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04e661095c
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planner, statistics, sessionctx: add variable to enable/disable the outdated statistics to pseudo logic (#28554)
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2021-10-28 11:28:48 +08:00 |
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cb65b7a2f7
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statistics: improve out-of-range estimation strategy (#26502)
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2021-08-02 17:43:08 +08:00 |
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11716e7f4a
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*: use full sampling as default analyze (#25132)
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2021-06-06 00:34:27 +08:00 |
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7d5fe41470
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planner: support explain verbose mode (#23926)
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2021-04-15 18:23:53 +08:00 |
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32f6e333af
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planner: split test data from test cases in cbo_test.go (#22559)
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2021-04-03 00:33:24 +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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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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44641c3282
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planner: change the content of AnalyzeTableID to build global-stats (#22554)
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2021-02-02 15:39:44 +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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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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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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ced01b2333
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planner: estimate index row count using extended correlation stats (#20160)
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2020-10-12 15:52:52 +08:00 |
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170e2fec92
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*: collect multiple partitions and store in tidb (part II) (#19899)
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2020-09-29 21:25:56 +08:00 |
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151ef8492b
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statistics: prioritize low selectivity indexes in the greedy search procedure of Selectivity() (#20038)
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2020-09-22 19:17:42 +08:00 |
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3b35c89958
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util/ranger: fix explain does not display range[NULL, NULL] (#19028) (#19068)
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2020-08-11 17:23:01 +08:00 |
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3df573d2fc
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planner,executor: use new table partition implementation and fix CI (#18981)
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2020-08-06 17:50:40 +08:00 |
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aeee1524e4
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planner: fix the inappropriate heuristic rule to estimate the EQ selectivity when out of range (#18543)
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2020-08-05 14:11:06 +08:00 |
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daad2699dd
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*: support clustered index for index join (#18204)
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2020-07-01 16:15:51 +08:00 |
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94a722e2df
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statistics: improve estimation for index equal condition (#17366)
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2020-06-03 08:32:17 +08:00 |
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777907bcee
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planner: push agg below partition union all by default (#17262)
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2020-05-28 18:11:13 +08:00 |
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e8779717d9
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planner, expression: Remove the default asc order in explain result (#17074)
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2020-05-14 17:38:19 +08:00 |
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21ee980e11
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*: Refine Explain's format. (#15507)
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2020-03-23 17:57:49 +08:00 |
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183a9d585a
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*: update explain info of outer hash joins (#15247)
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2020-03-10 20:38:02 +08:00 |
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9e98f706ae
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planner, executor: support point get as a option of DataSource (#14775)
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2020-03-09 10:47:16 +08:00 |
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6d00e2169b
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planner: enable inline projection for hash join (#14783)
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2020-02-28 16:28:10 +08:00 |
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236352e98f
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*: show build and probe side for join and index lookup related operators in explain result (#14838)
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2020-02-26 17:12:09 +08:00 |
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dbcf5fbcc8
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planner: show cast type in EXPLAIN (#14942)
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2020-02-26 16:36:35 +08:00 |
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3399f4be31
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planner: distinguish FullScan and the RangeScan in explain/desc info (#14696)
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2020-02-24 15:23:06 +08:00 |
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a5e0660439
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coprocessor: let tiflash split range task consistent with tikv (#14710)
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2020-02-14 15:31:37 +08:00 |
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02408dbd04
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planner: support cost model for Chunk encode format. (#13461)
|
2019-12-18 15:47:16 +08:00 |
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e979cff6bb
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planner: add column mapping in explain result (#13640)
|
2019-11-27 16:39:19 +08:00 |
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889ad618cf
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planner: projection don't new unnecessary column (#13406)
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2019-11-20 13:58:38 +08:00 |
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2baaf1f048
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planner: support hint for IndexHashJoin and IndexMergeJoin (#13238)
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2019-11-13 21:21:04 +08:00 |
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6fd74f3e4c
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planner: support cost model for tiflash table scan (#12868)
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2019-10-29 16:05:51 +08:00 |
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7ffa4500e6
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planner: support a hint to read from tiflash in planner (#12479)
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2019-10-11 16:36:35 +08:00 |
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1fe9773726
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planner: introduce an individual physical plan for indexNestedLoopHashJoin (#12139)
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2019-09-24 21:18:45 +08:00 |
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ed9e973e50
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util, planner: add more testSuite json files (#12247)
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2019-09-18 13:59:46 +08:00 |
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