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tangwz f388b094df planner: add optimizer hint TOPN_TO_COP() (#19545) 
* planner: add TopN_To_Cop hint.

* go fmt.

* add a method canPushToCop() to check if it is valid to push the TopN down.

* add unit test case for warning.

* gofmt.

Co-authored-by: Yuanjia Zhang <zhangyuanjia@pingcap.com>
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-09-10 17:18:20 +08:00
..
testdata
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
cache_test.go
planner: support sql_select_limit session / global variable (#17444)
2020-06-02 18:02:29 +08:00
cache.go
config: Revise SimpleLRUCache Configuration (#17532)
2020-06-18 19:48:33 +08:00
cacheable_checker_test.go
planner, executor: support except and intersect set operator (#18459)
2020-07-27 17:56:07 +08:00
cacheable_checker.go
planner,executor: enable plan cache for partition table (#19124)
2020-09-08 19:40:39 +08:00
cbo_test.go
executor, planner: refactor analyze tableID to analyzeTableID & add CanRuntimePrune (#19846)
2020-09-08 23:49:39 +08:00
common_plans.go
executor, planner: refactor analyze tableID to analyzeTableID & add CanRuntimePrune (#19846)
2020-09-08 23:49:39 +08:00
encode.go
*: fix bug of same type plans with different plan digest (#19519)
2020-09-01 21:55:20 +08:00
errors_test.go
*: using standard error to replace terror (#19425)
2020-09-08 20:15:51 +08:00
errors.go
planner: privilege check for SELECT INTO OUTFILE (#19553)
2020-08-28 16:43:03 +08:00
exhaust_physical_plans_test.go
*: fix datum's collation behavior to build correct logical ranges (#14963)
2020-03-05 22:34:46 +08:00
exhaust_physical_plans.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
explain.go
txn:support wait second grammar for "select for update" (#19630)
2020-09-07 13:47:59 +08:00
expression_rewriter_test.go
planner: reject invalid conversion from like to = (#11320)
2019-07-24 14:04:38 +08:00
expression_rewriter.go
expression: avoid unnecessary warnings/errors when folding constants in control expr (#19675)
2020-09-09 20:08:50 +08:00
expression_test.go
*: set charset and collate for string literals correctly (#15156)
2020-03-06 17:01:46 +08:00
find_best_task_test.go
planner, add hint nth_plan(x) to help user force a plan (#17850)
2020-07-01 15:34:22 +08:00
find_best_task.go
planner: check full match of each range for BatchPointGet plan (#19456)
2020-08-26 13:28:32 +08:00
handle_cols.go
executor, planner: enable duplication check on prefix clustered index (#19099)
2020-08-13 14:05:18 +08:00
hashcode.go
planner: add HashCode method for LogicalPlan & use PlanHash for GroupExpr's fingerPrint (#14224)
2020-01-10 11:41:12 +08:00
hints.go
planner, executor: support broadcast join for tiflash engine. (#17232)
2020-07-27 12:41:36 +08:00
indexmerge_test.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
initialize.go
planner: fix a bug that can't find column in indexLookupJoin with virtual generated column (#18516)
2020-08-25 16:09:31 +08:00
integration_test.go
planner: mark handle columns as needed when building plan for DELETE (#19723)
2020-09-07 11:32:44 +08:00
logical_plan_builder.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
logical_plan_test.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
logical_plans_test.go
exprssion, planner: fix the uncorrect behavior when finding access conditions (#15888)
2020-04-01 19:08:25 +08:00
logical_plans.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
memtable_predicate_extractor_test.go
mockstore: introducing embedded unistore (#17156)
2020-05-18 17:28:44 +08:00
memtable_predicate_extractor.go
simple fixes for the staticcheck linter (#18923)
2020-08-06 13:38:17 +08:00
mock.go
planner/cascades: implement PreparePossibleProperties in cascades planner (#13910)
2019-12-06 15:52:49 +08:00
optimizer_test.go
planner: support push predicates down to the memory table (#13821)
2019-12-04 14:23:14 +08:00
optimizer.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
partition_prune.go
*: fix unable prune problem caused by mismatch column infos (#19391)
2020-08-25 12:24:48 +08:00
partition_pruning_test.go
ddl, tables: support the column type change between the integer types (#19059)
2020-08-26 21:30:14 +08:00
pb_to_plan.go
executor: support GROUP_CONCAT(ORDER BY) (#16591)
2020-05-06 18:41:22 +08:00
physical_plan_test.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
physical_plans.go
txn:support wait second grammar for "select for update" (#19630)
2020-09-07 13:47:59 +08:00
plan_test.go
*: fix bug of same type plans with different plan digest (#19519)
2020-09-01 21:55:20 +08:00
plan_to_pb_test.go
util: move ColumnsToProto from parser to util pkg (#14971)
2020-02-28 17:23:41 +08:00
plan_to_pb.go
planner: support out join in broadcast join (#18988)
2020-08-06 13:24:17 +08:00
plan.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
planbuilder_test.go
*: support 'admin check table' on clustered index table (#18346)
2020-07-14 15:59:37 +08:00
planbuilder.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
point_get_plan_test.go
*: enable clustered index by default (#19582)
2020-08-31 16:54:51 +08:00
point_get_plan.go
txn:support wait second grammar for "select for update" (#19630)
2020-09-07 13:47:59 +08:00
prepare_test.go
planner,executor: enable plan cache for partition table (#19124)
2020-09-08 19:40:39 +08:00
preprocess_test.go
planner: stable the test introduced by #18474 (#19484)
2020-08-26 21:22:51 +08:00
preprocess.go
ddl: support create table with expression index (#18125)
2020-09-10 15:26:15 +08:00
property_cols_prune.go
planner: make some access paths check fit the clustered index (#18998)
2020-08-10 15:33:17 +08:00
resolve_indices.go
executor, planner: enable duplication check on prefix clustered index (#19099)
2020-08-13 14:05:18 +08:00
rule_aggregation_elimination.go
*: Use a function to get the ONE, ZERO and NULL and fix the clone. (#16512)
2020-04-17 19:11:52 +08:00
rule_aggregation_push_down.go
expression: Support stddev_pop function (#19195)
2020-08-27 19:42:53 +08:00
rule_build_key_info.go
planner: make some access paths check fit the clustered index (#18998)
2020-08-10 15:33:17 +08:00
rule_column_pruning.go
txn:support wait second grammar for "select for update" (#19630)
2020-09-07 13:47:59 +08:00
rule_decorrelate.go
planner: reset not null flag when Apply convert to Join (#19567)
2020-08-31 23:24:04 +08:00
rule_eliminate_projection.go
planner: fold constant in projection elimination and TopN push down (#14927)
2020-02-25 20:34:30 +08:00
rule_generate_column_substitute.go
planner: Modify the judgment condition of rule_generate_column_substitute. (#16809)
2020-05-01 21:48:03 +08:00
rule_inject_extra_projection_test.go
*: let baseFuncDesc.typeInfer return error instead of panic (#10910)
2019-06-24 13:09:14 +08:00
rule_inject_extra_projection.go
executor: support GROUP_CONCAT(ORDER BY) (#16591)
2020-05-06 18:41:22 +08:00
rule_join_elimination.go
planner: make some access paths check fit the clustered index (#18998)
2020-08-10 15:33:17 +08:00
rule_join_reorder_dp_test.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
rule_join_reorder_dp.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
rule_join_reorder_greedy.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
rule_join_reorder.go
planner: remove the fields LogicalJoin.LeftJoinKeys and RightJoinKeys (#14468)
2020-01-19 19:16:32 +08:00
rule_max_min_eliminate.go
planner: support plan cache for cluster index (#18716)
2020-07-28 14:39:48 +08:00
rule_partition_processor.go
plan, partition: re-implement hash partition pruning to support in and or and some other functions (#18574)
2020-08-28 17:14:42 +08:00
rule_predicate_push_down.go
planner: fix wrong select result when using collation (#18639)
2020-07-16 17:30:38 +08:00
rule_topn_push_down.go
planner: add optimizer hint TOPN_TO_COP() (#19545)
2020-09-10 17:18:20 +08:00
stats_test.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
stats.go
planner: propagate NDV of column groups across plan nodes (#17854)
2020-08-12 16:39:11 +08:00
stringer.go
*: support clustered index for fast analyze (#18767)
2020-08-07 19:22:14 +08:00
task.go
planner: Do not pushdown unsupported function to tiflash in TopN operator (#19363)
2020-08-25 17:20:18 +08:00
trace.go
*: redesign trace statement with json output (#8357)
2018-11-21 13:50:18 +08:00
util.go
planner: workaround the panic of command EXECUTE when printing an expensive query log (#19316)
2020-08-20 17:45:47 +08:00