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fb676b7697
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Revert "planner: donot prune all columns for Projection (#24024)" (#24180)
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2021-04-25 11:47:55 +08:00 |
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336f30575f
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planner: fix index merge row count estimation logic (#23137)
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2021-04-16 19:21:51 +08:00 |
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4cd7fb0227
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planner: donot prune all columns for Projection (#24024)
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2021-04-16 18:17:52 +08:00 |
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75a031af4a
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expression: check NotNullFlag of columns when simplifying binary operations (#24049)
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2021-04-15 23:03:53 +08:00 |
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045c6927ca
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planner: remove useless cast function in AggToProj (#23981)
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2021-04-14 12:01:51 +08:00 |
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f97496d0fc
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expression: Implementation of Vitess hashing algorithm. (#23493)
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2021-04-06 23:00:32 +08:00 |
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aee5819a20
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*: change @@tidb_enable_clustered_index to ON/OFF/INT_ONLY (#23529)
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2021-03-26 15:59:24 +08:00 |
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6ba51c8eac
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plan: setting not null flag for extrak pk (#23237)
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2021-03-18 17:27:36 +08:00 |
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28c3748496
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planner: remove some risky cache operations in the plan builder (#23354)
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2021-03-18 15:35:11 +08:00 |
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411dba25b1
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*: deprecate alter-primary-key configuration (#23270)
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2021-03-18 15:17:36 +08:00 |
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9f7ed0f44a
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planner: push aggregation operators down to projection by default (#22090)
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2021-03-17 16:20:56 +08:00 |
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9c48b24cb1
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*: add clustered index info in show index from stmt (#23329)
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2021-03-16 20:16:55 +08:00 |
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26ccbe972a
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*: create int primary key table as nonclustered by default (#23046)
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2021-03-16 19:19:49 +08:00 |
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5bafb3203e
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planner: show cast type in EXPLAIN in coptask (#23123)
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2021-03-16 16:16:55 +08:00 |
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920b70d97c
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planner: set right null flag for constant value (#23172)
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2021-03-12 16:10:55 +08:00 |
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1e985673ea
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planner: fix query range partition table got wrong result and TiDB panic (#22953)
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2021-03-09 18:30:55 +08:00 |
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50aec2b2d2
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planner: enable column pruning for common handle (#22940)
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2021-03-04 14:42:54 +08:00 |
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e1004a2ccb
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*: modify the switch to control global stats (#22866)
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2021-03-01 14:18:30 +08:00 |
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806097c2e5
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planner: fix wrong index merge selection (#22825)
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2021-02-24 20:18:03 +08:00 |
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2d48f9573c
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planner: decorrelate LogicalApply with inner join as the inner child (#22649)
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2021-02-24 15:42:03 +08:00 |
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04e5137f48
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*: use explain format = 'brief' for tests (#22677)
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2021-02-22 17:50:06 +08:00 |
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c9e85ec701
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expression: refine performance of EXTRACT function (#22701)
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2021-02-19 15:31:27 +08:00 |
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27db39b480
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*: use CLUSTERED and NONCLUSTERED to control primary key type (#22409)
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2021-02-05 20:41:41 +08:00 |
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e62d1d472c
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*: add some explain tests for cluster index (#22720)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
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2021-02-04 17:10:21 +08:00 |
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3dd842f50a
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statistics: add bucket ndv for index histogram (#20580)
Co-authored-by: Yuanjia Zhang <zhangyuanjia@pingcap.com>
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
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2021-01-13 18:24:21 +08:00 |
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857e3da6eb
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planner: join reorder should not change the order of output columns (#16852)
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2020-12-31 14:51:14 +08:00 |
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d44e123395
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planner: prevent agg push down if it is in the outer child of apply (#21902)
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2020-12-22 16:43:26 +08:00 |
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cf806f60e4
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util/ranger: convert range condition like x >= 2 and x <= 2 to point condition x = 2 (#21809)
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2020-12-22 14:07:54 +08:00 |
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32d8cad845
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server: double type column from table should ignore its decimal (#21788)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
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2020-12-22 11:27:02 +08:00 |
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f687ebd91c
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planner: fix correlated aggregates which should be evaluated in outer query (#21431)
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2020-12-18 14:51:35 +08:00 |
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fd587c3552
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session: add a switch for index merge join (#21830)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
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2020-12-18 11:05:05 +08:00 |
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ab9cd019be
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*: make expression index as an experiment feature (#21721)
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
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2020-12-14 20:52:44 +08:00 |
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f0c6fa9c25
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expression: fix compatibility of extract day_time unit functions (#21601)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
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2020-12-11 17:13:21 +08:00 |
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03f385de5f
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planner/core: use constant propagate before predicates push down (#21061)
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2020-12-08 16:32:32 +08:00 |
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e33b37789c
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planner: add projection if expand virtual generated column (#20478)
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
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2020-12-03 21:42:49 +08:00 |
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ceddc106f0
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executor,planner/core,util/plancodec: extend executor.ShuffleExec and planner.core.PhysicalShuffle to support multiple data sources (#20942)
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2020-11-24 10:59:03 +08:00 |
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38bbb0dd21
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planner: ban (index) merge join heuristically when convert eq cond to other cond (#21138)
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2020-11-19 17:17:53 +08:00 |
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41786cb976
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*: seperate hash keys from join keys in IndexJoin (#20761)
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2020-11-16 16:24:51 +08:00 |
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99bdecc966
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ddl: fix float precision larger than 53 (#20458)
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2020-11-13 14:08:36 +08:00 |
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3ef3e54b5e
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planner: don't push down null sensitive join conditions (#19620)
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2020-11-12 17:16:31 +08:00 |
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a338e35932
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expression: fix wrong inferred type for sum and avg (#20926)
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2020-11-11 14:10:34 +08:00 |
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8bcbdf0aba
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planner: fix update statement not blocked by primary (#20842)
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2020-11-09 17:06:48 +08:00 |
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a55a51a163
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executor: fix show create table int default value (#20462)
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2020-10-28 14:08:37 +08:00 |
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ff428983e0
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planner: estimate cardinality of agg / join by GroupNDV (#18058)
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2020-10-27 11:09:57 +08:00 |
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974c5fa78e
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planner: explain output convert binary string to hex (#20472)
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2020-10-23 20:03:44 +08:00 |
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09d272c288
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planner: refine the explain message of expression (#16276) (#20410)
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2020-10-23 18:07:43 +08:00 |
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4501f6d7ab
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planner, executor: enable inline projection for Limit (#20288)
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2020-10-19 10:55:13 +08:00 |
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462a53f79a
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expression: utilize the flag of column arguments to simplify expressions (#20149)
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2020-10-09 14:43:11 +08:00 |
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01fdea7b6c
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executor: show varchar instead of var_string (#19921)
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2020-10-04 17:34:03 +08:00 |
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421e87c5f1
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planner: improve index merge row count estimation (#19040)
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2020-09-27 18:06:36 +08:00 |
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