Commit Graph

313 Commits

Author SHA1 Message Date
bca2f7250f logutil: InitLogger as a more abstract method, deprecated InitZapLogger (#25381) 2021-06-15 10:54:37 +08:00
89394e4724 *: fix binding doesn't work for CTE (#25308) 2021-06-10 17:00:30 +08:00
11716e7f4a *: use full sampling as default analyze (#25132) 2021-06-06 00:34:27 +08:00
b07942836f planner: fix a panic caused by sinking a Limit with inlined Proj into IndexLookUp when accessing a partition table (#25063) 2021-06-04 13:54:27 +08:00
50b6da0f89 executor: add limit implementation for CTEExec (#24870) 2021-06-03 16:26:27 +08:00
dbb753fd02 executor: create PipelinedWindowExec (#23022) 2021-06-03 15:38:27 +08:00
ad7102cdee planner: generate correct number of rows when all agg funcs are pruned (#24937) 2021-06-02 18:20:26 +08:00
b4f3ea6f6b cmd: add tests for CTE (#24907) 2021-06-02 15:07:37 +08:00
5d7c852770 planner: keep the original join schema in predicate pushdown (#24862) 2021-06-01 16:55:37 +08:00
a80047c604 CTE: support explain CTE plan (#24986) 2021-05-31 19:03:36 +08:00
39bd181213 *: Upgrade to go 1.16 && remove deprecated io/ioutil (#24527) 2021-05-25 12:07:34 +08:00
23ce65724a planner: rewrite LIKE as range for expression index (#24250) 2021-05-24 17:25:33 +08:00
163eb5f03c planner: Implement PointGet in TryFastPlan for range/list paritition table (#24588)
* implement PointGet in TryFastPlan for range/list partition
2021-05-22 01:23:53 +08:00
0f10bef470 domain, session: Add new sysvarcache to replace global values cache (#24359) 2021-05-17 22:13:39 +08:00
f135c534a5 plan: merge continuous selections and delete surely true expressions (#24214) 2021-05-10 23:25:37 +08:00
fb676b7697 Revert "planner: donot prune all columns for Projection (#24024)" (#24180) 2021-04-25 11:47:55 +08:00
336f30575f planner: fix index merge row count estimation logic (#23137) 2021-04-16 19:21:51 +08:00
4cd7fb0227 planner: donot prune all columns for Projection (#24024) 2021-04-16 18:17:52 +08:00
75a031af4a expression: check NotNullFlag of columns when simplifying binary operations (#24049) 2021-04-15 23:03:53 +08:00
045c6927ca planner: remove useless cast function in AggToProj (#23981) 2021-04-14 12:01:51 +08:00
f97496d0fc expression: Implementation of Vitess hashing algorithm. (#23493) 2021-04-06 23:00:32 +08:00
aee5819a20 *: change @@tidb_enable_clustered_index to ON/OFF/INT_ONLY (#23529) 2021-03-26 15:59:24 +08:00
6ba51c8eac plan: setting not null flag for extrak pk (#23237) 2021-03-18 17:27:36 +08:00
28c3748496 planner: remove some risky cache operations in the plan builder (#23354) 2021-03-18 15:35:11 +08:00
411dba25b1 *: deprecate alter-primary-key configuration (#23270) 2021-03-18 15:17:36 +08:00
9f7ed0f44a planner: push aggregation operators down to projection by default (#22090) 2021-03-17 16:20:56 +08:00
9c48b24cb1 *: add clustered index info in show index from stmt (#23329) 2021-03-16 20:16:55 +08:00
26ccbe972a *: create int primary key table as nonclustered by default (#23046) 2021-03-16 19:19:49 +08:00
5bafb3203e planner: show cast type in EXPLAIN in coptask (#23123) 2021-03-16 16:16:55 +08:00
920b70d97c planner: set right null flag for constant value (#23172) 2021-03-12 16:10:55 +08:00
1e985673ea planner: fix query range partition table got wrong result and TiDB panic (#22953) 2021-03-09 18:30:55 +08:00
50aec2b2d2 planner: enable column pruning for common handle (#22940) 2021-03-04 14:42:54 +08:00
e1004a2ccb *: modify the switch to control global stats (#22866) 2021-03-01 14:18:30 +08:00
806097c2e5 planner: fix wrong index merge selection (#22825) 2021-02-24 20:18:03 +08:00
2d48f9573c planner: decorrelate LogicalApply with inner join as the inner child (#22649) 2021-02-24 15:42:03 +08:00
04e5137f48 *: use explain format = 'brief' for tests (#22677) 2021-02-22 17:50:06 +08:00
c9e85ec701 expression: refine performance of EXTRACT function (#22701) 2021-02-19 15:31:27 +08:00
27db39b480 *: use CLUSTERED and NONCLUSTERED to control primary key type (#22409) 2021-02-05 20:41:41 +08:00
e62d1d472c *: add some explain tests for cluster index (#22720)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
2021-02-04 17:10:21 +08:00
3dd842f50a 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>
2021-01-13 18:24:21 +08:00
857e3da6eb planner: join reorder should not change the order of output columns (#16852) 2020-12-31 14:51:14 +08:00
d44e123395 planner: prevent agg push down if it is in the outer child of apply (#21902) 2020-12-22 16:43:26 +08:00
cf806f60e4 util/ranger: convert range condition like x >= 2 and x <= 2 to point condition x = 2 (#21809) 2020-12-22 14:07:54 +08:00
32d8cad845 server: double type column from table should ignore its decimal (#21788)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
2020-12-22 11:27:02 +08:00
f687ebd91c planner: fix correlated aggregates which should be evaluated in outer query (#21431) 2020-12-18 14:51:35 +08:00
fd587c3552 session: add a switch for index merge join (#21830)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
2020-12-18 11:05:05 +08:00
ab9cd019be *: make expression index as an experiment feature (#21721)
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
2020-12-14 20:52:44 +08:00
f0c6fa9c25 expression: fix compatibility of extract day_time unit functions (#21601)
Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com>
2020-12-11 17:13:21 +08:00
03f385de5f planner/core: use constant propagate before predicates push down (#21061) 2020-12-08 16:32:32 +08:00
e33b37789c planner: add projection if expand virtual generated column (#20478)
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
2020-12-03 21:42:49 +08:00