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cc24101d97
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statistics: fix repetitive selectivity accounting and stabilify the result (#15536)
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2020-04-03 15:50:09 +08:00 |
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2c6f4468a0
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statistics: fix row count estimation of unique composite index (#14076)
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2019-12-16 19:05:13 +08:00 |
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7b09a11f17
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planner,stats: don't re-calculate the index's ranges (#12856)
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2019-12-04 17:19:48 +08:00 |
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e979cff6bb
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planner: add column mapping in explain result (#13640)
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2019-11-27 16:39:19 +08:00 |
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5069939d74
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stats: specially handle unqiue key when estimate (#13354)
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2019-11-11 17:52:30 +08:00 |
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f9be8ebf85
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*: make log_level working for gotest (#13258)
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2019-11-08 14:44:39 +08:00 |
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36f0f37b40
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expression, planner: remove some fields from `expression.Colum… (#12573)
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2019-10-29 15:48:26 +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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e2b1f7eff8
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expression: change the String() method of expression.Column (#12089)
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2019-09-16 14:30:22 +08:00 |
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fe038642e5
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*: refactor cost model formulas and constants (#10581)
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2019-08-07 17:44:09 +08:00 |
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abbca5375e
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*: add trace support for subquery (#11182)
Test pass, auto merge by Bot
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2019-07-24 19:03:47 +08:00 |
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0d563f1e2d
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stats: fix unstable test (#10953)
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2019-06-27 13:51:16 +08:00 |
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3f4f3d0bd9
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stats: improve code coverage (#10606)
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2019-06-12 13:34:41 +08:00 |
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e5f734e54c
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*: move the Handle of stats to single package. (#10149)
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2019-04-17 13:42:34 +08:00 |
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2e14068ee1
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*: improve NULL count estimation for single column index (#9474)
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2019-03-30 19:22:30 +08:00 |
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560e8cfe57
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*: sleep 0 when retry whole transaction (#9454)
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2019-03-02 13:16:28 +08:00 |
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bc0e70dc5c
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planner/core: implement skyline pruning (#9337)
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2019-02-19 11:19:30 +08:00 |
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82d2726300
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planner, statistics: build new histogram using range information (#7921)
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2019-01-14 20:33:36 +08:00 |
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98c72c6a8e
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stats: optimize unit test execution time (#8597)
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2018-12-06 17:30:20 +08:00 |
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e195df2e5d
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stats: fix selectivity estimation for primary key (#8134)
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2018-11-01 20:38:08 +08:00 |
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89dda9d9a8
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*: move parser to a separate repository (#8036)
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2018-10-25 11:12:10 +08:00 |
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d65ce8655c
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stats: fix estimation for out of range point queries (#8015)
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2018-10-24 16:20:22 +08:00 |
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dcf3816c09
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stats: fix panic caused by empty histogram (#7912)
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2018-10-16 18:58:37 +08:00 |
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d5d8ba09a3
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stats: fix combined index low-bound check (#7814)
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2018-10-08 14:30:43 +08:00 |
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e79bd946ed
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*: change package name from plan to planner (#7760)
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2018-09-25 11:16:39 +08:00 |
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87c54b2610
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plan, statistics: maintain HistColl in DataSource's StatsInfo (#7385)
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2018-08-31 01:14:43 +08:00 |
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00839ceeec
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stats: support loading partition stats (#7305)
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2018-08-09 20:00:03 +08:00 |
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343cb849b8
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*: fast path point select (#6937)
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2018-07-30 18:13:47 +08:00 |
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a629630745
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stats: refine the row count estimation for outdated stats (#7175)
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2018-07-29 12:49:26 +08:00 |
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1bf3f3d407
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ranger: refine explain format, again (#7041)
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2018-07-17 16:47:44 +08:00 |
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34d8fd8d8d
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plan, statistics: extract histColl struct (#6860)
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2018-07-13 14:42:07 +08:00 |
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372a6fc921
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plan: refine explain result format (#7011)
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2018-07-09 13:55:36 +08:00 |
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6a931e55dc
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plan: remove other accessPaths if one is unique key and full matched. (#6925)
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2018-06-29 14:32:26 +08:00 |
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a7819c3385
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plan: draw relation bewteen operators with indent (#6894)
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2018-06-28 13:28:43 +08:00 |
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48719d2019
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stats: refine index row count estimation (#6869)
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2018-06-22 15:48:36 +08:00 |
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7853035f8a
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stats: fix estimation for between row count (#6596)
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2018-05-22 11:07:28 +08:00 |
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58326c844e
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stats: fix pseudo selectivity for primary key (#6302)
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2018-04-18 10:10:03 +08:00 |
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905eda7ff5
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stats: fix row estimation for pseudo unique key (#6199)
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2018-04-02 20:27:58 +08:00 |
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501de19821
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stats: add average column size for the histogram (#5974)
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2018-03-23 13:44:24 +08:00 |
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f287451eed
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tidb: move tidb/*.go to session directory (#6062)
This change makes our top level directory clean.
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2018-03-20 09:06:11 -05:00 |
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4e1a114e68
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*: move package context to sessionctx (#5890)
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2018-02-22 18:03:38 +08:00 |
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3cff21e5b1
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plan, executor: avoid children type assertion. (#5616)
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2018-01-12 15:39:50 +08:00 |
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ecbd60c3ff
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*: add arguement StatementContext to Encode functions. (#5566)
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2018-01-06 17:31:08 +08:00 |
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c45111d9f6
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stats: use more compact structure for histograms (#5539)
* stats: use more compact structure for histograms
* address comments
* address comments
* refine code
* address comment
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2018-01-05 20:43:01 +08:00 |
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01f132ed39
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stats: fix bug when estimating row count for outdated histograms (#5552)
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2018-01-04 14:31:25 +08:00 |
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b901867b83
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util/ranger: change BuildRange to build column/index/table range (#5509)
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2017-12-27 06:16:19 -06:00 |
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801c317896
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statistics: benchmark selectivity function (#5441)
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2017-12-18 20:54:22 -06:00 |
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62b4b0f866
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ranger, stats: remove Align method of IndexRange. (#5240)
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2017-11-28 20:02:24 +08:00 |
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6d5bb7c23e
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plan, executor: split selection to logical plan and physical plan. (#5235)
* plan, executor: split selection to logical plan and physical plan.
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2017-11-27 22:01:45 -08:00 |
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03023ca443
|
stats: fix estimation in between row count (#5135)
|
2017-11-17 16:48:34 +08:00 |
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