39d8fcc71b
executor: fix value swapping and multi-updates in UPDATE statement ( #20493 )
2020-12-10 15:48:02 +08:00
7007bb543b
planner: move partition prune test from expression pkg to planner/core pkg ( #21587 )
2020-12-10 10:01:28 +08:00
03f385de5f
planner/core: use constant propagate before predicates push down ( #21061 )
2020-12-08 16:32:32 +08:00
550c2c0c10
planner: natural join not consider rowid and null eq not propagate ( #21328 )
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Signed-off-by: lzmhhh123 <lzmhhh123@gmail.com >
2020-12-02 12:18:48 +08:00
084e7190b8
planner: fix unit test for tidb_opt_prefer_range_scan variable ( #21294 )
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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
8808a65d49
planner: fix should not use point get plan ( #21124 )
2020-11-24 11:54:54 +08:00
ceddc106f0
executor,planner/core,util/plancodec: extend executor.ShuffleExec and planner.core.PhysicalShuffle to support multiple data sources ( #20942 )
2020-11-24 10:59:03 +08:00
38bbb0dd21
planner: ban (index) merge join heuristically when convert eq cond to other cond ( #21138 )
2020-11-19 17:17:53 +08:00
a426a0e5ff
planner: disallow multi-updates on primary key ( #20603 )
2020-11-17 18:33:53 +08:00
f72cec77b6
*: support SQL bind for Update / Delete / Insert / Replace ( #20686 )
2020-11-17 15:19:04 +08:00
41786cb976
*: seperate hash keys from join keys in IndexJoin ( #20761 )
2020-11-16 16:24:51 +08:00
5aada1f4ef
planner: add unit test for tidb_opt_prefer_range_scan variable ( #20672 )
2020-11-13 17:53:34 +08:00
1804f4c53a
planner: generate proper hint for IndexHashJoin / IndexMergeJoin ( #20992 )
2020-11-12 17:28:54 +08:00
5a14eb592c
planner: fix index merge doesn't take effect when using prefix key ( #20425 )
2020-11-12 12:25:53 +08:00
a338e35932
expression: fix wrong inferred type for sum and avg ( #20926 )
2020-11-11 14:10:34 +08:00
3e306aeae0
planner: don't push down topN above outer join when topN refer scalar subquery expression ( #20099 )
2020-11-09 11:42:32 +08:00
76c1d28af9
planner: support complex join in broadcast join ( #20196 )
2020-11-05 16:29:35 +08:00
a53c1d05b1
expression: Support some cast functions push down to TiFlash ( #20787 )
2020-11-04 15:21:01 +08:00
a2e1aff6e5
*:Fix the bug of consistent plan but inconsistent plan digest ( #20660 )
2020-11-02 19:36:55 +08:00
ff428983e0
planner: estimate cardinality of agg / join by GroupNDV ( #18058 )
2020-10-27 11:09:57 +08:00
66b241e440
planner: correlated column with unique constraint can help to eliminate MaxOneRow ( #20259 )
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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
3ceceece2a
planner: choose index with larger NDV on join keys for IndexJoin ( #20250 )
2020-10-13 11:05:04 +08:00
ced01b2333
planner: estimate index row count using extended correlation stats ( #20160 )
2020-10-12 15:52:52 +08:00
462a53f79a
expression: utilize the flag of column arguments to simplify expressions ( #20149 )
2020-10-09 14:43:11 +08:00
b565ee0546
planner: prune duplicate expr in sort ( #20325 )
2020-10-02 23:38:29 +08:00
170e2fec92
*: collect multiple partitions and store in tidb (part II) ( #19899 )
2020-09-29 21:25:56 +08:00
421e87c5f1
planner: improve index merge row count estimation ( #19040 )
2020-09-27 18:06:36 +08:00
aceecf0732
executor: support new aggregate funtion APPROX_PERCENTILE ( #19799 )
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Signed-off-by: leiysky <leiysky@outlook.com >
2020-09-24 15:59:38 +08:00
fd0299f58e
*: remove simple rewriter ( #19828 )
2020-09-23 12:17:53 +08:00
151ef8492b
statistics: prioritize low selectivity indexes in the greedy search procedure of Selectivity() ( #20038 )
2020-09-22 19:17:42 +08:00
0684dba6c8
util/ranger: extract multi-column DNF conditions as access conditions ( #19211 )
2020-09-17 20:08:34 +08:00
ac844a7162
planner: fix bug of plan digest is same when cop task store is different ( #20054 )
2020-09-17 19:55:28 +08:00
31bd7d8b3d
planner: rename optimizer hint TOPN_TO_COP() to LIMIT_TO_COP() ( #20022 )
2020-09-17 14:23:23 +08:00
4b7c5db8ab
planner: add cluster index in explain info of point get plan ( #19867 )
2020-09-16 12:23:09 +08:00
f388b094df
planner: add optimizer hint TOPN_TO_COP() ( #19545 )
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* 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
1cab3d5947
*: fix bug of same type plans with different plan digest ( #19519 )
2020-09-01 21:55:20 +08:00
b78f4896fe
statistics, util/ranger: improve selectivity calculation for DNF filters ( #18741 )
2020-08-27 15:40:12 +08:00
e52cb3714e
planner: Do not pushdown unsupported function to tiflash in TopN operator ( #19363 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-08-25 17:20:18 +08:00
84e07a2a59
planner: propagate NDV of column groups across plan nodes ( #17854 )
2020-08-12 16:39:11 +08:00
3b35c89958
util/ranger: fix explain does not display range[NULL, NULL] ( #19028 ) ( #19068 )
2020-08-11 17:23:01 +08:00
f172a1e08a
planner: make some access paths check fit the clustered index ( #18998 )
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* planner: make some access paths check fit the clustered index
* add test
* add test for outer join elimination
* make test stable
* fix test
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-08-10 15:33:17 +08:00
3df573d2fc
planner,executor: use new table partition implementation and fix CI ( #18981 )
2020-08-06 17:50:40 +08:00
e49b4c0322
planner: support out join in broadcast join ( #18988 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com >
2020-08-06 13:24:17 +08:00
aeee1524e4
planner: fix the inappropriate heuristic rule to estimate the EQ selectivity when out of range ( #18543 )
2020-08-05 14:11:06 +08:00
4e829aaee7
planner,executor: fix index merge for partition table ( #18940 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-08-04 20:38:17 +08:00
950ca5062c
plan: optimize the performance of decodePlan for big union query ( #18891 )
2020-08-03 14:17:36 +08:00
5dd7cd8553
planner/core: implement Explain for the new partition table ( #18834 )
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Co-authored-by: lysu <sulifx@gmail.com >
2020-07-30 15:37:02 +08:00
56fd348d20
executor: support index merge on cluster index ( #18699 )
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* executor: support index merge on cluster index
* fix fmt
* fix
* fix
* fix
* fix
* address comments
* address comments
* address comments
* fix
* fix
* fix
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-07-27 18:09:32 +08:00
f3554241bb
planner, executor: support except and intersect set operator ( #18459 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-07-27 17:56:07 +08:00
