8001-exec-13] c.s.c.a.CustomRequestBodyAdviceAdapter   : REQUEST DATA: {String={\\"id\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"token\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"line_items\\":[{\\"id\\":43073082228985,\\"properties\\":{},\\"quantity\\":1000000,\\"variant_id\\":43073082228985,\\"key\\":\\"43073082228985:381f0b4b03d0c76493aa028c4ed006a9\\",\\"discounted_price\\":\\"28.95\\",\\"discounts\\":[],\\"gift_card\\":false,\\"grams\\":0,\\"line_price\\":\\"28950000.00\\",\\"original_line_price\\":\\"28950000.00\\",\\"original_price\\":\\"28.95\\",\\"price\\":\\"28.95\\",\\"product_id\\":7706860617977,\\"sku\\":\\"56011440_Shirt(A)||Brown||M9\\",\\"taxable\\":false,\\"title\\":\\"Men's Hawaiian Short Sleeve Shirt - Shirt(A) \\\\/ Brown \\\\/ M\\",\\"total_discount\\":\\"0.00\\",\\"vendor\\":\\"XT\\",\\"discounted_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"original_line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"total_discount_set\\":{\\"shop_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"}}}],\\"note\\":null,\\"updated_at\\":\\"2023-06-21T08:35:56.674Z\\",\\"created_at\\":\\"2023-06-21T08:35:48.174Z\\"}}"
+
+-- !sql_34 --
+"2023-06-21 16:35:58.468  INFO [sino-webhook,6dee61f0605a70f3,6dee61f0605a70f3,true] 1 --- [io-8001-exec-13] c.s.c.a.CustomRequestBodyAdviceAdapter   : REQUEST DATA: {String={\\"id\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"token\\":\\"3293880a36cd163754ea4f90270331f6\\",\\"line_items\\":[{\\"id\\":43073082228985,\\"properties\\":{},\\"quantity\\":1000000,\\"variant_id\\":43073082228985,\\"key\\":\\"43073082228985:381f0b4b03d0c76493aa028c4ed006a9\\",\\"discounted_price\\":\\"28.95\\",\\"discounts\\":[],\\"gift_card\\":false,\\"grams\\":0,\\"line_price\\":\\"28950000.00\\",\\"original_line_price\\":\\"28950000.00\\",\\"original_price\\":\\"28.95\\",\\"price\\":\\"28.95\\",\\"product_id\\":7706860617977,\\"sku\\":\\"56011440_Shirt(A)||Brown||M9\\",\\"taxable\\":false,\\"title\\":\\"Men's Hawaiian Short Sleeve Shirt - Shirt(A) \\\\/ Brown \\\\/ M\\",\\"total_discount\\":\\"0.00\\",\\"vendor\\":\\"XT\\",\\"discounted_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"original_line_price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28950000.0\\",\\"currency_code\\":\\"USD\\"}},\\"price_set\\":{\\"shop_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"28.95\\",\\"currency_code\\":\\"USD\\"}},\\"total_discount_set\\":{\\"shop_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"},\\"presentment_money\\":{\\"amount\\":\\"0.0\\",\\"currency_code\\":\\"USD\\"}}}],\\"note\\":null,\\"updated_at\\":\\"2023-06-21T08:35:56.674Z\\",\\"created_at\\":\\"2023-06-21T08:35:48.174Z\\"}}"
+
+-- !sql_35 --
+
+-- !sql_35_1 --
+
+-- !sql_36_1 --
+1	\N	\N
+\N	\N	1
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+\N	\N	\N
+
+-- !sql_36_2 --
+7702	{"payload":{"commits":[{"sha":"348743fdce27d3f3c97e366381b1b7b371fc4510","author":{"email":"9b7a0973fc99779f7e1822eb7336ff5d28bd2653@users.noreply.github.com","name":"Łukasz Magiera"},"message":"Create README.md","distinct":true,"url":"https://api.github.com/repos/magik6k/BitBuffer/commits/348743fdce27d3f3c97e366381b1b7b371fc4510"}],"before":"4e150694dacd35e7d5cda4e9f6a2aedb1d35db36","head":"348743fdce27d3f3c97e366381b1b7b371fc4510","size":1,"push_id":536752118,"ref":"refs/heads/master","distinct_size":1},"created_at":"2015-01-01T00:59:58Z","id":"2489395761","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/magik6k","id":3867941,"login":"magik6k","avatar_url":"https://avatars.githubusercontent.com/u/3867941?"},"repo":{"url":"https://api.github.com/repos/magik6k/BitBuffer","id":28677864,"name":"magik6k/BitBuffer"},"type":"PushEvent"}
+7701	{"payload":{"pages":[{"page_name":"Android Development Basics","title":"Android Development Basics","summary":null,"action":"edited","sha":"e4e947a4f29b1a06f560ac1e62bd3bf183e434b6","html_url":"https://github.com/wllmtrng/wllmtrng.github.io/wiki/Android-Development-Basics"}]},"created_at":"2015-01-01T00:59:58Z","id":"2489395760","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/wllmtrng","id":1335855,"login":"wllmtrng","avatar_url":"https://avatars.githubusercontent.com/u/1335855?"},"repo":{"url":"https://api.github.com/repos/wllmtrng/wllmtrng.github.io","id":18089434,"name":"wllmtrng/wllmtrng.github.io"},"type":"GollumEvent"}
+7700	{"payload":{"forkee":{"svn_url":"https://github.com/WangXYZ/TBC","pushed_at":"2014-12-24T18:26:11Z","issues_url":"https://api.github.com/repos/WangXYZ/TBC/issues{/number}","events_url":"https://api.github.com/repos/WangXYZ/TBC/events","labels_url":"https://api.github.com/repos/WangXYZ/TBC/labels{/name}","releases_url":"https://api.github.com/repos/WangXYZ/TBC/releases{/id}","keys_url":"https://api.github.com/repos/WangXYZ/TBC/keys{/key_id}","stargazers_url":"https://api.github.com/repos/WangXYZ/TBC/stargazers","has_downloads":1,"commits_url":"https://api.github.com/repos/WangXYZ/TBC/commits{/sha}","downloads_url":"https://api.github.com/repos/WangXYZ/TBC/downloads","default_branch":"master","open_issues":0,"size":9207,"forks_count":0,"id":28678211,"has_wiki":0,"owner":{"starred_url":"https://api.github.com/users/WangXYZ/starred{/owner}{/repo}","url":"https://api.github.com/users/WangXYZ","repos_url":"https://api.github.com/users/WangXYZ/repos","events_url":"https://api.github.com/users/WangXYZ/events{/privacy}","login":"WangXYZ","avatar_url":"https://avatars.githubusercontent.com/u/8252171?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/WangXYZ","received_events_url":"https://api.github.com/users/WangXYZ/received_events","followers_url":"https://api.github.com/users/WangXYZ/followers","following_url":"https://api.github.com/users/WangXYZ/following{/other_user}","gists_url":"https://api.github.com/users/WangXYZ/gists{/gist_id}","type":"Organization","subscriptions_url":"https://api.github.com/users/WangXYZ/subscriptions","organizations_url":"https://api.github.com/users/WangXYZ/orgs","id":8252171},"languages_url":"https://api.github.com/repos/WangXYZ/TBC/languages","git_tags_url":"https://api.github.com/repos/WangXYZ/TBC/git/tags{/sha}","archive_url":"https://api.github.com/repos/WangXYZ/TBC/{archive_format}{/ref}","git_refs_url":"https://api.github.com/repos/WangXYZ/TBC/git/refs{/sha}","trees_url":"https://api.github.com/repos/WangXYZ/TBC/git/trees{/sha}","updated_at":"2014-09-10T17:41:40Z","description":"ACID Scripts for CMaNGOS TBC","forks_url":"https://api.github.com/repos/WangXYZ/TBC/forks","hooks_url":"https://api.github.com/repos/WangXYZ/TBC/hooks","created_at":"2015-01-01T00:59:57Z","fork":1,"forks":0,"subscription_url":"https://api.github.com/repos/WangXYZ/TBC/subscription","compare_url":"https://api.github.com/repos/WangXYZ/TBC/compare/{base}...{head}","url":"https://api.github.com/repos/WangXYZ/TBC","collaborators_url":"https://api.github.com/repos/WangXYZ/TBC/collaborators{/collaborator}","statuses_url":"https://api.github.com/repos/WangXYZ/TBC/statuses/{sha}","comments_url":"https://api.github.com/repos/WangXYZ/TBC/comments{/number}","blobs_url":"https://api.github.com/repos/WangXYZ/TBC/git/blobs{/sha}","html_url":"https://github.com/WangXYZ/TBC","watchers_count":0,"has_issues":0,"has_pages":0,"contents_url":"https://api.github.com/repos/WangXYZ/TBC/contents/{+path}","issue_events_url":"https://api.github.com/repos/WangXYZ/TBC/issues/events{/number}","ssh_url":"git@github.com:WangXYZ/TBC.git","tags_url":"https://api.github.com/repos/WangXYZ/TBC/tags","name":"TBC","issue_comment_url":"https://api.github.com/repos/WangXYZ/TBC/issues/comments/{number}","git_url":"git://github.com/WangXYZ/TBC.git","subscribers_url":"https://api.github.com/repos/WangXYZ/TBC/subscribers","clone_url":"https://github.com/WangXYZ/TBC.git","notifications_url":"https://api.github.com/repos/WangXYZ/TBC/notifications{?since,all,participating}","full_name":"WangXYZ/TBC","private":0,"teams_url":"https://api.github.com/repos/WangXYZ/TBC/teams","milestones_url":"https://api.github.com/repos/WangXYZ/TBC/milestones{/number}","public":1,"git_commits_url":"https://api.github.com/repos/WangXYZ/TBC/git/commits{/sha}","open_issues_count":0,"watchers":0,"contributors_url":"https://api.github.com/repos/WangXYZ/TBC/contributors","branches_url":"https://api.github.com/repos/WangXYZ/TBC/branches{/branch}","stargazers_count":0,"pulls_url":"https://api.github.com/repos/WangXYZ/TBC/pulls{/number}","merges_url":"https://api.github.com/repos/WangXYZ/TBC/merges","assignees_url":"https://api.github.com/repos/WangXYZ/TBC/assignees{/user}"}},"created_at":"2015-01-01T00:59:57Z","id":"2489395755","org":{"gravatar_id":"","url":"https://api.github.com/orgs/ACID-Scripts","id":8674587,"login":"ACID-Scripts","avatar_url":"https://avatars.githubusercontent.com/u/8674587?"},"public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/WangXYZ","id":8252171,"login":"WangXYZ","avatar_url":"https://avatars.githubusercontent.com/u/8252171?"},"repo":{"url":"https://api.github.com/repos/ACID-Scripts/TBC","id":23724137,"name":"ACID-Scripts/TBC"},"type":"ForkEvent"}
+7699	{"payload":{"description":"Game using the MS Kinect that scans the user and creates a 3D version of them.","ref":"master","ref_type":"branch","pusher_type":"user","master_branch":"master"},"created_at":"2015-01-01T00:59:57Z","id":"2489395752","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/chrisjimenez","id":3580593,"login":"chrisjimenez","avatar_url":"https://avatars.githubusercontent.com/u/3580593?"},"repo":{"url":"https://api.github.com/repos/chrisjimenez/IpsePuppet","id":28678128,"name":"chrisjimenez/IpsePuppet"},"type":"CreateEvent"}
+7698	{"payload":{"issue":{"url":"https://api.github.com/repos/antonioortegajr/beerfind.me/issues/12","created_at":"2015-01-01T00:59:56Z","body":"The bee that are being searched for currently should also have logos and descriptions from the API.","events_url":"https://api.github.com/repos/antonioortegajr/beerfind.me/issues/12/events","labels_url":"https://api.github.com/repos/antonioortegajr/beerfind.me/issues/12/labels{/name}","locked":0,"state":"open","comments_url":"https://api.github.com/repos/antonioortegajr/beerfind.me/issues/12/comments","user":{"starred_url":"https://api.github.com/users/antonioortegajr/starred{/owner}{/repo}","url":"https://api.github.com/users/antonioortegajr","repos_url":"https://api.github.com/users/antonioortegajr/repos","events_url":"https://api.github.com/users/antonioortegajr/events{/privacy}","login":"antonioortegajr","avatar_url":"https://avatars.githubusercontent.com/u/6744175?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/antonioortegajr","received_events_url":"https://api.github.com/users/antonioortegajr/received_events","followers_url":"https://api.github.com/users/antonioortegajr/followers","following_url":"https://api.github.com/users/antonioortegajr/following{/other_user}","gists_url":"https://api.github.com/users/antonioortegajr/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/antonioortegajr/subscriptions","organizations_url":"https://api.github.com/users/antonioortegajr/orgs","id":6744175},"title":"add logos and descriptions to beers being searched","id":53210166,"number":12,"comments":0,"updated_at":"2015-01-01T00:59:56Z","html_url":"https://github.com/antonioortegajr/beerfind.me/issues/12"},"action":"opened"},"created_at":"2015-01-01T00:59:56Z","id":"2489395749","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/antonioortegajr","id":6744175,"login":"antonioortegajr","avatar_url":"https://avatars.githubusercontent.com/u/6744175?"},"repo":{"url":"https://api.github.com/repos/antonioortegajr/beerfind.me","id":28573267,"name":"antonioortegajr/beerfind.me"},"type":"IssuesEvent"}
+7697	{"payload":{"action":"closed","pull_request":{"review_comments_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534/comments","url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534","body":"","patch_url":"https://github.com/XLabs/Xamarin-Forms-Labs/pull/534.patch","head":{"ref":"master","user":{"starred_url":"https://api.github.com/users/bokmadsen/starred{/owner}{/repo}","url":"https://api.github.com/users/bokmadsen","repos_url":"https://api.github.com/users/bokmadsen/repos","events_url":"https://api.github.com/users/bokmadsen/events{/privacy}","login":"bokmadsen","avatar_url":"https://avatars.githubusercontent.com/u/790740?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/bokmadsen","received_events_url":"https://api.github.com/users/bokmadsen/received_events","followers_url":"https://api.github.com/users/bokmadsen/followers","following_url":"https://api.github.com/users/bokmadsen/following{/other_user}","gists_url":"https://api.github.com/users/bokmadsen/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/bokmadsen/subscriptions","organizations_url":"https://api.github.com/users/bokmadsen/orgs","id":790740},"sha":"2a664fd4ac7e8ff340893ad5e4c2f50127ee52c6","label":"bokmadsen:master","repo":{"svn_url":"https://github.com/bokmadsen/Xamarin-Forms-Labs","pushed_at":"2014-12-21T16:59:46Z","url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs","issues_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/issues{/number}","collaborators_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/collaborators{/collaborator}","events_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/events","has_downloads":1,"labels_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/labels{/name}","keys_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/keys{/key_id}","releases_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/releases{/id}","stargazers_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/stargazers","statuses_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/statuses/{sha}","comments_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/comments{/number}","blobs_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/git/blobs{/sha}","html_url":"https://github.com/bokmadsen/Xamarin-Forms-Labs","has_pages":1,"commits_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/commits{/sha}","downloads_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/downloads","contents_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/contents/{+path}","has_issues":0,"issue_events_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/issues/events{/number}","ssh_url":"git@github.com:bokmadsen/Xamarin-Forms-Labs.git","watchers_count":0,"default_branch":"master","open_issues":0,"size":96455,"forks_count":0,"tags_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/tags","id":28305437,"name":"Xamarin-Forms-Labs","has_wiki":1,"issue_comment_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/issues/comments/{number}","owner":{"starred_url":"https://api.github.com/users/bokmadsen/starred{/owner}{/repo}","url":"https://api.github.com/users/bokmadsen","repos_url":"https://api.github.com/users/bokmadsen/repos","events_url":"https://api.github.com/users/bokmadsen/events{/privacy}","login":"bokmadsen","avatar_url":"https://avatars.githubusercontent.com/u/790740?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/bokmadsen","received_events_url":"https://api.github.com/users/bokmadsen/received_events","followers_url":"https://api.github.com/users/bokmadsen/followers","following_url":"https://api.github.com/users/bokmadsen/following{/other_user}","gists_url":"https://api.github.com/users/bokmadsen/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/bokmadsen/subscriptions","organizations_url":"https://api.github.com/users/bokmadsen/orgs","id":790740},"languages_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/languages","git_url":"git://github.com/bokmadsen/Xamarin-Forms-Labs.git","subscribers_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/subscribers","clone_url":"https://github.com/bokmadsen/Xamarin-Forms-Labs.git","notifications_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/notifications{?since,all,participating}","git_tags_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/git/tags{/sha}","archive_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/{archive_format}{/ref}","full_name":"bokmadsen/Xamarin-Forms-Labs","private":0,"teams_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/teams","milestones_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/milestones{/number}","git_refs_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/git/refs{/sha}","git_commits_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/git/commits{/sha}","trees_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/git/trees{/sha}","updated_at":"2014-12-21T16:59:46Z","description":"Xamarin Forms Labs is a open source project that aims to provide a powerful and cross platform set of controls and helpers tailored to work with Xamarin Forms.","forks_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/forks","open_issues_count":0,"hooks_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/hooks","watchers":0,"created_at":"2014-12-21T16:32:52Z","contributors_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/contributors","branches_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/branches{/branch}","stargazers_count":0,"fork":1,"forks":0,"compare_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/compare/{base}...{head}","pulls_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/pulls{/number}","subscription_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/subscription","merges_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/merges","assignees_url":"https://api.github.com/repos/bokmadsen/Xamarin-Forms-Labs/assignees{/user}","language":"C#","homepage":""}},"issue_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/534","statuses_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/statuses/2a664fd4ac7e8ff340893ad5e4c2f50127ee52c6","comments_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/534/comments","diff_url":"https://github.com/XLabs/Xamarin-Forms-Labs/pull/534.diff","_links":{"self":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534"},"commits":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534/commits"},"review_comments":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534/comments"},"statuses":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/statuses/2a664fd4ac7e8ff340893ad5e4c2f50127ee52c6"},"comments":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/534/comments"},"html":{"href":"https://github.com/XLabs/Xamarin-Forms-Labs/pull/534"},"issue":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/534"},"review_comment":{"href":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/comments/{number}"}},"title":"Added null check in HybridWebView","base":{"ref":"master","user":{"starred_url":"https://api.github.com/users/XLabs/starred{/owner}{/repo}","url":"https://api.github.com/users/XLabs","repos_url":"https://api.github.com/users/XLabs/repos","events_url":"https://api.github.com/users/XLabs/events{/privacy}","login":"XLabs","avatar_url":"https://avatars.githubusercontent.com/u/7787062?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/XLabs","received_events_url":"https://api.github.com/users/XLabs/received_events","followers_url":"https://api.github.com/users/XLabs/followers","following_url":"https://api.github.com/users/XLabs/following{/other_user}","gists_url":"https://api.github.com/users/XLabs/gists{/gist_id}","type":"Organization","subscriptions_url":"https://api.github.com/users/XLabs/subscriptions","organizations_url":"https://api.github.com/users/XLabs/orgs","id":7787062},"sha":"6906dd38ff69debcc304cb05b6877fae71747acd","label":"XLabs:master","repo":{"svn_url":"https://github.com/XLabs/Xamarin-Forms-Labs","pushed_at":"2015-01-01T00:59:12Z","url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs","issues_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues{/number}","collaborators_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/collaborators{/collaborator}","events_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/events","has_downloads":1,"labels_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/labels{/name}","keys_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/keys{/key_id}","releases_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/releases{/id}","stargazers_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/stargazers","statuses_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/statuses/{sha}","comments_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/comments{/number}","blobs_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/git/blobs{/sha}","html_url":"https://github.com/XLabs/Xamarin-Forms-Labs","has_pages":1,"commits_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/commits{/sha}","downloads_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/downloads","contents_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/contents/{+path}","has_issues":1,"issue_events_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/events{/number}","ssh_url":"git@github.com:XLabs/Xamarin-Forms-Labs.git","watchers_count":340,"default_branch":"master","open_issues":92,"size":104805,"forks_count":210,"tags_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/tags","id":20463939,"name":"Xamarin-Forms-Labs","has_wiki":1,"issue_comment_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/issues/comments/{number}","owner":{"starred_url":"https://api.github.com/users/XLabs/starred{/owner}{/repo}","url":"https://api.github.com/users/XLabs","repos_url":"https://api.github.com/users/XLabs/repos","events_url":"https://api.github.com/users/XLabs/events{/privacy}","login":"XLabs","avatar_url":"https://avatars.githubusercontent.com/u/7787062?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/XLabs","received_events_url":"https://api.github.com/users/XLabs/received_events","followers_url":"https://api.github.com/users/XLabs/followers","following_url":"https://api.github.com/users/XLabs/following{/other_user}","gists_url":"https://api.github.com/users/XLabs/gists{/gist_id}","type":"Organization","subscriptions_url":"https://api.github.com/users/XLabs/subscriptions","organizations_url":"https://api.github.com/users/XLabs/orgs","id":7787062},"languages_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/languages","git_url":"git://github.com/XLabs/Xamarin-Forms-Labs.git","subscribers_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/subscribers","clone_url":"https://github.com/XLabs/Xamarin-Forms-Labs.git","notifications_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/notifications{?since,all,participating}","git_tags_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/git/tags{/sha}","archive_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/{archive_format}{/ref}","full_name":"XLabs/Xamarin-Forms-Labs","private":0,"teams_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/teams","milestones_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/milestones{/number}","git_refs_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/git/refs{/sha}","git_commits_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/git/commits{/sha}","trees_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/git/trees{/sha}","updated_at":"2015-01-01T00:59:13Z","description":"Xamarin Forms Labs is a open source project that aims to provide a powerful and cross platform set of controls and helpers tailored to work with Xamarin Forms.","forks_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/forks","open_issues_count":92,"hooks_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/hooks","watchers":340,"created_at":"2014-06-03T23:53:11Z","contributors_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/contributors","branches_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/branches{/branch}","stargazers_count":340,"fork":0,"forks":210,"compare_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/compare/{base}...{head}","pulls_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls{/number}","subscription_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/subscription","merges_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/merges","assignees_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/assignees{/user}","language":"C#","homepage":""}},"updated_at":"2015-01-01T00:59:55Z","html_url":"https://github.com/XLabs/Xamarin-Forms-Labs/pull/534","commits_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/534/commits","created_at":"2014-12-21T17:00:20Z","locked":0,"state":"closed","user":{"starred_url":"https://api.github.com/users/bokmadsen/starred{/owner}{/repo}","url":"https://api.github.com/users/bokmadsen","repos_url":"https://api.github.com/users/bokmadsen/repos","events_url":"https://api.github.com/users/bokmadsen/events{/privacy}","login":"bokmadsen","avatar_url":"https://avatars.githubusercontent.com/u/790740?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/bokmadsen","received_events_url":"https://api.github.com/users/bokmadsen/received_events","followers_url":"https://api.github.com/users/bokmadsen/followers","following_url":"https://api.github.com/users/bokmadsen/following{/other_user}","gists_url":"https://api.github.com/users/bokmadsen/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/bokmadsen/subscriptions","organizations_url":"https://api.github.com/users/bokmadsen/orgs","id":790740},"id":26429779,"number":534,"review_comment_url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs/pulls/comments/{number}","additions":16,"changed_files":1,"mergeable_state":"clean","review_comments":0,"deletions":14,"merged":0,"merge_commit_sha":"9cda5a97584b1ad549fff2dcaaf304adeb27ae07","commits":1,"closed_at":"2015-01-01T00:59:55Z","mergeable":1,"comments":0},"number":534},"created_at":"2015-01-01T00:59:55Z","id":"2489395745","org":{"gravatar_id":"","url":"https://api.github.com/orgs/XLabs","id":7787062,"login":"XLabs","avatar_url":"https://avatars.githubusercontent.com/u/7787062?"},"public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/rmarinho","id":1235097,"login":"rmarinho","avatar_url":"https://avatars.githubusercontent.com/u/1235097?"},"repo":{"url":"https://api.github.com/repos/XLabs/Xamarin-Forms-Labs","id":20463939,"name":"XLabs/Xamarin-Forms-Labs"},"type":"PullRequestEvent"}
+7696	{"payload":{"commits":[{"sha":"c356eac8fa4409a1aa794ab07244250a862da03b","author":{"email":"de8898f6c55e335aa0a2b937fae65fb756ee038f@gmail.com","name":"Zaryafaraj"},"message":"reserve modal styles","distinct":true,"url":"https://api.github.com/repos/Fathalian/Guild/commits/c356eac8fa4409a1aa794ab07244250a862da03b"},{"sha":"9a773fc648910c7a2499401f44a6e5f71eb30460","author":{"email":"de8898f6c55e335aa0a2b937fae65fb756ee038f@gmail.com","name":"Zaryafaraj"},"message":"Merge branch 'master' of https://github.com/Fathalian/Guild\\n\\nConflicts:\\n\\tapp/templates/reserveModal.html","distinct":true,"url":"https://api.github.com/repos/Fathalian/Guild/commits/9a773fc648910c7a2499401f44a6e5f71eb30460"}],"before":"da6d28eba11c89836e132bbba032c22d92e4f233","head":"9a773fc648910c7a2499401f44a6e5f71eb30460","size":2,"push_id":536752114,"ref":"refs/heads/master","distinct_size":2},"created_at":"2015-01-01T00:59:55Z","id":"2489395744","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/Zaryafaraj","id":1356088,"login":"Zaryafaraj","avatar_url":"https://avatars.githubusercontent.com/u/1356088?"},"repo":{"url":"https://api.github.com/repos/Fathalian/Guild","id":26995510,"name":"Fathalian/Guild"},"type":"PushEvent"}
+7695	{"payload":{"commits":[{"sha":"17cf9ea07662d74b2d5bac1cf976f5853a63920d","author":{"email":"af59d1d6805404937849f05dafd5a911888fd7a4@gmail.com","name":"Kevin Hofmaenner"},"message":"minor UI tweak","distinct":true,"url":"https://api.github.com/repos/kevinhofmaenner/blackjack/commits/17cf9ea07662d74b2d5bac1cf976f5853a63920d"}],"before":"6b4f5af0a2a70bbe00cd88281823b436d506ff2d","head":"17cf9ea07662d74b2d5bac1cf976f5853a63920d","size":1,"push_id":536752112,"ref":"refs/heads/master","distinct_size":1},"created_at":"2015-01-01T00:59:55Z","id":"2489395742","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/kevinhofmaenner","id":10161858,"login":"kevinhofmaenner","avatar_url":"https://avatars.githubusercontent.com/u/10161858?"},"repo":{"url":"https://api.github.com/repos/kevinhofmaenner/blackjack","id":28652857,"name":"kevinhofmaenner/blackjack"},"type":"PushEvent"}
+7694	{"payload":{"commits":[{"sha":"aa8ec0de017c8003758776739facc819e33ac7c9","author":{"email":"e0e04a2320844b42511db0376599e166ab5bda54@gmail.com","name":"Runhang Li"},"message":"finish all hamms test","distinct":true,"url":"https://api.github.com/repos/marklrh/ocaml-cohttp-test/commits/aa8ec0de017c8003758776739facc819e33ac7c9"}],"before":"2bb795fc30fc15ab85bcc10f894bfcfa118d69bc","head":"aa8ec0de017c8003758776739facc819e33ac7c9","size":1,"push_id":536752109,"ref":"refs/heads/master","distinct_size":1},"created_at":"2015-01-01T00:59:53Z","id":"2489395735","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/marklrh","id":3656079,"login":"marklrh","avatar_url":"https://avatars.githubusercontent.com/u/3656079?"},"repo":{"url":"https://api.github.com/repos/marklrh/ocaml-cohttp-test","id":27470715,"name":"marklrh/ocaml-cohttp-test"},"type":"PushEvent"}
+7693	{"payload":{"commits":[{"sha":"0b27989723feb4b183d5f87813fef146b670b1d1","author":{"email":"7c5a0c567b5584a13fde407456875318a5bec977@gmail.com","name":"Raphaël Benitte"},"message":"Add time clock widget + Improve stylus theming","distinct":true,"url":"https://api.github.com/repos/plouc/mozaik/commits/0b27989723feb4b183d5f87813fef146b670b1d1"}],"before":"7ddf17eb74fff5adad6e2feb72bcb627d4644800","head":"0b27989723feb4b183d5f87813fef146b670b1d1","size":1,"push_id":536752104,"ref":"refs/heads/master","distinct_size":1},"created_at":"2015-01-01T00:59:51Z","id":"2489395728","public":1,"actor":{"gravatar_id":"","url":"https://api.github.com/users/plouc","id":501642,"login":"plouc","avatar_url":"https://avatars.githubusercontent.com/u/501642?"},"repo":{"url":"https://api.github.com/repos/plouc/mozaik","id":28498113,"name":"plouc/mozaik"},"type":"PushEvent"}
+
+-- !sql_36_3 --
+2	{"updated_value":10}
+
+-- !sql_37 --
+1	{"a":""}
+1	{"a":"1"}
+1	{"a":1}
+1	{"a":1}
+
+-- !sql_38 --
+3	abd	{"d":1}
+
+-- !sql_31 --
+kaana
+
diff --git a/regression-test/data/variant_p0/multi_var.out b/regression-test/data/variant_p0/multi_var.out
new file mode 100644
index 0000000000..18e31a4a5a
--- /dev/null
+++ b/regression-test/data/variant_p0/multi_var.out
@@ -0,0 +1,37 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1	\N	\N	\N	\N	\N
+1	hello world	\N	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	hello world	[1234]	\N	\N	\N
+1	\N	\N	\N	\N	\N
+1	hello world	\N	\N	\N	\N
+
+-- !sql --
+\N	\N	\N	123	\N	\N
+\N	\N	\N	123	\N	\N
+\N	\N	\N	123	elden ring	\N
+\N	\N	\N	123	elden ring	\N
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+
+-- !sql --
+\N	\N	\N	123	\N	\N
+\N	\N	\N	123	elden ring	\N
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	elden ring	1.1112
+\N	\N	\N	123	\N	\N
+\N	\N	\N	123	elden ring	\N
+
diff --git a/regression-test/data/variant_p0/schema_change.out b/regression-test/data/variant_p0/schema_change.out
new file mode 100644
index 0000000000..0c7852ac72
--- /dev/null
+++ b/regression-test/data/variant_p0/schema_change.out
@@ -0,0 +1,49 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+
+-- !sql --
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+
+-- !sql --
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+
+-- !sql --
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+1	hello world
+
diff --git a/regression-test/data/variant_p0/sql/gh_data.out b/regression-test/data/variant_p0/sql/gh_data.out
new file mode 100644
index 0000000000..7fc5e10dbe
--- /dev/null
+++ b/regression-test/data/variant_p0/sql/gh_data.out
@@ -0,0 +1,65 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !gh_data --
+0
+
+-- !gh_data_2 --
+5000
+
+-- !gh_data_3 --
+leonardomso/33-js-concepts	3
+ytdl-org/youtube-dl	3
+Bogdanp/neko	2
+bminossi/AllVideoPocsFromHackerOne	2
+disclose/diodata	2
+
+-- !gh_data_4 --
+14690758274
+
+-- !gh_data_5 --
+73453762334584
+
+-- !gh_data_6 --
+457806339
+
+-- !gh_data_7 --
+0
+
+-- !gh_data_8 --
+19829
+
+-- !gh_data_9 --
+49390617
+64890096
+10696700
+33066637
+32271952
+2051941
+32271952
+57325392
+42386044
+73801003
+
+-- !gh_data_10 --
+27	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:27Z","id":"14690746717","public":1,"actor":{"gravatar_id":"","display_login":"sergdudnik","url":"https://api.github.com/users/sergdudnik","id":16341546,"login":"sergdudnik","avatar_url":"https://avatars.githubusercontent.com/u/16341546?"},"repo":{"url":"https://api.github.com/repos/leonardomso/33-js-concepts","id":147350463,"name":"leonardomso/33-js-concepts"},"type":"WatchEvent"}
+36	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:27Z","id":"14690746732","public":1,"actor":{"gravatar_id":"","display_login":"juliusHuelsmann","url":"https://api.github.com/users/juliusHuelsmann","id":9212314,"login":"juliusHuelsmann","avatar_url":"https://avatars.githubusercontent.com/u/9212314?"},"repo":{"url":"https://api.github.com/repos/odeke-em/drive","id":26109545,"name":"odeke-em/drive"},"type":"WatchEvent"}
+46	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:27Z","id":"14690746749","org":{"gravatar_id":"","url":"https://api.github.com/orgs/GO-LiFE","id":38434522,"login":"GO-LiFE","avatar_url":"https://avatars.githubusercontent.com/u/38434522?"},"public":1,"actor":{"gravatar_id":"","display_login":"okbean","url":"https://api.github.com/users/okbean","id":75969386,"login":"okbean","avatar_url":"https://avatars.githubusercontent.com/u/75969386?"},"repo":{"url":"https://api.github.com/repos/GO-LiFE/GoFIT_SDK_Android","id":141905736,"name":"GO-LiFE/GoFIT_SDK_Android"},"type":"WatchEvent"}
+56	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:28Z","id":"14690746773","public":1,"actor":{"gravatar_id":"","display_login":"PWDream","url":"https://api.github.com/users/PWDream","id":4903755,"login":"PWDream","avatar_url":"https://avatars.githubusercontent.com/u/4903755?"},"repo":{"url":"https://api.github.com/repos/MrXujiang/h5-Dooring","id":289417971,"name":"MrXujiang/h5-Dooring"},"type":"WatchEvent"}
+86	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:29Z","id":"14690746843","public":1,"actor":{"gravatar_id":"","display_login":"Gui-Yom","url":"https://api.github.com/users/Gui-Yom","id":25181283,"login":"Gui-Yom","avatar_url":"https://avatars.githubusercontent.com/u/25181283?"},"repo":{"url":"https://api.github.com/repos/redsaph/cleartext","id":106453399,"name":"redsaph/cleartext"},"type":"WatchEvent"}
+98	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:29Z","id":"14690746866","org":{"gravatar_id":"","url":"https://api.github.com/orgs/sherlock-project","id":48293496,"login":"sherlock-project","avatar_url":"https://avatars.githubusercontent.com/u/48293496?"},"public":1,"actor":{"gravatar_id":"","display_login":"humaidk2","url":"https://api.github.com/users/humaidk2","id":12982026,"login":"humaidk2","avatar_url":"https://avatars.githubusercontent.com/u/12982026?"},"repo":{"url":"https://api.github.com/repos/sherlock-project/sherlock","id":162998479,"name":"sherlock-project/sherlock"},"type":"WatchEvent"}
+101	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:29Z","id":"14690746870","public":1,"actor":{"gravatar_id":"","display_login":"hasantezcan","url":"https://api.github.com/users/hasantezcan","id":32804505,"login":"hasantezcan","avatar_url":"https://avatars.githubusercontent.com/u/32804505?"},"repo":{"url":"https://api.github.com/repos/okandavut/react-spotify-nowplaying","id":326215605,"name":"okandavut/react-spotify-nowplaying"},"type":"WatchEvent"}
+112	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:30Z","id":"14690746899","public":1,"actor":{"gravatar_id":"","display_login":"nicholas-robertson","url":"https://api.github.com/users/nicholas-robertson","id":17681331,"login":"nicholas-robertson","avatar_url":"https://avatars.githubusercontent.com/u/17681331?"},"repo":{"url":"https://api.github.com/repos/sentriz/gonic","id":178435468,"name":"sentriz/gonic"},"type":"WatchEvent"}
+122	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:30Z","id":"14690746914","org":{"gravatar_id":"","url":"https://api.github.com/orgs/netlify-labs","id":47546088,"login":"netlify-labs","avatar_url":"https://avatars.githubusercontent.com/u/47546088?"},"public":1,"actor":{"gravatar_id":"","display_login":"javaniecampbell","url":"https://api.github.com/users/javaniecampbell","id":1676496,"login":"javaniecampbell","avatar_url":"https://avatars.githubusercontent.com/u/1676496?"},"repo":{"url":"https://api.github.com/repos/netlify-labs/react-netlify-identity-widget","id":182606378,"name":"netlify-labs/react-netlify-identity-widget"},"type":"WatchEvent"}
+169	{"payload":{"action":"started"},"created_at":"2021-01-02T16:37:32Z","id":"14690747028","org":{"gravatar_id":"","url":"https://api.github.com/orgs/microsoft","id":6154722,"login":"microsoft","avatar_url":"https://avatars.githubusercontent.com/u/6154722?"},"public":1,"actor":{"gravatar_id":"","display_login":"Yxnt","url":"https://api.github.com/users/Yxnt","id":10323352,"login":"Yxnt","avatar_url":"https://avatars.githubusercontent.com/u/10323352?"},"repo":{"url":"https://api.github.com/repos/microsoft/BotBuilder-Samples","id":68730444,"name":"microsoft/BotBuilder-Samples"},"type":"WatchEvent"}
+
+-- !gh_data_11 --
+2051941	1
+10696700	1
+32271952	2
+33066637	1
+42386044	1
+49390617	1
+57325392	1
+59654005	1
+64890096	1
+73801003	1
+
diff --git a/regression-test/data/variant_p0/with_index/load.out b/regression-test/data/variant_p0/with_index/load.out
new file mode 100644
index 0000000000..61ffbfbe2e
--- /dev/null
+++ b/regression-test/data/variant_p0/with_index/load.out
@@ -0,0 +1,28 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql_inv_1 --
+0
+123
+
+-- !sql_inv_2 --
+123
+
+-- !sql_inv_3 --
+3	{"a":123}	hello world
+
+-- !sql_inv4 --
+0
+
+-- !sql_inv5 --
+1	{"b1":3,"a1":0}	hello world
+2	{"a2":123}	world
+3	{"a3":123}	hello world
+4	{"b2":3,"b1":0}	hello world
+5	{"b2":123}	world
+6	{"b3":123}	hello world
+
+-- !sql_inv6 --
+9	{"a3":123}	hello world
+8	{"a2":123}	world
+7	{"b1":3,"a1":0}	hello world
+6	{"b3":123}	hello world
+
diff --git a/regression-test/data/variant_p0/with_index/var_index.out b/regression-test/data/variant_p0/with_index/var_index.out
new file mode 100644
index 0000000000..a1fa5c0444
--- /dev/null
+++ b/regression-test/data/variant_p0/with_index/var_index.out
@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+2	{"c":1181111,"a":18811,"b":"hello world"}
+3	{"c":11111,"a":18811,"b":"hello wworld"}
+4	{"c":8181111,"a":1234,"b":"hello xxx world"}
+
+-- !sql --
+2	{"c":1181111,"a":18811,"b":"hello world"}
+4	{"c":8181111,"a":1234,"b":"hello xxx world"}
+
diff --git a/regression-test/data/variant_p2/load.out b/regression-test/data/variant_p2/load.out
new file mode 100644
index 0000000000..86df6f121e
--- /dev/null
+++ b/regression-test/data/variant_p2/load.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+44273863
+
diff --git a/regression-test/data/variant_p2/sql/authorsWithTheMostPushes.out b/regression-test/data/variant_p2/sql/authorsWithTheMostPushes.out
new file mode 100644
index 0000000000..569a84d202
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/authorsWithTheMostPushes.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !authorsWithTheMostPushes --
+KenanSulayman	150218	31
+greatfirebot	102604	4
+mirror-updates	84117	42
+greatfire	45199	2
+rydnr	43285	18
+pbaffiliate1	41473	6
+chapuni	35820	18
+asfgit	34623	391
+meatballhat	31119	57
+direwolf-github	28690	1
+openstack-gerrit	28358	473
+diversify-exp-user	25708	2
+dsm-git	25470	73
+wmst	23587	1
+qdm	21165	1
+cn-nytimes	20415	1
+wmfgerrit	19150	761
+maomihz	18291	2
+lukeis	17764	11
+cato-	16394	8
+efa2000	16010	6
+hubot	15856	306
+pluginmirror-worker	15692	3283
+k-okada	13944	86
+pbaffiliatetwoop	13892	3
+timmmmyboy	12912	11
+gnomesysadmins	12742	383
+micahyoung	12368	5
+InternetDevels	12344	3
+bmorganatlas	12018	2
+keum	11906	11
+eotect	11367	7
+kinlane	11248	67
+alma-dev	11224	1369
+hwine	11116	16
+alexcrichton	10976	85
+abeta	9648	9
+brucemcpherson	9277	95
+xinwendashibaike	8915	5
+cmsbuild	8713	4
+kodekloud	7819	30
+uqs	7748	3
+malevolm	7578	3
+unicoremachina	7550	152
+linphone-sync-bot	7542	22
+angelventura	7392	6
+xndcn	7226	9
+designerwebhosting	7131	8
+swegener	7076	2
+CocoaPodsBot	6650	3
+
diff --git a/regression-test/data/variant_p2/sql/countingStar1.out b/regression-test/data/variant_p2/sql/countingStar1.out
new file mode 100644
index 0000000000..f60d8e6483
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/countingStar1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar1 --
+3951085
+
diff --git a/regression-test/data/variant_p2/sql/countingStar2.out b/regression-test/data/variant_p2/sql/countingStar2.out
new file mode 100644
index 0000000000..8c140a9300
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/countingStar2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar2 --
+started	3951085
+
diff --git a/regression-test/data/variant_p2/sql/countingStar3.out b/regression-test/data/variant_p2/sql/countingStar3.out
new file mode 100644
index 0000000000..d447b2edd8
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/countingStar3.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !countingStar3 --
+4925
+
diff --git a/regression-test/data/variant_p2/sql/distributionOfRepositoriesByStarCount.out b/regression-test/data/variant_p2/sql/distributionOfRepositoriesByStarCount.out
new file mode 100644
index 0000000000..6a067f9a3a
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/distributionOfRepositoriesByStarCount.out
@@ -0,0 +1,8 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !distributionOfRepositoriesByStarCount --
+1	523331
+10	42165
+100	5258
+1000	270
+10000	1
+
diff --git a/regression-test/data/variant_p2/sql/githubRoulette.out b/regression-test/data/variant_p2/sql/githubRoulette.out
new file mode 100644
index 0000000000..0d0bb06898
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/githubRoulette.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !githubRoulette --
+SirVer/ultisnips
+jessesquires/JSQMessagesViewController
+DanielGorlo/ISIS.js
+idris-lang/idris-tutorial
+xiaobozi/youku-lixian
+sorentwo/readthis
+tomakehurst/wiremock
+idris-lang/Idris-dev
+angular/angular-seed
+erming/shout
+substack/geodetic-to-ecef
+msgpack/msgpack-java
+ropensci/webservices
+Learn-Dev/Learn-Dev-Theme---Dashboard-partie-1
+greggman/webgl-fundamentals
+suffick/Tearable-Cloth
+mlemerre/l-lang
+glfw/glfw
+simplegeo/python-geohash
+chrislusf/weed-fs
+eviltrout/ember-renderspeed
+ejurgensen/forked-daapd
+idris-hackers/idris-vim
+evanbrooks/syntax-highlight
+jpsarda/Pixel-based-destructible-ground-with-Cocos2d-iPhone
+tyler/trie
+ilirb/ahk-scripts
+adafruit/Adafruit_SSD1306
+basecamp/bcx-api
+codegangsta/cli
+dockerboard/dockerboard
+csmith-project/csmith
+josh/cafe-js
+docker/fig
+auchenberg/chrome-devtools-app
+kenjiSpecial/100day-canvas-bootcamp-training
+SchemaPlus/schema_plus
+kaimu/ionic-vs2013-intellisense
+SignalR/SignalR
+sunng87/node-geohash
+joyent/node
+codelucas/newspaper
+prakhar1989/awesome-courses
+coreos/etcd
+cssdream/cssgrace
+spf13/hugo
+maxwellito/vivus
+WhisperSystems/RedPhone
+omz/AppSales-Mobile
+casatt/html5-videoEditor
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
new file mode 100644
index 0000000000..b6b264b11f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears1 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
new file mode 100644
index 0000000000..1f82eb03fa
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears2 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
new file mode 100644
index 0000000000..8b3156f98f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears3 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
new file mode 100644
index 0000000000..496e681f6d
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears4 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
new file mode 100644
index 0000000000..13116d3cc7
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears5 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
new file mode 100644
index 0000000000..16eb965b64
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears6 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.out b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.out
new file mode 100644
index 0000000000..998b22fa77
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.out
@@ -0,0 +1,13 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheListOfTopRepositoriesChangedOverTheYears7 --
+facebook/react-native	2015	10021
+phanan/htaccess	2015	7964
+alex/what-happens-when	2015	7407
+facebook/react	2015	6762
+moklick/frontend-stuff	2015	6528
+prakhar1989/awesome-courses	2015	6110
+yaronn/blessed-contrib	2015	5880
+arasatasaygin/is.js	2015	5498
+vhf/free-programming-books	2015	5437
+tiimgreen/github-cheat-sheet	2015	5420
+
diff --git a/regression-test/data/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.out b/regression-test/data/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.out
new file mode 100644
index 0000000000..e089d1fb78
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !howHasTheTotalNumberOfStarsChangedOverTime --
+2015	3951085
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments1.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments1.out
new file mode 100644
index 0000000000..65a9891bf1
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments1 --
+4237859
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments2.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments2.out
new file mode 100644
index 0000000000..fe95c99e16
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments2 --
+chrsmith/bwapi	28873
+owncloud/core	24124
+apache/spark	21708
+chrsmith/google-api-java-client	20317
+rust-lang/rust	19251
+GoogleCloudPlatform/kubernetes	16616
+docker/docker	16562
+cms-sw/cmssw	15740
+chrsmith/reaver-wps	14305
+tgstation/-tg-station	13022
+chrsmith/html5rocks	10539
+chrsmith/open-ig	10130
+iojs/io.js	8927
+JuliaLang/julia	8918
+saltstack/salt	8792
+Homebrew/homebrew	8192
+spyder-ide/spyder	7874
+SiCKRAGETV/sickrage-issues	7635
+pychess/pychess	7618
+joomla/joomla-cms	7367
+xbmc/xbmc	7320
+openshift/origin	7242
+ManageIQ/manageiq	6862
+mozilla-b2g/gaia	6791
+ConEmu/old-issues	6731
+edx/edx-platform	6595
+dotnet/roslyn	6348
+chrsmith/hedgewars	6134
+rails/rails	5919
+atom/atom	5885
+brianchandotcom/liferay-portal	5851
+NixOS/nixpkgs	5475
+yiisoft/yii2	5173
+FortAwesome/Font-Awesome	4863
+neovim/neovim	4770
+scikit-learn/scikit-learn	4542
+angular/angular.js	4524
+CleverRaven/Cataclysm-DDA	4372
+symfony/symfony	4354
+CartoDB/cartodb	4352
+ember-cli/ember-cli	4299
+ceph/ceph	4263
+npm/npm	4252
+sphinx-doc/testing2	4220
+laravel/framework	4217
+RIOT-OS/RIOT	4091
+gorhill/uBlock	4088
+rust-lang/rfcs	4051
+OpenRA/OpenRA	3993
+Microsoft/TypeScript	3963
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments3.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments3.out
new file mode 100644
index 0000000000..a9b5b17ca0
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments3 --
+chrsmith/bwapi	28873	499	58
+owncloud/core	24124	3172	8
+apache/spark	21708	1693	13
+chrsmith/google-api-java-client	20317	782	26
+rust-lang/rust	19251	4525	4
+GoogleCloudPlatform/kubernetes	16616	3057	5
+docker/docker	16562	2933	6
+cms-sw/cmssw	15740	1678	9
+chrsmith/reaver-wps	14305	544	26
+tgstation/-tg-station	13022	1786	7
+chrsmith/html5rocks	10539	884	12
+chrsmith/open-ig	10130	898	11
+iojs/io.js	8927	1124	8
+JuliaLang/julia	8918	1383	6
+saltstack/salt	8792	2386	4
+Homebrew/homebrew	8192	2315	4
+spyder-ide/spyder	7874	1813	4
+SiCKRAGETV/sickrage-issues	7635	766	10
+pychess/pychess	7618	930	8
+joomla/joomla-cms	7367	1276	6
+xbmc/xbmc	7320	836	9
+openshift/origin	7242	908	8
+ManageIQ/manageiq	6862	1180	6
+mozilla-b2g/gaia	6791	2118	3
+ConEmu/old-issues	6731	1120	6
+edx/edx-platform	6595	1086	6
+dotnet/roslyn	6348	1304	5
+chrsmith/hedgewars	6134	862	7
+rails/rails	5919	1580	4
+atom/atom	5885	1469	4
+brianchandotcom/liferay-portal	5851	2221	3
+NixOS/nixpkgs	5475	1335	4
+yiisoft/yii2	5173	1302	4
+FortAwesome/Font-Awesome	4863	1457	3
+neovim/neovim	4770	628	8
+scikit-learn/scikit-learn	4542	636	7
+angular/angular.js	4524	1223	4
+CleverRaven/Cataclysm-DDA	4372	865	5
+symfony/symfony	4354	1188	4
+CartoDB/cartodb	4352	1026	4
+ember-cli/ember-cli	4299	877	5
+ceph/ceph	4263	978	4
+npm/npm	4252	1320	3
+sphinx-doc/testing2	4220	1416	3
+laravel/framework	4217	1138	4
+RIOT-OS/RIOT	4091	631	6
+gorhill/uBlock	4088	671	6
+rust-lang/rfcs	4051	384	11
+OpenRA/OpenRA	3993	691	6
+Microsoft/TypeScript	3963	974	4
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments4.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments4.out
new file mode 100644
index 0000000000..c4406b2309
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments4 --
+tphongio/elasticbox-plugin	1	3216
+TTMTT/iCL0udin	1	1844
+iiordanov/remote-desktop-clients	39	1473
+chrsmith/bwapi	134	1200
+codecov/ci-repo	1	771
+chrsmith/bwapi	145	528
+xbmc/xbmc	6227	515
+chrsmith/bwapi	322	480
+TrigonaMinima/TrigonaMinima.github.io	3	450
+chrsmith/bwapi	190	432
+Wouter1/EMU-driver	40	385
+chrsmith/reaver-wps	195	368
+mtambara/liferay-portal	22	367
+chrsmith/bwapi	104	352
+chrsmith/google-api-java-client	18	351
+Flyer53/jsPanel	23	338
+chrsmith/bwapi	93	336
+chrsmith/bwapi	113	336
+synergy/synergy	4349	322
+chrsmith/bwapi	142	320
+chrsmith/reaver-wps	16	316
+chrsmith/reaver-wps	158	316
+neovim/neovim	1820	316
+openmicroscopy/snoopys-sandbox	14	310
+owncloud/core	14472	295
+mtambara/liferay-portal	21	286
+chrsmith/reaver-wps	6	284
+mtambara/liferay-portal	25	282
+chrsmith/reaver-wps	129	280
+Tribler/tribler	1210	277
+OpenELEC/OpenELEC.tv	3726	275
+chrsmith/google-api-java-client	2	273
+chrsmith/reaver-wps	203	260
+letsgetrandy/DICSS	16	259
+neovim/neovim	2076	257
+chrsmith/bwapi	96	256
+chrsmith/bwapi	198	256
+doraTeX/TeX2img	14	255
+chrsmith/bwapi	19	255
+iojs/website	125	254
+tgstation/-tg-station	7420	254
+chrsmith/bwapi	232	252
+chrsmith/bwapi	281	247
+chrsmith/bwapi	120	240
+chrsmith/bwapi	169	240
+chrsmith/bwapi	373	240
+chrsmith/reaver-wps	90	232
+luc-github/Repetier-Firmware-0.92	10	227
+aosp-exchange-group/about	1	226
+chrsmith/bwapi	153	224
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments5.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments5.out
new file mode 100644
index 0000000000..9b00c81679
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments5.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments5 --
+iiordanov/remote-desktop-clients	39	1473
+chrsmith/bwapi	134	1200
+chrsmith/bwapi	145	528
+xbmc/xbmc	6227	515
+chrsmith/bwapi	322	480
+chrsmith/bwapi	190	432
+Wouter1/EMU-driver	40	385
+chrsmith/reaver-wps	195	368
+mtambara/liferay-portal	22	367
+chrsmith/bwapi	104	352
+chrsmith/google-api-java-client	18	351
+Flyer53/jsPanel	23	338
+chrsmith/bwapi	93	336
+chrsmith/bwapi	113	336
+synergy/synergy	4349	322
+chrsmith/bwapi	142	320
+chrsmith/reaver-wps	16	316
+chrsmith/reaver-wps	158	316
+neovim/neovim	1820	316
+openmicroscopy/snoopys-sandbox	14	310
+owncloud/core	14472	295
+mtambara/liferay-portal	21	286
+mtambara/liferay-portal	25	282
+chrsmith/reaver-wps	129	280
+Tribler/tribler	1210	277
+OpenELEC/OpenELEC.tv	3726	275
+chrsmith/reaver-wps	203	260
+letsgetrandy/DICSS	16	259
+neovim/neovim	2076	257
+chrsmith/bwapi	96	256
+chrsmith/bwapi	198	256
+chrsmith/bwapi	19	255
+doraTeX/TeX2img	14	255
+iojs/website	125	254
+tgstation/-tg-station	7420	254
+chrsmith/bwapi	232	252
+chrsmith/bwapi	281	247
+chrsmith/bwapi	120	240
+chrsmith/bwapi	169	240
+chrsmith/bwapi	373	240
+chrsmith/reaver-wps	90	232
+chrsmith/bwapi	153	224
+lhorie/mithril.js	413	223
+ValveSoftware/steam-for-linux	3671	222
+iojs/io.js	978	221
+xbmc/xbmc	5329	221
+chrsmith/google-api-java-client	361	216
+dotnet/roslyn	98	215
+chrsmith/bwapi	135	208
+limelight-stream/limelight-ios	20	207
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments6.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments6.out
new file mode 100644
index 0000000000..c354bb906d
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments6.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments6 --
+iiordanov/remote-desktop-clients	39	1473	1023
+xbmc/xbmc	6227	515	17
+Flyer53/jsPanel	23	338	5
+synergy/synergy	4349	322	108
+neovim/neovim	1820	316	21
+owncloud/core	14472	295	8
+OpenELEC/OpenELEC.tv	3726	275	18
+letsgetrandy/DICSS	16	259	138
+neovim/neovim	2076	257	30
+iojs/website	125	254	160
+tgstation/-tg-station	7420	254	18
+lhorie/mithril.js	413	223	30
+ValveSoftware/steam-for-linux	3671	222	119
+iojs/io.js	978	221	76
+xbmc/xbmc	5329	221	6
+dotnet/roslyn	98	215	99
+limelight-stream/limelight-ios	20	207	154
+6to5/6to5	596	204	51
+raspberrypi/firmware	377	193	5
+isaacs/github	18	183	179
+SiCKRAGETV/sickrage-issues	589	180	5
+SiCKRAGETV/sickrage-issues	1023	179	4
+MarlinFirmware/Marlin	1209	179	25
+owncloud/core	14151	173	8
+rust-lang/rfcs	803	170	37
+rackerlabs/repose	1149	170	4
+Shani-08/ShaniXBMCWork	74	167	15
+easydigitaldownloads/Easy-Digital-Downloads	2548	164	9
+JorgenPhi/php-snapchat	89	158	19
+wf9a5m75/phonegap-googlemaps-plugin	408	157	5
+wrye-bash/wrye-bash	187	155	6
+catalinii/minisatip	21	148	5
+whatwg/fetch	27	146	15
+docker/docker	4036	145	46
+angular/angular.dart	1650	144	6
+rust-lang/rfcs	560	142	28
+SynoCommunity/spksrc	1478	140	24
+angular/angular.dart	1647	140	6
+ajaxorg/cloud9	3200	140	41
+docker/docker	9882	139	26
+iojs/io.js	758	136	10
+joomla/joomla-cms	5140	135	12
+aerogear/aerogear-unifiedpush-server	502	134	6
+UV-CDAT/uvcdat	1113	134	5
+apache/spark	3916	134	8
+LaurentGomila/SFML	757	132	8
+xbmc/xbmc	5561	132	11
+trakt/script.trakt	190	130	28
+owncloud/core	11884	129	8
+owncloud/core	12801	129	12
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments7.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments7.out
new file mode 100644
index 0000000000..747ff0ff0f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments7.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments7 --
+miabot/galleries.csv	21872	1
+NREL/EnergyPlus	3874	14
+servo/servo	3649	14
+jirikuncar/invenio	3292	3
+rust-lang/rust	1513	34
+coala-analyzer/coala	1445	7
+NREL/OpenStudio	1327	11
+mono/MonoGame	1224	14
+Wikia/app	852	24
+Microsoft/TypeScript	760	23
+JuliaLang/julia	732	46
+netguru/people	732	28
+TrinityCore/TrinityCore	630	126
+NixOS/nixpkgs	524	78
+FreeBSDFoundation/freebsd	516	6
+magnumripper/JohnTheRipper	501	8
+netguru-training/foodempire	474	1
+jruby/jruby	429	18
+junmin-zhu/blink-crosswalk	411	3
+AnnaPonomareva/ybackend	381	3
+OsmSharp/OsmSharp	354	2
+kasper93/mpc-hc	336	5
+ChaiScript/ChaiScript	332	1
+odoo/odoo	329	59
+pocket-playlab/optimus-prime	328	2
+OpenSprites/OpenSprites	325	14
+laravel/framework	325	136
+akkadotnet/akka.net	305	6
+edx/edx-platform	304	40
+netguru/carrierwave-ios	303	7
+nick-levelup/home	294	4
+cbitstech/think_feel_do_engine	292	7
+online-labs/kernel-config	292	3
+rails/rails	292	104
+Warsow/qfusion	284	5
+kenji0919/pirodx_manager	283	2
+php/php-src	282	44
+gbitten/preempt_rt	278	1
+HaxeFoundation/haxe	255	19
+basho/riak_cs	255	6
+PrestaShop/PrestaShop	250	60
+hwoarangmy/OpenDungeons	249	5
+nl5887/github-webhook-test	240	2
+nl5887/linthub-demo	237	1
+L2J/L2J_Server	234	17
+netguru/devise-ios	231	7
+lmccallum/GeoCanViz	229	2
+mtk09422/chromiumos-third_party-coreboot	228	2
+cachethq/Cachet	222	9
+gorhill/uBlock	218	20
+
diff --git a/regression-test/data/variant_p2/sql/issuesWithTheMostComments8.out b/regression-test/data/variant_p2/sql/issuesWithTheMostComments8.out
new file mode 100644
index 0000000000..fb3a881a0c
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/issuesWithTheMostComments8.out
@@ -0,0 +1,3 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !issuesWithTheMostComments8 --
+
diff --git a/regression-test/data/variant_p2/sql/mostForkedRepositories.out b/regression-test/data/variant_p2/sql/mostForkedRepositories.out
new file mode 100644
index 0000000000..be96dadb40
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/mostForkedRepositories.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !mostForkedRepositories --
+jtleek/datasharing	25220
+rdpeng/ProgrammingAssignment2	14984
+octocat/Spoon-Knife	12375
+MyCoolTest/a-terrible-project	9266
+rdpeng/ExData_Plotting1	6362
+TridentSDK/Trident	5571
+rdpeng/RepData_PeerAssessment1	3557
+udacity/frontend-nanodegree-resume	3256
+twbs/bootstrap	3104
+barryclark/jekyll-now	2792
+angular/angular.js	2630
+LarryMad/recipes	2072
+HubPress/hubpress.io	1801
+rdpeng/courses	1723
+vhf/free-programming-books	1543
+jlord/patchwork	1467
+github/gitignore	1330
+mbostock/d3	1299
+bcaffo/courses	1252
+deadlyvipers/dojo_rules	1222
+torvalds/linux	1221
+Homebrew/homebrew	1207
+aporter/coursera-android	1089
+docker/docker	1064
+goagent/goagent	1032
+Trinea/android-open-project	1007
+rails/rails	960
+laravel/laravel	954
+facebook/react	949
+tastejs/todomvc	909
+nightscout/cgm-remote-monitor	907
+udacity/create-your-own-adventure	894
+apache/spark	889
+gabrielecirulli/2048	844
+yiisoft/yii2	838
+facebook/react-native	822
+Itseez/opencv	813
+prakhar1989/awesome-courses	813
+FortAwesome/Font-Awesome	774
+dotnet/coreclr	760
+ColonyTestOrganisation/repoName	753
+swirldev/swirl_courses	750
+DataScienceSpecialization/courses	746
+USArmyResearchLab/Dshell	736
+django/django	714
+h5bp/Front-end-Developer-Interview-Questions	714
+iluwatar/java-design-patterns	714
+jquery/jquery	712
+daneden/animate.css	707
+atom/atom	705
+
diff --git a/regression-test/data/variant_p2/sql/mostPopularCommentsOnGithub.out b/regression-test/data/variant_p2/sql/mostPopularCommentsOnGithub.out
new file mode 100644
index 0000000000..78eb92582c
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/mostPopularCommentsOnGithub.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !mostPopularCommentsOnGithub --
+:+1: 	38565
+
diff --git a/regression-test/data/variant_p2/sql/organizationsByTheNumberOfRepositories.out b/regression-test/data/variant_p2/sql/organizationsByTheNumberOfRepositories.out
new file mode 100644
index 0000000000..41e4d206ec
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/organizationsByTheNumberOfRepositories.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !organizationsByTheNumberOfRepositories --
+google	168
+apache	116
+facebook	100
+sindresorhus	94
+substack	89
+codrops	66
+twitter	59
+mozilla	58
+spring-projects	55
+stackforge	54
+netflix	50
+openstack	48
+tj	47
+yahoo	47
+square	46
+thoughtbot	44
+mapbox	43
+googlesamples	41
+angular	36
+github	36
+maxogden	35
+microsoft	34
+tpope	34
+googlecloudplatform	33
+mafintosh	33
+nicklockwood	33
+alibaba	31
+heroku	30
+aspnet	29
+adafruit	28
+automattic	28
+elasticsearch	28
+firebase	28
+thephpleague	28
+hadley	27
+spotify	27
+addyosmani	26
+atom	26
+driftyco	26
+mattn	26
+esri	25
+gruntjs	25
+iojs	25
+shopify	25
+filamentgroup	24
+golang	24
+rails	24
+yeoman	24
+angular-ui	23
+awslabs	23
+
diff --git a/regression-test/data/variant_p2/sql/organizationsByTheNumberOfStars.out b/regression-test/data/variant_p2/sql/organizationsByTheNumberOfStars.out
new file mode 100644
index 0000000000..cf8094bb77
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/organizationsByTheNumberOfStars.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !organizationsByTheNumberOfStars --
+facebook	46498
+google	33024
+angular	10705
+github	9153
+square	8896
+dotnet	8735
+thoughtbot	8290
+h5bp	8175
+yalantis	8129
+phanan	7996
+sindresorhus	7660
+alex	7615
+microsoft	7376
+mozilla	7136
+moklick	6935
+prakhar1989	6772
+apache	6762
+docker	6498
+yaronn	6467
+flipboard	6457
+twbs	6024
+iojs	5924
+yahoo	5793
+gorhill	5791
+twitter	5740
+vhf	5526
+arasatasaygin	5498
+substack	5464
+tiimgreen	5425
+airbnb	5182
+atom	5169
+mengto	5150
+sdelements	5096
+bendc	5082
+jakewharton	5020
+driftyco	5005
+wasabeef	4750
+0xax	4661
+getify	4554
+googlesamples	4504
+ianlunn	4348
+grpc	4339
+angular-ui	4188
+shadowsocks	4177
+daniel-lundin	4001
+leaverou	3999
+etsy	3968
+ecomfe	3911
+mango	3888
+mbostock	3839
+
diff --git a/regression-test/data/variant_p2/sql/organizationsByTheSizeOfCommunity.out b/regression-test/data/variant_p2/sql/organizationsByTheSizeOfCommunity.out
new file mode 100644
index 0000000000..667b28838b
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/organizationsByTheSizeOfCommunity.out
@@ -0,0 +1,8 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !organizationsByTheSizeOfCommunity --
+facebook	3225	797	1516	2522	195	172
+fortawesome	2994	42	624	2645	3	3
+angular	2831	463	1229	2262	109	44
+docker	2697	504	948	2419	210	34
+atom	2620	276	1368	2024	65	20
+
diff --git a/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks1.out b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks1.out
new file mode 100644
index 0000000000..026d4c8e79
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks1 --
+jtleek/datasharing	25220	555	0
+rdpeng/ProgrammingAssignment2	14984	91	0
+octocat/Spoon-Knife	12375	165	0
+MyCoolTest/a-terrible-project	9266	0	0
+rdpeng/ExData_Plotting1	6362	12	0
+TridentSDK/Trident	5571	19	0
+rdpeng/RepData_PeerAssessment1	3557	6	0
+udacity/frontend-nanodegree-resume	3256	49	0
+twbs/bootstrap	3104	4475	1
+barryclark/jekyll-now	2792	471	0
+angular/angular.js	2630	3942	1
+LarryMad/recipes	2072	13	0
+HubPress/hubpress.io	1801	1843	1
+rdpeng/courses	1723	281	0
+vhf/free-programming-books	1543	5437	4
+jlord/patchwork	1467	36	0
+github/gitignore	1330	2926	2
+mbostock/d3	1299	3422	3
+bcaffo/courses	1252	167	0
+deadlyvipers/dojo_rules	1222	14	0
+torvalds/linux	1221	2907	2
+Homebrew/homebrew	1207	1583	1
+aporter/coursera-android	1089	602	1
+docker/docker	1064	2655	2
+goagent/goagent	1032	1912	2
+Trinea/android-open-project	1007	1901	2
+rails/rails	960	1363	1
+laravel/laravel	954	2056	2
+facebook/react	949	6762	7
+tastejs/todomvc	909	1035	1
+nightscout/cgm-remote-monitor	907	25	0
+udacity/create-your-own-adventure	894	18	0
+apache/spark	889	1028	1
+gabrielecirulli/2048	844	485	1
+yiisoft/yii2	838	1034	1
+facebook/react-native	822	10021	12
+Itseez/opencv	813	847	1
+prakhar1989/awesome-courses	813	6110	8
+FortAwesome/Font-Awesome	774	2798	4
+dotnet/coreclr	760	4049	5
+ColonyTestOrganisation/repoName	753	0	0
+swirldev/swirl_courses	750	252	0
+DataScienceSpecialization/courses	746	296	0
+USArmyResearchLab/Dshell	736	3401	5
+django/django	714	1369	2
+h5bp/Front-end-Developer-Interview-Questions	714	5177	7
+iluwatar/java-design-patterns	714	2771	4
+jquery/jquery	712	1368	2
+daneden/animate.css	707	2687	4
+atom/atom	705	2745	4
+
diff --git a/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks2.out b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks2.out
new file mode 100644
index 0000000000..8997ec079f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks2 --
+motemen/gore	11	894	81
+nathanpeck/clui	10	669	66
+venantius/ultra	10	597	59
+IonicaBizau/git-stats	56	2896	51
+skywinder/github-changelog-generator	19	958	50
+FormidableLabs/radium	16	788	49
+amscanne/huptime	10	493	49
+anacrolix/torrent	16	782	48
+vektra/templar	14	661	47
+philipwalton/flexbugs	29	1331	45
+KeyboardFire/mkcast	70	3134	44
+labstack/echo	13	572	44
+mentum/lambdaws	22	953	43
+begriffs/postgrest	55	2312	42
+jaicab/localFont	13	557	42
+mikechau/react-primer-draft	71	3044	42
+seppo0010/rlite	16	676	42
+shipitjs/shipit	47	1976	42
+yaronn/GifW00t	13	557	42
+bevacqua/fuzzysearch	15	622	41
+jgrahamc/httpdiff	34	1399	41
+sindresorhus/chalk	16	666	41
+Yomguithereal/baobab	20	782	39
+pdcgomes/XCActionBar	25	965	38
+ko1/pretty_backtrace	14	519	37
+vim/vim	74	2746	37
+BurntSushi/xsv	10	367	36
+gizak/termui	74	2716	36
+nicklockwood/MustOverride	12	434	36
+ry/v8worker	15	551	36
+systemjs/systemjs	35	1265	36
+codesuki/react-d3-components	12	420	35
+fizx/parsley	20	717	35
+israelidanny/ie8linter	21	741	35
+YabataDesign/afterglow-theme	26	896	34
+google/yapf	22	751	34
+trello/victor	11	379	34
+ianks/octodown	15	506	33
+joewalnes/websocketd	79	2615	33
+maxogden/menubar	14	462	33
+paulirish/automated-chrome-profiling	11	367	33
+resume/resume.github.com	50	1698	33
+shellfire-dev/shellfire	28	935	33
+venmo/synx	11	372	33
+krockode/x_x	12	393	32
+pheuter/essential-react	41	1318	32
+centaurean/density	20	622	31
+kriskowal/gtor	22	697	31
+tdenniston/bish	37	1167	31
+yaronn/blessed-contrib	184	5880	31
+
diff --git a/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks3.out b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks3.out
new file mode 100644
index 0000000000..15f702a471
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks3 --
+zzzili/zzCommonProject	6	13	0
+zzzeek/sqlalchemy	27	94	0
+zzz40500/PhotoBrowser	5	8	0
+zzz40500/HeadsUp	25	61	0
+zzz40500/GsonFormat	7	17	0
+zzyss86/tuijscom	5	16	0
+zzyss86/LunarCalendar	7	23	0
+zzrough/gs-extensions-drop-down-terminal	5	9	0
+zzmp/juliusjs	20	126	0
+zzhouj/Android-DraggableGridViewPager	10	16	0
+zzet/ansible-rbenv-role	12	23	0
+zzdboy/GoCMS	11	16	0
+zzarcon/focusable	7	38	0
+zzarbi/synology	5	9	0
+zzap/Cikonss	10	21	0
+zytzagoo/smtp-validate-email	7	8	0
+zythum/youkuhtml5playerbookmark	9	36	0
+zythum/mama2	27	218	0
+zyro/hyde-x	13	26	0
+zynga/scroller	34	588	0
+zynga/jsbindings	6	9	0
+zym2014/MingQQ	128	315	0
+zxlie/WeixinApi	186	356	0
+zxlie/FeHelper	8	20	0
+zxing/zxing	546	939	0
+zxh0/jvm.go	98	1256	0
+zxdrive/imouto.host	45	112	0
+zx2c4/password-store	15	37	0
+zwz/plantuml-mode	5	6	0
+zwopple/PocketSocket	5	14	0
+zwaldowski/BlocksKit	47	301	0
+zwacky/angular-flippy	5	6	0
+zverok/clio	7	21	0
+zutrinken/attila	8	18	0
+zurb/twentytwenty	10	37	0
+zurb/responsive-tables	6	13	0
+zurb/pizza	6	14	0
+zurb/joyride	9	30	0
+zurb/ink	39	198	0
+zurb/foundation-rails	33	46	0
+zurb/foundation-libsass-template	10	11	0
+zurb/foundation-compass-template	14	17	0
+zurb/foundation-apps-template	8	16	0
+zurb/foundation-apps	61	249	0
+zurb/foundation-5-sublime-snippets	19	51	0
+zurb/foundation	328	977	0
+zurb/bower-foundation	31	37	0
+zupet/LuaTinker	5	8	0
+zuk/jquery.inview	10	13	0
+ztianjin/BigData	5	7	0
+
diff --git a/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks4.out b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks4.out
new file mode 100644
index 0000000000..78eef66a20
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks4.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks4 --
+1493710	3951085	2.65
+
diff --git a/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks5.out b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks5.out
new file mode 100644
index 0000000000..55770e0561
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/proportionsBetweenStarsAndForks5.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !proportionsBetweenStarsAndForks5 --
+788721	2938913	3.73
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments1.out b/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments1.out
new file mode 100644
index 0000000000..0102ad866f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithClickhouse_related_comments1 --
+apache/spark	9527
+apache/incubator-brooklyn	426
+apache/incubator-reef	355
+brianchandotcom/liferay-portal	347
+owncloud/core	294
+apache/activemq-6	236
+apache/flink	126
+shuyangzhou/liferay-portal	98
+apache/storm	92
+NFLabs/zeppelin	89
+chrsmith/google-api-java-client	85
+mtambara/liferay-portal	83
+sergiogonzalez/liferay-portal	81
+jirikuncar/invenio	76
+puppetlabs/puppetlabs-apache	72
+pentestgeek/phishing-frenzy	71
+puphpet/puphpet	68
+juliocamarero/liferay-portal	64
+phusion/passenger	61
+Homebrew/homebrew	52
+apache/tajo	48
+saltstack/salt	46
+rotty3000/liferay-portal	44
+apache/cloudstack	41
+crowell/modpagespeed	41
+letsencrypt/lets-encrypt-preview	40
+ealonso/liferay-portal	38
+elasticsearch/elasticsearch	37
+meteor/meteor	36
+ManageIQ/manageiq	35
+apache/cordova-lib	34
+spark-jobserver/spark-jobserver	34
+commons-rdf/commons-rdf	32
+docker-library/php	32
+fail2ban/fail2ban	32
+shawnmckinney/apache-fortress-demo	32
+matethurzo/liferay-portal	31
+spring-projects/spring-boot	31
+intel-hadoop/gearpump	30
+owncloud/client	30
+apache/couchdb-fauxton	29
+apache/incubator-parquet-mr	29
+snipe/snipe-it	29
+GoogleCloudPlatform/kubernetes	28
+ampache/ampache	28
+joomla/joomla-cms	28
+apache/camel	27
+IQSS/dataverse	26
+openmicroscopy/openmicroscopy	26
+Shopify/sarama	25
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments2.out b/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments2.out
new file mode 100644
index 0000000000..21d9cf83d4
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithClickhouse_related_comments2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithClickhouse_related_comments2 --
+facebook/react-native	10021	1
+phanan/htaccess	7964	9
+sdelements/lets-chat	5045	7
+twbs/bootstrap	4475	2
+twostairs/paperwork	3684	20
+libreboard/libreboard	3469	1
+Selz/plyr	3403	2
+wasabeef/awesome-android-ui	3225	1
+sophron/wifiphisher	3142	2
+jhauswald/sirius	3030	1
+github/gitignore	2926	1
+FortAwesome/Font-Awesome	2798	1
+driftyco/ionic	2783	6
+iluwatar/java-design-patterns	2771	2
+atom/atom	2745	3
+docker/docker	2655	17
+Semantic-Org/Semantic-UI	2488	2
+meteor/meteor	2486	36
+golang/go	2252	4
+robbyrussell/oh-my-zsh	2227	2
+google/gxui	2172	1
+shadowsocks/shadowsocks	2134	3
+facebook/stetho	2085	2
+gogits/gogs	1959	6
+joyent/node	1940	8
+reapp/reapp	1925	2
+hakimel/reveal.js	1900	1
+rust-lang/rust	1869	13
+tripit/slate	1868	1
+Automattic/socket.io	1840	2
+angular/material	1778	3
+h5bp/html5-boilerplate	1710	1
+babel/babel	1693	1
+android-cn/android-open-project-analysis	1676	1
+dotnet/roslyn	1626	19
+lodash/lodash	1585	1
+Homebrew/homebrew	1583	52
+AFNetworking/AFNetworking	1572	2
+jekyll/jekyll	1479	7
+adobe/brackets	1463	2
+ansible/ansible	1441	7
+Polymer/polymer	1384	1
+haifengl/smile	1371	1
+django/django	1369	1
+jquery/jquery	1368	6
+rails/rails	1363	8
+mitsuhiko/flask	1359	4
+balderdashy/sails	1343	4
+Unitech/PM2	1311	1
+GoogleCloudPlatform/kubernetes	1303	28
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments1.out b/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments1.out
new file mode 100644
index 0000000000..206617322f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithDoris_related_comments1 --
+apache/spark	15220
+amplab-extras/SparkR-pkg	289
+NFLabs/zeppelin	184
+datastax/spark-cassandra-connector	148
+spark-jobserver/spark-jobserver	146
+NREL/OpenStudio	88
+awslabs/emr-bootstrap-actions	52
+mesos/spark-ec2	50
+spring-projects/spring-xd	46
+spark/spark-cli	45
+mikesparks/OLB-Dev-Tracker	44
+perwendel/spark	44
+spark/firmware	43
+andypetrella/spark-notebook	41
+elasticsearch/elasticsearch-hadoop	41
+caskdata/cdap	40
+SparkDevNetwork/Rock	38
+vslavik/winsparkle	34
+cleanflight/cleanflight	33
+ibm-et/spark-kernel	33
+sparkle-project/Sparkle	33
+apache/mahout	30
+databricks/spark-avro	29
+ReactiveCocoa/ReactiveCocoa	28
+hbons/SparkleShare	28
+bigdatagenomics/adam	26
+libgit2/libgit2sharp	26
+Carthage/Carthage	23
+TauLabs/TauLabs	23
+databricks/spark-csv	23
+berkeley-dsc/dlab-finance	22
+sparklemotion/nokogiri	22
+yola/healthcheck	22
+sampsyo/beets	21
+ilayaperumalg/spring-xd	19
+scalanlp/breeze	19
+spark/spark-dev	19
+cluhring/the_pivot	18
+elastic/elasticsearch-hadoop	18
+mikedao/the_pivot	18
+OryxProject/oryx	17
+SparkartGroupInc/jungle-solidus	17
+tresata/spark-scalding	17
+ComputationalRadiationPhysics/picongpu	16
+KristaANelson/the_pivot	16
+atom/atom	16
+gorillalabs/sparkling	16
+robot-monkey/final-project	16
+ContinuumIO/into	14
+geotrellis/geotrellis	14
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments2.out b/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments2.out
new file mode 100644
index 0000000000..7e8ac449b6
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithDoris_related_comments2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithDoris_related_comments2 --
+facebook/react-native	10021	1
+alex/what-happens-when	7407	2
+prakhar1989/awesome-courses	6110	2
+yaronn/blessed-contrib	5880	2
+tiimgreen/github-cheat-sheet	5420	1
+gorhill/uBlock	5415	2
+iojs/io.js	4866	1
+dotnet/coreclr	4049	1
+angular/angular.js	3942	1
+muut/riotjs	3244	10
+github/gitignore	2926	4
+primer/primer	2816	1
+atom/atom	2745	16
+gizak/termui	2716	2
+docker/docker	2655	5
+lukasz-madon/awesome-remote-job	2579	1
+meteor/meteor	2486	1
+robbyrussell/oh-my-zsh	2227	1
+gogits/gogs	1959	2
+rust-lang/rust	1869	4
+prometheus/prometheus	1767	1
+dotnet/roslyn	1626	4
+neovim/neovim	1621	2
+lodash/lodash	1585	2
+Homebrew/homebrew	1583	13
+amjith/pgcli	1495	1
+jekyll/jekyll	1479	5
+ansible/ansible	1441	1
+dotnet/corefx	1389	1
+django/django	1369	1
+papers-we-love/papers-we-love	1366	1
+rails/rails	1363	4
+mrdoob/three.js	1351	1
+GoogleCloudPlatform/kubernetes	1303	6
+atom/atom-shell	1285	3
+google/guava	1274	1
+rg3/youtube-dl	1272	1
+scrapy/scrapy	1241	1
+kennethreitz/requests	1236	6
+mozilla/pdf.js	1234	1
+Microsoft/TypeScript	1217	3
+facebook/pop	1127	1
+BVLC/caffe	1102	1
+ReactiveCocoa/ReactiveCocoa	1098	28
+petkaantonov/bluebird	1095	1
+creationix/nvm	1081	1
+spoike/refluxjs	1073	1
+Carthage/Carthage	1043	23
+tastejs/todomvc	1035	1
+yiisoft/yii2	1034	2
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.out b/regression-test/data/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.out
new file mode 100644
index 0000000000..0ff4b6065b
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheHighestGrowthYoY --
+0--------------------------------------/Trivia-Crack-DNS	0	1	0
+0-1-0/lightblue-0.4	0	3	0
+0-14N/NDroid	0	2	0
+0-afflatus/grail_test	0	1	0
+0-duke/wdpassport-utils	0	1	0
+0-jake-0/jlab	0	1	0
+0/paper.js	0	1	0
+00-Evan/PD-classes	0	2	0
+00-Evan/shattered-pixel-dungeon	0	22	0
+00-Evan/shattered-pixel-dungeon-gdx	0	1	0
+00/wikihouse	0	1	0
+00/wikihouse-controls	0	2	0
+000fan000/d3-cloud	0	1	0
+00100100/ElohimSolver4	0	1	0
+001295039/SSBST	0	1	0
+002301/SequenceFrames	0	2	0
+00450681/AndroidANCSNotification	0	2	0
+007-surajit/Directory-List-PhoneGap-Plugin	0	1	0
+007/hashcash-js	0	1	0
+007bonds/SequoiaDB	0	1	0
+007lva/gulp-jade-sass-6to5	0	3	0
+007lva/mallampati-rest	0	1	0
+007rahulraman/flask_fb_app	0	1	0
+007shaoye/007	0	1	0
+0088FF/get.js	0	5	0
+0088FF/turkoz.me	0	5	0
+00Craft/GrandTheftCraft	0	1	0
+00Rez/c2	0	1	0
+00StevenG/NSDictionary-ImageMetadata	0	4	0
+00StevenG/NSString-Japanese	0	6	0
+00StevenG/UITextViewExtras	0	4	0
+00benallen/TrashSmash	0	1	0
+00buggy00/SwiftOpenGL	0	2	0
+00conan00/JLex	0	1	0
+00erik2/OperatingSystemsHomework	0	1	0
+00krishna/gdelt_download	0	1	0
+00nanhai/Lcc	0	1	0
+01000101/DataRaptor	0	1	0
+01000101/insteon-75790-recorder	0	1	0
+01000101/onedrive-linux-client	0	2	0
+0101/pipetools	0	2	0
+01010101/GML4U	0	1	0
+0105time/AlloyRenderingEngine	0	1	0
+0109yuma/camera-app-swift	0	1	0
+010blue/oldcms	0	2	0
+0110/WookieController	0	1	0
+0110/wifikeyboard	0	1	0
+01271/OpenEndgame	0	1	0
+013/Soundcloud-Downloader	0	12	0
+01AutoMonkey/open.gl-tutorials-to-pyglet	0	2	0
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.out
new file mode 100644
index 0000000000..90778d85dc
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues1 --
+No-CQRT/GooGuns	24737	1
+chrsmith/google-api-java-client	10568	1
+Khan/khan-i18n	8940	1
+chrsmith/bwapi	6258	1
+chrsmith/nishazi6	4877	1
+LeaVerou/awesomplete	4608	748
+chrsmith/html5rocks	4395	2
+huntermcmillian/huntermcmillian	3175	1
+chrsmith/open-ig	2516	1
+chrsmith/reaver-wps	2300	1
+djbouche/glowing-bear	2088	1
+andresriancho/w3af	1995	21
+sbezborotest/test	1989	5
+spyder-ide/spyder	1848	49
+BOINC/boinc	1754	6
+pedromorgan/flightgear-issues-test	1750	1
+Atlantiss/BugTracker	1665	501
+pychess/pychess	1658	4
+rust-lang/rust	1648	589
+sphinx-doc/testing2	1598	1
+chrsmith/hedgewars	1447	1
+wbish/IronPath	1309	1
+TWtablero/repoTest1	1306	5
+owncloud/core	1299	577
+kewinrausch/Test	1293	1
+pzia/vlm	1244	1
+LeaVerou/prefixfree	1226	106
+BOINC/boinc-ng	1223	1
+joyent/node	1186	289
+BALL-Project/ball	1162	4
+ConEmu/old-issues	1144	1
+chrsmith/blogger-ftp-migration-tracker	1133	1
+v-l-m/vlm	1088	5
+atom/atom	1074	779
+GoogleCloudPlatform/kubernetes	1048	197
+Virtual-TreeView/Virtual-TreeView	1037	10
+phalcon/cphalcon	1014	170
+fourq/hackball	1000	1
+chrsmith/dsdsdaadf	991	1
+chrsmith/jsjsj122	991	1
+dotnet/roslyn	962	209
+harishamdani/TestRepo	960	1
+saltstack/salt	958	448
+chrsmith/mo-1	948	1
+chrsmithdemos/google-api-java-client	923	1
+chrsmithdemos/open-ig	917	1
+chrsmithdemos/html5rocks	911	1
+chrsmith/scribefire-chrome	886	1
+CartoDB/cartodb	884	55
+docker/docker	873	524
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.out
new file mode 100644
index 0000000000..4f8281d36d
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues2 --
+No-CQRT/GooGuns	24737	1	0
+chrsmith/google-api-java-client	10568	1	0
+Khan/khan-i18n	8940	1	2
+chrsmith/bwapi	6258	1	0
+chrsmith/nishazi6	4877	1	0
+LeaVerou/awesomplete	4608	748	3390
+chrsmith/html5rocks	4395	2	0
+huntermcmillian/huntermcmillian	3175	1	1
+chrsmith/open-ig	2516	1	0
+chrsmith/reaver-wps	2300	1	0
+djbouche/glowing-bear	2088	1	0
+andresriancho/w3af	1995	21	68
+sbezborotest/test	1989	5	0
+spyder-ide/spyder	1848	49	175
+BOINC/boinc	1754	6	44
+pedromorgan/flightgear-issues-test	1750	1	0
+Atlantiss/BugTracker	1665	501	52
+pychess/pychess	1658	4	24
+rust-lang/rust	1648	589	1869
+sphinx-doc/testing2	1598	1	0
+chrsmith/hedgewars	1447	1	0
+wbish/IronPath	1309	1	0
+TWtablero/repoTest1	1306	5	0
+owncloud/core	1299	577	360
+kewinrausch/Test	1293	1	0
+pzia/vlm	1244	1	0
+LeaVerou/prefixfree	1226	106	144
+BOINC/boinc-ng	1223	1	0
+joyent/node	1186	289	1940
+BALL-Project/ball	1162	4	1
+ConEmu/old-issues	1144	1	0
+chrsmith/blogger-ftp-migration-tracker	1133	1	0
+v-l-m/vlm	1088	5	7
+atom/atom	1074	779	2745
+GoogleCloudPlatform/kubernetes	1048	197	1303
+Virtual-TreeView/Virtual-TreeView	1037	10	27
+phalcon/cphalcon	1014	170	592
+fourq/hackball	1000	1	0
+chrsmith/dsdsdaadf	991	1	0
+chrsmith/jsjsj122	991	1	0
+dotnet/roslyn	962	209	1626
+harishamdani/TestRepo	960	1	0
+saltstack/salt	958	448	469
+chrsmith/mo-1	948	1	0
+chrsmithdemos/google-api-java-client	923	1	0
+chrsmithdemos/open-ig	917	1	0
+chrsmithdemos/html5rocks	911	1	0
+chrsmith/scribefire-chrome	886	1	0
+CartoDB/cartodb	884	55	102
+docker/docker	873	524	2655
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.out
new file mode 100644
index 0000000000..8ee41ec721
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues3 --
+github/gitignore	0	0	2926
+torvalds/linux	0	0	2907
+thoughtbot/til	0	0	2769
+laravel/laravel	0	0	2056
+goagent/goagent	0	0	1912
+resume/resume.github.com	0	0	1698
+django/django	0	0	1369
+MaciejCzyzewski/retter	0	0	1245
+discourse/discourse	0	0	1172
+bltavares/Knoodou	0	0	1157
+blueimp/jQuery-File-Upload	0	0	1091
+hakimel/css	0	0	1073
+angrave/SystemProgramming	0	0	1028
+apache/spark	0	0	1028
+jez/vim-as-an-ide	0	0	987
+simple-android-framework-exchange/android_design_patterns_analysis	0	0	888
+git/git	0	0	878
+Itseez/opencv	0	0	847
+wsargent/docker-cheat-sheet	0	0	835
+lgvalle/Material-Animations	0	0	810
+cdarwin/go-koans	0	0	767
+fcambus/nginx-resources	0	0	719
+ruby/ruby	0	0	690
+nathanpeck/clui	0	0	669
+owainlewis/awesome-artificial-intelligence	0	0	662
+vektra/templar	0	0	661
+qrpike/Web-Font-Load	0	0	656
+spring-projects/spring-framework	0	0	650
+mongodb/mongo	0	0	632
+Naituw/WBWebViewConsole	0	0	612
+php/php-src	0	0	607
+anicollection/anicollection	0	0	605
+geekcompany/ResumeSample	0	0	573
+yaronn/GifW00t	0	0	557
+WordPress/WordPress	0	0	534
+chrisbanes/Android-PullToRefresh	0	0	534
+spasmilo/electrum	0	0	533
+clojure/clojurescript	0	0	520
+oli107/material-range-bar	0	0	456
+bup/bup	0	0	453
+LukeLin/data-structure-with-js	0	0	439
+sparanoid/chinese-copywriting-guidelines	0	0	439
+chriskempson/base16	0	0	432
+keefo/CATweaker	0	0	430
+vandadnp/swift-weekly	0	0	410
+mafintosh/airpaste	0	0	409
+johnno1962/Remote	0	0	403
+aosp-exchange-group/share	0	0	402
+nemoTyrant/manong	0	0	398
+apache/storm	0	0	396
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.out
new file mode 100644
index 0000000000..623c4971ec
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfIssues4 --
+github/gitignore	0	0	2926
+torvalds/linux	0	0	2907
+thoughtbot/til	0	0	2769
+laravel/laravel	0	0	2056
+goagent/goagent	0	0	1912
+resume/resume.github.com	0	0	1698
+django/django	0	0	1369
+MaciejCzyzewski/retter	0	0	1245
+discourse/discourse	0	0	1172
+bltavares/Knoodou	0	0	1157
+blueimp/jQuery-File-Upload	0	0	1091
+hakimel/css	0	0	1073
+angrave/SystemProgramming	0	0	1028
+apache/spark	0	0	1028
+jez/vim-as-an-ide	0	0	987
+simple-android-framework-exchange/android_design_patterns_analysis	0	0	888
+git/git	0	0	878
+Itseez/opencv	0	0	847
+wsargent/docker-cheat-sheet	0	0	835
+lgvalle/Material-Animations	0	0	810
+cdarwin/go-koans	0	0	767
+fcambus/nginx-resources	0	0	719
+ruby/ruby	0	0	690
+nathanpeck/clui	0	0	669
+owainlewis/awesome-artificial-intelligence	0	0	662
+vektra/templar	0	0	661
+qrpike/Web-Font-Load	0	0	656
+spring-projects/spring-framework	0	0	650
+mongodb/mongo	0	0	632
+Naituw/WBWebViewConsole	0	0	612
+php/php-src	0	0	607
+anicollection/anicollection	0	0	605
+geekcompany/ResumeSample	0	0	573
+yaronn/GifW00t	0	0	557
+WordPress/WordPress	0	0	534
+chrisbanes/Android-PullToRefresh	0	0	534
+spasmilo/electrum	0	0	533
+clojure/clojurescript	0	0	520
+oli107/material-range-bar	0	0	456
+bup/bup	0	0	453
+LukeLin/data-structure-with-js	0	0	439
+sparanoid/chinese-copywriting-guidelines	0	0	439
+chriskempson/base16	0	0	432
+keefo/CATweaker	0	0	430
+vandadnp/swift-weekly	0	0	410
+mafintosh/airpaste	0	0	409
+johnno1962/Remote	0	0	403
+aosp-exchange-group/share	0	0	402
+nemoTyrant/manong	0	0	398
+apache/storm	0	0	396
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.out
new file mode 100644
index 0000000000..b6838888c8
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfPullRequests1 --
+0----0/language-c	1	1
+0-1-0/lightblue-0.4	1	1
+0-Byte/hello-world	1	1
+0-F/chocolatey-package	1	1
+0-IceShard-0/Jeffery-the-space-whale	1	1
+0003088/libelektra	1	1
+000axa-MUSH/shish	1	1
+003moonj/hello-world	1	1
+00Joe/MessageSender	1	1
+00Zeb/SimpleChess	1	1
+00kenshin/hexo	1	1
+00lito/MyExcercises	1	1
+01org/Galileo-Runtime	1	1
+01org/KVMGT-kernel	1	1
+01org/cordova-google-play-games-services	1	1
+01org/dleyna-connector-dbus	1	1
+01org/dleyna-renderer	1	1
+01org/dleyna-server	1	1
+01org/jndn-utils	1	1
+01org/luv-yocto	1	1
+01org/mic	1	1
+01org/parameter-framework-plugins-alsa	1	1
+01org/parameter-framework-samples	1	1
+01org/thermal_daemon	1	1
+02501jm/hello-world	1	1
+02strich/django-auth-kerberos	1	1
+0520978/hello-world	1	1
+0532/shuikong	1	1
+0532/spring	1	1
+05BIT008/rails	1	1
+080419android/droidCal	1	1
+0933322888/Kv-007.ecomap-backend	1	1
+0933322888/hello-world	1	1
+096-NET-UA/android-1	1	1
+096acc/oneironauts	1	1
+09terp/inwit.io	1	1
+0ADMods/eyecandy	1	1
+0BS0L33T/hello-world	1	1
+0Matt/Hello-World	1	1
+0X1A/yabs	1	1
+0aps/CafeteriaApp	1	1
+0asa/awesome-python	1	1
+0atman/0atman.com	1	1
+0atman/web-style-guide	1	1
+0dataloss/pyrax	1	1
+0ddfell0w/ACM-NYU	1	1
+0dp/generator-wp-bones	1	1
+0install/0install	1	1
+0install/repo.roscidus.com	1	1
+0intro/plan9	1	1
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.out
new file mode 100644
index 0000000000..82e5a50926
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumAmountOfPullRequests2 --
+jlord/patchwork	1226	1064
+deadlyvipers/dojo_rules	1520	997
+octocat/Spoon-Knife	976	910
+Homebrew/homebrew	2194	691
+udacity/create-your-own-adventure	622	507
+caskroom/homebrew-cask	1440	442
+rails/rails	839	359
+baidu-ife/ife	381	347
+rust-lang/rust	1713	337
+apache/spark	1359	296
+laravel/framework	694	293
+docker/docker	1128	287
+LarryMad/recipes	293	268
+borisyankov/DefinitelyTyped	508	265
+saltstack/salt	1795	249
+NixOS/nixpkgs	1133	247
+JetBrains/swot	273	242
+wbond/package_control_channel	301	238
+rdpeng/ProgrammingAssignment2	243	224
+Azure/azure-content	784	217
+iloveponies/training-day	218	214
+cms-sw/cmssw	1485	213
+odoo/odoo	933	213
+django/django	578	196
+GoogleCloudPlatform/kubernetes	1793	194
+laravel/docs	282	191
+angular/angular.js	334	188
+mozilla-b2g/gaia	2113	182
+symfony/symfony	614	175
+yiisoft/yii2	427	174
+iloveponies/i-am-a-horse-in-the-land-of-booleans	171	171
+ansible/ansible	297	170
+facebook/react	377	164
+TheOdinProject/curriculum	530	161
+cdnjs/cdnjs	294	161
+milkypostman/melpa	262	161
+ansible/ansible-modules-core	281	160
+leereilly/swot	199	158
+ga-students/wdi-fundamentals-rps	154	147
+iojs/io.js	570	136
+rcos/rcos-projects	170	134
+jsdelivr/jsdelivr	1147	127
+robbyrussell/oh-my-zsh	170	124
+joomla/joomla-cms	587	119
+ceph/ceph	909	115
+JuliaLang/METADATA.jl	422	115
+cocos2d/cocos2d-x	972	114
+michaelliao/learngit	123	114
+cakephp/docs	348	112
+ember-cli/ember-cli	376	111
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
new file mode 100644
index 0000000000..37e8e052de
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMaximumNumberOfAcceptedInvitations --
+cs428TAs/cs428	76	5
+5harad/crowds	69	8
+chrisvfritz/tc359_cheatsheets	56	2
+madmilla/THO78-Roborescue	47	2
+egingric/2015-Racing-Game	45	2
+anrom7/NLP_with_Python	38	2
+rsanchez-wsu/sp15-ceg3120	29	9
+projbdic32/bdi-c32	24	9
+nadiagarcia/EDA-ITESO-2015	24	5
+csteacherd22/preAPCS-4th-1415	23	7
+profwpollock/COP-2805-2015	23	4
+limingth/meteor-lean-startup-camp	22	18
+raquel-oliveira/historinha	22	2
+chusiang/irc_log	21	4
+rodrigogrow/GameHistoryTimeline	20	12
+JohnJvanLoon/AVRTCPIP	20	9
+amchristi/cs362s15	20	4
+gamondue/GOR5F	20	2
+wgdomenzain/UAG.IDS.8010.2015.1	20	2
+cretchas/projeto_es_2015_1	19	3
+hoenirvili/EDeC	19	3
+snags88/euler-club	19	3
+mskubenich/swan_rc3	18	8
+bennieandthejets/SoftwareEngineering	18	6
+highya/ztb-leetcode	18	5
+EScommander/Norco-GAM-79-Spr2015-CartGame	18	4
+asbezrukov/tvp-lab8	17	6
+RShankar/Senior-Seminar-on-Social-Web	17	5
+wgdomenzain/UAG.IDS.5010.2015.1	17	5
+JJjie/HIT-CSDN-WEB	17	3
+brainix/basilisk	16	5
+FcoMondro/ProgramacionWeb6D	16	2
+annamel/acroparallels2015	16	2
+Kentverger/wrk	15	16
+zachmay/inventory616	15	4
+JamesMuir/Creme_eggs	15	3
+MahikanthNag/JAVAians	15	3
+hieuletrung/iot-alljoyn	15	3
+rellermeyer/course_os	15	3
+ghaida/gdisjc-website	15	2
+polynquintela/CMSC128Project7L	15	2
+FreeCodeCamp/freecodecamp	14	123
+iojs/iojs-es	14	43
+rubis-lab/Vehicle-Dynamics-Simulator	14	10
+jedepaepe/PeoplePicker	14	7
+mohammadKarimi/Bellatrix.OneSpace	14	4
+NielsRavn/AcmeInc	14	3
+gokcer/atilim-comodo-java-egitim	14	2
+jafuentest/totem	14	2
+joemahmah/2022-frc-2015	14	2
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
new file mode 100644
index 0000000000..aebd7fe84f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostPeopleWhoHavePushAccess1 --
+zzzsochi/trans	0	1
+zzzombat/lucid-python-swftools	0	1
+zzzili/json2object	0	1
+zzzeek/sqlalchemy_akiban	0	1
+zzzeek/ibm-db-sa	0	1
+zzz654321/plyr	0	1
+zzz6519003/igame	0	1
+zzz40500/wanikani-for-android	0	1
+zzz40500/textdrawable	0	1
+zzz40500/soundrecorder	0	1
+zzz40500/progressbar	0	1
+zzz40500/pinned-section-listview	0	1
+zzz40500/inboxlayout	0	1
+zzyss86/zepto-learn	0	1
+zzyss86/smarthosts	0	1
+zzyss86/less-css3	0	1
+zzxuanran/web-appplication-architecture	0	1
+zzx2856/eno	0	1
+zzuminy/sky	0	1
+zzuli4519/materialdesignlibrary	0	1
+zzuli4519/ldrawer	0	1
+zzuli4519/dragtoplayout	0	1
+zzuhan/jquery-zclip	0	1
+zztalker/flskzakupki.gov.ru	0	1
+zzsme/thinksns_v2.8	0	1
+zzqxztc/the-one-pitt	0	1
+zzqxztc/socialnetwork-one-	0	1
+zzqiltw/trip-to-ios	0	1
+zzpoik/themelessfortypecho	0	1
+zzongaly/fasttap	0	1
+zzolo/plex_additions	0	1
+zzo/testablejs	0	1
+zznate/usergrid-rest-apigee-sample	0	1
+zzmp/redditext	0	1
+zzmp/freaq	0	1
+zzmom/android-babydays	0	1
+zzmfish/tvbrowser	0	1
+zzmfish/miboxlauncher	0	1
+zzm317/multicraft-1	0	1
+zzm317/capture-the-flag	0	1
+zzlui/zzlbox	0	1
+zzltjnh/kwpopoverviewdemo	0	1
+zzltjnh/jigsaw	0	1
+zzl5221281994/freenos	0	1
+zzl0/dparkintro	0	1
+zzkt/remembrance-agent	0	1
+zzkt/osc	0	1
+zzjhons/zravianx	0	1
+zzjhons/izariam	0	1
+zzjhons/civclicker	0	1
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.out
new file mode 100644
index 0000000000..55b1335c1e
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostPeopleWhoHavePushAccess2 --
+zzzzzzzzzzzzzzzzzzzzzzzzzzz/project	0	0
+zzzzsong/testup	0	2
+zzzzrrr/porc	0	2
+zzzzBov/oAuthTwitterWrapper	0	0
+zzzzBov/npm-expansions	0	0
+zzzsochi/trans	0	1
+zzzsochi/ssh-authorizer	0	2
+zzzombat/lucid-python-swftools	0	1
+zzzmanzzz/examples	0	0
+zzzili/zzCommonProject	0	13
+zzzili/Json2Object	0	1
+zzzeek/sqlalchemy_akiban	0	1
+zzzeek/ibm-db-sa	0	1
+zzzeek/PyMySQL	0	0
+zzzTNTzzz/SingleCurrencyStorage	0	0
+zzz654321/plyr	0	1
+zzz6519003/socket	0	0
+zzz6519003/iGame	0	1
+zzz6519003/Yidian	0	0
+zzz6519003/Kailin-new-year	0	0
+zzz40500/pinned-section-listview	0	1
+zzz40500/WaniKani-for-Android	0	1
+zzz40500/TextDrawable	0	1
+zzz40500/SoundRecorder	0	1
+zzz40500/ProgressBar	0	1
+zzz40500/InboxLayout	0	1
+zzyss86/zepto-learn	0	1
+zzyss86/tuijs-blog	0	2
+zzyss86/Smarthosts	0	1
+zzyss86/LunarCalendar	0	23
+zzyss86/LESS-CSS3	0	1
+zzyjan/MercuryProject1	0	0
+zzyfisherman/moose	0	0
+zzy852/xunai.io	0	0
+zzxuanran/Web-Appplication-Architecture	0	1
+zzxjoanw/jquery-ui	0	0
+zzxi/c	0	0
+zzx2856/eno	0	1
+zzwqq/06	0	0
+zzw3239/fuck-2014-flirt-2015	0	0
+zzuwzj/QRCodeDemo	0	0
+zzuutt/thelia	0	0
+zzuutt/Paypal	0	0
+zzuutt/Atos	0	0
+zzuminy/sky	0	1
+zzuli4519/MaterialDesignLibrary	0	1
+zzuli4519/LDrawer	0	1
+zzuli4519/DragTopLayout	0	1
+zzuhan/jquery-zclip	0	1
+zzttyy413841467/homework2	0	0
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.out
new file mode 100644
index 0000000000..9dd30f4455
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostPeopleWhoHavePushAccess3 --
+edx/edx-platform	62	205
+NixOS/nixpkgs	53	133
+aosp-exchange-group/fuck-2014-flirt-2015	45	158
+GoogleCloudPlatform/kubernetes	37	1303
+dotnet/roslyn	36	1626
+guardian/frontend	36	176
+mongodb/mongo	35	632
+JuliaLang/julia	32	517
+dotnet/corefx	30	1389
+neo4j/neo4j	29	227
+xbmc/xbmc	28	283
+elasticsearch/elasticsearch	27	899
+odoo/odoo	26	662
+facebook/rocksdb	25	354
+puppetlabs/puppet	25	282
+elastic/elasticsearch	24	369
+rails/rails	24	1363
+dotnet/coreclr	23	4049
+mono/mono	22	374
+angular/angular	21	1636
+google/trace-viewer	21	171
+JetBrains/kotlin	20	320
+aosp-exchange-group/share	20	402
+ceph/ceph	20	161
+rapid7/metasploit-framework	20	450
+telerik/kendo-ui-core	20	210
+docker/docker	19	2655
+reddit/reddit	19	608
+thoughtbot/guides	19	515
+CartoDB/cartodb	18	102
+mono/monodevelop	18	103
+owncloud/core	18	360
+chef/chef	17	182
+Microsoft/TypeScript	16	1217
+django/django	16	1369
+thoughtbot/hound	16	148
+thoughtbot/til	16	2769
+Azure/azure-content	15	112
+facebook/react	15	6762
+grpc/grpc	15	2313
+h2oai/h2o	15	199
+adobe/brackets	14	1463
+cockroachdb/cockroach	13	679
+emberjs/ember.js	13	1132
+jenkinsci/jenkins	13	396
+dolphin-emu/dolphin	12	344
+ember-cli/ember-cli	12	470
+openframeworks/openFrameworks	12	211
+openvswitch/ovs	12	128
+raspberrypi/documentation	12	113
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.out
new file mode 100644
index 0000000000..ca26ff418a
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostStarsOverOneDay1 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.out
new file mode 100644
index 0000000000..a4be8b85f1
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostStarsOverOneDay2 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.out
new file mode 100644
index 0000000000..c97893738c
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostStarsOverOneDay3 --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.out b/regression-test/data/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.out
new file mode 100644
index 0000000000..c5f81b28c0
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheMostSteadyGrowthOverTime --
+0--------------------------------------/Trivia-Crack-DNS	1	1	1
+0-1-0/lightblue-0.4	3	3	1
+0-14N/NDroid	2	2	1
+0-afflatus/grail_test	1	1	1
+0-duke/wdpassport-utils	1	1	1
+0-jake-0/jlab	1	1	1
+0/paper.js	1	1	1
+00-Evan/PD-classes	2	2	1
+00-Evan/shattered-pixel-dungeon	22	22	1
+00-Evan/shattered-pixel-dungeon-gdx	1	1	1
+00/wikihouse	1	1	1
+00/wikihouse-controls	2	2	1
+000fan000/d3-cloud	1	1	1
+00100100/ElohimSolver4	1	1	1
+001295039/SSBST	1	1	1
+002301/SequenceFrames	2	2	1
+00450681/AndroidANCSNotification	2	2	1
+007-surajit/Directory-List-PhoneGap-Plugin	1	1	1
+007/hashcash-js	1	1	1
+007bonds/SequoiaDB	1	1	1
+007lva/gulp-jade-sass-6to5	3	3	1
+007lva/mallampati-rest	1	1	1
+007rahulraman/flask_fb_app	1	1	1
+007shaoye/007	1	1	1
+0088FF/get.js	5	5	1
+0088FF/turkoz.me	5	5	1
+00Craft/GrandTheftCraft	1	1	1
+00Rez/c2	1	1	1
+00StevenG/NSDictionary-ImageMetadata	4	4	1
+00StevenG/NSString-Japanese	6	6	1
+00StevenG/UITextViewExtras	4	4	1
+00benallen/TrashSmash	1	1	1
+00buggy00/SwiftOpenGL	2	2	1
+00conan00/JLex	1	1	1
+00erik2/OperatingSystemsHomework	1	1	1
+00krishna/gdelt_download	1	1	1
+00nanhai/Lcc	1	1	1
+01000101/DataRaptor	1	1	1
+01000101/insteon-75790-recorder	1	1	1
+01000101/onedrive-linux-client	2	2	1
+0101/pipetools	2	2	1
+01010101/GML4U	1	1	1
+0105time/AlloyRenderingEngine	1	1	1
+0109yuma/camera-app-swift	1	1	1
+010blue/oldcms	2	2	1
+0110/WookieController	1	1	1
+0110/wifikeyboard	1	1	1
+01271/OpenEndgame	1	1	1
+013/Soundcloud-Downloader	12	12	1
+01AutoMonkey/open.gl-tutorials-to-pyglet	2	2	1
+
diff --git a/regression-test/data/variant_p2/sql/repositoriesWithTheWorstStagnation_order.out b/regression-test/data/variant_p2/sql/repositoriesWithTheWorstStagnation_order.out
new file mode 100644
index 0000000000..9dce31a0ab
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoriesWithTheWorstStagnation_order.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoriesWithTheWorstStagnation_order --
+0-1-0/lightblue-0.4	0	3	0
+0-14N/NDroid	0	2	0
+00-Evan/PD-classes	0	2	0
+00-Evan/shattered-pixel-dungeon	0	22	0
+00/wikihouse-controls	0	2	0
+002301/SequenceFrames	0	2	0
+00450681/AndroidANCSNotification	0	2	0
+007lva/gulp-jade-sass-6to5	0	3	0
+0088FF/get.js	0	5	0
+0088FF/turkoz.me	0	5	0
+00StevenG/NSDictionary-ImageMetadata	0	4	0
+00StevenG/NSString-Japanese	0	6	0
+00StevenG/UITextViewExtras	0	4	0
+00buggy00/SwiftOpenGL	0	2	0
+01000101/onedrive-linux-client	0	2	0
+0101/pipetools	0	2	0
+010blue/oldcms	0	2	0
+013/Soundcloud-Downloader	0	12	0
+01AutoMonkey/open.gl-tutorials-to-pyglet	0	2	0
+01org/DualScreen.Net	0	2	0
+01org/KVMGT-kernel	0	7	0
+01org/KVMGT-qemu	0	3	0
+01org/KVMGT-seabios	0	2	0
+01org/XenGT-Preview-kernel	0	9	0
+01org/XenGT-Preview-qemu	0	4	0
+01org/XenGT-Preview-xen	0	4	0
+01org/appframework	0	99	0
+01org/clloader	0	2	0
+01org/cordova-google-play-games-services	0	2	0
+01org/dleyna-control	0	3	0
+01org/dleyna-core	0	2	0
+01org/dleyna-server	0	2	0
+01org/dpdk-ovs	0	21	0
+01org/fiovisualizer	0	4	0
+01org/hpc-speedometer	0	3	0
+01org/idlf	0	2	0
+01org/ioprof	0	8	0
+01org/jWebAudio	0	6	0
+01org/liblwm2m	0	3	0
+01org/libxcam	0	5	0
+01org/libyami	0	5	0
+01org/luv-yocto	0	2	0
+01org/mic	0	2	0
+01org/msr-tools	0	2	0
+01org/numatop	0	3	0
+01org/obs-service-git-buildpackage	0	2	0
+01org/ozone-wayland	0	11	0
+01org/parameter-framework	0	2	0
+01org/parameter-framework-plugins-alsa	0	2	0
+01org/parameter-framework-plugins-filesystem	0	2	0
+
diff --git a/regression-test/data/variant_p2/sql/repositoryAffinityList2.out b/regression-test/data/variant_p2/sql/repositoryAffinityList2.out
new file mode 100644
index 0000000000..8087663833
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/repositoryAffinityList2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !repositoryAffinityList2 --
+0xPIT/encoder	10	100.4
+0xmalloc/c-log	10	100.4
+0xsauby/yasuo	10	100.4
+1000Memories/TMQuiltView	10	100.4
+1001Pharmacies/dictionary	10	100.4
+10gen-labs/edda	10	100.4
+18F/hub	10	100.4
+1c7/Youtube-Auto-Subtitle-Download	10	100.4
+200Creative/spree_bootstrap_frontend	10	100.4
+201-created/ember-cli-headroom	10	100.4
+222464/AILib	10	100.4
+360works/fmangular	10	100.4
+3logic/apollo-cassandra	10	100.4
+3rdpartyeve/phealng	10	100.4
+4k3R/material-color-picker	10	100.4
+5-say/laravel-4.1-quick-start-cn	10	100.4
+504ensicsLabs/DAMM	10	100.4
+5HT/n2o.hs	10	100.4
+626Pilot/RaspberryPi-NeoPixel-WS2812	10	100.4
+6pac/SlickGrid	10	100.4
+6to5/6to5.github.io	10	100.4
+AArnott/PCLCrypto	10	100.4
+ADmad/cakephp-jwt-auth	10	100.4
+AF83/fnf-detect	10	100.4
+ARM-software/arm-trusted-firmware	10	100.4
+ARMmbed/yotta	10	100.4
+AWCN/AndroidDevWeekly	10	100.4
+ActiveState/appdirs	10	100.4
+AdamBien/afterburner.fx	10	100.4
+AdamBrodzinski/meteor-mobile-boilerplate	10	100.4
+Aegisub/Aegisub	10	100.4
+AlanChatham/UnoJoy	10	100.4
+AlbertGrobas/PolygonImageView	10	100.4
+AlexanderGrom/Qevix	10	100.4
+Alkalinee/Hurricane	10	100.4
+AlloyTeam/AlloyStick	10	100.4
+AltBeacon/spec	10	100.4
+AltspaceVR/MacMoveToRift	10	100.4
+AlxMedia/anew	10	100.4
+AminRahimi/angular-bootstrap-persian-datepicker	10	100.4
+AmpersandJS/ampersandjs.com	10	100.4
+Anahkiasen/polyglot	10	100.4
+AndreasBriese/ipLocator	10	100.4
+AndrewDryga/vagrant-box-osx-mavericks	10	100.4
+AndrewSchenk/App-Scanner	10	100.4
+Anizoptera/AzaThread	10	100.4
+Anomen/vagrant-selenium	10	100.4
+Anonyfox/meteor-scrape	10	100.4
+AnthonyDiGirolamo/todotxt-machine	10	100.4
+Antrikshy/Quibbler	10	100.4
+
diff --git a/regression-test/data/variant_p2/sql/sql01.out b/regression-test/data/variant_p2/sql/sql01.out
new file mode 100644
index 0000000000..af0b2b2edd
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql01.out
@@ -0,0 +1,3 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql01 --
+
diff --git a/regression-test/data/variant_p2/sql/sql02.out b/regression-test/data/variant_p2/sql/sql02.out
new file mode 100644
index 0000000000..8cbf5e8227
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql02.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql02 --
+21881363
+
diff --git a/regression-test/data/variant_p2/sql/sql03.out b/regression-test/data/variant_p2/sql/sql03.out
new file mode 100644
index 0000000000..d033b82757
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql03.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql03 --
+21881363
+
diff --git a/regression-test/data/variant_p2/sql/sql04.out b/regression-test/data/variant_p2/sql/sql04.out
new file mode 100644
index 0000000000..7af02ebd4f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql04.out
@@ -0,0 +1,13 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql04 --
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3264","body":"Porting over https://github.com/rubyspec/rubyspec/issues/286 so we can keep track of it here:\\r\\n\\r\\n@jc00ke Can you, if you can still edit the original issue, copy-paste the Markdown into this issue (and remove this note)? I can't edit the issue so I can't copy over the tasks sadly.","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3264/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3264/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3264/comments","title":"Need Ruby 2.2 specs","updated_at":"2015-01-01T13:42:58Z","html_url":"https://github.com/rubinius/rubinius/issues/3264","created_at":"2015-01-01T13:42:58Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/YorickPeterse/starred{/owner}{/repo}","url":"https://api.github.com/users/YorickPeterse","repos_url":"https://api.github.com/users/YorickPeterse/repos","events_url":"https://api.github.com/users/YorickPeterse/events{/privacy}","login":"YorickPeterse","avatar_url":"https://avatars.githubusercontent.com/u/86065?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/YorickPeterse","received_events_url":"https://api.github.com/users/YorickPeterse/received_events","followers_url":"https://api.github.com/users/YorickPeterse/followers","following_url":"https://api.github.com/users/YorickPeterse/following{/other_user}","gists_url":"https://api.github.com/users/YorickPeterse/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/YorickPeterse/subscriptions","organizations_url":"https://api.github.com/users/YorickPeterse/orgs","id":86065},"id":53219928,"number":3264,"comments":0}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3255","body":"\\r\\n/home/jzakiya/.rvm/log/1419522856_rbx-2.4.1/rake.log\\r\\nhttps://gist.github.com/jzakiya/bca4c6fd7e79992d7032","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3255/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3255/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3255/comments","title":"rbx 2.4.1 upgrade errors","updated_at":"2015-01-01T13:48:53Z","html_url":"https://github.com/rubinius/rubinius/issues/3255","created_at":"2014-12-25T18:42:17Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/jzakiya/starred{/owner}{/repo}","url":"https://api.github.com/users/jzakiya","repos_url":"https://api.github.com/users/jzakiya/repos","events_url":"https://api.github.com/users/jzakiya/events{/privacy}","login":"jzakiya","avatar_url":"https://avatars.githubusercontent.com/u/69856?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jzakiya","received_events_url":"https://api.github.com/users/jzakiya/received_events","followers_url":"https://api.github.com/users/jzakiya/followers","following_url":"https://api.github.com/users/jzakiya/following{/other_user}","gists_url":"https://api.github.com/users/jzakiya/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jzakiya/subscriptions","organizations_url":"https://api.github.com/users/jzakiya/orgs","id":69856},"id":52869897,"number":3255,"comments":2}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3251","body":"For more details, please see the failed jobs of this [build](https://travis-ci.org/altkatz/jieba_rb/builds/44839361), It's an extension for a C++ library, works well on MRI (both on Linux and Mac OS X(10.10.1)) , and also works on Rubinius (tested 2.2.10-2.4.0 on my Mac OS X), but got the above coredump on Linux.","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3251/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3251/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3251/comments","title":"\\"Invalid handle usage detected!\\" and core dumped on Linux, but not on Mac OS X.","updated_at":"2015-01-01T13:52:46Z","html_url":"https://github.com/rubinius/rubinius/issues/3251","created_at":"2014-12-23T01:41:28Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/altkatz/starred{/owner}{/repo}","url":"https://api.github.com/users/altkatz","repos_url":"https://api.github.com/users/altkatz/repos","events_url":"https://api.github.com/users/altkatz/events{/privacy}","login":"altkatz","avatar_url":"https://avatars.githubusercontent.com/u/4903871?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/altkatz","received_events_url":"https://api.github.com/users/altkatz/received_events","followers_url":"https://api.github.com/users/altkatz/followers","following_url":"https://api.github.com/users/altkatz/following{/other_user}","gists_url":"https://api.github.com/users/altkatz/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/altkatz/subscriptions","organizations_url":"https://api.github.com/users/altkatz/orgs","id":4903871},"id":52706891,"number":3251,"comments":1}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3236","body":"`String#ascii_only?` has a cache, but I/O calls that modify the string do not invalidate this cache. Here is the simplest test case:\\r\\n\\r\\n```\\r\\na, b = IO.pipe\\r\\na.binmode\\r\\nb.binmode\\r\\nb.write(\\"\\\\xE2\\\\x9C\\\\x93\\")\\r\\nb.close\\r\\n\\r\\nbuf = \\"\\".force_encoding(\\"binary\\")\\r\\np buf.ascii_only?  # should be true\\r\\na.read(1, buf)\\r\\np buf.ascii_only?  # should be false\\r\\n```\\r\\n\\r\\nRubinius 2.2.10 returns true, true. MRI returns true, false.\\r\\n\\r\\nUnfortunately I have not been able to get Rubinius 2.4.1 working, so I couldn't test on that version.\\r\\n\\r\\nThis seemingly simple bug can cause all sorts of encoding problems, for example https://github.com/phusion/passenger/issues/1169. In https://github.com/phusion/passenger/issues/1169#issuecomment-66618120, I described how a change in Passenger accidentally triggered the bug.","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3236/events","labels":[{"url":"https://api.github.com/repos/rubinius/rubinius/labels/encoding","name":"encoding","color":"02d7e1"},{"url":"https://api.github.com/repos/rubinius/rubinius/labels/performance","name":"performance","color":"ff0099"}],"labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3236/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3236/comments","title":"I/O calls do not invalidate `String#ascii_only?` cache","updated_at":"2015-01-01T13:55:20Z","html_url":"https://github.com/rubinius/rubinius/issues/3236","created_at":"2014-12-11T13:28:20Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/FooBarWidget/starred{/owner}{/repo}","url":"https://api.github.com/users/FooBarWidget","repos_url":"https://api.github.com/users/FooBarWidget/repos","events_url":"https://api.github.com/users/FooBarWidget/events{/privacy}","login":"FooBarWidget","avatar_url":"https://avatars.githubusercontent.com/u/819?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/FooBarWidget","received_events_url":"https://api.github.com/users/FooBarWidget/received_events","followers_url":"https://api.github.com/users/FooBarWidget/followers","following_url":"https://api.github.com/users/FooBarWidget/following{/other_user}","gists_url":"https://api.github.com/users/FooBarWidget/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/FooBarWidget/subscriptions","organizations_url":"https://api.github.com/users/FooBarWidget/orgs","id":819},"id":51686342,"number":3236,"comments":5}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3225","body":"Can't install rbx neither via rvm nor from sources. I tried to install such rbx versions as 2.2.7, 2.2.9 and 2.2.10 and every time got the same error:\\r\\n\\r\\n```\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx ./extconf.rbc\\r\\n\\r\\n---------------------------------------------\\r\\nCRASH: A fatal error has occurred.\\r\\n\\r\\nBacktrace:\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx[0x828d072]\\r\\n[0xb77a3400]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(ffi_closure_alloc+0xe4a)[0x83d3daa]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius7FFIData6createEPNS_5StateEPNS_14NativeFunctionEiPNS_10FFIArgInfoES6_+0x5f)[0x82f211f]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius14NativeFunction4prepEPNS_5StateEiPNS_10FFIArgInfoES4_+0xbb)[0x82f264b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius14NativeFunction8generateEPNS_5StateEPNS_7PointerEPNS_6SymbolEPNS_5ArrayEPNS_6ObjectE+0x11d)[0x82f27ed]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius10Primitives23nativefunction_generateEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xd7)[0x8257ba7]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius12CompiledCode16default_executorEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xb8)[0x82c5f08]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius8CallSite11empty_cacheEPNS_5StateEPS0_PNS_9CallFrameERNS_9ArgumentsE+0x14b)[0x82c0c2b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode11interpreterEPNS_5StateEPS0_PNS_20InterpreterCallFrameE+0x18c4)[0x81e5354]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode19execute_specializedINS_14FixedArgumentsEEEPNS_6ObjectEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0x357)[0x822ac87]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius12CompiledCode16default_executorEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xb8)[0x82c5f08]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius8CallSite19empty_cache_privateEPNS_5StateEPS0_PNS_9CallFrameERNS_9ArgumentsE+0x14b)[0x82c0a3b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode11interpreterEPNS_5StateEPS0_PNS_20InterpreterCallFrameE+0x18c4)[0x81e5354]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment19execute_interpreterEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x20a)[0x82bcb7a]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment6invokeEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x81)[0x82bd361]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment10call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xd4)[0x82bd824]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius10Primitives16block_call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0x92)[0x826ead2]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius8CallSite11empty_cacheEPNS_5StateEPS0_PNS_9CallFrameERNS_9ArgumentsE+0x14b)[0x82c0c2b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode11interpreterEPNS_5StateEPS0_PNS_20InterpreterCallFrameE+0x18c4)[0x81e5354]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment19execute_interpreterEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x20a)[0x82bcb7a]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment6invokeEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x81)[0x82bd361]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment10call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xd4)[0x82bd824]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius10Primitives16block_call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0x92)[0x826ead2]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius8CallSite11empty_cacheEPNS_5StateEPS0_PNS_9CallFrameERNS_9ArgumentsE+0x14b)[0x82c0c2b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode11interpreterEPNS_5StateEPS0_PNS_20InterpreterCallFrameE+0x18c4)[0x81e5354]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment19execute_interpreterEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x20a)[0x82bcb7a]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment6invokeEPNS_5StateEPNS_9CallFrameEPS0_RNS_9ArgumentsERNS_15BlockInvocationE+0x81)[0x82bd361]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius16BlockEnvironment10call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xd4)[0x82bd824]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius10Primitives16block_call_underEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0x92)[0x826ead2]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius8CallSite11empty_cacheEPNS_5StateEPS0_PNS_9CallFrameERNS_9ArgumentsE+0x14b)[0x82c0c2b]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode11interpreterEPNS_5StateEPS0_PNS_20InterpreterCallFrameE+0x18c4)[0x81e5354]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11MachineCode19execute_specializedINS_11NoArgumentsEEEPNS_6ObjectEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0x21f)[0x822c5df]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius12CompiledCode16default_executorEPNS_5StateEPNS_9CallFrameEPNS_10ExecutableEPNS_6ModuleERNS_9ArgumentsE+0xb8)[0x82c5f08]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius12CompiledFile7executeEPNS_5StateE+0x1f8)[0x81bb788]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11Environment8run_fileESs+0x1c0)[0x81c1840]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11Environment14load_directoryESs+0x25a)[0x81c288a]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11Environment11load_kernelESs+0x35d)[0x81c30ad]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(_ZN8rubinius11Environment19run_from_filesystemEv+0x21d)[0x81c379d]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx(main+0xcc)[0x81807dc]\\r\\n/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0xb74844d3]\\r\\n/home/vagrant/rubinius/rubinius/staging/bin/rbx[0x818e019]\\r\\n\\r\\n\\r\\nWrote full error report to: /home/vagrant/.rbx/rubinius_last_error_7042\\r\\nRun 'rbx report' to submit this crash report!\\r\\nrake aborted!\\r\\nCommand failed with status (): [/home/vagrant/rubinius/rubinius/staging/bi...]\\r\\n/home/vagrant/rubinius/rubinius/rakelib/gems.rake:5:in `bootstrap_rubinius'\\r\\n/home/vagrant/rubinius/rubinius/rakelib/gems.rake:50:in `block (3 levels) in <top (required)>'\\r\\n/home/vagrant/rubinius/rubinius/rakelib/gems.rake:47:in `chdir'\\r\\n/home/vagrant/rubinius/rubinius/rakelib/gems.rake:47:in `block (2 levels) in <top (required)>'\\r\\n/home/vagrant/.rvm/gems/ruby-2.1.5-dev/bin/ruby_executable_hooks:15:in `eval'\\r\\n/home/vagrant/.rvm/gems/ruby-2.1.5-dev/bin/ruby_executable_hooks:15:in `<main>'\\r\\nTasks: TOP => install => build:build => gems:melbourne\\r\\n(See full trace by running task with --trace)\\r\\n``` \\r\\n\\r\\nRubinius Crash Report: https://gist.github.com/undr/f47cce8d95b5901eb5d8\\r\\n\\r\\n```shell\\r\\n> rvm -v\\r\\nrvm 1.26.3 (latest) by Wayne E. Seguin <wayneeseguin@gmail.com>, Michal Papis <mpapis@gmail.com> [https://rvm.io/]\\r\\n> uname -a\\r\\nLinux precise32 3.2.0-23-generic-pae #36-Ubuntu SMP Tue Apr 10 22:19:09 UTC 2012 i686 i686 i386 GNU/Linux\\r\\n> lsb_release -a\\r\\nNo LSB modules are available.\\r\\nDistributor ID:\\tUbuntu\\r\\nDescription:\\tUbuntu 12.04 LTS\\r\\nRelease:\\t12.04\\r\\nCodename:\\tprecise\\r\\n```\\r\\n\\r\\n","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3225/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3225/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3225/comments","title":"Can't install rbx neither via rvm nor from sources","updated_at":"2015-01-01T13:58:06Z","html_url":"https://github.com/rubinius/rubinius/issues/3225","created_at":"2014-11-30T15:01:08Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/undr/starred{/owner}{/repo}","url":"https://api.github.com/users/undr","repos_url":"https://api.github.com/users/undr/repos","events_url":"https://api.github.com/users/undr/events{/privacy}","login":"undr","avatar_url":"https://avatars.githubusercontent.com/u/126763?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/undr","received_events_url":"https://api.github.com/users/undr/received_events","followers_url":"https://api.github.com/users/undr/followers","following_url":"https://api.github.com/users/undr/following{/other_user}","gists_url":"https://api.github.com/users/undr/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/undr/subscriptions","organizations_url":"https://api.github.com/users/undr/orgs","id":126763},"id":50460061,"number":3225,"comments":7}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3221","body":"Let's list them out here and then work on a dashboard. We should incorporate #2006 and #2121 in the dashboard.\\r\\n\\r\\n- [ ] sidekiq\\r\\n- [ ] celluloid\\r\\n- [ ] suckerpunch\\r\\n- [ ] Rails\\r\\n  - [ ] ActiveSupport\\r\\n  - [ ] ActionMailer\\r\\n  - [ ] ActionPack\\r\\n  - [ ] ActionView\\r\\n  - [ ] ActiveJob\\r\\n  - [ ] ActiveModel\\r\\n  - [ ] ActiveRecord","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3221/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3221/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3221/comments","title":"Ensure the tests for these projects run on Travis","updated_at":"2015-01-01T14:02:33Z","html_url":"https://github.com/rubinius/rubinius/issues/3221","created_at":"2014-11-20T18:49:51Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/jc00ke/starred{/owner}{/repo}","url":"https://api.github.com/users/jc00ke","repos_url":"https://api.github.com/users/jc00ke/repos","events_url":"https://api.github.com/users/jc00ke/events{/privacy}","login":"jc00ke","avatar_url":"https://avatars.githubusercontent.com/u/18191?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jc00ke","received_events_url":"https://api.github.com/users/jc00ke/received_events","followers_url":"https://api.github.com/users/jc00ke/followers","following_url":"https://api.github.com/users/jc00ke/following{/other_user}","gists_url":"https://api.github.com/users/jc00ke/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jc00ke/subscriptions","organizations_url":"https://api.github.com/users/jc00ke/orgs","id":18191},"id":49602877,"number":3221,"comments":1}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3217","body":"The other day, this app (https://github.com/ahwatts/mogilefs_s3_device), which is essentially a half-implemented WebDAV server that acts as an interface to S3 for our internal file-storage system, got in to a weird state and started throwing a lot of errors with this stack trace: https://gist.github.com/ahwatts/0b6c004d2c1943d4bccb . I suspect one or more of the database connections in our connection pool was broken somehow, because some requests were functioning while others were throwing this error.\\r\\n\\r\\nIt's entirely possible that I'm doing something wrong and unsupported here, but I'm not sure how to trace through the call down to the MySQL extension and then back up to Rubinius, and was wondering if y'all had any insight into this.\\r\\n\\r\\nRubinius version:\\r\\nrubinius 2.2.10 (2.1.0 bf61ae2e 2014-06-27 JI) [x86_64-linux-gnu]\\r\\n\\r\\nOS uname:\\r\\nLinux alt-storage1.internal.domain 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu Jun 19 21:14:45 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux\\r\\n\\r\\nStack trace:\\r\\nhttps://gist.github.com/ahwatts/0b6c004d2c1943d4bccb\\r\\n\\r\\nSource code:\\r\\nhttps://github.com/ahwatts/mogilefs_s3_device","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3217/events","labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3217/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3217/comments","title":"NoMethodError: undefined method `to_str' on false:FalseClass in mysql2 gem","updated_at":"2015-01-01T14:06:46Z","html_url":"https://github.com/rubinius/rubinius/issues/3217","created_at":"2014-11-17T16:25:57Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/ahwatts/starred{/owner}{/repo}","url":"https://api.github.com/users/ahwatts","repos_url":"https://api.github.com/users/ahwatts/repos","events_url":"https://api.github.com/users/ahwatts/events{/privacy}","login":"ahwatts","avatar_url":"https://avatars.githubusercontent.com/u/308758?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ahwatts","received_events_url":"https://api.github.com/users/ahwatts/received_events","followers_url":"https://api.github.com/users/ahwatts/followers","following_url":"https://api.github.com/users/ahwatts/following{/other_user}","gists_url":"https://api.github.com/users/ahwatts/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ahwatts/subscriptions","organizations_url":"https://api.github.com/users/ahwatts/orgs","id":308758},"id":49111805,"number":3217,"comments":1}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3230","body":"Maybe sprinter generates illegal bytecode sequence.\\r\\n\\r\\nI got busy recently. No further digging... I'd like to fix this if time allows me... ;)\\r\\n\\r\\nThis is the one-liner\\r\\n\\r\\n```\\r\\n./bin/mspec --repeat 100000 spec/ruby/core/string/modulo_spec.rb\\r\\n```\\r\\n\\r\\n```\\r\\nAssertion failed: (Val && \\"isa<> used on a null pointer\\"), function doit, file /usr/local/Cellar/llvm/3.5.0/include/llvm/Support/Casting.h, line 95.\\r\\nThe Rubinius process is aborting with signal: SIGABRT\\r\\n--- begin system info ---\\r\\nsysname: Darwin\\r\\nnodename: foobar\\r\\nrelease: 13.3.0\\r\\nversion: Darwin Kernel Version 13.3.0: Tue Jun  3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64\\r\\nmachine: x86_64\\r\\n--- end system info ---\\r\\n--- begin system backtrace ---\\r\\n0   rbx                                 0x000000010905cb48 _ZN8rubiniusL12segv_handlerEi + 248\\r\\n1   libsystem_platform.dylib            0x00007fff8d3065aa _sigtramp + 26\\r\\n2   ???                                 0x0000000000000000 0x0 + 0\\r\\n3   rbx                                 0x000000010997ed2b abort + 22\\r\\n4   rbx                                 0x000000010997ed15 abort + 0\\r\\n5   rbx                                 0x000000010912e8e7 _ZN4llvm9IRBuilderILb1ENS_14ConstantFolderEN8rubinius26IRBuilderInserterWithDebugEE10CreateICmpENS_7CmpInst9PredicateEPNS_5ValueES8_RKNS_5TwineE + 247\\r\\n6   rbx                                 0x000000010915da39 _ZN8rubinius8JITVisit24check_for_exception_thenEPN4llvm5ValueEPNS1_10BasicBlockEb + 217\\r\\n7   rbx                                 0x0000000109165a87 _ZN8rubinius8JITVisit19check_for_exceptionEPN4llvm5ValueEb + 119\\r\\n8   rbx                                 0x0000000109153192 _ZN8rubinius8JITVisit16visit_send_stackERmm + 1298\\r\\n9   rbx                                 0x00000001091487bd _ZN8rubinius17VisitInstructionsINS_8JITVisitEE8dispatchEi + 1917\\r\\n10  rbx                                 0x0000000109147fc3 _ZN8rubinius3jit6Walker4callERNS_14OpcodeIteratorE + 131\\r\\n11  rbx                                 0x0000000109147d3e _ZN8rubinius3jit17ControlFlowWalker3runINS0_6WalkerEEEvRT_ + 446\\r\\n12  rbx                                 0x0000000109145f7e _ZN8rubinius3jit7Builder13generate_bodyEv + 590\\r\\n13  rbx                                 0x00000001091676a0 _ZN8rubinius3jit8Compiler13compile_blockEPNS_17JITCompileRequestE + 624\\r\\n14  rbx                                 0x000000010917dbeb _ZN8rubinius9LLVMState7performEPNS_5StateE + 1083\\r\\n15  rbx                                 0x000000010917d78c _ZN8rubinius19jit_llvm_trampolineEPNS_5StateE + 28\\r\\n16  rbx                                 0x00000001090ed97b _ZN8rubinius6Thread13in_new_threadEPv + 747\\r\\n17  libsystem_pthread.dylib             0x00007fff9744e899 _pthread_body + 138\\r\\n18  libsystem_pthread.dylib             0x00007fff9744e72a _pthread_struct_init + 0\\r\\n19  libsystem_pthread.dylib             0x00007fff97452fc9 thread_start + 13\\r\\n--- end system backtrace ---\\r\\n--- begin Ruby backtraces ---\\r\\n--- Thread 1 backtrace ---\\r\\nRubinius::Mirror.reflect in kernel/bootstrap/mirror.rb:12 (+0 jit)\\r\\nRubinius::Mirror::Array.reflect in kernel/bootstrap/array_mirror.rb:7 (+3 jit)\\r\\nArray#initialize_copy in kernel/common/array.rb:85 (+31 inline)\\r\\nKernel#initialize_dup in kernel/common/kernel.rb:358 (+0 jit)\\r\\nRubinius::Type.object_initialize_dup in kernel/common/type.rb:493 (+0 jit)\\r\\nKernel#dup in kernel/alpha.rb:207 (+22 inline)\\r\\n__block__ in kernel/common/enumerable.rb:328 (+0 jit)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nEnumerable#all? in kernel/common/enumerable.rb:328 (+7 inline)\\r\\nContextState#protect in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:178 (+18 inline)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:210 (+79 jit)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:239 (+0 jit)\\r\\nInteger#times in kernel/common/integer.rb:196 (+31)\\r\\nMSpec.repeat in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:238 (+12)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:200 (+7)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nContextState#process in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:199 (+71)\\r\\nMSpec.describe in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:0 (+108)\\r\\nObject#describe in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/object.rb:11 (+42)\\r\\nObject#__script__ in /Users/ryo-onodera/rubinius-central/spec/ruby/core/string/modulo_spec.rb:4 (+46)\\r\\nKernel.load in kernel/common/kernel.rb:497 (+58)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:57 (+8)\\r\\nBasicObject#instance_eval in kernel/common/eval.rb:43 (+120)\\r\\nMSpec.protect in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:69 (+29)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:57 (+68)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nMSpec.files in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:51 (+42)\\r\\nMSpec.process in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:43 (+11)\\r\\nMSpecRun#run in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/commands/mspec-run.rb:94 (+35)\\r\\nMSpecScript.main in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/utils/script.rb:218 (+67)\\r\\nObject#__script__ in /Users/ryo-onodera/rubinius-central/mspec/bin/mspec-run:8 (+47)\\r\\nRubinius::CodeLoader#load_script in kernel/delta/code_loader.rb:66 (+52)\\r\\nRubinius::CodeLoader.load_script in kernel/delta/code_loader.rb:152 (+40)\\r\\nRubinius::Loader#script in kernel/loader.rb:645 (+214)\\r\\nRubinius::Loader#main in kernel/loader.rb:799 (+77)\\r\\n```","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/events","labels":[{"url":"https://api.github.com/repos/rubinius/rubinius/labels/crash","name":"crash","color":"ff0000"},{"url":"https://api.github.com/repos/rubinius/rubinius/labels/JIT","name":"JIT","color":"a6d18e"}],"labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/comments","title":"Some format pattern of String#% causes SEGV when to jit","updated_at":"2015-01-01T15:09:50Z","html_url":"https://github.com/rubinius/rubinius/issues/3230","created_at":"2014-12-05T12:09:44Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/ryoqun/starred{/owner}{/repo}","url":"https://api.github.com/users/ryoqun","repos_url":"https://api.github.com/users/ryoqun/repos","events_url":"https://api.github.com/users/ryoqun/events{/privacy}","login":"ryoqun","avatar_url":"https://avatars.githubusercontent.com/u/117807?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ryoqun","received_events_url":"https://api.github.com/users/ryoqun/received_events","followers_url":"https://api.github.com/users/ryoqun/followers","following_url":"https://api.github.com/users/ryoqun/following{/other_user}","gists_url":"https://api.github.com/users/ryoqun/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ryoqun/subscriptions","organizations_url":"https://api.github.com/users/ryoqun/orgs","id":117807},"id":51092093,"number":3230,"comments":3}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3230","body":"Maybe sprinter generates illegal bytecode sequence.\\r\\n\\r\\nI got busy recently. No further digging... I'd like to fix this if time allows me... ;)\\r\\n\\r\\nThis is the one-liner\\r\\n\\r\\n```\\r\\n./bin/mspec --repeat 100000 spec/ruby/core/string/modulo_spec.rb\\r\\n```\\r\\n\\r\\n```\\r\\nAssertion failed: (Val && \\"isa<> used on a null pointer\\"), function doit, file /usr/local/Cellar/llvm/3.5.0/include/llvm/Support/Casting.h, line 95.\\r\\nThe Rubinius process is aborting with signal: SIGABRT\\r\\n--- begin system info ---\\r\\nsysname: Darwin\\r\\nnodename: foobar\\r\\nrelease: 13.3.0\\r\\nversion: Darwin Kernel Version 13.3.0: Tue Jun  3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64\\r\\nmachine: x86_64\\r\\n--- end system info ---\\r\\n--- begin system backtrace ---\\r\\n0   rbx                                 0x000000010905cb48 _ZN8rubiniusL12segv_handlerEi + 248\\r\\n1   libsystem_platform.dylib            0x00007fff8d3065aa _sigtramp + 26\\r\\n2   ???                                 0x0000000000000000 0x0 + 0\\r\\n3   rbx                                 0x000000010997ed2b abort + 22\\r\\n4   rbx                                 0x000000010997ed15 abort + 0\\r\\n5   rbx                                 0x000000010912e8e7 _ZN4llvm9IRBuilderILb1ENS_14ConstantFolderEN8rubinius26IRBuilderInserterWithDebugEE10CreateICmpENS_7CmpInst9PredicateEPNS_5ValueES8_RKNS_5TwineE + 247\\r\\n6   rbx                                 0x000000010915da39 _ZN8rubinius8JITVisit24check_for_exception_thenEPN4llvm5ValueEPNS1_10BasicBlockEb + 217\\r\\n7   rbx                                 0x0000000109165a87 _ZN8rubinius8JITVisit19check_for_exceptionEPN4llvm5ValueEb + 119\\r\\n8   rbx                                 0x0000000109153192 _ZN8rubinius8JITVisit16visit_send_stackERmm + 1298\\r\\n9   rbx                                 0x00000001091487bd _ZN8rubinius17VisitInstructionsINS_8JITVisitEE8dispatchEi + 1917\\r\\n10  rbx                                 0x0000000109147fc3 _ZN8rubinius3jit6Walker4callERNS_14OpcodeIteratorE + 131\\r\\n11  rbx                                 0x0000000109147d3e _ZN8rubinius3jit17ControlFlowWalker3runINS0_6WalkerEEEvRT_ + 446\\r\\n12  rbx                                 0x0000000109145f7e _ZN8rubinius3jit7Builder13generate_bodyEv + 590\\r\\n13  rbx                                 0x00000001091676a0 _ZN8rubinius3jit8Compiler13compile_blockEPNS_17JITCompileRequestE + 624\\r\\n14  rbx                                 0x000000010917dbeb _ZN8rubinius9LLVMState7performEPNS_5StateE + 1083\\r\\n15  rbx                                 0x000000010917d78c _ZN8rubinius19jit_llvm_trampolineEPNS_5StateE + 28\\r\\n16  rbx                                 0x00000001090ed97b _ZN8rubinius6Thread13in_new_threadEPv + 747\\r\\n17  libsystem_pthread.dylib             0x00007fff9744e899 _pthread_body + 138\\r\\n18  libsystem_pthread.dylib             0x00007fff9744e72a _pthread_struct_init + 0\\r\\n19  libsystem_pthread.dylib             0x00007fff97452fc9 thread_start + 13\\r\\n--- end system backtrace ---\\r\\n--- begin Ruby backtraces ---\\r\\n--- Thread 1 backtrace ---\\r\\nRubinius::Mirror.reflect in kernel/bootstrap/mirror.rb:12 (+0 jit)\\r\\nRubinius::Mirror::Array.reflect in kernel/bootstrap/array_mirror.rb:7 (+3 jit)\\r\\nArray#initialize_copy in kernel/common/array.rb:85 (+31 inline)\\r\\nKernel#initialize_dup in kernel/common/kernel.rb:358 (+0 jit)\\r\\nRubinius::Type.object_initialize_dup in kernel/common/type.rb:493 (+0 jit)\\r\\nKernel#dup in kernel/alpha.rb:207 (+22 inline)\\r\\n__block__ in kernel/common/enumerable.rb:328 (+0 jit)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nEnumerable#all? in kernel/common/enumerable.rb:328 (+7 inline)\\r\\nContextState#protect in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:178 (+18 inline)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:210 (+79 jit)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:239 (+0 jit)\\r\\nInteger#times in kernel/common/integer.rb:196 (+31)\\r\\nMSpec.repeat in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:238 (+12)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:200 (+7)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nContextState#process in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/context.rb:199 (+71)\\r\\nMSpec.describe in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:0 (+108)\\r\\nObject#describe in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/object.rb:11 (+42)\\r\\nObject#__script__ in /Users/ryo-onodera/rubinius-central/spec/ruby/core/string/modulo_spec.rb:4 (+46)\\r\\nKernel.load in kernel/common/kernel.rb:497 (+58)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:57 (+8)\\r\\nBasicObject#instance_eval in kernel/common/eval.rb:43 (+120)\\r\\nMSpec.protect in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:69 (+29)\\r\\n__block__ in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:57 (+68)\\r\\nArray#each in kernel/bootstrap/array.rb:76 (+51 jit)\\r\\nMSpec.files in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:51 (+42)\\r\\nMSpec.process in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/runner/mspec.rb:43 (+11)\\r\\nMSpecRun#run in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/commands/mspec-run.rb:94 (+35)\\r\\nMSpecScript.main in /Users/ryo-onodera/rubinius-central/mspec/lib/mspec/utils/script.rb:218 (+67)\\r\\nObject#__script__ in /Users/ryo-onodera/rubinius-central/mspec/bin/mspec-run:8 (+47)\\r\\nRubinius::CodeLoader#load_script in kernel/delta/code_loader.rb:66 (+52)\\r\\nRubinius::CodeLoader.load_script in kernel/delta/code_loader.rb:152 (+40)\\r\\nRubinius::Loader#script in kernel/loader.rb:645 (+214)\\r\\nRubinius::Loader#main in kernel/loader.rb:799 (+77)\\r\\n```","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/events","labels":[{"url":"https://api.github.com/repos/rubinius/rubinius/labels/crash","name":"crash","color":"ff0000"},{"url":"https://api.github.com/repos/rubinius/rubinius/labels/JIT","name":"JIT","color":"a6d18e"},{"url":"https://api.github.com/repos/rubinius/rubinius/labels/Needs+feedback","name":"Needs feedback","color":"fef2c0"}],"labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3230/comments","title":"Some format pattern of String#% causes SEGV when to jit","updated_at":"2015-01-01T15:20:57Z","html_url":"https://github.com/rubinius/rubinius/issues/3230","created_at":"2014-12-05T12:09:44Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/ryoqun/starred{/owner}{/repo}","url":"https://api.github.com/users/ryoqun","repos_url":"https://api.github.com/users/ryoqun/repos","events_url":"https://api.github.com/users/ryoqun/events{/privacy}","login":"ryoqun","avatar_url":"https://avatars.githubusercontent.com/u/117807?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ryoqun","received_events_url":"https://api.github.com/users/ryoqun/received_events","followers_url":"https://api.github.com/users/ryoqun/followers","following_url":"https://api.github.com/users/ryoqun/following{/other_user}","gists_url":"https://api.github.com/users/ryoqun/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ryoqun/subscriptions","organizations_url":"https://api.github.com/users/ryoqun/orgs","id":117807},"id":51092093,"number":3230,"comments":4}}
+27	{"issue":{"url":"https://api.github.com/repos/rubinius/rubinius/issues/3265","body":"Porting from rubyspec/rubyspec#23\\r\\n\\r\\nhttp://gist.github.com/437039\\r\\n\\r\\n- [ ] Pull out shared specs\\r\\n- [ ] Review specs","events_url":"https://api.github.com/repos/rubinius/rubinius/issues/3265/events","labels":[{"url":"https://api.github.com/repos/rubinius/rubinius/labels/spec","name":"spec","color":"d4d4d4"}],"labels_url":"https://api.github.com/repos/rubinius/rubinius/issues/3265/labels{/name}","comments_url":"https://api.github.com/repos/rubinius/rubinius/issues/3265/comments","title":"Kernel.chomp specs","updated_at":"2015-01-01T18:03:50Z","html_url":"https://github.com/rubinius/rubinius/issues/3265","created_at":"2015-01-01T18:03:50Z","locked":0,"state":"open","user":{"starred_url":"https://api.github.com/users/jc00ke/starred{/owner}{/repo}","url":"https://api.github.com/users/jc00ke","repos_url":"https://api.github.com/users/jc00ke/repos","events_url":"https://api.github.com/users/jc00ke/events{/privacy}","login":"jc00ke","avatar_url":"https://avatars.githubusercontent.com/u/18191?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jc00ke","received_events_url":"https://api.github.com/users/jc00ke/received_events","followers_url":"https://api.github.com/users/jc00ke/followers","following_url":"https://api.github.com/users/jc00ke/following{/other_user}","gists_url":"https://api.github.com/users/jc00ke/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jc00ke/subscriptions","organizations_url":"https://api.github.com/users/jc00ke/orgs","id":18191},"id":53224957,"number":3265,"comments":0}}
+
diff --git a/regression-test/data/variant_p2/sql/sql05.out b/regression-test/data/variant_p2/sql/sql05.out
new file mode 100644
index 0000000000..5e2167b9db
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql05.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql05 --
+10776362
+
diff --git a/regression-test/data/variant_p2/sql/sql06.out b/regression-test/data/variant_p2/sql/sql06.out
new file mode 100644
index 0000000000..247a88c06e
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql06.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql06 --
+1910661
+
diff --git a/regression-test/data/variant_p2/sql/sql07.out b/regression-test/data/variant_p2/sql/sql07.out
new file mode 100644
index 0000000000..841f7f09d9
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql07.out
@@ -0,0 +1,16 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql07 --
+0
+
+-- !sql07_2 --
+[{"sha":"dbd68d30ee1f7b60d404553fc1c6226ebb374c8e","author":{"email":"88de463b5797707cf3425f85a415c3d869db732b@gmail.com","name":"Soumith Chintala"},"message":"back to old structure, except lua files moved out","distinct":true,"url":"https://api.github.com/repos/soumith/fbcunn/commits/dbd68d30ee1f7b60d404553fc1c6226ebb374c8e"},{"sha":"5567f9f5a83d7fe3320b18e5b89405e8a5ca77e6","author":{"email":"88de463b5797707cf3425f85a415c3d869db732b@gmail.com","name":"Soumith Chintala"},"message":"...","distinct":true,"url":"https://api.github.com/repos/soumith/fbcunn/commits/5567f9f5a83d7fe3320b18e5b89405e8a5ca77e6"},{"sha":"58a83b277328eca811d3a37cf171b2fc4fcd87af","author":{"email":"88de463b5797707cf3425f85a415c3d869db732b@gmail.com","name":"Soumith Chintala"},"message":"...","distinct":true,"url":"https://api.github.com/repos/soumith/fbcunn/commits/58a83b277328eca811d3a37cf171b2fc4fcd87af"},{"sha":"fa6048ec9b9eeafd12cee5f81324f355e1f2a198","author":{"email":"88de463b5797707cf3425f85a415c3d869db732b@gmail.com","name":"Soumith Chintala"},"message":"...","distinct":true,"url":"https://api.github.com/repos/soumith/fbcunn/commits/fa6048ec9b9eeafd12cee5f81324f355e1f2a198"}]
+[{"sha":"defdbe78db98ad69d72f42b09194309f47616592","author":{"email":"5f33e8ddd36b0c849687df732835b9abbe9b347b@twistedmatrix.com","name":"Christopher Armstrong"},"message":"put the auto-generated API docs in the repository so readthedocs will work.\\nsigh.","distinct":true,"url":"https://api.github.com/repos/radix/effect/commits/defdbe78db98ad69d72f42b09194309f47616592"}]
+\N
+[{"sha":"4bb12488d56ea651c56d9688996b464b99095582","author":{"email":"291c18f3fb7528c712d9098b0e50a515ea0b91d5@cloudera.com","name":"Sean Owen"},"message":"SPARK-2757 [BUILD] [STREAMING] Add Mima test for Spark Sink after 1.10 is released\\n\\nRe-enable MiMa for Streaming Flume Sink module, now that 1.1.0 is released, per the JIRA TO-DO. That's pretty much all there is to this.\\n\\nAuthor: Sean Owen <sowen@cloudera.com>\\n\\nCloses #3842 from srowen/SPARK-2757 and squashes the following commits:\\n\\n50ff80e [Sean Owen] Exclude apparent false positive turned up by re-enabling MiMa checks for Streaming Flume Sink\\n0e5ba5c [Sean Owen] Re-enable MiMa for Streaming Flume Sink module","distinct":true,"url":"https://api.github.com/repos/apache/spark/commits/4bb12488d56ea651c56d9688996b464b99095582"}]
+\N
+[{"sha":"0fb2391e7aabeb57f358d5d51c70c766e6fa00d1","author":{"email":"821f468726cd384db724fde38ddabae6642cf80c@gmail.com","name":"Uygun BODUR"},"message":".","distinct":true,"url":"https://api.github.com/repos/uygunuks/AsalSayiKalibi/commits/0fb2391e7aabeb57f358d5d51c70c766e6fa00d1"}]
+[{"sha":"05438aee0e5572a6e4adf91d7eef32917812d9e9","author":{"email":"de163e90d3aeef9f404d1de71c48e234a211e3c3@gmail.com","name":"KT"},"message":"Update","distinct":true,"url":"https://api.github.com/repos/qdm/qdm.github.io/commits/05438aee0e5572a6e4adf91d7eef32917812d9e9"}]
+[{"sha":"44753191dc8f615ccda4f0afe31a09342172cfe4","author":{"email":"7fbc091194a9488bfb16868527a7c3a8ba469dba@gmail.com","name":"Seth Carter"},"message":"Wed Dec 31 20:00:02 EST 2014","distinct":true,"url":"https://api.github.com/repos/sundaymtn/waterline/commits/44753191dc8f615ccda4f0afe31a09342172cfe4"}]
+\N
+\N
+
diff --git a/regression-test/data/variant_p2/sql/sql08.out b/regression-test/data/variant_p2/sql/sql08.out
new file mode 100644
index 0000000000..36e3e60810
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/sql08.out
@@ -0,0 +1,13 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql08 --
+{"issue":{"user":{"starred_url":"https://api.github.com/users/YorickPeterse/starred{/owner}{/repo}","url":"https://api.github.com/users/YorickPeterse","repos_url":"https://api.github.com/users/YorickPeterse/repos","events_url":"https://api.github.com/users/YorickPeterse/events{/privacy}","login":"YorickPeterse","avatar_url":"https://avatars.githubusercontent.com/u/86065?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/YorickPeterse","received_events_url":"https://api.github.com/users/YorickPeterse/received_events","followers_url":"https://api.github.com/users/YorickPeterse/followers","following_url":"https://api.github.com/users/YorickPeterse/following{/other_user}","gists_url":"https://api.github.com/users/YorickPeterse/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/YorickPeterse/subscriptions","organizations_url":"https://api.github.com/users/YorickPeterse/orgs","id":86065}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/jzakiya/starred{/owner}{/repo}","url":"https://api.github.com/users/jzakiya","repos_url":"https://api.github.com/users/jzakiya/repos","events_url":"https://api.github.com/users/jzakiya/events{/privacy}","login":"jzakiya","avatar_url":"https://avatars.githubusercontent.com/u/69856?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jzakiya","received_events_url":"https://api.github.com/users/jzakiya/received_events","followers_url":"https://api.github.com/users/jzakiya/followers","following_url":"https://api.github.com/users/jzakiya/following{/other_user}","gists_url":"https://api.github.com/users/jzakiya/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jzakiya/subscriptions","organizations_url":"https://api.github.com/users/jzakiya/orgs","id":69856}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/altkatz/starred{/owner}{/repo}","url":"https://api.github.com/users/altkatz","repos_url":"https://api.github.com/users/altkatz/repos","events_url":"https://api.github.com/users/altkatz/events{/privacy}","login":"altkatz","avatar_url":"https://avatars.githubusercontent.com/u/4903871?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/altkatz","received_events_url":"https://api.github.com/users/altkatz/received_events","followers_url":"https://api.github.com/users/altkatz/followers","following_url":"https://api.github.com/users/altkatz/following{/other_user}","gists_url":"https://api.github.com/users/altkatz/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/altkatz/subscriptions","organizations_url":"https://api.github.com/users/altkatz/orgs","id":4903871}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/FooBarWidget/starred{/owner}{/repo}","url":"https://api.github.com/users/FooBarWidget","repos_url":"https://api.github.com/users/FooBarWidget/repos","events_url":"https://api.github.com/users/FooBarWidget/events{/privacy}","login":"FooBarWidget","avatar_url":"https://avatars.githubusercontent.com/u/819?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/FooBarWidget","received_events_url":"https://api.github.com/users/FooBarWidget/received_events","followers_url":"https://api.github.com/users/FooBarWidget/followers","following_url":"https://api.github.com/users/FooBarWidget/following{/other_user}","gists_url":"https://api.github.com/users/FooBarWidget/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/FooBarWidget/subscriptions","organizations_url":"https://api.github.com/users/FooBarWidget/orgs","id":819}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/undr/starred{/owner}{/repo}","url":"https://api.github.com/users/undr","repos_url":"https://api.github.com/users/undr/repos","events_url":"https://api.github.com/users/undr/events{/privacy}","login":"undr","avatar_url":"https://avatars.githubusercontent.com/u/126763?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/undr","received_events_url":"https://api.github.com/users/undr/received_events","followers_url":"https://api.github.com/users/undr/followers","following_url":"https://api.github.com/users/undr/following{/other_user}","gists_url":"https://api.github.com/users/undr/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/undr/subscriptions","organizations_url":"https://api.github.com/users/undr/orgs","id":126763}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/jc00ke/starred{/owner}{/repo}","url":"https://api.github.com/users/jc00ke","repos_url":"https://api.github.com/users/jc00ke/repos","events_url":"https://api.github.com/users/jc00ke/events{/privacy}","login":"jc00ke","avatar_url":"https://avatars.githubusercontent.com/u/18191?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jc00ke","received_events_url":"https://api.github.com/users/jc00ke/received_events","followers_url":"https://api.github.com/users/jc00ke/followers","following_url":"https://api.github.com/users/jc00ke/following{/other_user}","gists_url":"https://api.github.com/users/jc00ke/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jc00ke/subscriptions","organizations_url":"https://api.github.com/users/jc00ke/orgs","id":18191}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/ahwatts/starred{/owner}{/repo}","url":"https://api.github.com/users/ahwatts","repos_url":"https://api.github.com/users/ahwatts/repos","events_url":"https://api.github.com/users/ahwatts/events{/privacy}","login":"ahwatts","avatar_url":"https://avatars.githubusercontent.com/u/308758?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ahwatts","received_events_url":"https://api.github.com/users/ahwatts/received_events","followers_url":"https://api.github.com/users/ahwatts/followers","following_url":"https://api.github.com/users/ahwatts/following{/other_user}","gists_url":"https://api.github.com/users/ahwatts/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ahwatts/subscriptions","organizations_url":"https://api.github.com/users/ahwatts/orgs","id":308758}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/ryoqun/starred{/owner}{/repo}","url":"https://api.github.com/users/ryoqun","repos_url":"https://api.github.com/users/ryoqun/repos","events_url":"https://api.github.com/users/ryoqun/events{/privacy}","login":"ryoqun","avatar_url":"https://avatars.githubusercontent.com/u/117807?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ryoqun","received_events_url":"https://api.github.com/users/ryoqun/received_events","followers_url":"https://api.github.com/users/ryoqun/followers","following_url":"https://api.github.com/users/ryoqun/following{/other_user}","gists_url":"https://api.github.com/users/ryoqun/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ryoqun/subscriptions","organizations_url":"https://api.github.com/users/ryoqun/orgs","id":117807}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/ryoqun/starred{/owner}{/repo}","url":"https://api.github.com/users/ryoqun","repos_url":"https://api.github.com/users/ryoqun/repos","events_url":"https://api.github.com/users/ryoqun/events{/privacy}","login":"ryoqun","avatar_url":"https://avatars.githubusercontent.com/u/117807?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/ryoqun","received_events_url":"https://api.github.com/users/ryoqun/received_events","followers_url":"https://api.github.com/users/ryoqun/followers","following_url":"https://api.github.com/users/ryoqun/following{/other_user}","gists_url":"https://api.github.com/users/ryoqun/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/ryoqun/subscriptions","organizations_url":"https://api.github.com/users/ryoqun/orgs","id":117807}}}
+{"issue":{"user":{"starred_url":"https://api.github.com/users/jc00ke/starred{/owner}{/repo}","url":"https://api.github.com/users/jc00ke","repos_url":"https://api.github.com/users/jc00ke/repos","events_url":"https://api.github.com/users/jc00ke/events{/privacy}","login":"jc00ke","avatar_url":"https://avatars.githubusercontent.com/u/18191?v=3","gravatar_id":"","site_admin":0,"html_url":"https://github.com/jc00ke","received_events_url":"https://api.github.com/users/jc00ke/received_events","followers_url":"https://api.github.com/users/jc00ke/followers","following_url":"https://api.github.com/users/jc00ke/following{/other_user}","gists_url":"https://api.github.com/users/jc00ke/gists{/gist_id}","type":"User","subscriptions_url":"https://api.github.com/users/jc00ke/subscriptions","organizations_url":"https://api.github.com/users/jc00ke/orgs","id":18191}}}
+
diff --git a/regression-test/data/variant_p2/sql/theLongestRepositoryNames1.out b/regression-test/data/variant_p2/sql/theLongestRepositoryNames1.out
new file mode 100644
index 0000000000..bacc785915
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theLongestRepositoryNames1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theLongestRepositoryNames1 --
+1	MicrocontrollersAndMore/OpenCV_Tutorial_11_Object_Detection_and_Tracking_via_SURF_Speeded_Up_Robust_Features_in_Emgu_CV
+1	vintagegamingsystems/Disk-Low-Level-Discovery-for-Physical-Disk-within-Windows-Performance-Monitoring-in-Zabbix-2.0
+1	monticeharmon/https-play.google.com-store-music-album-Montice_Harmon_Cold_Winters_Night-id-Baicxouzhmtwlne3p6ls6
+2	Snooker147/sjkfgshdjfgsjhdfgsjhcfasghsjgkwjefriougijdbfjfgqwhfdsjsdhfjhsdgfwfrwghehjdsffffjhgsfsdfjwhegwejhgsjd
+1	GITenberg/De-legende-en-de-heldhaftige-vroolijke-en-roemrijke-daden-van-Uilenspiegel-en-Lamme-Goedzak-i__11208
+1	GITenberg/Fifteen-Thousand-Useful-Phrases--13-A-Practical-Handbook-Of-Pertinent-Expressions-Striking-Si__18362
+1	GITenberg/The-Rangers--or-The-Tory-s-Daughter--13-A-Tale-Illustrative-of-the-Revolutionary-History-of-Ve__6947
+2	rtorr/yo_luke_how_have_you_been_is_the_weather_nice_up_payson_I_wonder_how_long_this_can_get_whoa_impressi
+1	amigojapan/Arduino-Retro-Computer-with-SD-card-and-LCD-display-and-Keyboard-input-with-BASIC-interpreter
+1	bradparks/Exchange_SOAP_example_using_NTLM_and_BASIC_authentication_from_java_for_desktop_and_android
+1	amangudan/-Cara-Mendapatkan-Pulsa-Gratis-dengan-Mudah-di-Android-Menggunakan-Aplikasi-Pudding-Points
+1	eb0f8345cecce97c9a9d85f635bdd860bf/f86369183b1c3e6ee785a9b7b4181dc5d4a0b70bf8b2775ddc20076e1d43738f
+1	ForensicTools/OpenSourceArtifactollectionToolkit-OSACT-475_2141-Cifranic-Mercado-Simmonds-Voellmer
+1	USA24/-a-href-https-godoc.org-github.com-google-go-github-img-src-https-godoc.org-github.com-googl
+1	amangudan/Cara-Termudah-Mendapatkan-Uang-Dollar-di-Internet-dengan-Aplikasi-Android-secara-Gratis
+1	elota/-alt-https-codenvy.com-factory-resources-factory-white.png-https-codenvy.com-ide-resources-
+1	NSCookbook/Recipe-16.2-Populating-a-UITableView-With-Data-From-The-Web---iOS-7-and-AFNetworking
+1	Alhesnawi/Car-Door-Lock-System-Control-Via-SMS-Remote-Control-Using-an-Arduino-Microcontroller
+1	mastersoftwaresolutions/magento-extension-to-create-different-homepage-for-logged-In-customer
+1	visualtecnologicc/git-remote-add-origin-https---github.com-visualtecnologicc-database-oposte
+1	AkhilReddy/MITx-6.00.1x-Introduction-to-Computer-Science-and-Programming-Using-Python-Codes
+1	FIU-SCIS-Senior-Project-2015-Spring/Smart-Systems-for-Occupancy-and-Building-Energy-Control
+2	Hispano/Guia-sobre-Git-Github-y-Metodologia-de-Desarrollo-de-Software-usando-Git-y-Github
+1	dimitrisgousios/git-clone-ssh-dimitrisgousios-git.code.sf.net-p-web-box-code-web-box-code
+1	vivek73153/IOS-Application-Projects-Demos-Useful-Much-and-Much-All-are-Very-Nice-Projects
+1	ap-tech/Getting-started-with-the-TSL1401CL-linescan-camera-with-arduino-and-processing.-
+1	fi-content2-games-platform/FIcontent.Gaming.Enabler.RealityMixer.CameraArtifactRendering
+1	mahmudahsan/Graph-API---IFrame-Base-Facebook-Application-Development-PHP-SDK-3.0--Source
+3	Theofilos-Chamalis/edX-6.00.2x-Introduction-to-Computational-Thinking-and-Data-Science
+1	UndeadBaneGitHub/a-very-long-repo-name-here-to-see-how-the-design-behaves-in-this-case
+3	mr09gasp/SienaCollegeSoftwareEngineering-2014-15-Team-Documentation---Maroon-Solutions
+1	sethwoodworth/The-Jesuit-Relations-and-Allied-Documents-Vol.-V--Quebec-1632-1633_48562
+2	theappguruz/DRAW-LINE-ON-MOUSE-MOVE-AND-DETECT-LINE-COLLISION-IN-UNITY-2D-AND-UNITY-3D
+1	brent-humphries/https-help.github.com-assets-images-help-issues-issues_search_bar.png
+1	RussellPolitzky/Castle-Windsor-WCF-Service-With-Interceptor-and-Meta-Data-Publishing
+1	YaoHuiJi/Professional-Node.js-Building-Javascript-Based-Scalable-Software-in-Chinese
+1	antgraf/C--Numbered-Lines-Control-for-RichTextBox--LineNumbersControlForRichTextBox-
+1	harmeetsingh0013/Demo-Project-using-Spring-Security-Oauth2-Thymeleaf-and-Spring-Data
+2	anshinfosolz/Advantages-of-Custom-WordPress-Development-of-a-Top-Web-Design-Company
+1	hbwjhbwj/https---github.com-mongodb-mongo-java-driver-tree-master-src-main-org-bson
+1	larrybuch/d3-things-i-copy-and-paste-from-old-projects-all-the-time-in-one-document
+4	GoogleCloudPlatform/solutions-load-balanced-gaming-server-on-google-compute-engine
+1	ictoi/transfer-ownership-of-google-drive-files-via-service-account-and-impersonate
+1	rohitsinha54/Coursera-Introduction-to-Recommender-Systems-Programming-Assignment-5
+1	senthilakr88/Database--Query-Optimization--Indexer--Parser--and-Interpreter--Java-
+1	tvmeubel/Dressoir--tv-meubel-of-tv-meubel-met-design-uitstraling-bij-Zitmaxx-Wonen
+1	FrontenderMagazine/javascript-ecma-262-tc39-and-ecmascript-transpilers-explained
+1	tegansnyder/Magento-Programmatically-Create-Recurring-Profiles-Authorize.net-CIM
+2	Dev-Dipesh/Vagrant-Ansible-NewRelic-setup-for-Node.Js-on-both-Windows-and-Linux
+3	FurongHuang/Fast-Detection-of-Overlapping-Communities-via-Online-Tensor-Methods
+
diff --git a/regression-test/data/variant_p2/sql/theLongestRepositoryNames2.out b/regression-test/data/variant_p2/sql/theLongestRepositoryNames2.out
new file mode 100644
index 0000000000..ae941f8e12
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theLongestRepositoryNames2.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theLongestRepositoryNames2 --
+hf/q	2
+mg/i	1
+tj/n	450
+0a-/M	1
+bpq/1	1
+bpq/q	2
+i3/i3	281
+knu/z	1
+kr/fs	6
+kr/hk	2
+kr/s3	9
+m8w/1	1
+m8w/2	1
+nf/dl	7
+rf/nd	4
+rr/rr	7
+ry/hl	70
+s4/s4	1
+sjl/d	8
+sjl/t	23
+sm/sm	2
+tj/bm	3
+tj/co	453
+v8/v8	128
+wq/wq	5
+xtk/X	21
+0a-/0a	4
+0k/oem	1
+18F/C2	2
+4ad/go	15
+550/ca	1
+8l/ged	1
+CTA/PS	1
+Cue/qc	2
+Ink/fp	1
+OCA/hr	2
+OJ/csd	1
+Pana/n	3
+USP/BD	1
+USP/IA	1
+Xe/dev	1
+akr/tb	1
+aoh/ni	1
+apk/ak	1
+ast/cv	1
+avz/pp	2
+bem/bh	8
+bitc/1	1
+bq/zob	1
+bq/zum	6
+
diff --git a/regression-test/data/variant_p2/sql/theMostToughCodeReviews.out b/regression-test/data/variant_p2/sql/theMostToughCodeReviews.out
new file mode 100644
index 0000000000..e4111f443f
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theMostToughCodeReviews.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theMostToughCodeReviews --
+https://github.com/Homebrew/homebrew/pull/	257
+https://github.com/apache/spark/pull/	198
+https://github.com/rails/rails/pull/	171
+https://github.com/rust-lang/rust/pull/	156
+https://github.com/docker/docker/pull/	135
+https://github.com/mozilla-b2g/gaia/pull/	123
+https://github.com/symfony/symfony/pull/	118
+https://github.com/GoogleCloudPlatform/kubernetes/pull/	107
+https://github.com/rust-lang/rfcs/pull/	107
+https://github.com/edx/edx-platform/pull/	103
+https://github.com/deadlyvipers/dojo_rules/pull/	85
+https://github.com/odoo/odoo/pull/	85
+https://github.com/NixOS/nixpkgs/pull/	84
+https://github.com/django/django/pull/	84
+https://github.com/iojs/io.js/pull/	84
+https://github.com/tgstation/-tg-station/pull/	81
+https://github.com/cms-sw/cmssw/pull/	76
+https://github.com/laravel/framework/pull/	71
+https://github.com/dotnet/corefx/pull/	70
+https://github.com/JuliaLang/julia/pull/	59
+https://github.com/dotnet/roslyn/pull/	58
+https://github.com/xbmc/xbmc/pull/	58
+https://github.com/php/php-src/pull/	56
+https://github.com/dolphin-emu/dolphin/pull/	55
+https://github.com/scikit-learn/scikit-learn/pull/	54
+https://github.com/puppetlabs/puppet/pull/	53
+https://github.com/D-Programming-Language/phobos/pull/	52
+https://github.com/joomla/joomla-cms/pull/	50
+https://github.com/iojs/website/pull/	49
+https://github.com/facebook/react/pull/	48
+https://github.com/angular/angular.js/pull/	47
+https://github.com/thoughtbot/til/pull/	47
+https://github.com/dotnet/coreclr/pull/	46
+https://github.com/sympy/sympy/pull/	46
+https://github.com/TrinityCore/TrinityCore/pull/	45
+https://github.com/symfony/symfony-docs/pull/	45
+https://github.com/caskroom/homebrew-cask/pull/	44
+https://github.com/ceph/ceph/pull/	44
+https://github.com/emberjs/ember.js/pull/	44
+https://github.com/scipy/scipy/pull/	44
+https://github.com/Wikia/app/pull/	43
+https://github.com/neovim/neovim/pull/	43
+https://github.com/CleverRaven/Cataclysm-DDA/pull/	42
+https://github.com/cakephp/cakephp/pull/	42
+https://github.com/rapid7/metasploit-framework/pull/	42
+https://github.com/saltstack/salt/pull/	42
+https://github.com/ManageIQ/manageiq/pull/	41
+https://github.com/owncloud/core/pull/	41
+https://github.com/matplotlib/matplotlib/pull/	40
+https://github.com/zendframework/zf2/pull/	40
+
diff --git a/regression-test/data/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.out b/regression-test/data/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.out
new file mode 100644
index 0000000000..40fcc46bc8
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfRepositoriesOnGithub --
+3675646
+
diff --git a/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub1.out b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub1.out
new file mode 100644
index 0000000000..fe0d72e962
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub1.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub1 --
+1737953
+
diff --git a/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub2.out b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub2.out
new file mode 100644
index 0000000000..717e8e9515
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub2 --
+524456
+
diff --git a/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub3.out b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub3.out
new file mode 100644
index 0000000000..093f92f976
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub3.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub3 --
+975615
+
diff --git a/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub4.out b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub4.out
new file mode 100644
index 0000000000..3b00e391e1
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/theTotalNumberOfUsersOnGithub4.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !theTotalNumberOfUsersOnGithub4 --
+228702
+
diff --git a/regression-test/data/variant_p2/sql/topRepositoriesByStars.out b/regression-test/data/variant_p2/sql/topRepositoriesByStars.out
new file mode 100644
index 0000000000..1221a8714c
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/topRepositoriesByStars.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !topRepositoriesByStars --
+facebook/react-native	10021
+phanan/htaccess	7964
+alex/what-happens-when	7407
+facebook/react	6762
+moklick/frontend-stuff	6528
+prakhar1989/awesome-courses	6110
+yaronn/blessed-contrib	5880
+arasatasaygin/is.js	5498
+vhf/free-programming-books	5437
+tiimgreen/github-cheat-sheet	5420
+gorhill/uBlock	5415
+Flipboard/react-canvas	5187
+h5bp/Front-end-Developer-Interview-Questions	5177
+sdelements/lets-chat	5045
+iojs/io.js	4866
+bendc/frontend-guidelines	4696
+twbs/bootstrap	4475
+getify/You-Dont-Know-JS	4344
+0xAX/linux-insides	4220
+IanLunn/Hover	4102
+dotnet/coreclr	4049
+daniel-lundin/snabbt.js	3996
+angular/angular.js	3942
+Mango/slideout	3866
+twostairs/paperwork	3684
+Dogfalo/materialize	3664
+libreboard/libreboard	3469
+mbostock/d3	3422
+Selz/plyr	3403
+USArmyResearchLab/Dshell	3401
+LeaVerou/awesomplete	3390
+MengTo/Spring	3276
+muut/riotjs	3244
+wasabeef/awesome-android-ui	3225
+airbnb/javascript	3155
+sophron/wifiphisher	3142
+KeyboardFire/mkcast	3134
+google/fonts	3122
+mikechau/react-primer-draft	3044
+jhauswald/sirius	3030
+sbstjn/timesheet.js	3005
+github/gitignore	2926
+torvalds/linux	2907
+IonicaBizau/git-stats	2896
+googlesamples/android-UniversalMusicPlayer	2838
+nwjs/nw.js	2829
+primer/primer	2816
+lukehoban/es6features	2810
+FortAwesome/Font-Awesome	2798
+driftyco/ionic	2783
+
diff --git a/regression-test/data/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.out b/regression-test/data/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.out
new file mode 100644
index 0000000000..03d42c917e
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.out
@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whatIsTheBestDayOfTheWeekToCatchAStar --
+1	413283
+2	595194
+3	656708
+4	618366
+5	606669
+6	606171
+7	454694
+
diff --git a/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars1.out b/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars1.out
new file mode 100644
index 0000000000..e34c40c6ca
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars1.out
@@ -0,0 +1,53 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whoAreAllThosePeopleGivingStars1 --
+mcanthony	6085
+pkt	3437
+kojiwakayama	3388
+maoabc1818	2392
+trnsz	2227
+JT5D	2020
+jiangplus	2008
+tejasmanohar	1946
+xavierdutreilh	1878
+fountainhead	1861
+ARoiD	1610
+nikolay	1401
+Jerzerak	1358
+scratcher28	1349
+xu6148152	1339
+ArtemKulyabin	1240
+yoshuawuyts	1195
+timelyportfolio	1193
+frozzare	1170
+mkhoeini	1106
+kgryte	1098
+nazeeruddinikram	1065
+AUS3RIS	1058
+Doppp	1028
+adolphenom	1009
+marceloboeira	990
+denji	953
+sescobb27	953
+Kaom	950
+se77en	941
+hbm1985	909
+pillowsoft	898
+gkze	891
+kwcto	890
+shunwang	872
+wrjqss	872
+trietptm	864
+hanton	860
+cwonrails	845
+SuriyaaKudoIsc	833
+0x73	820
+gashouse	815
+swhgoon	810
+RincLiu	791
+TetragrammatonHermit	791
+eerie	789
+edersohe	786
+savage69kr	774
+pingjiang	763
+ibmendoza	761
+
diff --git a/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars2.out b/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars2.out
new file mode 100644
index 0000000000..6736766833
--- /dev/null
+++ b/regression-test/data/variant_p2/sql/whoAreAllThosePeopleGivingStars2.out
@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !whoAreAllThosePeopleGivingStars2 --
+cliffordfajardo	98
+
diff --git a/regression-test/suites/nereids_syntax_p0/explain.groovy b/regression-test/suites/nereids_syntax_p0/explain.groovy
index d5621531c0..f0554473ec 100644
--- a/regression-test/suites/nereids_syntax_p0/explain.groovy
+++ b/regression-test/suites/nereids_syntax_p0/explain.groovy
@@ -63,7 +63,7 @@ suite("nereids_explain") {
             when 1>1 then cast(1 as float)
             else 0.0 end;
             """
-        contains "SlotDescriptor{id=0, col=null, colUniqueId=null, type=DOUBLE, nullable=false, isAutoIncrement=false}"
+        contains "SlotDescriptor{id=0, col=null, colUniqueId=null, type=DOUBLE, nullable=false, isAutoIncrement=false, subColPath=null}"
     }
 
     def explainStr = sql("select sum(if(lo_tax=1,lo_tax,0)) from lineorder where false").toString()
diff --git a/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs1.sql b/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs1.sql
new file mode 100644
index 0000000000..0f89de3394
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs1.sql
@@ -0,0 +1,14 @@
+SELECT
+    cast(v:repo.name as string),
+    count() AS prs,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE (cast(v:type as string) = 'PullRequestEvent') AND (cast(v:payload.action as string) = 'opened') AND (cast(v:actor.login as string) IN
+(
+    SELECT cast(v:actor.login as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'PullRequestEvent') AND (cast(v:payload.action as string)= 'opened') AND (cast(v:repo.name as string) IN ('rspec/rspec-core', 'golden-warning/giraffedraft-server', 'apache/spark'))
+)) AND (lower(cast(v:repo.name as string)) NOT LIKE '%clickhouse%')
+GROUP BY cast(v:repo.name as string)
+ORDER BY authors DESC, prs DESC, cast(v:repo.name as string) DESC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs2.sql b/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs2.sql
new file mode 100644
index 0000000000..913953c271
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/affinityByIssuesAndPRs2.sql
@@ -0,0 +1,14 @@
+SELECT
+    cast(v:repo.name as string),
+    count() AS prs,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') AND (cast(v:actor.login as string) IN
+(
+    SELECT cast(v:actor.login as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') AND (cast(v:repo.name as string) IN ('No-CQRT/GooGuns', 'ivolunteerph/ivolunteerph', 'Tribler/tribler'))
+)) AND (lower(cast(v:repo.name as string)) NOT LIKE '%clickhouse%')
+GROUP BY cast(v:repo.name as string)
+ORDER BY authors DESC, prs DESC, cast(v:repo.name as string) ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/authorsWithTheMostPushes.sql b/regression-test/suites/variant_github_events_p0/authorsWithTheMostPushes.sql
new file mode 100644
index 0000000000..006a9ae9d3
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/authorsWithTheMostPushes.sql
@@ -0,0 +1,9 @@
+SELECT
+      cast(v:actor.login as string),
+      count() AS c,
+      count(distinct cast(v:repo.name as string)) AS repos
+  FROM github_events
+  WHERE cast(v:type as string) = 'PushEvent'
+  GROUP BY cast(v:actor.login as string)
+  ORDER BY c DESC, 1, 3
+  LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/countingStar1.sql b/regression-test/suites/variant_github_events_p0/countingStar1.sql
new file mode 100644
index 0000000000..db71c34c4e
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/countingStar1.sql
@@ -0,0 +1 @@
+SELECT count() FROM github_events WHERE cast(v:type as string) = 'WatchEvent'
diff --git a/regression-test/suites/variant_github_events_p0/countingStar2.sql b/regression-test/suites/variant_github_events_p0/countingStar2.sql
new file mode 100644
index 0000000000..892efa7d72
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/countingStar2.sql
@@ -0,0 +1 @@
+SELECT cast(v:payload.action as string), count() FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:payload.action as string) 
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/countingStar3.sql b/regression-test/suites/variant_github_events_p0/countingStar3.sql
new file mode 100644
index 0000000000..9370e01530
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/countingStar3.sql
@@ -0,0 +1 @@
+SELECT count() FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND cast(v:repo.name as string) IN ('apache/spark', 'GunZi200/Memory-Colour', 'isohuntto/openbay', 'wasabeef/awesome-android-ui') GROUP BY cast(v:payload.action as string)  
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/distributionOfRepositoriesByStarCount.sql b/regression-test/suites/variant_github_events_p0/distributionOfRepositoriesByStarCount.sql
new file mode 100644
index 0000000000..1e252ef4a7
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/distributionOfRepositoriesByStarCount.sql
@@ -0,0 +1,14 @@
+SELECT
+    pow(10, floor(log10(c))) AS stars,
+    count(distinct k)
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as k,
+        count() AS c
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+    GROUP BY cast(v:repo.name as string)
+) t
+GROUP BY stars
+ORDER BY stars ASC
diff --git a/regression-test/suites/variant_github_events_p0/githubRoulette.sql b/regression-test/suites/variant_github_events_p0/githubRoulette.sql
new file mode 100644
index 0000000000..cda527b69f
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/githubRoulette.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string) FROM github_events WHERE cast(v:type as string) = 'WatchEvent' ORDER BY cast(v:created_at as datetime),  cast(v:repo.name as string) LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
new file mode 100644
index 0000000000..14b2ec2b78
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
new file mode 100644
index 0000000000..14b2ec2b78
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
new file mode 100644
index 0000000000..19c4bb0358
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars, cast(v:repo.name as string) DESC LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
new file mode 100644
index 0000000000..14b2ec2b78
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
new file mode 100644
index 0000000000..14b2ec2b78
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
new file mode 100644
index 0000000000..14b2ec2b78
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND year(cast(v:created_at as datetime)) = '2015' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
new file mode 100644
index 0000000000..5e4efa99ad
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
@@ -0,0 +1,30 @@
+-- FIXME: UNSTABLE
+-- SELECT
+--     repo,
+--     year,
+--     cnt
+-- FROM
+-- (
+--     SELECT
+--         row_number() OVER (PARTITION BY year ORDER BY cnt DESC) AS r,
+--         repo,
+--         year,
+--         cnt
+--     FROM
+--     (
+--         SELECT
+--         lower(cast(v:repo.name as string)) AS repo,
+--         year(cast(v:created_at as datetime)) AS year,
+--         count() AS cnt
+--         FROM github_events
+--         WHERE (cast(v:type as string) = 'WatchEvent') AND (year(cast(v:created_at as datetime)) >= 2015)
+--         GROUP BY
+--             repo,
+--             year
+--     ) t
+-- ) t2
+-- WHERE r <= 10
+-- ORDER BY
+--     year ASC,
+--     cnt DESC, repo
+-- 
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.sql b/regression-test/suites/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.sql
new file mode 100644
index 0000000000..97874a2d1e
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/howHasTheTotalNumberOfStarsChangedOverTime.sql
@@ -0,0 +1,2 @@
+SELECT year(cast(v:created_at as datetime)) AS year, count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY year ORDER BY year
+
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments1.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments1.sql
new file mode 100644
index 0000000000..9f4e7db0a1
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments1.sql
@@ -0,0 +1 @@
+SELECT count() FROM github_events WHERE cast(v:type as string) = 'IssueCommentEvent'
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments2.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments2.sql
new file mode 100644
index 0000000000..293b171c13
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments2.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() FROM github_events WHERE cast(v:type as string) = 'IssueCommentEvent' GROUP BY cast(v:repo.name as string) ORDER BY count() DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments3.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments3.sql
new file mode 100644
index 0000000000..cb1926ad20
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments3.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    comments,
+    issues,
+    round(comments / issues, 2) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        count() AS comments,
+        count(distinct cast(v:payload.issue.`number` as int)) AS issues
+    FROM github_events
+    WHERE cast(v:type as string) = 'IssueCommentEvent'
+    GROUP BY cast(v:repo.name as string)
+) t
+ORDER BY comments DESC, 1, 3, 4
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments4.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments4.sql
new file mode 100644
index 0000000000..c9914fb203
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments4.sql
@@ -0,0 +1,9 @@
+SELECT
+    cast(v:repo.name as string),
+    cast(v:payload.issue.`number` as int)  as number,
+    count() AS comments
+FROM github_events
+WHERE cast(v:type as string) = 'IssueCommentEvent' AND (cast(v:payload.action as string) = 'created')
+GROUP BY cast(v:repo.name as string), number 
+ORDER BY comments DESC, number ASC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments5.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments5.sql
new file mode 100644
index 0000000000..04a0f61fa0
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments5.sql
@@ -0,0 +1,9 @@
+SELECT
+    cast(v:repo.name as string),
+    cast(v:payload.issue.`number` as int)  as number,
+    count() AS comments
+FROM github_events
+WHERE cast(v:type as string) = 'IssueCommentEvent' AND (cast(v:payload.action as string) = 'created') AND (cast(v:payload.issue.`number` as int)  > 10)
+GROUP BY cast(v:repo.name as string), number
+ORDER BY comments DESC, cast(v:repo.name as string), number
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments6.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments6.sql
new file mode 100644
index 0000000000..155f6f695f
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments6.sql
@@ -0,0 +1,11 @@
+SELECT
+    cast(v:repo.name as string),
+    cast(v:payload.issue.`number` as int)  as number,
+    count() AS comments,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE cast(v:type as string) = 'IssueCommentEvent' AND (cast(v:payload.action as string) = 'created') AND (cast(v:payload.issue.`number` as int) > 10)
+GROUP BY cast(v:repo.name as string), number
+HAVING authors >= 4
+ORDER BY comments DESC, cast(v:repo.name as string)
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments7.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments7.sql
new file mode 100644
index 0000000000..07b91250aa
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments7.sql
@@ -0,0 +1,9 @@
+SELECT
+    cast(v:repo.name as string),
+    count() AS comments,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE cast(v:type as string) = 'CommitCommentEvent'
+GROUP BY cast(v:repo.name as string)
+ORDER BY count() DESC, 1, 3
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments8.sql b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments8.sql
new file mode 100644
index 0000000000..7a3696f803
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/issuesWithTheMostComments8.sql
@@ -0,0 +1,13 @@
+-- SELECT
+--     concat('https://github.com/', cast(v:repo.name as string), '/commit/', cast(v:payload.commit_id as string)) URL,
+--     cast(v:payload.commit_id as string) AS commit_id,
+--     count() AS comments,
+--     count(distinct cast(v:actor.login as string)) AS authors
+-- FROM github_events
+-- WHERE (cast(v:type as string) = 'CommitCommentEvent') AND commit_id != ""
+-- GROUP BY
+--     cast(v:repo.name as string),
+--     commit_id 
+-- HAVING authors >= 10
+-- ORDER BY count() DESC, URL, authors
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/load.groovy b/regression-test/suites/variant_github_events_p0/load.groovy
new file mode 100644
index 0000000000..5dec74a736
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/load.groovy
@@ -0,0 +1,73 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_github_events_p0", "variant_type"){
+    def load_json_data = {table_name, file_name ->
+        // load the json data
+        streamLoad {
+            table "${table_name}"
+
+            // set http request header params
+            set 'read_json_by_line', 'true' 
+            set 'format', 'json' 
+            set 'max_filter_ratio', '0.1'
+            file file_name // import json file
+            time 10000 // limit inflight 10s
+
+            // if declared a check callback, the default check condition will ignore.
+            // So you must check all condition
+
+            check { result, exception, startTime, endTime ->
+                if (exception != null) {
+                        throw exception
+                }
+                logger.info("Stream load ${file_name} result: ${result}".toString())
+                def json = parseJson(result)
+                assertEquals("success", json.Status.toLowerCase())
+                // assertEquals(json.NumberTotalRows, json.NumberLoadedRows + json.NumberUnselectedRows)
+                assertTrue(json.NumberLoadedRows > 0 && json.LoadBytes > 0)
+            }
+        }
+    }
+
+    def table_name = "github_events"
+    sql """DROP TABLE IF EXISTS ${table_name}"""
+    table_name = "github_events"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant,
+            INDEX idx_var(v) USING INVERTED PROPERTIES("parser" = "english") COMMENT ''
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 4 
+        properties("replication_num" = "1", "disable_auto_compaction" = "false");
+    """
+    // 2015
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2015-01-01-0.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2015-01-01-1.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2015-01-01-2.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2015-01-01-3.json'}""")
+    // 2022
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2022-11-07-16.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2022-11-07-10.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2022-11-07-22.json'}""")
+    load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2022-11-07-23.json'}""")
+    // TODO fix compaction issue, this case could be stable
+    qt_sql """select cast(v:payload.pull_request.additions as int)  from github_events where cast(v:repo.name as string) = 'xpressengine/xe-core' order by 1;"""
+    // TODO add test case that some certain columns are materialized in some file while others are not materilized(sparse)
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/mostForkedRepositories.sql b/regression-test/suites/variant_github_events_p0/mostForkedRepositories.sql
new file mode 100644
index 0000000000..85cf5ef0de
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/mostForkedRepositories.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS forks FROM github_events WHERE cast(v:type as string) = 'ForkEvent' GROUP BY cast(v:repo.name as string) ORDER BY forks DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/mostPopularCommentsOnGithub.sql b/regression-test/suites/variant_github_events_p0/mostPopularCommentsOnGithub.sql
new file mode 100644
index 0000000000..ff617de4a9
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/mostPopularCommentsOnGithub.sql
@@ -0,0 +1 @@
+SELECT cast(v:payload.comment.body as string), count() FROM github_events WHERE cast(v:payload.comment.body as string) != "" AND length(cast(v:payload.comment.body as string)) < 100 GROUP BY cast(v:payload.comment.body as string)  ORDER BY count(), 1 DESC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfRepositories.sql b/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfRepositories.sql
new file mode 100644
index 0000000000..b070f0714a
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfRepositories.sql
@@ -0,0 +1,14 @@
+SELECT
+    lower(split_part(repo_name, '/', 1)) AS org,
+    count(distinct repo_name) AS repos
+FROM
+(
+    SELECT cast(v:repo.name as string) as repo_name
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+    GROUP BY cast(v:repo.name as string)
+    HAVING count() >= 10
+) t
+GROUP BY org
+ORDER BY repos DESC, org ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfStars.sql b/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfStars.sql
new file mode 100644
index 0000000000..e842751ba1
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/organizationsByTheNumberOfStars.sql
@@ -0,0 +1,8 @@
+SELECT
+    lower(split_part(cast(v:repo.name as string), '/', 1)) AS org,
+    count() AS stars
+FROM github_events
+WHERE cast(v:type as string) = 'WatchEvent'
+GROUP BY org
+ORDER BY stars DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/organizationsByTheSizeOfCommunity.sql b/regression-test/suites/variant_github_events_p0/organizationsByTheSizeOfCommunity.sql
new file mode 100644
index 0000000000..8b3ae0baae
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/organizationsByTheSizeOfCommunity.sql
@@ -0,0 +1,23 @@
+-- SELECT
+--     lower(split_part(cast(v:repo.name as string), '/', 1)) AS org,
+--     count(distinct cast(v:actor.login as string)) AS authors,
+--     count(distinct pr_author) AS pr_authors,
+--     count(distinct issue_author) AS issue_authors,
+--     count(distinct comment_author) AS comment_authors,
+--     count(distinct review_author) AS review_authors,
+--     count(distinct push_author) AS push_authors
+-- FROM
+-- (
+-- SELECT
+--     cast(v:repo.name as string),
+--     cast(v:actor.login as string),
+--     CASE WHEN cast(v:type as string) = 'PullRequestEvent' THEN cast(v:actor.login as string) ELSE NULL END pr_author,
+--     CASE WHEN cast(v:type as string) = 'IssuesEvent' THEN cast(v:actor.login as string) ELSE NULL END issue_author,
+--     CASE WHEN cast(v:type as string) = 'IssueCommentEvent' THEN cast(v:actor.login as string) ELSE NULL END comment_author,
+--     CASE WHEN cast(v:type as string) = 'PullRequestReviewCommentEvent' THEN cast(v:actor.login as string) ELSE NULL END review_author,
+--     CASE WHEN cast(v:type as string) = 'PushEvent' THEN cast(v:actor.login as string) ELSE NULL END push_author
+-- FROM github_events
+-- WHERE cast(v:type as string) IN ('PullRequestEvent', 'IssuesEvent', 'IssueCommentEvent', 'PullRequestReviewCommentEvent', 'PushEvent')
+-- ) t
+-- GROUP BY org
+-- ORDER BY authors DESC
diff --git a/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks1.sql b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks1.sql
new file mode 100644
index 0000000000..b62668b9fa
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks1.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    round(sum(star) / sum(fork), 3) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE cast(v:type as string) IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY forks DESC, 1, 3, 4
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks2.sql b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks2.sql
new file mode 100644
index 0000000000..fe286c489c
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks2.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    round(sum(star) / sum(fork), 3) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE cast(v:type as string) IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY  repo_name 
+HAVING (stars > 20) AND (forks >= 10)
+ORDER BY ratio DESC, repo_name 
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks3.sql b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks3.sql
new file mode 100644
index 0000000000..c8502f59f4
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks3.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    round(sum(fork) / sum(star), 2) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE cast(v:type as string) IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING (stars > 4) AND (forks > 4)
+ORDER BY ratio DESC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks4.sql b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks4.sql
new file mode 100644
index 0000000000..f1c405efcd
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks4.sql
@@ -0,0 +1,13 @@
+SELECT
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    round(sum(star) / sum(fork), 2) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string),
+        CASE WHEN cast(v:type as string) = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE cast(v:type as string) IN ('ForkEvent', 'WatchEvent')
+) t
diff --git a/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks5.sql b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks5.sql
new file mode 100644
index 0000000000..22606e7eef
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/proportionsBetweenStarsAndForks5.sql
@@ -0,0 +1,21 @@
+SELECT
+    sum(forks) AS forks,
+    sum(stars) AS stars,
+    round(sum(stars) / sum(forks), 2) AS ratio
+FROM
+(
+    SELECT
+        sum(fork) AS forks,
+        sum(star) AS stars
+    FROM
+    (
+        SELECT
+            cast(v:repo.name as string) as repo_name,
+            CASE WHEN cast(v:type as string) = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+            CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+        FROM github_events
+        WHERE cast(v:type as string) IN ('ForkEvent', 'WatchEvent')
+    ) t
+    GROUP BY repo_name
+    HAVING stars > 10
+) t2
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesByAmountOfModifiedCode.sql b/regression-test/suites/variant_github_events_p0/repositoriesByAmountOfModifiedCode.sql
new file mode 100644
index 0000000000..f27a32bbff
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesByAmountOfModifiedCode.sql
@@ -0,0 +1,12 @@
+SELECT
+    cast(v:repo.name as string) as repo_name,
+    count() AS prs,
+    count(distinct cast(v:actor.login as string)) AS authors,
+    sum(cast(v:payload.pull_request.additions as int)) AS adds,
+    sum(cast(v:payload.pull_request.deletions as int)) AS dels
+FROM github_events
+WHERE (cast(v:type as string) = 'PullRequestEvent') AND (cast(v:payload.action as string) = 'opened') AND (cast(v:payload.pull_request.additions as int) < 10000) AND (cast(v:payload.pull_request.deletions as int) < 10000)
+GROUP BY repo_name
+HAVING (adds / dels) < 10
+ORDER BY adds + dels DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesByTheNumberOfPushes.sql b/regression-test/suites/variant_github_events_p0/repositoriesByTheNumberOfPushes.sql
new file mode 100644
index 0000000000..7eb47a6594
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesByTheNumberOfPushes.sql
@@ -0,0 +1,17 @@
+SELECT
+    cast(v:repo.name as string),
+    count() AS pushes,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE (cast(v:type as string) = 'PushEvent') AND (cast(v:repo.name as string) IN
+(
+    SELECT cast(v:repo.name as string)
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+    GROUP BY cast(v:repo.name as string)
+    ORDER BY count() DESC
+    LIMIT 10000
+))
+GROUP BY cast(v:repo.name as string)
+ORDER BY count() DESC, cast(v:repo.name as string)
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.sql
new file mode 100644
index 0000000000..af1faa7258
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments1.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() FROM github_events WHERE lower(cast(v:payload.comment.body as string)) LIKE '%apache%' GROUP BY cast(v:repo.name as string) ORDER BY count() DESC, cast(v:repo.name as string) ASC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.sql
new file mode 100644
index 0000000000..af974bcf66
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithClickhouse_related_comments2.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(num_star) AS num_stars,
+    sum(num_comment) AS num_comments
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS num_star,
+        CASE WHEN lower(cast(v:payload.comment.body as string)) LIKE '%apache%' THEN 1 ELSE 0 END AS num_comment
+    FROM github_events
+    WHERE (lower(cast(v:payload.comment.body as string)) LIKE '%apache%') OR (cast(v:type as string) = 'WatchEvent')
+) t
+GROUP BY repo_name 
+HAVING num_comments > 0
+ORDER BY num_stars DESC,num_comments DESC, repo_name ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments1.sql
new file mode 100644
index 0000000000..7c3aa1931a
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments1.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() FROM github_events WHERE lower(cast(v:payload.comment.body as string)) LIKE '%spark%' GROUP BY cast(v:repo.name as string) ORDER BY count() DESC, cast(v:repo.name as string) ASC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments2.sql
new file mode 100644
index 0000000000..76da89584b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithDoris_related_comments2.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(num_star) AS num_stars,
+    sum(num_comment) AS num_comments
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS num_star,
+        CASE WHEN lower(cast(v:payload.comment.body as string)) LIKE '%spark%' THEN 1 ELSE 0 END AS num_comment
+    FROM github_events
+    WHERE (lower(cast(v:payload.comment.body as string)) LIKE '%spark%') OR (cast(v:type as string) = 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING num_comments > 0
+ORDER BY num_stars DESC,num_comments DESC,repo_name ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.sql
new file mode 100644
index 0000000000..e8ba7153a7
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheHighestGrowthYoY.sql
@@ -0,0 +1,20 @@
+SELECT
+    repo_name,
+    sum(created_at_2022) AS stars2022,
+    sum(created_at_2015) AS stars2015,
+    round(sum(created_at_2022) / sum(created_at_2015), 3) AS yoy,
+    min(created_at) AS first_seen
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE year(cast(v:created_at as datetime)) WHEN 2022 THEN 1 ELSE 0 END AS created_at_2022,
+        CASE year(cast(v:created_at as datetime)) WHEN 2015 THEN 1 ELSE 0 END AS created_at_2015,
+        cast(v:created_at as datetime) as created_at
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+) t
+GROUP BY  repo_name 
+HAVING (min(created_at) <= '2023-01-01 00:00:00') AND (stars2022 >= 1) and (stars2015 >= 1)
+ORDER BY yoy DESC, repo_name 
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.sql
new file mode 100644
index 0000000000..c308adf423
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues1.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS c, count(distinct cast(v:actor.login as string)) AS u FROM github_events WHERE cast(v:type as string) = 'IssuesEvent' AND cast(v:payload.action as string) = 'opened' GROUP BY cast(v:repo.name as string) ORDER BY c DESC, cast(v:repo.name as string) LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.sql
new file mode 100644
index 0000000000..fb977cb817
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues2.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN cast(v:actor.login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE cast(v:type as string) IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY c DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.sql
new file mode 100644
index 0000000000..370cd1ba45
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues3.sql
@@ -0,0 +1,19 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN cast(v:actor.login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE cast(v:type as string) IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING stars >= 10
+ORDER BY c, u, stars DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.sql
new file mode 100644
index 0000000000..88d7dca5c3
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfIssues4.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (cast(v:type as string) = 'IssuesEvent') AND (cast(v:payload.action as string) = 'opened') THEN cast(v:actor.login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE cast(v:type as string) IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY u, c, stars DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.sql
new file mode 100644
index 0000000000..dab00b8130
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests1.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string) as repo_name, count(), count(distinct cast(v:actor.login as string)) FROM github_events WHERE cast(v:type as string) = 'PullRequestEvent' AND cast(v:payload.action as string) = 'opened' GROUP BY cast(v:repo.name as string) ORDER BY 2,1,3 DESC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.sql
new file mode 100644
index 0000000000..741607d4df
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumAmountOfPullRequests2.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count(), count(distinct cast(v:actor.login as string)) AS u FROM github_events WHERE cast(v:type as string) = 'PullRequestEvent' AND cast(v:payload.action as string) = 'opened' GROUP BY cast(v:repo.name as string) ORDER BY u DESC, 2 DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
new file mode 100644
index 0000000000..404b2cf765
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(invitation) AS invitations,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE WHEN cast(v:type as string) = 'MemberEvent' THEN 1 ELSE 0 END AS invitation,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE cast(v:type as string) IN ('MemberEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING stars >= 2
+ORDER BY invitations DESC, stars DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
new file mode 100644
index 0000000000..d94bcb149b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
@@ -0,0 +1,13 @@
+SELECT
+    repo_name,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        lower(cast(v:repo.name as string)) as repo_name,
+        CASE WHEN cast(v:type as string) = 'PushEvent' THEN cast(v:actor.login as string) ELSE NULL END AS actor_login,
+        CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events WHERE cast(v:type as string) IN ('PushEvent', 'WatchEvent') AND cast(v:repo.name as string) != '/'
+) t
+GROUP BY repo_name ORDER BY u, stars, repo_name DESC LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
new file mode 100644
index 0000000000..88a92a06b6
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
@@ -0,0 +1,13 @@
+-- SELECT
+--     cast(v:repo.name as string),
+--     count(distinct cast(v:actor.login as string)) AS u,
+--     sum(star) AS stars
+-- FROM
+-- (
+--     SELECT
+--         cast(v:repo.name as string),
+--         CASE WHEN cast(v:type as string) = 'PushEvent' AND (ref LIKE '%/master' OR ref LIKE '%/main') THEN cast(v:actor.login as string) ELSE NULL END AS cast(v:actor.login as string),
+--         CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+--     FROM github_events WHERE cast(v:type as string) IN ('PushEvent', 'WatchEvent') AND cast(v:repo.name as string) != '/'
+-- ) t
+-- GROUP BY cast(v:repo.name as string) ORDER BY u DESC LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
new file mode 100644
index 0000000000..28498c7a3e
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
@@ -0,0 +1,16 @@
+-- SELECT
+--     cast(v:repo.name as string),
+--     count(distinct cast(v:actor.login as string)) AS u,
+--     sum(star) AS stars
+-- FROM
+-- (
+--     SELECT
+--         cast(v:repo.name as string),
+--         CASE WHEN cast(v:type as string) = 'PushEvent' AND (ref LIKE '%/master' OR ref LIKE '%/main') THEN cast(v:actor.login as string) ELSE NULL END AS cast(v:actor.login as string),
+--         CASE WHEN cast(v:type as string) = 'WatchEvent' THEN 1 ELSE 0 END AS star
+--     FROM github_events WHERE cast(v:type as string) IN ('PushEvent', 'WatchEvent') AND cast(v:repo.name as string) != '/'
+-- ) t
+-- GROUP BY cast(v:repo.name as string)
+-- HAVING stars >= 100
+-- ORDER BY u DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.sql
new file mode 100644
index 0000000000..c7b81b2408
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay1.sql
@@ -0,0 +1,25 @@
+SELECT
+    repo_name,
+    day,
+    stars
+FROM
+(
+    SELECT
+        row_number() OVER (PARTITION BY repo_name  ORDER BY stars DESC) AS rank,
+        repo_name,
+        day,
+        stars
+    FROM
+    (
+        SELECT
+            cast(v:repo.name as string) as repo_name,
+            to_date(cast(v:created_at as datetime)) AS day,
+            count() AS stars
+        FROM github_events
+        WHERE cast(v:type as string) = 'WatchEvent'
+        GROUP BY cast(v:repo.name as string), day
+    ) t1
+) t2
+WHERE rank = 1
+ORDER BY stars DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay2.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay2.sql
new file mode 100644
index 0000000000..9f07d2270d
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay2.sql
@@ -0,0 +1,25 @@
+-- SELECT
+--     cast(v:repo.name as string),
+--     day,
+--     stars
+-- FROM
+-- (
+--     SELECT
+--         row_number() OVER (PARTITION BY cast(v:repo.name as string) ORDER BY stars DESC) AS rank,
+--         cast(v:repo.name as string),
+--         day,
+--         stars
+--     FROM
+--     (
+--         SELECT
+--             cast(v:repo.name as string),
+--             to_date(cast(v:created_at as datetime)) AS day,
+--             count() AS stars
+--         FROM github_events
+--         WHERE cast(v:type as string) = 'WatchEvent'
+--         GROUP BY cast(v:repo.name as string), day
+--     ) t1
+-- ) t2
+-- WHERE rank = 1
+-- ORDER BY stars DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay3.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay3.sql
new file mode 100644
index 0000000000..c0ac82e915
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostStarsOverOneDay3.sql
@@ -0,0 +1 @@
+-- SELECT cast(v:repo.name as string), cast(v:created_at as datetime), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:repo.name as string), cast(v:created_at as datetime) ORDER BY count() DESC LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.sql
new file mode 100644
index 0000000000..5c7d2d7c7b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheMostSteadyGrowthOverTime.sql
@@ -0,0 +1,20 @@
+SELECT
+    repo_name,
+    max(stars) AS daily_stars,
+    sum(stars) AS total_stars,
+    sum(stars) / max(stars) AS rate
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        to_date(cast(v:created_at as datetime)) AS day,
+        count() AS stars
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+    GROUP BY
+        repo_name,
+        day
+) t
+GROUP BY repo_name
+ORDER BY rate DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.sql b/regression-test/suites/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.sql
new file mode 100644
index 0000000000..2265f4b5e4
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoriesWithTheWorstStagnation_order.sql
@@ -0,0 +1,20 @@
+SELECT
+    repo_name,
+    sum(created_at_2022) AS stars2022,
+    sum(created_at_2015) AS stars2015,
+    round(sum(created_at_2022) / sum(created_at_2015), 3) AS yoy,
+    min(created_at) AS first_seen
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        CASE year(cast(v:created_at as datetime)) WHEN 2022 THEN 1 ELSE 0 END AS created_at_2022,
+        CASE year(cast(v:created_at as datetime)) WHEN 2015 THEN 1 ELSE 0 END AS created_at_2015,
+        cast(v:created_at as datetime) as created_at
+    FROM github_events
+    WHERE cast(v:type as string) = 'WatchEvent'
+) t
+GROUP BY repo_name
+HAVING (min(created_at) <= '2019-01-01 00:00:00') AND (max(created_at) >= '2020-06-01 00:00:00') AND (stars2015 >= 2)
+ORDER BY yoy, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoryAffinityList1.sql b/regression-test/suites/variant_github_events_p0/repositoryAffinityList1.sql
new file mode 100644
index 0000000000..99b9f28a2b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoryAffinityList1.sql
@@ -0,0 +1,13 @@
+SELECT
+  cast(v:repo.name as string) as repo_name,
+  count() AS stars
+FROM github_events
+WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:actor.login as string) IN
+(
+    SELECT cast(v:actor.login as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:repo.name as string) IN ('apache/spark', 'prakhar1989/awesome-courses'))
+)) AND (cast(v:repo.name as string) NOT IN ('ClickHouse/ClickHouse', 'yandex/ClickHouse'))
+GROUP BY repo_name
+ORDER BY stars DESC, repo_name 
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/repositoryAffinityList2.sql b/regression-test/suites/variant_github_events_p0/repositoryAffinityList2.sql
new file mode 100644
index 0000000000..4c7f36b518
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/repositoryAffinityList2.sql
@@ -0,0 +1,23 @@
+SELECT
+  repo_name,
+  total_stars,
+  round(spark_stars / total_stars, 2) AS ratio
+FROM
+(
+    SELECT
+        cast(v:repo.name as string) as repo_name,
+        count(distinct cast(v:actor.login as string)) AS total_stars
+    FROM github_events
+    WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:repo.name as string) NOT IN ('apache/spark'))
+    GROUP BY repo_name
+    HAVING total_stars >= 10
+) t1
+JOIN
+(
+    SELECT
+        count(distinct cast(v:actor.login as string)) AS spark_stars
+    FROM github_events
+    WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:repo.name as string) IN ('apache/spark'))
+) t2
+ORDER BY ratio DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers1.sql b/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers1.sql
new file mode 100644
index 0000000000..01dfd4f0e8
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers1.sql
@@ -0,0 +1,13 @@
+SELECT
+    cast(v:repo.name as string),
+    count()
+FROM github_events
+WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:actor.login as string) IN
+(
+    SELECT cast(v:actor.login as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'PullRequestEvent') AND (cast(v:payload.action as string) = 'opened')
+))
+GROUP BY cast(v:repo.name as string)
+ORDER BY count() DESC, cast(v:repo.name as string)
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers2.sql b/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers2.sql
new file mode 100644
index 0000000000..500ae5b9a0
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/starsFromHeavyGithubUsers2.sql
@@ -0,0 +1,15 @@
+SELECT
+    cast(v:repo.name as string),
+    count()
+FROM github_events
+WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:actor.login as string) IN
+(
+    SELECT cast(v:actor.login as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'PullRequestEvent') AND (cast(v:payload.action as string) = 'opened')
+    GROUP BY cast(v:actor.login as string)
+    HAVING count() >= 2
+))
+GROUP BY cast(v:repo.name as string)
+ORDER BY 1, count() DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames1.sql b/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames1.sql
new file mode 100644
index 0000000000..0603fec97b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames1.sql
@@ -0,0 +1 @@
+SELECT count(), cast(v:repo.name as string) FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:repo.name as string) ORDER BY length(cast(v:repo.name as string)) DESC, cast(v:repo.name as string) LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames2.sql b/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames2.sql
new file mode 100644
index 0000000000..244f58e3ff
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theLongestRepositoryNames2.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND cast(v:repo.name as string) LIKE '%_/_%' GROUP BY cast(v:repo.name as string) ORDER BY length(cast(v:repo.name as string)) ASC, cast(v:repo.name as string) LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/theMostToughCodeReviews.sql b/regression-test/suites/variant_github_events_p0/theMostToughCodeReviews.sql
new file mode 100644
index 0000000000..46a896f795
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theMostToughCodeReviews.sql
@@ -0,0 +1,10 @@
+SELECT
+    concat('https://github.com/', cast(v:repo.name as string), '/pull/') AS URL,
+    count(distinct cast(v:actor.login as string)) AS authors
+FROM github_events
+WHERE (cast(v:type as string) = 'PullRequestReviewCommentEvent') AND (cast(v:payload.action as string) = 'created')
+GROUP BY
+    cast(v:repo.name as string),
+    cast(v:payload.issue.`number` as string) 
+ORDER BY authors DESC, URL ASC
+LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.sql b/regression-test/suites/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.sql
new file mode 100644
index 0000000000..1d29c3eeb4
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theTotalNumberOfRepositoriesOnGithub.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(v:repo.name as string)) FROM github_events
diff --git a/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.sql b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.sql
new file mode 100644
index 0000000000..044aa0470b
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub1.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(v:actor.login as string)) FROM github_events
diff --git a/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.sql b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.sql
new file mode 100644
index 0000000000..12776f1bb2
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub2.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(v:actor.login as string)) FROM github_events WHERE cast(v:type as string) = 'WatchEvent'
diff --git a/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.sql b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.sql
new file mode 100644
index 0000000000..8454603277
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub3.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(v:actor.login as string)) FROM github_events WHERE cast(v:type as string) = 'PushEvent'
diff --git a/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.sql b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.sql
new file mode 100644
index 0000000000..384b232f4f
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/theTotalNumberOfUsersOnGithub4.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(v:actor.login as string)) FROM github_events WHERE cast(v:type as string) = 'PullRequestEvent' AND cast(v:payload.action as string) = 'opened'
diff --git a/regression-test/suites/variant_github_events_p0/topLabels1.sql b/regression-test/suites/variant_github_events_p0/topLabels1.sql
new file mode 100644
index 0000000000..152ec3ba3a
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/topLabels1.sql
@@ -0,0 +1,9 @@
+-- SELECT
+--     label,
+--     count() AS c
+-- FROM github_events
+-- LATERAL VIEW explode_split(labels, ',') t AS label
+-- WHERE (cast(v:type as string) IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (action IN ('created', 'opened', 'labeled'))
+-- GROUP BY label
+-- ORDER BY c DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/topLabels2.sql b/regression-test/suites/variant_github_events_p0/topLabels2.sql
new file mode 100644
index 0000000000..bf404d4da5
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/topLabels2.sql
@@ -0,0 +1,9 @@
+-- SELECT
+--     label,
+--     count() AS c
+-- FROM github_events
+-- LATERAL VIEW explode_split(labels, ',') t AS label
+-- WHERE (cast(v:type as string) IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (action IN ('created', 'opened', 'labeled')) AND ((lower(label) LIKE '%bug%') OR (lower(label) LIKE '%feature%'))
+-- GROUP BY label
+-- ORDER BY c DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/topLabels3.sql b/regression-test/suites/variant_github_events_p0/topLabels3.sql
new file mode 100644
index 0000000000..49e6086166
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/topLabels3.sql
@@ -0,0 +1,14 @@
+-- SELECT
+--     sum(bug) AS bugs,
+--     sum(feature) AS feature,
+--     sum(bug) / sum(feature) AS ratio
+-- FROM
+-- (
+--     SELECT
+--         CASE WHEN lower(label) LIKE '%bug%' THEN 1 ELSE 0 END AS bug,
+--         CASE WHEN lower(label) LIKE '%feature%' THEN 1 ELSE 0 END AS feature
+--     FROM github_events
+--     LATERAL VIEW explode_split(labels, ',') t AS label
+--     WHERE (cast(v:type as string) IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (action IN ('created', 'opened', 'labeled')) AND ((lower(label) LIKE '%bug%') OR (lower(label) LIKE '%feature%'))
+-- ) t
+-- LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/topRepositoriesByStars.sql b/regression-test/suites/variant_github_events_p0/topRepositoriesByStars.sql
new file mode 100644
index 0000000000..3dfd35d9d6
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/topRepositoriesByStars.sql
@@ -0,0 +1 @@
+SELECT cast(v:repo.name as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:repo.name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.sql b/regression-test/suites/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.sql
new file mode 100644
index 0000000000..0c930308cf
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/whatIsTheBestDayOfTheWeekToCatchAStar.sql
@@ -0,0 +1 @@
+SELECT dayofweek(cast(v:created_at as datetime)) AS day, count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY day ORDER BY day
diff --git a/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.sql b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.sql
new file mode 100644
index 0000000000..63a4dfd15f
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars1.sql
@@ -0,0 +1 @@
+SELECT cast(v:actor.login as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:actor.login as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.sql b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.sql
new file mode 100644
index 0000000000..0aa67b56d2
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars2.sql
@@ -0,0 +1 @@
+SELECT cast(v:actor.login as string), count() AS stars FROM github_events WHERE cast(v:type as string) = 'WatchEvent' AND cast(v:actor.login as string) = 'cliffordfajardo' GROUP BY cast(v:actor.login as string) ORDER BY stars DESC LIMIT 50
diff --git a/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.sql b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.sql
new file mode 100644
index 0000000000..a1e9dab32e
--- /dev/null
+++ b/regression-test/suites/variant_github_events_p0/whoAreAllThosePeopleGivingStars3.sql
@@ -0,0 +1,13 @@
+SELECT
+    cast(v:repo.name as string),
+    count() AS stars
+FROM github_events
+WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:repo.name as string) IN
+(
+    SELECT cast(v:repo.name as string)
+    FROM github_events
+    WHERE (cast(v:type as string) = 'WatchEvent') AND (cast(v:actor.login as string) = 'cliffordfajardo')
+))
+GROUP BY cast(v:repo.name as string)
+ORDER BY stars DESC, cast(v:repo.name as string)
+LIMIT 50
diff --git a/regression-test/suites/variant_p0/column_name.groovy b/regression-test/suites/variant_p0/column_name.groovy
new file mode 100644
index 0000000000..ae409409f5
--- /dev/null
+++ b/regression-test/suites/variant_p0/column_name.groovy
@@ -0,0 +1,46 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_column_name", "variant_type"){
+    def table_name = "var_column_name"
+    sql "DROP TABLE IF EXISTS ${table_name}"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 1 
+        properties("replication_num" = "1", "disable_auto_compaction" = "true");
+    """ 
+
+    sql """insert into ${table_name} values (1, '{"中文" : "中文", "\\\u4E2C\\\u6587": "unicode"}')"""
+    qt_sql """select v:中文, v:`\\\u4E2C\\\u6587` from ${table_name}"""
+    // sql """insert into ${table_name} values (2, '{}')"""
+    sql "truncate table ${table_name}"
+    sql """insert into ${table_name} values (3, '{"": ""}')"""
+    qt_sql """select v:`` from ${table_name} order by k"""
+    sql """insert into ${table_name} values (4, '{"!@#^&*()": "11111"}')"""
+    qt_sql """select v:`!@#^&*()` from ${table_name} order by k"""
+    sql """insert into ${table_name} values (5, '{"123": "456", "789": "012"}')"""
+    qt_sql """select cast(v:`123` as string) from ${table_name} order by k"""
+    // sql """insert into ${table_name} values (6, '{"\\n123": "t123", "\\\"123": "123"}')"""
+    // qt_sql """select v:`\\n` from ${table_name} order by k"""
+    sql """insert into ${table_name} values (7, '{"AA": "UPPER CASE", "aa": "lower case"}')"""
+    qt_sql """select cast(v:`AA` as string), cast(v:`aa` as string) from ${table_name} order by k"""
+    
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/complexjson.groovy b/regression-test/suites/variant_p0/complexjson.groovy
new file mode 100644
index 0000000000..244da16f00
--- /dev/null
+++ b/regression-test/suites/variant_p0/complexjson.groovy
@@ -0,0 +1,158 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_complexjson", "variant_type_complex_json") {
+    def create_table = { table_name ->
+        sql "DROP TABLE IF EXISTS ${table_name}"
+        sql """
+            CREATE TABLE IF NOT EXISTS ${table_name} (
+                k bigint,
+                v variant
+            )
+            DUPLICATE KEY(`k`)
+            DISTRIBUTED BY RANDOM BUCKETS 5 
+            properties("replication_num" = "1", "disable_auto_compaction" = "true");
+        """
+    }
+    table_name = "complexjson"
+    create_table table_name
+    sql """insert into ${table_name} values (1, '{
+    "id": 1,
+    "key_0":[
+        {
+            "key_1":[
+                {
+                    "key_3":[
+                        {"key_7":1025,"key_6":25.5,"key_4":1048576,"key_5":0.0001048576},
+                        {"key_7":2,"key_6":"","key_4":null}
+                    ]
+                }
+            ]
+        },
+        {
+            "key_1":[
+                {
+                    "key_3":[
+                        {"key_7":-922337203685477580.8,"key_6":"aqbjfiruu","key_5":-1},
+                        {"key_7":65537,"key_6":"","key_4":""}
+                    ]
+                },
+                {
+                    "key_3":[
+                        {"key_7":21474836.48,"key_4":"ghdqyeiom","key_5":1048575}
+                    ]
+                }
+            ]
+        }
+    ]
+    }')"""
+    // qt_sql """SELECT v:key_0.key_1.key_3.key_4, v:key_0.key_1.key_3.key_5, \
+    // v:key_0.key_1.key_3.key_6, v:key_0.key_1.key_3.key_7 FROM ${table_name} ORDER BY v:id"""
+    qt_sql """SELECT * from ${table_name} order by cast(v:id as int)"""
+
+    table_name = "complexjson2"
+    create_table table_name
+    sql """insert into ${table_name} values (1, '{
+    "id": 1,
+    "key_1":[
+        {
+            "key_2":[
+                {
+                    "key_3":[
+                        {"key_8":65537},
+                        {
+                            "key_4":[
+                                {"key_5":-0.02},
+                                {"key_7":1023},
+                                {"key_7":1,"key_6":9223372036854775807}
+                            ]
+                        },
+                        {
+                            "key_4":[{"key_7":65537,"key_6":null}]
+                        }
+                    ]
+                }
+            ]
+        }
+    ]
+    }')""" 
+    // qt_sql """SELECT \
+    // v:key_1.key_2.key_3.key_8, \
+    // v:key_1.key_2.key_3.key_4.key_5, \
+    // v:key_1.key_2.key_3.key_4.key_6, \
+    // v:key_1.key_2.key_3.key_4.key_7 \
+    // FROM  ${table_name} ORDER BY v:id"""
+    qt_sql """SELECT * from ${table_name} order by cast(v:id as int)"""
+
+    table_name = "complexjson3"
+    create_table table_name
+    sql """INSERT INTO ${table_name} VALUES (1, '{"key_10":65536,"key_11":"anve","key_0":{"key_1":{"key_2":1025,"key_3":1},"key_4":1,"key_5":256}}')"""
+    sql """INSERT INTO ${table_name} VALUES (2, '{"key_0":[{"key_12":"buwvq","key_11":0.0000000255}]}')"""
+    // qt_sql """SELECT k, v:key_10, v:key_11, v:key_0.key_1.key_2, v:key_0.key_1.key_3, v:key_0.key_4, v:key_0.key_5, v:key_0.key_12, v:key_0.key_11 FROM complexjson3 ORDER BY k;""" 
+    qt_sql """SELECT * from ${table_name} order by k"""
+
+    table_name = "complexjson4"
+    create_table table_name
+    sql """INSERT INTO ${table_name} VALUES (1, '{
+        "id": 1,
+        "key_0":[
+            {"key_1":{"key_2":[1, 2, 3],"key_8":"sffjx"},"key_10":65535,"key_0":-1},
+            {"key_10":10.23,"key_0":922337203.685}
+        ]
+    }')"""
+    // qt_sql """SELECT \
+    // v:key_0.key_1.key_2, \
+    // v:key_0.key_1.key_8, \
+    // v:key_0.key_10, \
+    // v:key_0.key_0 \
+    // FROM ${table_name} ORDER BY v:id"""
+    qt_sql """SELECT * from ${table_name} order by cast(v:id as int)"""
+
+    table_name = "complexjson5"
+    create_table table_name
+    sql """INSERT INTO ${table_name} VALUES (1, '{
+    "id": 1,
+    "key_0":[
+        {
+        "key_1":[
+            {
+            "key_2":
+                {
+                    "key_3":[
+                        {"key_4":255},
+                        {"key_4":65535},
+                        {"key_7":255,"key_6":3}
+                    ],
+                    "key_5":[
+                        {"key_7":"nnpqx","key_6":1},
+                        {"key_7":255,"key_6":3}
+                    ]
+                }
+            }
+        ]
+        }
+    ]
+    }')""" 
+    // qt_sql """SELECT \
+    // v:key_0.key_1.key_2.key_3.key_4,
+    // v:key_0.key_1.key_2.key_3.key_6,
+    // v:key_0.key_1.key_2.key_3.key_7,
+    // v:key_0.key_1.key_2.key_5.key_6, \
+    // v:key_0.key_1.key_2.key_5.key_7
+    // FROM ${table_name} ORDER BY v:id"""
+    qt_sql """SELECT * from ${table_name} order by cast(v:id as int)"""
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/delete_update.groovy b/regression-test/suites/variant_p0/delete_update.groovy
new file mode 100644
index 0000000000..71047fb751
--- /dev/null
+++ b/regression-test/suites/variant_p0/delete_update.groovy
@@ -0,0 +1,62 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_delete_and_update", "variant_type"){
+    // MOR
+    def table_name = "var_delete_update"
+    sql "DROP TABLE IF EXISTS ${table_name}"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant
+        )
+        UNIQUE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 3
+        properties("replication_num" = "1");
+    """
+
+    sql """insert into ${table_name} values (1, '{"a" : 1, "b" : [1], "c": 1.0}')"""
+    sql """insert into ${table_name} values (2, '{"a" : 2, "b" : [1], "c": 2.0}')"""
+    sql """insert into ${table_name} values (3, '{"a" : 3, "b" : [3], "c": 3.0}')"""
+    sql """insert into ${table_name} values (4, '{"a" : 4, "b" : [4], "c": 4.0}')"""
+    sql """insert into ${table_name} values (5, '{"a" : 5, "b" : [5], "c": 5.0}')"""
+
+    sql "delete from ${table_name} where k = 1"
+    sql """update ${table_name} set v = '{"updated_value" : 123}' where k = 2"""
+    qt_sql "select * from ${table_name} order by k"
+
+    // MOW
+    table_name = "var_delete_update_mow"
+    sql "DROP TABLE IF EXISTS ${table_name}"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant,
+            vs string 
+        )
+        UNIQUE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 3
+        properties("replication_num" = "1", "enable_unique_key_merge_on_write" = "true");
+    """
+    sql "insert into var_delete_update_mow select k, cast(v as string), cast(v as string) from var_delete_update"
+    sql "delete from ${table_name} where k = 1"
+    sql "delete from ${table_name} where k in (select k from var_delete_update_mow where k in (3, 4, 5))"
+    // FIXME
+    // sql """update ${table_name} set vs = '{"updated_value" : 123}' where k = 2"""
+    // sql """update ${table_name} set v = '{"updated_value" : 123}' where k = 2"""
+    qt_sql "select * from ${table_name} order by k"
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/insert_into_select.groovy b/regression-test/suites/variant_p0/insert_into_select.groovy
new file mode 100644
index 0000000000..ffd0c3af0e
--- /dev/null
+++ b/regression-test/suites/variant_p0/insert_into_select.groovy
@@ -0,0 +1,52 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_insert_into_select", "variant_type"){
+    def table_name = "insert_into_select"
+    sql "DROP TABLE IF EXISTS ${table_name}_var"
+    sql "DROP TABLE IF EXISTS ${table_name}_str"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name}_var (
+            k bigint,
+            v variant
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 3
+        properties("replication_num" = "1");
+    """
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name}_str (
+            k bigint,
+            v string 
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 3
+        properties("replication_num" = "1");
+    """
+
+    sql """insert into ${table_name}_var values (1, '{"a" : 1, "b" : [1], "c": 1.0}')"""
+    sql """insert into ${table_name}_var values (2, '{"a" : 2, "b" : [1], "c": 2.0}')"""
+    sql """insert into ${table_name}_var values (3, '{"a" : 3, "b" : [3], "c": 3.0}')"""
+    sql """insert into ${table_name}_var values (4, '{"a" : 4, "b" : [4], "c": 4.0}')"""
+    sql """insert into ${table_name}_var values (5, '{"a" : 5, "b" : [5], "c": 5.0}')"""
+
+    sql """insert into ${table_name}_str select * from ${table_name}_var"""
+    sql """insert into ${table_name}_var select * from ${table_name}_str"""
+    sql """insert into ${table_name}_var select * from ${table_name}_var"""
+    qt_sql "select v:a, v:b, v:c from  ${table_name}_var order by k"
+    qt_sql "select v from  ${table_name}_str order by k"
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/load.groovy b/regression-test/suites/variant_p0/load.groovy
new file mode 100644
index 0000000000..2310e7605f
--- /dev/null
+++ b/regression-test/suites/variant_p0/load.groovy
@@ -0,0 +1,403 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant", "variant_type"){
+
+    def load_json_data = {table_name, file_name ->
+        // load the json data
+        streamLoad {
+            table "${table_name}"
+
+            // set http request header params
+            set 'read_json_by_line', 'true' 
+            set 'format', 'json' 
+            set 'max_filter_ratio', '0.1'
+            file file_name // import json file
+            time 10000 // limit inflight 10s
+
+            // if declared a check callback, the default check condition will ignore.
+            // So you must check all condition
+
+            check { result, exception, startTime, endTime ->
+                if (exception != null) {
+                        throw exception
+                }
+                logger.info("Stream load ${file_name} result: ${result}".toString())
+                def json = parseJson(result)
+                assertEquals("success", json.Status.toLowerCase())
+                // assertEquals(json.NumberTotalRows, json.NumberLoadedRows + json.NumberUnselectedRows)
+                assertTrue(json.NumberLoadedRows > 0 && json.LoadBytes > 0)
+            }
+        }
+    }
+
+    def verify = { table_name ->
+        sql "sync"
+        qt_sql """select count() from ${table_name}"""
+    }
+
+    def create_table = { table_name, buckets="auto", key_type="DUPLICATE" ->
+        sql "DROP TABLE IF EXISTS ${table_name}"
+        sql """
+            CREATE TABLE IF NOT EXISTS ${table_name} (
+                k bigint,
+                v variant
+            )
+            ${key_type} KEY(`k`)
+            DISTRIBUTED BY HASH(k) BUCKETS ${buckets}
+            properties("replication_num" = "1", "disable_auto_compaction" = "false");
+        """
+    }
+
+    def set_be_config = { key, value ->
+        String backend_id;
+        def backendId_to_backendIP = [:]
+        def backendId_to_backendHttpPort = [:]
+        getBackendIpHttpPort(backendId_to_backendIP, backendId_to_backendHttpPort);
+
+        backend_id = backendId_to_backendIP.keySet()[0]
+        def (code, out, err) = update_be_config(backendId_to_backendIP.get(backend_id), backendId_to_backendHttpPort.get(backend_id), key, value)
+        logger.info("update config: code=" + code + ", out=" + out + ", err=" + err)
+    }
+
+    try {
+
+        def key_types = ["DUPLICATE", "UNIQUE"]
+        for (int i = 0; i < key_types.size(); i++) {
+            def table_name = "simple_variant_${key_types[i]}"
+            // 1. simple cases
+            create_table.call(table_name, "auto", key_types[i])
+            sql """insert into ${table_name} values (1,  '[1]'),(1,  '{"a" : 1}');"""
+            sql """insert into ${table_name} values (2,  '[2]'),(1,  '{"a" : [[[1]]]}');"""
+            sql """insert into ${table_name} values (3,  '3'),(1,  '{"a" : 1}'), (1,  '{"a" : [1]}');"""
+            sql """insert into ${table_name} values (4,  '"4"'),(1,  '{"a" : "1223"}');"""
+            sql """insert into ${table_name} values (5,  '5.0'),(1,  '{"a" : [1]}');"""
+            sql """insert into ${table_name} values (6,  '"[6]"'),(1,  '{"a" : ["1", 2, 1.1]}');"""
+            sql """insert into ${table_name} values (7,  '7'),(1,  '{"a" : 1, "b" : {"c" : 1}}');"""
+            sql """insert into ${table_name} values (8,  '8.11111'),(1,  '{"a" : 1, "b" : {"c" : [{"a" : 1}]}}');"""
+            sql """insert into ${table_name} values (9,  '"9999"'),(1,  '{"a" : 1, "b" : {"c" : [{"a" : 1}]}}');"""
+            sql """insert into ${table_name} values (10,  '1000000'),(1,  '{"a" : 1, "b" : {"c" : [{"a" : 1}]}}');"""
+            sql """insert into ${table_name} values (11,  '[123.0]'),(1999,  '{"a" : 1, "b" : {"c" : 1}}'),(19921,  '{"a" : 1, "b" : 10}');"""
+            sql """insert into ${table_name} values (12,  '[123.2]'),(1022,  '{"a" : 1, "b" : 10}'),(1029,  '{"a" : 1, "b" : {"c" : 1}}');"""
+            qt_sql "select k, cast(v:a as array<int>) from  ${table_name} where  size(cast(v:a as array<int>)) > 0 order by k, cast(v as string);"
+            // cast v:b as int should be correct
+            // FIXME: unstable, todo use qt_sql
+            sql "select k, v, cast(v:b as string) from  ${table_name} where  length(cast(v:b as string)) > 4 order  by k, cast(v as string)"
+            sql "select k, v from  ${table_name} order by k, cast(v as string) limit 5"
+            sql "select v:b, v:b.c, v from  ${table_name} order by k,cast(v as string) desc limit 10000;"
+            sql "select k, v, v:b.c, v:a from ${table_name} where k > 10 order by k desc limit 10000;"
+            sql "select v:b from ${table_name} where cast(v:b as int) > 0;"
+            sql "select cast(v:b as string) from ${table_name} order by k"
+            verify table_name 
+        }
+        // FIXME
+        sql "insert into simple_variant_DUPLICATE select k, cast(v as string) from simple_variant_UNIQUE;"
+        
+        // 2. type confilct cases
+        def table_name = "type_conflict_resolution"
+        create_table table_name
+        sql """insert into ${table_name} values (1, '{"c" : "123"}');"""
+        sql """insert into ${table_name} values (2, '{"c" : 123}');"""
+        sql """insert into ${table_name} values (3, '{"cc" : [123]}');"""
+        sql """insert into ${table_name} values (4, '{"cc" : [123.1]}');"""
+        sql """insert into ${table_name} values (5, '{"ccc" : 123}');"""
+        sql """insert into ${table_name} values (6, '{"ccc" : 123321}');"""
+        sql """insert into ${table_name} values (7, '{"cccc" : 123.0}');"""
+        sql """insert into ${table_name} values (8, '{"cccc" : 123.11}');"""
+        sql """insert into ${table_name} values (9, '{"ccccc" : [123]}');"""
+        sql """insert into ${table_name} values (10, '{"ccccc" : [123456789]}');"""
+        sql """insert into ${table_name} values (11, '{"b" : 1111111111111111}');"""
+        sql """insert into ${table_name} values (12, '{"b" : 1.222222}');"""
+        sql """insert into ${table_name} values (13, '{"bb" : 1}');"""
+        sql """insert into ${table_name} values (14, '{"bb" : 214748364711}');"""
+        sql """insert into ${table_name} values (15, '{"A" : 1}');"""
+        qt_sql """select v from type_conflict_resolution order by k;"""
+        verify table_name
+
+        // 3. simple variant sub column select
+        table_name = "simple_select_variant"
+        create_table table_name
+        sql """insert into ${table_name} values (1,  '{"A" : 123}');"""
+        sql """insert into ${table_name} values (2,  '{"A" : 1}');"""
+        sql """insert into ${table_name} values (4,  '{"A" : 123456}');"""
+        sql """insert into ${table_name} values (8,  '{"A" : 123456789101112}');"""
+        qt_sql_2 "select v:A from ${table_name} order by cast(v:A as int)"
+        sql """insert into ${table_name} values (12,  '{"AA" : [123456]}');"""
+        sql """insert into ${table_name} values (14,  '{"AA" : [123456789101112]}');"""
+        // qt_sql_3 "select v:AA from ${table_name} where size(v:AA) > 0 order by k"
+        qt_sql_4 "select v:A, v:AA, v from ${table_name} order by k"
+        qt_sql_5 "select v:A, v:AA, v, v from ${table_name} where cast(v:A as bigint) > 123 order by k"
+
+        sql """insert into ${table_name} values (16,  '{"a" : 123.0, "A" : 191191, "c": 123}');"""
+        sql """insert into ${table_name} values (18,  '{"a" : "123", "c" : 123456}');"""
+        sql """insert into ${table_name} values (20,  '{"a" : 1.10111, "A" : 1800, "c" : [12345]}');"""
+        // sql """insert into ${table_name} values (12,  '{"a" : [123]}, "c": "123456"');"""
+        sql """insert into ${table_name} values (22,  '{"a" : 1.1111, "A" : 17211, "c" : 111111}');"""
+        sql "sync"
+        qt_sql_6 "select v:a, v:A from ${table_name} order by cast(v:A as bigint), k"
+        qt_sql_7 "select k, v:A from ${table_name} where cast(v:A as bigint) >= 1 order by cast(v:A as bigint), k"
+
+        // FIXME: if not cast, then v:a could return "123" or 123 which is none determinately
+        qt_sql_8 "select cast(v:a as string), v:A from ${table_name} where cast(v:a as json) is null order by k"
+        // qt_sql_9 "select cast(v:a as string), v:A from ${table_name} where cast(v:A as json) is null order by k"
+
+        // !!! Not found cast function String to Float64
+        // qt_sql_10 "select v:a, v:A from ${table_name} where cast(v:a as double) > 0 order by k"
+        qt_sql_11 "select v:A from ${table_name} where cast(v:A as bigint) > 1 order by k"
+
+        // ----%%----
+        qt_sql_12 "select v:A, v from ${table_name} where cast(v:A as bigint) > 1 order by k"
+        // ----%%----
+        qt_sql_13 "select v:a, v:A from simple_select_variant where 1=1 and cast(v:a as json) is null  and cast(v:A as bigint) >= 1  order by k;"
+        qt_sql_14 """select  v:a, v:A, v from simple_select_variant where cast(v:A as bigint) > 0 and cast(v:A as bigint) = 123456 limit 1;"""
+
+        // !!! Not found cast function String to Float64
+        // qt_sql_15 "select v:a, v:A from ${table_name} where 1=1 and  cast(v:a as double) > 0 and v:A is not null  order by k"
+        // qt_sql_16 "select v:a, v:A, v:c from ${table_name} where 1=1 and  cast(v:a as double) > 0 and v:A is not null  order by k"
+
+        // FIXME: if not cast, then v:a could return "123" or 123 which is none determinately 
+        // not stable at present
+        // qt_sql_17 "select cast(v:a as json), v:A, v, v:AA from simple_select_variant where cast(v:A as bigint) is null  order by k;"
+
+        sql """insert into simple_select_variant values (12, '{"oamama": 1.1}')"""
+        qt_sql_18 "select  cast(v:a as text), v:A, v, v:oamama from simple_select_variant where cast(v:oamama as double) is null  order by k;"
+        qt_sql_19 """select  v:a, v:A, v, v:oamama from simple_select_variant where cast(v:oamama as double) is not null  order by k"""
+        qt_sql_20 """select v:A from simple_select_variant where cast(v:A as bigint) > 0 and cast(v:A as bigint) = 123456 limit 1;"""
+
+        // !!! Not found cast function String to Float64
+        // qt_sql_21 """select v:A, v:a, v from simple_select_variant where cast(v:A as bigint)  > 0 and cast(v:a as double) > 1 order by cast(v:A as bigint);"""
+
+        sql "truncate table simple_select_variant"
+        sql """insert into simple_select_variant values (11, '{"x": [123456]}');"""
+        sql """insert into simple_select_variant values (12, '{"x": [123456789101112]}');"""
+        sql """insert into simple_select_variant values (12, '{"xxx" : 123, "yyy" : 456}');"""
+        qt_sql_21_1 """select  * from simple_select_variant where cast(v:x as json) is null"""
+        qt_sql_21_2 """select  cast(v:x as json)  from simple_select_variant where cast(v:x as json) is not null order by k;"""
+
+        // 4. multi variant in single table
+        table_name = "multi_variant"
+        sql "DROP TABLE IF EXISTS ${table_name}"
+        sql """
+                CREATE TABLE IF NOT EXISTS ${table_name} (
+                    k bigint,
+                    v1 variant,
+                    v2 variant,
+                    v3 variant
+                    
+                )
+                DUPLICATE KEY(`k`)
+                DISTRIBUTED BY RANDOM BUCKETS 5 
+                properties("replication_num" = "1", "disable_auto_compaction" = "false");
+            """
+        sql """insert into ${table_name} values (1,  '{"A" : 123}', '{"B" : 123}', '{"C" : 456}');"""
+        sql """insert into ${table_name} values (2,  '{"C" : "123"}', '{"D" : [123]}', '{"E" : 789}');"""
+        sql """insert into ${table_name} values (3,  '{"C" : "123"}', '{"C" : [123]}', '{"E" : "789"}');"""
+        sql "sync"
+        verify table_name
+        qt_sql_22 "select v1:A from multi_variant order by k;"
+        qt_sql_23 "select v2:D from multi_variant order by k;"
+        qt_sql_24 "select v2:C from multi_variant order by k;"
+
+        // 5. multi tablets concurrent load
+        table_name = "t_json_parallel"
+        create_table table_name
+        sql """INSERT INTO t_json_parallel SELECT *, '{"k1":1, "k2": "some", "k3" : [1234], "k4" : 1.10000, "k5" : [[123]]}' FROM numbers("number" = "50000");"""
+        qt_sql_25 """ SELECT sum(cast(v:k1 as int)), sum(cast(v:k4 as double)), sum(cast(json_extract(v:k5, "\$.[0].[0]") as int)) from t_json_parallel; """
+            //50000  61700000        55000.00000000374       6150000
+        // 7. gh data
+        table_name = "ghdata"
+        create_table table_name
+        load_json_data.call(table_name, """${getS3Url() + '/load/ghdata_sample.json'}""")
+        qt_sql_26 "select count() from ${table_name}"
+
+        // FIXME: this case it not passed
+        // // 8. json empty string
+        // // table_name = "empty_string"
+        // // create_table table_name
+        // // sql """INSERT INTO empty_string VALUES (1, ''), (2, '{"k1": 1, "k2": "v1"}'), (3, '{}'), (4, '{"k1": 2}');"""
+        // // sql """INSERT INTO empty_string VALUES (3, null), (4, '{"k1": 1, "k2": "v1"}'), (3, '{}'), (4, '{"k1": 2}');"""
+        // // qt_sql_27 "SELECT * FROM ${table_name} ORDER BY k;"
+
+        // // // 9. btc data
+        // // table_name = "btcdata"
+        // // create_table table_name
+        // // load_json_data.call(table_name, """${getS3Url() + '/load/btc_transactions.json'}""")
+        // // qt_sql_28 "select count() from ${table_name}"
+
+        // 10. alter add variant
+        table_name = "alter_variant"
+        create_table table_name
+        sql """INSERT INTO ${table_name} VALUES (1, ''), (1, '{"k1": 1, "k2": "v1"}'), (1, '{}'), (1, '{"k1": 2}');"""
+        sql "alter table ${table_name} add column v2 variant default null"
+        sql """INSERT INTO ${table_name} VALUES (1, '{"kyyyy" : "123"}', '{"kxkxkxkx" : [123]}'), (1, '{"kxxxx" : 123}', '{"xxxxyyyy": 123}');"""
+        qt_sql_29_1 """select * from alter_variant where length(cast(v2 as string)) > 2 and cast(v2 as string) != 'null' order by k, cast(v as string), cast(v2 as string);"""
+        verify table_name
+
+        // 11. boolean values 
+        table_name = "boolean_values"
+        create_table table_name
+        sql """INSERT INTO ${table_name} VALUES (1, ''), (2, '{"k1": true, "k2": false}'), (3, '{}'), (4, '{"k1": false}');"""
+        verify table_name
+
+        // 12. jsonb values
+        table_name = "jsonb_values"
+        create_table table_name
+        sql """insert into ${table_name} values (1, '{"a" : ["123", 123, [123]]}')"""
+        // FIXME array -> jsonb will parse error
+        // sql """insert into ${table_name} values (2, '{"a" : ["123"]}')"""
+        sql """insert into ${table_name} values (3, '{"a" : "123"}')"""
+        sql """insert into ${table_name} values (4, '{"a" : 123456}')"""
+        sql """insert into ${table_name} values (5, '{"a" : [123, "123", 1.11111]}')"""
+        sql """insert into ${table_name} values (6, '{"a" : [123, 1.11, "123"]}')"""
+        sql """insert into ${table_name} values(7, '{"a" : [123, {"xx" : 1}], "b" : {"c" : 456, "d" : null, "e" : 7.111}}')"""
+        // FIXME data bellow is invalid at present
+        // sql """insert into ${table_name} values (8, '{"a" : [123, 111........]}')"""
+        sql """insert into ${table_name} values (9, '{"a" : [123, {"a" : 1}]}')"""
+        sql """insert into ${table_name} values (10, '{"a" : [{"a" : 1}, 123]}')"""
+        qt_sql_29 "select cast(v:a as string) from ${table_name} order by k"
+        // b? 7.111  [123,{"xx":1}]  {"b":{"c":456,"e":7.111}}       456
+        qt_sql_30 "select v:b.e, v:a, v:b, v:b.c from jsonb_values where cast(v:b.e as double) > 1;"
+
+        // 13. sparse columns
+        table_name = "sparse_columns"
+        create_table table_name
+        sql """insert into  sparse_columns select 0, '{"a": 11245, "b" : [123, {"xx" : 1}], "c" : {"c" : 456, "d" : null, "e" : 7.111}}'  as json_str
+            union  all select 0, '{"a": 1123}' as json_str union all select 0, '{"a" : 1234, "xxxx" : "kaana"}' as json_str from numbers("number" = "4096") limit 4096 ;"""
+        qt_sql_30 """ select v from sparse_columns where json_extract(v, "\$") != "{}" order by cast(v as string) limit 10"""
+        sql "truncate table sparse_columns"
+        sql """insert into  sparse_columns select 0, '{"a": 1123, "b" : [123, {"xx" : 1}], "c" : {"c" : 456, "d" : null, "e" : 7.111}, "zzz" : null, "oooo" : {"akakaka" : null, "xxxx" : {"xxx" : 123}}}'  as json_str
+            union  all select 0, '{"a" : 1234, "xxxx" : "kaana", "ddd" : {"aaa" : 123, "mxmxm" : [456, "789"]}}' as json_str from numbers("number" = "4096") limit 4096 ;"""
+        qt_sql_31 """ select v from sparse_columns where json_extract(v, "\$") != "{}" order by cast(v as string) limit 10"""
+        sql "truncate table sparse_columns"
+
+        // 12. streamload remote file
+        table_name = "logdata"
+        create_table.call(table_name, "4")
+        sql "set enable_two_phase_read_opt = false;"
+        // no sparse columns
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "1")
+        load_json_data.call(table_name, """${getS3Url() + '/load/logdata.json'}""")
+        qt_sql_32 """ select json_extract(v, "\$.json.parseFailed") from logdata where  json_extract(v, "\$.json.parseFailed") != 'null' order by k limit 1;"""
+        qt_sql_32_1 """select v:json.parseFailed from  logdata where cast(v:json.parseFailed as string) is not null and k = 162 limit 1;"""
+        sql "truncate table ${table_name}"
+
+        // 0.95 default ratio    
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+        load_json_data.call(table_name, """${getS3Url() + '/load/logdata.json'}""")
+        qt_sql_33 """ select json_extract(v,"\$.json.parseFailed") from logdata where  json_extract(v,"\$.json.parseFailed") != 'null' order by k limit 1;"""
+        qt_sql_33_1 """select v:json.parseFailed from  logdata where cast(v:json.parseFailed as string) is not null and k = 162 limit 1;"""
+        sql "truncate table ${table_name}"
+
+        // always sparse column
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.85")
+        load_json_data.call(table_name, """${getS3Url() + '/load/logdata.json'}""")
+        qt_sql_34 """ select json_extract(v, "\$.json.parseFailed") from logdata where  json_extract(v,"\$.json.parseFailed") != 'null' order by k limit 1;"""
+        sql "truncate table ${table_name}"
+        qt_sql_35 """select json_extract(v,"\$.json.parseFailed")  from logdata where k = 162 and  json_extract(v,"\$.json.parseFailed") != 'null';"""
+        qt_sql_35_1 """select v:json.parseFailed from  logdata where cast(v:json.parseFailed as string) is not null and k = 162 limit 1;"""
+
+        // TODO add test case that some certain columns are materialized in some file while others are not materilized(sparse)
+         // unique table
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+        table_name = "github_events_unique"
+        sql """DROP TABLE IF EXISTS ${table_name}"""
+        table_name = "github_events"
+        sql """
+            CREATE TABLE IF NOT EXISTS ${table_name} (
+                k bigint,
+                v variant
+            )
+            UNIQUE KEY(`k`)
+            DISTRIBUTED BY HASH(k) BUCKETS 4 
+            properties("replication_num" = "1", "disable_auto_compaction" = "true");
+        """
+        load_json_data.call(table_name, """${getS3Url() + '/regression/gharchive.m/2015-01-01-0.json'}""")
+        sql """insert into ${table_name} values (1, '{"a" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (2, '{"b" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (2, '{"c" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (3, '{"d" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (3, '{"e" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (4, '{"f" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (4, '{"g" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (5, '{"h" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (5, '{"i" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (6, '{"j" : 1}'), (1, '{"a" : 1}')"""
+        sql """insert into ${table_name} values (6, '{"k" : 1}'), (1, '{"a" : 1}')"""
+        sql "select * from ${table_name}"
+        qt_sql_36_1 "select v:a, v:b, v:c from ${table_name} order by k limit 10"
+        sql "DELETE FROM ${table_name} WHERE k=1"
+        sql "select * from ${table_name}"
+        qt_sql_36_2 "select * from ${table_name} where k > 3 order by k desc limit 10"
+        sql "insert into ${table_name} select * from ${table_name}"
+        sql """UPDATE ${table_name} set v = '{"updated_value" : 10}' where k = 2"""
+        qt_sql_36_3 """select * from ${table_name} where k = 2"""
+
+
+        // delete sign
+        load_json_data.call(table_name, """delete.json""")
+
+        // FIXME
+        // // filter invalid variant
+        // table_name = "invalid_variant"
+        // set_be_config.call("max_filter_ratio_for_variant_parsing", "1")
+        // create_table.call(table_name, "4")
+        // sql """insert into ${table_name} values (1, '{"a" : 1}'), (1, '{"a"  1}')""" 
+        // sql """insert into ${table_name} values (1, '{"a"  1}'), (1, '{"a"  1}')""" 
+        // set_be_config.call("max_filter_ratio_for_variant_parsing", "0.05")
+        // sql """insert into ${table_name} values (1, '{"a" : 1}'), (1, '{"a"  1}')""" 
+        // sql """insert into ${table_name} values (1, '{"a"  1}'), (1, '{"a"  1}')""" 
+        // sql "select * from ${table_name}"
+
+        // test all sparse columns
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+        table_name = "all_sparse_columns"
+        create_table.call(table_name, "1")
+        sql """insert into ${table_name} values (1, '{"a" : 1}'), (1, '{"a":  "1"}')""" 
+        sql """insert into ${table_name} values (1, '{"a" : 1}'), (1, '{"a":  ""}')""" 
+        qt_sql_37 "select * from ${table_name} order by k, cast(v as string)"
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+
+        // test mow with delete
+        table_name = "variant_mow" 
+        sql """
+         CREATE TABLE IF NOT EXISTS ${table_name} (
+                k bigint,
+                k1 string,
+                v variant
+            )
+            UNIQUE KEY(`k`)
+            DISTRIBUTED BY HASH(k) BUCKETS 4 
+            properties("replication_num" = "1", "disable_auto_compaction" = "false", "enable_unique_key_merge_on_write" = "true");
+        """
+        sql """insert into ${table_name} values (1, "abc", '{"a" : 1}'), (1, "cde", '{"b" : 1}')"""
+        sql """insert into ${table_name} values (2, "abe", '{"c" : 1}')"""
+        sql """insert into ${table_name} values (3, "abd", '{"d" : 1}')"""
+        sql "delete from ${table_name} where k in (select k from variant_mow where k in (1, 2))"
+        qt_sql_38 "select * from ${table_name} order by k"
+
+        // read text from sparse col
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+        sql """insert into  sparse_columns select 0, '{"a": 1123, "b" : [123, {"xx" : 1}], "c" : {"c" : 456, "d" : null, "e" : 7.111}, "zzz" : null, "oooo" : {"akakaka" : null, "xxxx" : {"xxx" : 123}}}'  as json_str
+            union  all select 0, '{"a" : 1234, "xxxx" : "kaana", "ddd" : {"aaa" : 123, "mxmxm" : [456, "789"]}}' as json_str from numbers("number" = "4096") limit 4096 ;"""
+        qt_sql_31 """select cast(v:xxxx as string) from sparse_columns where cast(v:xxxx as string) != 'null' limit 1;"""
+        sql "truncate table sparse_columns"
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+    } finally {
+        // reset flags
+        set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+    }
+}
diff --git a/regression-test/suites/variant_p0/multi_var.groovy b/regression-test/suites/variant_p0/multi_var.groovy
new file mode 100644
index 0000000000..1a034b9be3
--- /dev/null
+++ b/regression-test/suites/variant_p0/multi_var.groovy
@@ -0,0 +1,43 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_multi_var", "variant_type"){
+    def table_name = "multi_variants"
+    sql "DROP TABLE IF EXISTS ${table_name}"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 4
+        properties("replication_num" = "1");
+    """
+    sql """INSERT INTO ${table_name} SELECT *, '{"k1":1, "k2": "hello world", "k3" : [1234], "k4" : 1.10000, "k5" : [[123]]}' FROM numbers("number" = "101")"""
+    sql """INSERT INTO ${table_name} SELECT *, '{"k7":123, "k8": "elden ring", "k9" : 1.1112, "k10" : [1.12], "k11" : ["moon"]}' FROM numbers("number" = "203") where number > 100"""
+    sql """INSERT INTO ${table_name} SELECT *, '{"k7":123, "k8": "elden ring", "k9" : 1.1112, "k10" : [1.12], "k11" : ["moon"]}' FROM numbers("number" = "411") where number > 200"""
+    sql "alter table ${table_name} add column v2 variant default null"
+    sql """INSERT INTO ${table_name} select k, v, v from ${table_name}"""
+    sql "alter table ${table_name} add column v3 variant default null"
+    sql """INSERT INTO ${table_name} select k, v, v, v from ${table_name}"""
+    sql "alter table ${table_name} add column ss string default null"
+    sql """INSERT INTO ${table_name} select k, v, v, v, v from ${table_name}"""
+    sql """DELETE FROM ${table_name} where k = 1"""
+    qt_sql """select cast(v:k1 as tinyint), cast(v2:k2 as text), cast(v3:k3 as string), cast(v:k7 as tinyint), cast(v2:k8 as text), cast(v3:k9 as double) from ${table_name} order by k, 1, 2, 3, 4, 5, 6 limit 10"""
+    qt_sql """select cast(v:k1 as tinyint), cast(v2:k2 as text), cast(v3:k3 as string), cast(v:k7 as tinyint), cast(v2:k8 as text), cast(v3:k9 as double) from ${table_name} where k > 200 order by k, 1, 2, 3, 4, 5, 6 limit 10"""
+    qt_sql """select cast(v:k1 as tinyint), cast(v2:k2 as text), cast(v3:k3 as string), cast(v:k7 as tinyint), cast(v2:k8 as text), cast(v3:k9 as double) from ${table_name} where k > 300 order by k, 1, 2, 3, 4, 5, 6 limit 10"""
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/schema_change.groovy b/regression-test/suites/variant_p0/schema_change.groovy
new file mode 100644
index 0000000000..9a9048ba5d
--- /dev/null
+++ b/regression-test/suites/variant_p0/schema_change.groovy
@@ -0,0 +1,76 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_schema_change", "variant_type"){
+    def table_name = "variant_schema_change"
+    sql "DROP TABLE IF EXISTS ${table_name}"
+    sql """
+        CREATE TABLE IF NOT EXISTS ${table_name} (
+            k bigint,
+            v variant
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 4
+        properties("replication_num" = "1");
+    """
+    def timeout = 60000
+    def delta_time = 1000
+    def useTime = 0
+    def wait_for_latest_op_on_table_finish = { tableName, OpTimeout ->
+        for(int t = delta_time; t <= OpTimeout; t += delta_time){
+            alter_res = sql """SHOW ALTER TABLE COLUMN WHERE TableName = "${tableName}" ORDER BY CreateTime DESC LIMIT 1;"""
+            alter_res = alter_res.toString()
+            if(alter_res.contains("FINISHED")) {
+                sleep(3000) // wait change table state to normal
+                logger.info(tableName + " latest alter job finished, detail: " + alter_res)
+                break
+            }
+            useTime = t
+            sleep(delta_time)
+        }
+        assertTrue(useTime <= OpTimeout, "wait_for_latest_op_on_table_finish timeout")
+    }
+    // add, drop columns
+    sql """INSERT INTO ${table_name} SELECT *, '{"k1":1, "k2": "hello world", "k3" : [1234], "k4" : 1.10000, "k5" : [[123]]}' FROM numbers("number" = "4096")"""
+    sql "alter table ${table_name} add column v2 variant default null"
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name}"""
+    sql "alter table ${table_name} drop column v2"
+    sql """INSERT INTO ${table_name} SELECT k, v from ${table_name}"""
+    qt_sql """select v:k1 from ${table_name} order by k limit 10"""
+    sql "alter table ${table_name} add column vs string default null"
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name}"""
+    qt_sql """select v:k1 from ${table_name} order by k desc limit 10"""
+
+    // add, drop index
+    sql "alter table ${table_name} add index btm_idxk (k) using bitmap ;"
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name}"""
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+    // drop column is linked schema change
+    sql "drop index btm_idxk on ${table_name};"
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name} limit 1024"""
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+    qt_sql """select v:k1 from ${table_name} order by k desc limit 10"""
+
+    // add, drop materialized view
+    createMV("""create materialized view var_order as select vs, k, v from ${table_name} order by vs""")    
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name} limit 4096"""
+    createMV("""create materialized view var_cnt as select k, count(k) from ${table_name} group by k""")    
+    sql """INSERT INTO ${table_name} SELECT k, v, v from ${table_name} limit 8101"""
+    sql """DROP MATERIALIZED VIEW var_cnt ON ${table_name}"""
+    sql """INSERT INTO ${table_name} SELECT k, v,v  from ${table_name} limit 1111"""
+    qt_sql """select v:k1, cast(v:k2 as string) from ${table_name} order by k desc limit 10"""
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/sql/gh_data.sql b/regression-test/suites/variant_p0/sql/gh_data.sql
new file mode 100644
index 0000000000..72a3adb01c
--- /dev/null
+++ b/regression-test/suites/variant_p0/sql/gh_data.sql
@@ -0,0 +1,13 @@
+set exec_mem_limit=8G;
+SELECT count() from ghdata;
+SELECT cast(v:repo.name as string), count() AS stars FROM ghdata WHERE cast(v:type as string) = 'WatchEvent' GROUP BY cast(v:repo.name as string)  ORDER BY stars DESC, cast(v:repo.name as string) LIMIT 5;
+SELECT max(cast(cast(v:`id` as string) as bigint)) FROM ghdata;
+SELECT sum(cast(cast(v:`id` as string) as bigint)) FROM ghdata;
+SELECT sum(cast(v:payload.member.id as bigint)) FROM ghdata;
+SELECT sum(cast(v:payload.pull_request.milestone.creator.site_admin as bigint)) FROM ghdata;
+SELECT sum(length(v:payload.pull_request.base.repo.html_url)) FROM ghdata;
+-- SELECT v:payload.commits.author.name FROM ghdata ORDER BY k LIMIT 10;
+SELECT v:payload.member.id FROM ghdata where cast(v:payload.member.id as string) is not null  ORDER BY k LIMIT 10;
+-- select k, v:payload.commits.author.name AS name, e FROM ghdata as t lateral view  explode(cast(v:payload.commits.author.name as array<string>)) tm1 as e  order by k limit 5;
+select k, v from ghdata WHERE cast(v:type as string) = 'WatchEvent'  order by k limit 10;
+SELECT cast(v:payload.member.id as bigint), count() FROM ghdata where cast(v:payload.member.id as bigint) is not null group by cast(v:payload.member.id as bigint) order by 1, 2 desc LIMIT 10;
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/with_index/load.groovy b/regression-test/suites/variant_p0/with_index/load.groovy
new file mode 100644
index 0000000000..e124629169
--- /dev/null
+++ b/regression-test/suites/variant_p0/with_index/load.groovy
@@ -0,0 +1,101 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_with_index", "nonConcurrent"){
+    def set_be_config = { key, value ->
+        String backend_id;
+        def backendId_to_backendIP = [:]
+        def backendId_to_backendHttpPort = [:]
+        getBackendIpHttpPort(backendId_to_backendIP, backendId_to_backendHttpPort);
+
+        backend_id = backendId_to_backendIP.keySet()[0]
+        def (code, out, err) = update_be_config(backendId_to_backendIP.get(backend_id), backendId_to_backendHttpPort.get(backend_id), key, value)
+        logger.info("update config: code=" + code + ", out=" + out + ", err=" + err)
+    }
+
+    def delta_time = 1000
+    def useTime = 0
+    def wait_for_latest_op_on_table_finish = { tableName, OpTimeout ->
+        for(int t = delta_time; t <= OpTimeout; t += delta_time){
+            alter_res = sql """SHOW ALTER TABLE COLUMN WHERE TableName = "${tableName}" ORDER BY CreateTime DESC LIMIT 1;"""
+            alter_res = alter_res.toString()
+            if(alter_res.contains("FINISHED")) {
+                sleep(3000) // wait change table state to normal
+                logger.info(tableName + " latest alter job finished, detail: " + alter_res)
+                break
+            }
+            useTime = t
+            sleep(delta_time)
+        }
+        assertTrue(useTime <= OpTimeout, "wait_for_latest_op_on_table_finish timeout")
+    }
+    set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0")
+    set_be_config.call("variant_threshold_rows_to_estimate_sparse_column", "0")
+    def table_name = "var_with_index"
+    sql "DROP TABLE IF EXISTS var_with_index"
+    sql """
+        CREATE TABLE IF NOT EXISTS var_with_index (
+            k bigint,
+            v variant,
+            inv string,
+            INDEX idx(inv) USING INVERTED PROPERTIES("parser"="standard")  COMMENT ''
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 3
+        properties("replication_num" = "1", "disable_auto_compaction" = "true");
+    """
+    sql """insert into var_with_index values(1, '{"a" : 0, "b": 3}', 'hello world'), (2, '{"a" : 123}', 'world'),(3, '{"a" : 123}', 'hello world')"""
+    qt_sql_inv_1 "select v:a from var_with_index where inv match 'hello' order by k"
+    qt_sql_inv_2 "select v:a from var_with_index where inv match 'hello' and cast(v:a as int) > 0 order by k"
+    qt_sql_inv_3 "select * from var_with_index where inv match 'hello' and cast(v:a as int) > 0 order by k"
+    sql "truncate table var_with_index"
+    // set back configs
+    set_be_config.call("variant_ratio_of_defaults_as_sparse_column", "0.95")
+    set_be_config.call("variant_threshold_rows_to_estimate_sparse_column", "100")
+    // sql "truncate table ${table_name}"
+    sql """insert into var_with_index values(1, '{"a1" : 0, "b1": 3}', 'hello world'), (2, '{"a2" : 123}', 'world'),(3, '{"a3" : 123}', 'hello world')"""
+    sql """insert into var_with_index values(4, '{"b1" : 0, "b2": 3}', 'hello world'), (5, '{"b2" : 123}', 'world'),(6, '{"b3" : 123}', 'hello world')"""
+    def drop_result = sql """
+                      ALTER TABLE var_with_index 
+                          drop index idx
+                  """
+    logger.info("drop index " + "${table_name}" +  "; result: " + drop_result)
+    def timeout = 60000
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+    show_result = sql "show index from ${table_name}"
+    assertEquals(show_result.size(), 0)
+    qt_sql_inv4 """select v:a1 from ${table_name} where cast(v:a1 as int) = 0"""
+    qt_sql_inv5 """select * from ${table_name} order by k"""
+    sql "create index inv_idx on ${table_name}(`inv`) using inverted"
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+    show_result = sql "show index from ${table_name}"
+    assertEquals(show_result.size(), 1)
+    sql """insert into var_with_index values(7, '{"a1" : 0, "b1": 3}', 'hello world'), (8, '{"a2" : 123}', 'world'),(9, '{"a3" : 123}', 'hello world')"""
+    qt_sql_inv6 """select * from ${table_name} order by k desc limit 4"""
+    
+    sql """insert into var_with_index values(1, '{"a" : 0, "b": 3}', 'hello world'), (2, '{"a" : 123}', 'world'),(3, '{"a" : 123}', 'hello world')"""
+
+    // alter bitmap index
+    sql "alter table  var_with_index add index btm_idx (inv) using bitmap ;"
+    sql """insert into var_with_index values(1, '{"a" : 0, "b": 3}', 'hello world'), (2, '{"a" : 123}', 'world'),(3, '{"a" : 123}', 'hello world')"""
+    sql "select * from var_with_index order by k limit 4"
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+    sql "alter table  var_with_index add index btm_idxk (k) using bitmap ;"
+    sql """insert into var_with_index values(1, '{"a" : 0, "b": 3}', 'hello world'), (2, '{"a" : 123}', 'world'),(3, '{"a" : 123}', 'hello world')"""
+    sql "select * from var_with_index order by k limit 4"
+    wait_for_latest_op_on_table_finish(table_name, timeout)
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p0/with_index/var_index.groovy b/regression-test/suites/variant_p0/with_index/var_index.groovy
new file mode 100644
index 0000000000..844b83e1a2
--- /dev/null
+++ b/regression-test/suites/variant_p0/with_index/var_index.groovy
@@ -0,0 +1,39 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("regression_test_variant_var_index", "variant_type"){
+    def table_name = "var_index"
+    sql "DROP TABLE IF EXISTS var_index"
+    sql """
+        CREATE TABLE IF NOT EXISTS var_index (
+            k bigint,
+            v variant,
+            INDEX idx_var(v) USING INVERTED  PROPERTIES("parser" = "english") COMMENT ''
+        )
+        DUPLICATE KEY(`k`)
+        DISTRIBUTED BY HASH(k) BUCKETS 1 
+        properties("replication_num" = "1", "disable_auto_compaction" = "true");
+    """
+
+    sql """insert into var_index values(1, '{"a" : 123, "b" : "xxxyyy", "c" : 111999111}')"""
+    sql """insert into var_index values(2, '{"a" : 18811, "b" : "hello world", "c" : 1181111}')"""
+    sql """insert into var_index values(3, '{"a" : 18811, "b" : "hello wworld", "c" : 11111}')"""
+    sql """insert into var_index values(4, '{"a" : 1234, "b" : "hello xxx world", "c" : 8181111}')"""
+    qt_sql """select * from var_index where cast(v:a as smallint) > 123 and cast(v:b as string) match 'hello' and cast(v:c as int) > 1024 order by k"""
+    sql """insert into var_index values(5, '{"a" : 123456789, "b" : 123456, "c" : 8181111}')"""
+    qt_sql """select * from var_index where cast(v:a as int) > 123 and cast(v:b as string) match 'hello' and cast(v:c as int) > 11111 order by k"""
+}
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/github_events_advance.groovy b/regression-test/suites/variant_p2/github_events_advance.groovy
new file mode 100644
index 0000000000..48db7a50d0
--- /dev/null
+++ b/regression-test/suites/variant_p2/github_events_advance.groovy
@@ -0,0 +1,112 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("github_event_advance_p2", "variant_type,p2"){
+
+    def load_json_data = {table_name, file_name ->
+        // load the json data
+        streamLoad {
+            table "${table_name}"
+
+            // set http request header params
+            set 'read_json_by_line', 'true' 
+            set 'format', 'json' 
+            set 'max_filter_ratio', '0.1'
+            file file_name // import json file
+            time 10000 // limit inflight 10s
+
+            // if declared a check callback, the default check condition will ignore.
+            // So you must check all condition
+
+            check { result, exception, startTime, endTime ->
+                if (exception != null) {
+                        throw exception
+                }
+                logger.info("Stream load ${file_name} result: ${result}".toString())
+                def json = parseJson(result)
+                assertEquals("success", json.Status.toLowerCase())
+                // assertEquals(json.NumberTotalRows, json.NumberLoadedRows + json.NumberUnselectedRows)
+                assertTrue(json.NumberLoadedRows > 0 && json.LoadBytes > 0)
+            }
+        }
+    }
+
+    def create_table = {table_name, buckets="auto" ->
+        sql "DROP TABLE IF EXISTS ${table_name}"
+        sql """
+            CREATE TABLE IF NOT EXISTS ${table_name} (
+            id BIGINT NOT NULL,
+            type VARCHAR(30) NULL,
+            actor VARIANT NULL,
+            repo VARIANT NULL,
+            payload VARIANT NULL,
+            public BOOLEAN NULL,
+            created_at DATETIME NULL,
+            org JSON NULL
+            -- INDEX idx_payload(payload) USING INVERTED PROPERTIES("parser" = "english") COMMENT '',
+            -- INDEX idx_repo(repo) USING INVERTED PROPERTIES("parser" = "english") COMMENT '',
+            -- INDEX idx_actor(actor) USING INVERTED PROPERTIES("parser" = "english") COMMENT ''
+        )
+        DUPLICATE KEY(`id`)
+        DISTRIBUTED BY HASH(id) BUCKETS ${buckets}
+        properties("replication_num" = "1", "disable_auto_compaction" = "false");
+        """
+    }
+
+    def set_be_config = { key, value ->
+        String backend_id;
+        def backendId_to_backendIP = [:]
+        def backendId_to_backendHttpPort = [:]
+        getBackendIpHttpPort(backendId_to_backendIP, backendId_to_backendHttpPort);
+
+        backend_id = backendId_to_backendIP.keySet()[0]
+        def (code, out, err) = update_be_config(backendId_to_backendIP.get(backend_id), backendId_to_backendHttpPort.get(backend_id), key, value)
+        logger.info("update config: code=" + code + ", out=" + out + ", err=" + err)
+    }
+
+    try {
+        set_be_config.call("ratio_of_defaults_as_sparse_column", "1")
+        table_name = "github_events"
+        create_table.call(table_name, 10)
+        List<Long> daysEveryMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+        // 2015
+        def year = "2015"
+        def monthPrefix = "0"
+        def dayPrefix = "0"
+        log.info("current year: ${year}")
+        for (int i = 1; i <= 3; i++) {
+            def month = i < 10 ? monthPrefix + i.toString() : i.toString()
+            log.info("current month: ${month}")
+            for (int j = 1; j <= daysEveryMonth[i - 1]; j++) {
+                def day = j < 10 ? dayPrefix + j.toString() : j.toString()
+                log.info("current day: ${day}")
+                for (int z = 1; z < 24; z++) {
+                    def hour = z.toString()
+                    log.info("current hour: ${hour}")
+                    def fileName = year + "-" + month + "-" + day + "-" + hour + ".json"
+                    log.info("cuurent fileName: ${fileName}")
+                    load_json_data.call(table_name, """${getS3Url() + '/regression/github_events_dataset/' + fileName}""")
+                }
+            }
+        }
+        
+        qt_sql("select count() from github_events")
+    } finally {
+        // reset flags
+        set_be_config.call("ratio_of_defaults_as_sparse_column", "0.95")
+    }
+}
diff --git a/regression-test/suites/variant_p2/sql/authorsWithTheMostPushes.sql b/regression-test/suites/variant_p2/sql/authorsWithTheMostPushes.sql
new file mode 100644
index 0000000000..184d7fd6e8
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/authorsWithTheMostPushes.sql
@@ -0,0 +1,9 @@
+ SELECT
+      cast(actor:login as string),
+      count() AS c,
+      count(distinct cast(repo:name as string)) AS repos
+  FROM github_events
+  WHERE type = 'PushEvent'
+  GROUP BY cast(actor:login as string)
+  ORDER BY c DESC, 1, 3
+  LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/countingStar1.sql b/regression-test/suites/variant_p2/sql/countingStar1.sql
new file mode 100644
index 0000000000..603dadf7fb
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/countingStar1.sql
@@ -0,0 +1 @@
+SELECT count() FROM github_events WHERE type = 'WatchEvent'
diff --git a/regression-test/suites/variant_p2/sql/countingStar2.sql b/regression-test/suites/variant_p2/sql/countingStar2.sql
new file mode 100644
index 0000000000..85301adddf
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/countingStar2.sql
@@ -0,0 +1 @@
+SELECT cast(payload:action as string), count() FROM github_events WHERE type = 'WatchEvent' GROUP BY cast(payload:action as string) 
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/countingStar3.sql b/regression-test/suites/variant_p2/sql/countingStar3.sql
new file mode 100644
index 0000000000..c1530e6c0a
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/countingStar3.sql
@@ -0,0 +1 @@
+ SELECT count() FROM github_events WHERE type = 'WatchEvent' AND cast(repo:name as string) IN ('apache/spark', 'GunZi200/Memory-Colour', 'isohuntto/openbay', 'wasabeef/awesome-android-ui') GROUP BY cast(payload:action as string)
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/distributionOfRepositoriesByStarCount.sql b/regression-test/suites/variant_p2/sql/distributionOfRepositoriesByStarCount.sql
new file mode 100644
index 0000000000..3cc0e2ea79
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/distributionOfRepositoriesByStarCount.sql
@@ -0,0 +1,14 @@
+SELECT
+    cast(pow(10, floor(log10(c))) as int) AS stars,
+    count(distinct k)
+FROM
+(
+    SELECT
+        cast(repo:name as string) as k,
+        count() AS c
+    FROM github_events
+    WHERE type = 'WatchEvent'
+    GROUP BY cast(repo:name as string)
+) t
+GROUP BY stars
+ORDER BY stars ASC
diff --git a/regression-test/suites/variant_p2/sql/githubRoulette.sql b/regression-test/suites/variant_p2/sql/githubRoulette.sql
new file mode 100644
index 0000000000..4fc2555cef
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/githubRoulette.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string) FROM github_events WHERE type = 'WatchEvent' ORDER BY created_at, cast(repo:name as string)  LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
new file mode 100644
index 0000000000..4f55826ff6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears1.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
new file mode 100644
index 0000000000..4f55826ff6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears2.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
new file mode 100644
index 0000000000..076aaf3054
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears3.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, cast(repo:name as string) LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
new file mode 100644
index 0000000000..4f55826ff6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears4.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
new file mode 100644
index 0000000000..4f55826ff6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears5.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
new file mode 100644
index 0000000000..4f55826ff6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears6.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND year(created_at) = '2015' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
new file mode 100644
index 0000000000..836e3f24c1
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheListOfTopRepositoriesChangedOverTheYears7.sql
@@ -0,0 +1,29 @@
+SELECT
+    repo_name,
+    year,
+    cnt
+FROM
+(
+    SELECT
+        row_number() OVER (PARTITION BY year ORDER BY cnt DESC) AS r,
+        repo_name,
+        year,
+        cnt
+    FROM
+    (
+        SELECT
+        lower(cast(repo:name as string)) AS repo_name,
+        year(created_at) AS year,
+        count() AS cnt
+        FROM github_events
+        WHERE (type = 'WatchEvent') AND (year(created_at) >= 2015)
+        GROUP BY
+            repo_name,
+            year
+    ) t
+) t2
+WHERE r <= 10
+ORDER BY
+    year ASC,
+    cnt DESC,
+    repo_name
diff --git a/regression-test/suites/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.sql b/regression-test/suites/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.sql
new file mode 100644
index 0000000000..c85f96df6f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/howHasTheTotalNumberOfStarsChangedOverTime.sql
@@ -0,0 +1,2 @@
+SELECT year(created_at) AS year, count() AS stars FROM github_events WHERE type = 'WatchEvent' GROUP BY year ORDER BY year
+
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments1.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments1.sql
new file mode 100644
index 0000000000..0a60a5fbb6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments1.sql
@@ -0,0 +1 @@
+SELECT count() FROM github_events WHERE type = 'IssueCommentEvent'
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments2.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments2.sql
new file mode 100644
index 0000000000..3a96ad5804
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments2.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() FROM github_events WHERE type = 'IssueCommentEvent' GROUP BY cast(repo:name as string) ORDER BY count() DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments3.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments3.sql
new file mode 100644
index 0000000000..36c76fc9bc
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments3.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    comments,
+    issues,
+    cast(round(comments / issues, 0) as int) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        count() AS comments,
+        count(distinct cast(payload:issue.`number` as int)) AS issues
+    FROM github_events
+    WHERE type = 'IssueCommentEvent'
+    GROUP BY cast(repo:name as string)
+) t
+ORDER BY comments DESC, 1, 3, 4
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments4.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments4.sql
new file mode 100644
index 0000000000..3375d63c66
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments4.sql
@@ -0,0 +1,10 @@
+SELECT
+    cast(repo:name as string),
+    cast(payload:issue.`number` as int)  as number,
+    count() AS comments
+FROM github_events
+WHERE type = 'IssueCommentEvent' AND (cast(payload:action as string) = 'created')
+GROUP BY cast(repo:name as string), number 
+ORDER BY comments DESC, number ASC, 1
+LIMIT 50
+
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments5.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments5.sql
new file mode 100644
index 0000000000..71be66e5d8
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments5.sql
@@ -0,0 +1,9 @@
+SELECT
+    cast(repo:name as string),
+    cast(payload:issue.number as int)  as number,
+    count() AS comments
+FROM github_events
+WHERE type = 'IssueCommentEvent' AND (cast(payload:action as string) = 'created') AND (cast(payload:issue.number as int)  > 10)
+GROUP BY cast(repo:name as string), number
+ORDER BY comments DESC, cast(repo:name as string), number
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments6.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments6.sql
new file mode 100644
index 0000000000..80503c1e1d
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments6.sql
@@ -0,0 +1,11 @@
+SELECT
+    cast(repo:name as string),
+    cast(payload:issue.`number` as int)  as number,
+    count() AS comments,
+    count(distinct cast(actor:login as string)) AS authors
+FROM github_events
+WHERE type = 'IssueCommentEvent' AND (cast(payload:action as string) = 'created') AND (cast(payload:issue.`number` as int) > 10)
+GROUP BY cast(repo:name as string), number
+HAVING authors >= 4
+ORDER BY comments DESC, number
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments7.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments7.sql
new file mode 100644
index 0000000000..cd0a367522
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments7.sql
@@ -0,0 +1,9 @@
+SELECT
+    cast(repo:name as string),
+    count() AS comments,
+    count(distinct cast(actor:login as string)) AS authors
+FROM github_events
+WHERE type = 'CommitCommentEvent'
+GROUP BY cast(repo:name as string)
+ORDER BY count() DESC, 1, 3
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/issuesWithTheMostComments8.sql b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments8.sql
new file mode 100644
index 0000000000..3b26dd4b6d
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/issuesWithTheMostComments8.sql
@@ -0,0 +1,13 @@
+SELECT
+    concat('https://github.com/', cast(repo:name as string), '/commit/', cast(payload:commit_id as string)) URL,
+    cast(payload:commit_id as string) AS commit_id,
+    count() AS comments,
+    count(distinct cast(actor:login as string)) AS authors
+FROM github_events
+WHERE (type = 'CommitCommentEvent') AND cast(payload:commit_id as string) != ""
+GROUP BY
+    cast(repo:name as string),
+    commit_id 
+HAVING authors >= 10
+ORDER BY count() DESC, URL, authors
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/mostForkedRepositories.sql b/regression-test/suites/variant_p2/sql/mostForkedRepositories.sql
new file mode 100644
index 0000000000..6dd01ef3fb
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/mostForkedRepositories.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS forks FROM github_events WHERE type = 'ForkEvent' GROUP BY cast(repo:name as string) ORDER BY forks DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/mostPopularCommentsOnGithub.sql b/regression-test/suites/variant_p2/sql/mostPopularCommentsOnGithub.sql
new file mode 100644
index 0000000000..2f68bea3d0
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/mostPopularCommentsOnGithub.sql
@@ -0,0 +1 @@
+SELECT cast(payload:comment.body as string) as comment, count() FROM github_events WHERE cast(payload:comment.body as string) != "" AND length(cast(payload:comment.body as string)) < 100 GROUP BY comment  ORDER BY count() DESC, comment, 1  LIMIT 1
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfRepositories.sql b/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfRepositories.sql
new file mode 100644
index 0000000000..f7411c1e9f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfRepositories.sql
@@ -0,0 +1,14 @@
+SELECT
+    lower(split_part(repo_name, '/', 1)) AS org,
+    count(distinct repo_name) AS repos
+FROM
+(
+    SELECT cast(repo:name as string) as repo_name
+    FROM github_events
+    WHERE type = 'WatchEvent'
+    GROUP BY cast(repo:name as string)
+    HAVING count() >= 10
+) t
+GROUP BY org
+ORDER BY repos DESC, org ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfStars.sql b/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfStars.sql
new file mode 100644
index 0000000000..e6c1dd9e44
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/organizationsByTheNumberOfStars.sql
@@ -0,0 +1,12 @@
+SELECT
+    lower(split_part(repo_name, '/', 1)) AS org,
+    count() AS stars
+FROM (
+     SELECT cast(repo:name as string) as repo_name
+    FROM github_events
+    WHERE type = 'WatchEvent'
+) t
+GROUP BY org
+ORDER BY stars DESC, 1
+LIMIT 50
+
diff --git a/regression-test/suites/variant_p2/sql/organizationsByTheSizeOfCommunity.sql b/regression-test/suites/variant_p2/sql/organizationsByTheSizeOfCommunity.sql
new file mode 100644
index 0000000000..f7f8d6bcde
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/organizationsByTheSizeOfCommunity.sql
@@ -0,0 +1,24 @@
+SELECT
+    lower(split_part(repo_name, '/', 1)) AS org,
+    count(distinct actor_login) AS authors,
+    count(distinct pr_author) AS pr_authors,
+    count(distinct issue_author) AS issue_authors,
+    count(distinct comment_author) AS comment_authors,
+    count(distinct review_author) AS review_authors,
+    count(distinct push_author) AS push_authors
+FROM
+(
+SELECT
+    cast(repo:name as string) as repo_name,
+    cast(actor:login as string) as actor_login,
+    CASE WHEN type = 'PullRequestEvent' THEN cast(actor:login as string) ELSE NULL END pr_author,
+    CASE WHEN type = 'IssuesEvent' THEN cast(actor:login as string) ELSE NULL END issue_author,
+    CASE WHEN type = 'IssueCommentEvent' THEN cast(actor:login as string) ELSE NULL END comment_author,
+    CASE WHEN type = 'PullRequestReviewCommentEvent' THEN cast(actor:login as string) ELSE NULL END review_author,
+    CASE WHEN type = 'PushEvent' THEN cast(actor:login as string) ELSE NULL END push_author
+FROM github_events
+WHERE type IN ('PullRequestEvent', 'IssuesEvent', 'IssueCommentEvent', 'PullRequestReviewCommentEvent', 'PushEvent')
+) t
+GROUP BY org
+ORDER BY authors DESC, org
+limit 5
diff --git a/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks1.sql b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks1.sql
new file mode 100644
index 0000000000..738cc9a962
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks1.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    cast(round(sum(star) / sum(fork), 0) as int) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE type IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY forks DESC, 1, 3, 4
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks2.sql b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks2.sql
new file mode 100644
index 0000000000..0d98ee9ce6
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks2.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    cast(round(sum(star) / sum(fork), 3) as int) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE type IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY  repo_name 
+HAVING (stars > 20) AND (forks >= 10)
+ORDER BY ratio DESC, repo_name 
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks3.sql b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks3.sql
new file mode 100644
index 0000000000..abd98d8f08
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks3.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    cast(round(sum(fork) / sum(star), 2) as int) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE type IN ('ForkEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING (stars > 4) AND (forks > 4)
+ORDER BY ratio, repo_name DESC
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks4.sql b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks4.sql
new file mode 100644
index 0000000000..b3c20be7e8
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks4.sql
@@ -0,0 +1,13 @@
+SELECT
+    sum(fork) AS forks,
+    sum(star) AS stars,
+    round(sum(star) / sum(fork), 2) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string),
+        CASE WHEN type = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE type IN ('ForkEvent', 'WatchEvent')
+) t
diff --git a/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks5.sql b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks5.sql
new file mode 100644
index 0000000000..8eabb99d93
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/proportionsBetweenStarsAndForks5.sql
@@ -0,0 +1,21 @@
+SELECT
+    sum(forks) AS forks,
+    sum(stars) AS stars,
+    round(sum(stars) / sum(forks), 2) AS ratio
+FROM
+(
+    SELECT
+        sum(fork) AS forks,
+        sum(star) AS stars
+    FROM
+    (
+        SELECT
+            cast(repo:name as string) as repo_name,
+            CASE WHEN type = 'ForkEvent' THEN 1 ELSE 0 END AS fork,
+            CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+        FROM github_events
+        WHERE type IN ('ForkEvent', 'WatchEvent')
+    ) t
+    GROUP BY repo_name
+    HAVING stars > 10
+) t2
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments1.sql
new file mode 100644
index 0000000000..6ad7bf32b1
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments1.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() FROM github_events WHERE lower(cast(payload:comment.body as string)) LIKE '%apache%' GROUP BY cast(repo:name as string) ORDER BY count() DESC, cast(repo:name as string) ASC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments2.sql
new file mode 100644
index 0000000000..991b6367ce
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithClickhouse_related_comments2.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(num_star) AS num_stars,
+    sum(num_comment) AS num_comments
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS num_star,
+        CASE WHEN lower(cast(payload:comment.body as string)) LIKE '%apache%' THEN 1 ELSE 0 END AS num_comment
+    FROM github_events
+    WHERE (lower(cast(payload:comment.body as string)) LIKE '%apache%') OR (type = 'WatchEvent')
+) t
+GROUP BY repo_name 
+HAVING num_comments > 0
+ORDER BY num_stars DESC,num_comments DESC, repo_name ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments1.sql
new file mode 100644
index 0000000000..c7a6ed5898
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments1.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() FROM github_events WHERE lower(cast(payload:comment.body as string)) LIKE '%spark%' GROUP BY cast(repo:name as string) ORDER BY count() DESC, cast(repo:name as string) ASC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments2.sql
new file mode 100644
index 0000000000..baeea16eb2
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithDoris_related_comments2.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(num_star) AS num_stars,
+    sum(num_comment) AS num_comments
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS num_star,
+        CASE WHEN lower(cast(payload:comment.body as string)) LIKE '%spark%' THEN 1 ELSE 0 END AS num_comment
+    FROM github_events
+    WHERE (lower(cast(payload:comment.body as string)) LIKE '%spark%') OR (type = 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING num_comments > 0
+ORDER BY num_stars DESC,num_comments DESC,repo_name ASC
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.sql
new file mode 100644
index 0000000000..b490a1b2c9
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheHighestGrowthYoY.sql
@@ -0,0 +1,19 @@
+SELECT
+    repo_name,
+    sum(created_at_2022) AS stars2022,
+    sum(created_at_2015) AS stars2015,
+    cast(round(sum(created_at_2022) / sum(created_at_2015), 0) as int) AS yoy
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE year(created_at) WHEN 2022 THEN 1 ELSE 0 END AS created_at_2022,
+        CASE year(created_at) WHEN 2015 THEN 1 ELSE 0 END AS created_at_2015,
+        created_at as created_at
+    FROM github_events
+    WHERE type = 'WatchEvent'
+) t
+GROUP BY  repo_name 
+HAVING (min(created_at) <= '2023-01-01 00:00:00') AND ((stars2022 >= 1) or (stars2015 >= 1))
+ORDER BY yoy DESC, repo_name 
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.sql
new file mode 100644
index 0000000000..798bde5e95
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues1.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS c, count(distinct cast(actor:login as string)) AS u FROM github_events WHERE type = 'IssuesEvent' AND cast(payload:action as string) = 'opened' GROUP BY cast(repo:name as string) ORDER BY c DESC, cast(repo:name as string) LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.sql
new file mode 100644
index 0000000000..0abfec6ca8
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues2.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN cast(actor:login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE type IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY c DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.sql
new file mode 100644
index 0000000000..6cc8a508c5
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues3.sql
@@ -0,0 +1,19 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN cast(actor:login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE type IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING stars >= 10
+ORDER BY c, u, stars DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.sql
new file mode 100644
index 0000000000..3f85d7db48
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfIssues4.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    sum(issue_created) AS c,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN 1 ELSE 0 END AS issue_created,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star,
+        CASE WHEN (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') THEN cast(actor:login as string) ELSE NULL END AS actor_login 
+    FROM github_events
+    WHERE type IN ('IssuesEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+ORDER BY u, c, stars DESC, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.sql
new file mode 100644
index 0000000000..233048b6a4
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests1.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string) as repo_name, count(), count(distinct cast(actor:login as string)) FROM github_events WHERE type = 'PullRequestEvent' AND cast(payload:action as string) = 'opened' GROUP BY cast(repo:name as string) ORDER BY 2,1,3 DESC LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.sql
new file mode 100644
index 0000000000..7ec7474191
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumAmountOfPullRequests2.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count(), count(distinct cast(actor:login as string)) AS u FROM github_events WHERE type = 'PullRequestEvent' AND cast(payload:action as string) = 'opened' GROUP BY cast(repo:name as string) ORDER BY u DESC, 2 DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
new file mode 100644
index 0000000000..1a899f6a83
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMaximumNumberOfAcceptedInvitations.sql
@@ -0,0 +1,17 @@
+SELECT
+    repo_name,
+    sum(invitation) AS invitations,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'MemberEvent' THEN 1 ELSE 0 END AS invitation,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events
+    WHERE type IN ('MemberEvent', 'WatchEvent')
+) t
+GROUP BY repo_name
+HAVING stars >= 2
+ORDER BY invitations DESC, stars DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
new file mode 100644
index 0000000000..6419fff814
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess1.sql
@@ -0,0 +1,13 @@
+SELECT
+    repo_name,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        lower(cast(repo:name as string)) as repo_name,
+        CASE WHEN type = 'PushEvent' THEN cast(actor:login as string) ELSE NULL END AS actor_login,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events WHERE type IN ('PushEvent', 'WatchEvent') AND cast(repo:name as string) != '/'
+) t
+GROUP BY repo_name ORDER BY u, stars, repo_name DESC LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
new file mode 100644
index 0000000000..b79bb47a71
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess2.sql
@@ -0,0 +1,13 @@
+SELECT
+    repo_name,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'PushEvent' AND (cast(payload:ref as string) LIKE '%/master' OR cast(payload:ref as string) LIKE '%/main') THEN cast(actor:login as string) ELSE NULL END AS actor_login,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events WHERE type IN ('PushEvent', 'WatchEvent') AND cast(repo:name as string) != '/'
+) t
+GROUP BY repo_name ORDER BY u, repo_name DESC LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
new file mode 100644
index 0000000000..3a4747488f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostPeopleWhoHavePushAccess3.sql
@@ -0,0 +1,16 @@
+SELECT
+    repo_name,
+    count(distinct actor_login) AS u,
+    sum(star) AS stars
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE WHEN type = 'PushEvent' AND (cast(payload:ref as string) LIKE '%/master' OR cast(payload:ref as string) LIKE '%/main') THEN cast(actor:login as string) ELSE NULL END AS actor_login,
+        CASE WHEN type = 'WatchEvent' THEN 1 ELSE 0 END AS star
+    FROM github_events WHERE type IN ('PushEvent', 'WatchEvent') AND cast(repo:name as string) != '/'
+) t
+GROUP BY repo_name
+HAVING stars >= 100
+ORDER BY u DESC, repo_name
+LIMIT 50;
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.sql
new file mode 100644
index 0000000000..07f434c0dd
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay1.sql
@@ -0,0 +1,22 @@
+SELECT
+    repo_name,
+    stars
+FROM
+(
+    SELECT
+        row_number() OVER (PARTITION BY repo_name  ORDER BY stars DESC) AS rank,
+        repo_name,
+        stars
+    FROM
+    (
+        SELECT
+            cast(repo:name as string) as repo_name,
+            count() AS stars
+        FROM github_events
+        WHERE type = 'WatchEvent'
+        GROUP BY cast(repo:name as string)
+    ) t1
+) t2
+WHERE rank = 1
+ORDER BY stars DESC, repo_name, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.sql
new file mode 100644
index 0000000000..71c7aaa529
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay2.sql
@@ -0,0 +1,22 @@
+SELECT
+    repo_name,
+    stars
+FROM
+(
+    SELECT
+        row_number() OVER (PARTITION BY repo_name ORDER BY stars DESC) AS rank,
+        repo_name,
+        stars
+    FROM
+    (
+        SELECT
+            cast(repo:name as string) as repo_name,
+            count() AS stars
+        FROM github_events
+        WHERE type = 'WatchEvent'
+        GROUP BY cast(repo:name as string)
+    ) t1
+) t2
+WHERE rank = 1
+ORDER BY stars DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.sql
new file mode 100644
index 0000000000..9a95075695
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostStarsOverOneDay3.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string) as repo_name, count() AS stars FROM github_events WHERE type = 'WatchEvent' GROUP BY cast(repo:name as string) ORDER BY stars DESC, repo_name LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.sql
new file mode 100644
index 0000000000..13cb308f64
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheMostSteadyGrowthOverTime.sql
@@ -0,0 +1,18 @@
+SELECT
+    repo_name,
+    max(stars) AS daily_stars,
+    sum(stars) AS total_stars,
+    cast(round(sum(stars) / max(stars), 0) as int) AS rate
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        count() AS stars
+    FROM github_events
+    WHERE type = 'WatchEvent'
+    GROUP BY
+        repo_name
+) t
+GROUP BY repo_name
+ORDER BY rate DESC, repo_name, 1
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoriesWithTheWorstStagnation_order.sql b/regression-test/suites/variant_p2/sql/repositoriesWithTheWorstStagnation_order.sql
new file mode 100644
index 0000000000..1c140c4557
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoriesWithTheWorstStagnation_order.sql
@@ -0,0 +1,19 @@
+SELECT
+    repo_name,
+    sum(created_at_2022) AS stars2022,
+    sum(created_at_2015) AS stars2015,
+    cast(round(sum(created_at_2022) / sum(created_at_2015), 0) as int) AS yoy
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        CASE year(created_at) WHEN 2022 THEN 1 ELSE 0 END AS created_at_2022,
+        CASE year(created_at) WHEN 2015 THEN 1 ELSE 0 END AS created_at_2015,
+        created_at as created_at
+    FROM github_events
+    WHERE type = 'WatchEvent'
+) t
+GROUP BY repo_name
+HAVING (min(created_at) <= '2019-01-01 00:00:00') AND ((max(created_at) >= '2020-06-01 00:00:00') OR (stars2015 >= 2))
+ORDER BY yoy, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/repositoryAffinityList2.sql b/regression-test/suites/variant_p2/sql/repositoryAffinityList2.sql
new file mode 100644
index 0000000000..3f0183145f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/repositoryAffinityList2.sql
@@ -0,0 +1,23 @@
+SELECT
+  repo_name,
+  total_stars,
+  round(spark_stars / total_stars, 2) AS ratio
+FROM
+(
+    SELECT
+        cast(repo:name as string) as repo_name,
+        count(distinct cast(actor:login as string)) AS total_stars
+    FROM github_events
+    WHERE (type = 'WatchEvent') AND (cast(repo:name as string) NOT IN ('apache/spark'))
+    GROUP BY repo_name
+    HAVING total_stars >= 10
+) t1
+JOIN
+(
+    SELECT
+        count(distinct cast(actor:login as string)) AS spark_stars
+    FROM github_events
+    WHERE (type = 'WatchEvent') AND (cast(repo:name as string) IN ('apache/spark'))
+) t2
+ORDER BY ratio DESC, repo_name
+LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/sql01.sql b/regression-test/suites/variant_p2/sql/sql01.sql
new file mode 100644
index 0000000000..a9245641fa
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql01.sql
@@ -0,0 +1 @@
+SELECT payload:commits FROM github_events where cast(payload:push_id as int) = 536740433;
diff --git a/regression-test/suites/variant_p2/sql/sql02.sql b/regression-test/suites/variant_p2/sql/sql02.sql
new file mode 100644
index 0000000000..5265fa7d80
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql02.sql
@@ -0,0 +1 @@
+SELECT count(cast(payload:commits as string)) FROM github_events;
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/sql03.sql b/regression-test/suites/variant_p2/sql/sql03.sql
new file mode 100644
index 0000000000..a69cd107d0
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql03.sql
@@ -0,0 +1 @@
+SELECT count(cast(payload:commits as string)) FROM github_events WHERE cast(payload:push_id as int) > 100;
diff --git a/regression-test/suites/variant_p2/sql/sql04.sql b/regression-test/suites/variant_p2/sql/sql04.sql
new file mode 100644
index 0000000000..97c7e0eb7a
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql04.sql
@@ -0,0 +1 @@
+SELECT repo:id, payload:issue  FROM github_events WHERE cast(payload:issue.state as string) = "open" order by cast(repo:id as int), id limit 10;
diff --git a/regression-test/suites/variant_p2/sql/sql05.sql b/regression-test/suites/variant_p2/sql/sql05.sql
new file mode 100644
index 0000000000..c10f5c5940
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql05.sql
@@ -0,0 +1 @@
+-- SELECT count(cast(payload:issue as string)) FROM github_events;
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/sql06.sql b/regression-test/suites/variant_p2/sql/sql06.sql
new file mode 100644
index 0000000000..cc95540128
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql06.sql
@@ -0,0 +1 @@
+SELECT count(cast(payload:issue as string)) FROM github_events where cast(payload:issue.state as string) = "closed";
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/sql07.sql b/regression-test/suites/variant_p2/sql/sql07.sql
new file mode 100644
index 0000000000..c1e8b15867
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql07.sql
@@ -0,0 +1,2 @@
+set enable_two_phase_read_opt = false;
+SELECT payload:commits FROM github_events order by id limit 10;
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/sql08.sql b/regression-test/suites/variant_p2/sql/sql08.sql
new file mode 100644
index 0000000000..37e47fb5af
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/sql08.sql
@@ -0,0 +1 @@
+SELECT payload:issue.user FROM github_events WHERE cast(payload:issue.state as string) = "open" and  cast(payload:issue.locked as int) = 0 order by cast(repo:id as int), id limit 10;
diff --git a/regression-test/suites/variant_p2/sql/theLongestRepositoryNames1.sql b/regression-test/suites/variant_p2/sql/theLongestRepositoryNames1.sql
new file mode 100644
index 0000000000..0b99aac343
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theLongestRepositoryNames1.sql
@@ -0,0 +1 @@
+SELECT count(), cast(repo:name as string) FROM github_events WHERE type = 'WatchEvent' GROUP BY cast(repo:name as string) ORDER BY length(cast(repo:name as string)) DESC, cast(repo:name as string) LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/theLongestRepositoryNames2.sql b/regression-test/suites/variant_p2/sql/theLongestRepositoryNames2.sql
new file mode 100644
index 0000000000..89c9a62955
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theLongestRepositoryNames2.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() FROM github_events WHERE type = 'WatchEvent' AND cast(repo:name as string) LIKE '%_/_%' GROUP BY cast(repo:name as string) ORDER BY length(cast(repo:name as string)) ASC, cast(repo:name as string) LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/theMostToughCodeReviews.sql b/regression-test/suites/variant_p2/sql/theMostToughCodeReviews.sql
new file mode 100644
index 0000000000..d7449fe8a4
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theMostToughCodeReviews.sql
@@ -0,0 +1,10 @@
+SELECT
+    concat('https://github.com/', cast(repo:name as string), '/pull/') AS URL,
+    count(distinct cast(actor:login as string)) AS authors
+FROM github_events
+WHERE (type = 'PullRequestReviewCommentEvent') AND (cast(payload:action as string) = 'created')
+GROUP BY
+    cast(repo:name as string),
+    cast(payload:issue.`number` as string) 
+ORDER BY authors DESC, URL ASC
+LIMIT 50
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.sql b/regression-test/suites/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.sql
new file mode 100644
index 0000000000..a67c50432f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theTotalNumberOfRepositoriesOnGithub.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(repo:name as string)) FROM github_events
diff --git a/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub1.sql b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub1.sql
new file mode 100644
index 0000000000..74135944c3
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub1.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(actor:login as string)) FROM github_events
diff --git a/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub2.sql b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub2.sql
new file mode 100644
index 0000000000..b02fd0d60f
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub2.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(actor:login as string)) FROM github_events WHERE type = 'WatchEvent'
diff --git a/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub3.sql b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub3.sql
new file mode 100644
index 0000000000..5874548978
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub3.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(actor:login as string)) FROM github_events WHERE type = 'PushEvent'
diff --git a/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub4.sql b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub4.sql
new file mode 100644
index 0000000000..cc870d53aa
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/theTotalNumberOfUsersOnGithub4.sql
@@ -0,0 +1 @@
+SELECT count(distinct cast(actor:login as string)) FROM github_events WHERE type = 'PullRequestEvent' AND cast(payload:action as string) = 'opened'
diff --git a/regression-test/suites/variant_p2/sql/topLabels1.sql b/regression-test/suites/variant_p2/sql/topLabels1.sql
new file mode 100644
index 0000000000..c45c3a90f8
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/topLabels1.sql
@@ -0,0 +1,10 @@
+-- SELECT
+--     id,
+--     label,
+--     count() AS c
+-- FROM github_events
+-- LATERAL VIEW explode_split(cast(payload:labels as string), ',') t AS label
+-- WHERE (type IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (cast(payload:action as string) IN ('created', 'opened', 'labeled'))
+-- GROUP BY label, id
+-- ORDER BY c, id DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/topLabels2.sql b/regression-test/suites/variant_p2/sql/topLabels2.sql
new file mode 100644
index 0000000000..99941f2898
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/topLabels2.sql
@@ -0,0 +1,9 @@
+-- SELECT
+--     label,
+--     count() AS c
+-- FROM github_events
+-- LATERAL VIEW explode_split(cast(payload:labels as string), ',') t AS label
+-- WHERE (type IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (cast(payload:action as string) IN ('created', 'opened', 'labeled')) AND ((lower(label) LIKE '%bug%') OR (lower(label) LIKE '%feature%'))
+-- GROUP BY label
+-- ORDER BY c DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/topLabels3.sql b/regression-test/suites/variant_p2/sql/topLabels3.sql
new file mode 100644
index 0000000000..205202e802
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/topLabels3.sql
@@ -0,0 +1,14 @@
+-- SELECT
+--     sum(bug) AS bugs,
+--     sum(feature) AS feature,
+--     sum(bug) / sum(feature) AS ratio
+-- FROM
+-- (
+--     SELECT
+--         CASE WHEN lower(cast(payload:labels as string)) LIKE '%bug%' THEN 1 ELSE 0 END AS bug,
+--         CASE WHEN lower(cast(payload:labels as string)) LIKE '%feature%' THEN 1 ELSE 0 END AS feature
+--     FROM github_events
+--     LATERAL VIEW explode_split(cast(payload:labels as string), ',') t AS label
+--     WHERE (type IN ('IssuesEvent', 'PullRequestEvent', 'IssueCommentEvent')) AND (cast(payload:action as string) IN ('created', 'opened', 'labeled')) AND ((lower(label) LIKE '%bug%') OR (lower(label) LIKE '%feature%'))
+-- ) t
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/topRepositoriesByStars.sql b/regression-test/suites/variant_p2/sql/topRepositoriesByStars.sql
new file mode 100644
index 0000000000..36a87fa709
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/topRepositoriesByStars.sql
@@ -0,0 +1 @@
+SELECT cast(repo:name as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' GROUP BY cast(repo:name as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.sql b/regression-test/suites/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.sql
new file mode 100644
index 0000000000..a742c30dc5
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/whatIsTheBestDayOfTheWeekToCatchAStar.sql
@@ -0,0 +1 @@
+SELECT dayofweek(created_at) AS day, count() AS stars FROM github_events WHERE type = 'WatchEvent' GROUP BY day ORDER BY day
diff --git a/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars1.sql b/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars1.sql
new file mode 100644
index 0000000000..cb163ad2cc
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars1.sql
@@ -0,0 +1 @@
+SELECT cast(actor:login as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' GROUP BY cast(actor:login as string) ORDER BY stars DESC, 1 LIMIT 50
diff --git a/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars2.sql b/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars2.sql
new file mode 100644
index 0000000000..a46da4812e
--- /dev/null
+++ b/regression-test/suites/variant_p2/sql/whoAreAllThosePeopleGivingStars2.sql
@@ -0,0 +1 @@
+SELECT cast(actor:login as string), count() AS stars FROM github_events WHERE type = 'WatchEvent' AND cast(actor:login as string) = 'cliffordfajardo' GROUP BY cast(actor:login as string) ORDER BY stars DESC LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs1.sql b/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs1.sql
new file mode 100644
index 0000000000..3a2009a53b
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs1.sql
@@ -0,0 +1,16 @@
+-- ERROR: unmatched column
+-- SELECT
+--     cast(repo:name as string),
+--     count() AS prs,
+--     count(distinct cast(actor:login as string)) AS authors
+-- FROM github_events
+-- WHERE (type = 'PullRequestEvent') AND (cast(payload:action as string) = 'opened') AND (cast(actor:login as string) IN
+-- (
+--     SELECT cast(actor:login as string)
+--     FROM github_events
+--     WHERE (type = 'PullRequestEvent') AND (cast(payload:action as string)= 'opened') AND (cast(repo:name as string) IN ('rspec/rspec-core', 'golden-warning/giraffedraft-server', 'apache/spark'))
+-- )) AND (lower(cast(repo:name as string)) NOT LIKE '%clickhouse%')
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY authors DESC, prs DESC, length(cast(repo:name as string)) DESC
+-- LIMIT 50
+-- 
\ No newline at end of file
diff --git a/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs2.sql b/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs2.sql
new file mode 100644
index 0000000000..5d2f275313
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/affinityByIssuesAndPRs2.sql
@@ -0,0 +1,15 @@
+-- ERROR: unmatched column
+-- SELECT
+--     cast(repo:name as string),
+--     count() AS prs,
+--     count(distinct cast(actor:login as string)) AS authors
+-- FROM github_events
+-- WHERE (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') AND (cast(actor:login as string) IN
+-- (
+--     SELECT cast(actor:login as string)
+--     FROM github_events
+--     WHERE (type = 'IssuesEvent') AND (cast(payload:action as string) = 'opened') AND (cast(repo:name as string) IN ('No-CQRT/GooGuns', 'ivolunteerph/ivolunteerph', 'Tribler/tribler'))
+-- )) AND (lower(cast(repo:name as string)) NOT LIKE '%clickhouse%')
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY authors DESC, prs DESC, cast(repo:name as string) ASC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/repositoriesByAmountOfModifiedCode.sql b/regression-test/suites/variant_p2/unresovled_sql/repositoriesByAmountOfModifiedCode.sql
new file mode 100644
index 0000000000..f232a6f032
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/repositoriesByAmountOfModifiedCode.sql
@@ -0,0 +1,13 @@
+-- ERROR missmatched result
+-- SELECT
+--     cast(repo:name as string) as repo_name,
+--     count() AS prs,
+--     count(distinct cast(actor:login as string)) AS authors,
+--     sum(cast(payload:pull_request.additions as int)) AS adds,
+--     sum(cast(v:payload.pull_request.deletions as int)) AS dels
+-- FROM github_events
+-- WHERE (type = 'PullRequestEvent') AND (cast(payload:action as string) = 'opened') AND (cast(payload:pull_request.additions as int) < 10000) AND (cast(v:payload.pull_request.deletions as int) < 10000)
+-- GROUP BY repo_name
+-- HAVING (adds / dels) < 10
+-- ORDER BY adds + dels DESC, 1
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/repositoriesByTheNumberOfPushes.sql b/regression-test/suites/variant_p2/unresovled_sql/repositoriesByTheNumberOfPushes.sql
new file mode 100644
index 0000000000..b5c9ac1fb2
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/repositoriesByTheNumberOfPushes.sql
@@ -0,0 +1,18 @@
+--ERROR: crash column.h:496] not support
+-- SELECT
+--     cast(repo:name as string),
+--     count() AS pushes,
+--     count(distinct cast(actor:login as string)) AS authors
+-- FROM github_events
+-- WHERE (type = 'PushEvent') AND (cast(repo:name as string) IN
+-- (
+--     SELECT cast(repo:name as string)
+--     FROM github_events
+--     WHERE type = 'WatchEvent'
+--     GROUP BY cast(repo:name as string)
+--     ORDER BY count() DESC
+--     LIMIT 10000
+-- ))
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY count() DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/repositoryAffinityList1.sql b/regression-test/suites/variant_p2/unresovled_sql/repositoryAffinityList1.sql
new file mode 100644
index 0000000000..149e31e031
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/repositoryAffinityList1.sql
@@ -0,0 +1,14 @@
+-- ERROR: unmatched column
+-- SELECT
+--   cast(repo:name as string) as repo_name,
+--   count() AS stars
+-- FROM github_events
+-- WHERE (type = 'WatchEvent') AND (cast(actor:login as string) IN
+-- (
+--     SELECT cast(actor:login as string)
+--     FROM github_events
+--     WHERE (type = 'WatchEvent') AND (cast(repo:name as string) IN ('apache/spark', 'prakhar1989/awesome-courses'))
+-- )) AND (cast(repo:name as string) NOT IN ('ClickHouse/ClickHouse', 'yandex/ClickHouse'))
+-- GROUP BY repo_name
+-- ORDER BY stars DESC, repo_name 
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers1.sql b/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers1.sql
new file mode 100644
index 0000000000..0c5f159a8b
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers1.sql
@@ -0,0 +1,14 @@
+-- ERROR:  unmatched column
+-- SELECT
+--     cast(repo:name as string),
+--     count()
+-- FROM github_events
+-- WHERE (type = 'WatchEvent') AND (cast(actor:login as string) IN
+-- (
+--     SELECT cast(actor:login as string)
+--     FROM github_events
+--     WHERE (type = 'PullRequestEvent') AND (cast(payload:action as string) = 'opened')
+-- ))
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY count() DESC
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers2.sql b/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers2.sql
new file mode 100644
index 0000000000..e4ceb1b21b
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/starsFromHeavyGithubUsers2.sql
@@ -0,0 +1,16 @@
+-- ERROR: crash not support replicate
+-- SELECT
+--     cast(repo:name as string),
+--     count()
+-- FROM github_events
+-- WHERE (type = 'WatchEvent') AND (cast(actor:login as string) IN
+-- (
+--     SELECT cast(actor:login as string)
+--     FROM github_events
+--     WHERE (type = 'PullRequestEvent') AND (cast(payload:action as string) = 'opened')
+--     GROUP BY cast(actor:login as string)
+--     HAVING count() >= 2
+-- ))
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY 1, count() DESC, 1
+-- LIMIT 50
diff --git a/regression-test/suites/variant_p2/unresovled_sql/whoAreAllThosePeopleGivingStars3.sql b/regression-test/suites/variant_p2/unresovled_sql/whoAreAllThosePeopleGivingStars3.sql
new file mode 100644
index 0000000000..58083528b5
--- /dev/null
+++ b/regression-test/suites/variant_p2/unresovled_sql/whoAreAllThosePeopleGivingStars3.sql
@@ -0,0 +1,17 @@
+-- ERROR: unmatched column
+-- SELECT
+--     cast(repo:name as string),
+--     count() AS stars
+-- FROM github_events
+-- WHERE (type = 'WatchEvent') AND (cast(repo:name as string) IN
+-- (
+--     SELECT cast(repo:name as string)
+--     FROM github_events
+--     WHERE (type = 'WatchEvent') AND (cast(actor:login as string) = 'cliffordfajardo')
+-- ))
+-- GROUP BY cast(repo:name as string)
+-- ORDER BY stars DESC
+-- LIMIT 50
+
+
+