2d522dd590
planner: Add MPPPartitionType PassThroughType to mark PassThrough Exchange. ( #31766 )
...
* fix
* add tests
* simple
* fix test
* rename collect to passthrough
* add more comments
* add more tests
* fix test
* add more tests
* rename
* try fix wtf check_dev
* add some comment
* make rh
2022-01-21 21:42:07 +08:00
4b4984e6cc
planner: remove duplicate predicates in the Selection operator ( #28317 )
2021-10-28 15:18:49 +08:00
c5689a1d3f
planner: fix row count estimation for partially pushed down selections ( #25715 )
2021-08-18 14:17:59 +08:00
84a8b0f6ee
planner: don't extract hash keys from index join's OtherConds if inl_merge_join hint exists ( #24994 )
2021-08-18 11:28:00 +08:00
1c6c548334
planner: add missing column for Apply convert to Join ( #27246 )
2021-08-17 11:49:59 +08:00
e116573fbb
expression: push down mod() to TiFlash ( #26494 )
2021-07-27 12:50:15 +08:00
008d5e3fd2
parser, core: Implement force_index hint in parser and TiDB ( #23836 )
2021-07-01 17:39:26 +08:00
be63681161
expression: processing empty string for enum index correctly ( #25101 )
2021-06-04 17:28:28 +08:00
8da5a1f113
planner, expression: support enum index scan ( #22691 )
2021-04-28 15:59:56 +08:00
04e5137f48
*: use explain format = 'brief' for tests ( #22677 )
2021-02-22 17:50:06 +08:00
6742ed201d
planner/core: fix a bug of adding enforcer. ( #22086 )
2021-01-05 17:01:39 +08:00
d33b81b1ee
planner: fix distinct push across projection when read partition table ( #21060 )
2020-12-14 17:41:25 +08:00
39d8fcc71b
executor: fix value swapping and multi-updates in UPDATE statement ( #20493 )
2020-12-10 15:48:02 +08:00
084e7190b8
planner: fix unit test for tidb_opt_prefer_range_scan variable ( #21294 )
...
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
Co-authored-by: Yiding Cui <winoros@gmail.com >
2020-11-25 19:56:16 +08:00
a426a0e5ff
planner: disallow multi-updates on primary key ( #20603 )
2020-11-17 18:33:53 +08:00
5aada1f4ef
planner: add unit test for tidb_opt_prefer_range_scan variable ( #20672 )
2020-11-13 17:53:34 +08:00
66b241e440
planner: correlated column with unique constraint can help to eliminate MaxOneRow ( #20259 )
...
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-10-22 17:02:28 +08:00
4501f6d7ab
planner, executor: enable inline projection for Limit ( #20288 )
2020-10-19 10:55:13 +08:00
31bd7d8b3d
planner: rename optimizer hint TOPN_TO_COP() to LIMIT_TO_COP() ( #20022 )
2020-09-17 14:23:23 +08:00
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
af129d2116
planner: reset plan ID count when using nth_plan hint ( #18409 )
2020-07-10 09:46:34 +08:00
dce0e45bdf
planner, add hint nth_plan(x) to help user force a plan ( #17850 )
2020-07-01 15:34:22 +08:00
7ebcc20398
executor: support GROUP_CONCAT(ORDER BY) ( #16591 )
2020-05-06 18:41:22 +08:00
76b910edd1
planner: hints for index merge should check the DB name for a table ( #16519 )
2020-04-29 15:46:56 +08:00
637d3b8a44
planner: only push count distinct when child is DataSouce ( #16371 )
2020-04-16 13:04:33 +08:00
49ee75a0a5
planner, executor: enable inline projection for merge join ( #15463 )
2020-04-09 15:58:32 +08:00
77f970c48c
planner: fix push down distinct when need to inject projection ( #15997 )
2020-04-02 11:43:01 +08:00
4eb9ca3d3f
planner: push aggregation functions with distinct to cop ( #15500 )
2020-04-01 20:49:14 +08:00
dd141728a3
planner: add warning when the table name of indexHint cannot be found ( #15517 )
2020-03-27 11:32:14 +08:00
36e89f8220
planner: make multiple USE_INDEX_MERGE(t) hints take effect ( #15603 )
2020-03-24 13:38:32 +08:00
7a09249a74
planner: fix bug some cases index merge join hint doesn't work ( #15515 )
2020-03-23 18:05:31 +08:00
5268094afe
planner: correct the dbName for hint ( #15319 )
2020-03-17 22:20:13 +08:00
544e45eb54
planner, executor: fix rename sm_join to merge_join ( #15394 )
2020-03-17 18:32:13 +08:00
c1114b9724
planner, executor: enable inline projection for index joins ( #15004 )
2020-03-02 15:32:09 +08:00
6d00e2169b
planner: enable inline projection for hash join ( #14783 )
2020-02-28 16:28:10 +08:00
b64ad65636
planner: improve projection to keep order or keep index in some cases ( #14510 )
2020-02-26 14:02:36 +08:00
03705d1344
test: fix TestAggToCopHint ( #14741 )
2020-02-12 21:46:17 +08:00
74bc00dfa9
Improve the performance of WindowExec by using multi-thread hash grouping ( #14238 )
2020-01-16 21:04:16 +08:00
fe764a97a3
*: only add union scan when dirty table is not empty ( #14265 )
2019-12-31 13:20:27 +08:00
e979cff6bb
planner: add column mapping in explain result ( #13640 )
2019-11-27 16:39:19 +08:00
596fb64233
planner: support a hint to force using a IndexMerge path ( #12843 )
2019-11-27 15:44:25 +08:00
2baaf1f048
planner: support hint for IndexHashJoin and IndexMergeJoin ( #13238 )
2019-11-13 21:21:04 +08:00
f4ee90d06f
planner: correct block offset for table as names ( #12996 )
2019-11-11 17:46:29 +08:00
44a5ffe8a0
planner: support database name in optimizer hint ( #12932 )
2019-10-25 19:45:18 +08:00
c047835df1
planner: correct unit test for outer join simplification with cast ( #12782 )
2019-10-17 22:27:48 +08:00
15984f696d
planner, expression: fix simplify outer join with cast ( #12701 )
2019-10-15 16:42:03 +08:00
45bc789a0f
planner: stream agg should not be pushed to double read ( #12443 )
...
For the following two reason, we should not push stream agg down to double read
- The aggregate will lost the handle information
- There's no sort operator. The second read is ordered with pk, not by index.
2019-10-12 19:22:04 +08:00
fc577e705d
planner: retrieve optimizer hint scope change ( #12382 )
2019-10-08 12:09:46 +08:00
9d8ea995cb
planner/core: adjust generated hints of join operators ( #12318 )
2019-09-24 15:55:45 +08:00
ed9e973e50
util, planner: add more testSuite json files ( #12247 )
2019-09-18 13:59:46 +08:00
