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 )
...
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 )
...
* 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 )
...
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
29178dfa8d
planner, executor: support broadcast join for tiflash engine. ( #17232 )
...
* support batch cop for tiflash
* support batch cop
* support join push down to tiflash
* refine
* change pb
* push join
* fix
* add hint
* refine hint
* add ranges
* fix
* fix
* fix push down
* fix index
* enable distsql for join
* add a session var to disable/enable broadcast join
* fix bug
* fix bug
* tiny fix
* enable cast decimal pushdown to tiflash
* fix
* fix bc join bug
* make broadcast plan stable
* refine code
* fix bug
* basic support for multi table broadcast join
* fix bug
* basic cbo for broadcast join
* improve
* fix bug
* remote useless code
* add tests
* pass unit tests
* refine code
* support execute summary info for broadcast join
* fix bug in explain for broadcast join
* format code
* remove un-needed code
* fix make dev
* address comments
* Hanfei/join merge (#7 )
* enable exec details for batch cop
* format code
* fix test
* change tidb_opt_broadcast_join to global vars
* Ban cartesian join to be pushed down to TiFlash (#8 )
* merge master (#10 )
* merge master
* fix bug
* fix bug
* fix ut
* check session var conflict
* Add perfer local hint for broadcast join (#12 )
* update
* remove useless code
* remove useless code
* update parser
* add test for prefer local join
* use bcj_local
* update go.mod
* refine planner
* refine comments
* fix make dev
* fix make dev
* update parser
* address comments
* fix make dev
* disable broadcast join when new collation is enabled
* Update planner/core/exhaust_physical_plans.go
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com >
* address comments
* fix
* address comments
* fix tests
* address comments
Co-authored-by: xufei <xufeixw@mail.ustc.edu.cn >
Co-authored-by: xufei <xufei@pingcap.com >
Co-authored-by: 虎 <ichneumon.hu@foxmail.com >
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com >
2020-07-27 12:41:36 +08:00
ace80c7411
planner: apply min-max eliminator on common handle columns ( #18589 )
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* planner: apply min-max eliminator on common handle columns
* reuse AccessPath.IsTablePath()
* planner: apply min-max eliminator on common handle columns
* address comments
* address comment
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-07-17 18:01:47 +08:00
79143d6fa1
planner: support keep order for clustered index ( #18590 )
2020-07-16 12:01:06 +08:00
af129d2116
planner: reset plan ID count when using nth_plan hint ( #18409 )
2020-07-10 09:46:34 +08:00
658132fcf3
planner: refactor handle columns ( #18391 )
2020-07-07 12:26:14 +08:00
daad2699dd
*: support clustered index for index join ( #18204 )
2020-07-01 16:15:51 +08:00
