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

..

analyze_suite_in.json

statistics: improve estimation for index equal condition (#17366)

2020-06-03 08:32:17 +08:00

analyze_suite_out.json

util/ranger: fix explain does not display range[NULL, NULL] (#19028) (#19068)

2020-08-11 17:23:01 +08:00

analyzesSuiteTestIndexReadT.json

planner/core: speed up unit-test (#8598)

2018-12-12 10:47:53 +08:00

analyzeSuiteTestIndexEqualUnknownT.json

statistics: improve estimation for index equal condition (#17366)

2020-06-03 08:32:17 +08:00

index_merge_suite_in.json

planner: add column mapping in explain result (#13640)

2019-11-27 16:39:19 +08:00

index_merge_suite_out.json

planner: add column mapping in explain result (#13640)

2019-11-27 16:39:19 +08:00

integration_serial_suite_in.json

planner: Do not pushdown unsupported function to tiflash in TopN operator (#19363)

2020-08-25 17:20:18 +08:00

integration_serial_suite_out.json

statistics, util/ranger: improve selectivity calculation for DNF filters (#18741)

2020-08-27 15:40:12 +08:00

integration_suite_in.json

planner,executor: fix index merge for partition table (#18940)

2020-08-04 20:38:17 +08:00

integration_suite_out.json

statistics, util/ranger: improve selectivity calculation for DNF filters (#18741)

2020-08-27 15:40:12 +08:00

plan_normalized_suite_in.json

plan: optimize the performance of decodePlan for big union query (#18891)

2020-08-03 14:17:36 +08:00

plan_normalized_suite_out.json

*: fix bug of same type plans with different plan digest (#19519)

2020-09-01 21:55:20 +08:00

plan_suite_in.json

planner: add optimizer hint TOPN_TO_COP() (#19545)

2020-09-10 17:18:20 +08:00

plan_suite_out.json

planner: add optimizer hint TOPN_TO_COP() (#19545)

2020-09-10 17:18:20 +08:00

plan_suite_unexported_in.json

executor: add new agg function APPROX_COUNT_DISTINCT (#17175)

2020-06-18 22:00:14 +08:00

plan_suite_unexported_out.json

executor: add new agg function APPROX_COUNT_DISTINCT (#17175)

2020-06-18 22:00:14 +08:00

point_get_plan_in.json

planner, executor: support point get as a option of DataSource (#14775)

2020-03-09 10:47:16 +08:00

point_get_plan_out.json

statistics, util/ranger: improve selectivity calculation for DNF filters (#18741)

2020-08-27 15:40:12 +08:00

stats_suite_in.json

planner: propagate NDV of column groups across plan nodes (#17854)

2020-08-12 16:39:11 +08:00

stats_suite_out.json

planner: propagate NDV of column groups across plan nodes (#17854)

2020-08-12 16:39:11 +08:00