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45f9d6a00f
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statistics: compute and store column order correlation with handle (#9315)
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2019-02-27 11:32:00 +08:00 |
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98b96cc769
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executor: speedup unit tests by spliting them into separate suites (#8618)
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2018-12-24 21:37:12 +08:00 |
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5831de291d
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*: enable range typed table partition (#8011)
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2018-10-26 20:04:07 +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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6220692e3b
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stats: limit the length of sample values (#7931)
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2018-10-18 15:30:43 +08:00 |
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7229b32a25
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*: support auto analyze partition table (#7789)
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2018-10-12 20:57:59 +08:00 |
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e7afbb2713
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*: make analyze buckets number configurable (#7619)
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2018-09-06 17:16:23 +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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1285088127
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executor, plan: support analyze partition table (#7190)
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2018-08-01 16:39:08 +08:00 |
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d0be70d6a2
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*: Support stream aggregation in new plan (#4481)
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2017-09-14 14:22:29 +08:00 |
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6f9457e373
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executor: use tearDownTest instead of defer (#4499)
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2017-09-12 01:02:41 -05:00 |
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0e438de9ff
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*: move sample collector from executor to stats (#4468)
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2017-09-08 12:21:10 +08:00 |
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96461f92cf
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plan: let explain show count (#4031)
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2017-08-04 18:15:43 +08:00 |
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26f622d1a7
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plan, executor: implement ExplainInfo() interface for data source operators (#3953)
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2017-08-01 13:08:24 +08:00 |
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c0c95199cd
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plan: implement ExplainInfo() interface for simple operators (#3883)
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2017-07-26 20:28:58 +08:00 |
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8ebe4c2549
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plan, executor, expression: refactor explain (#3809)
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2017-07-25 14:12:48 +08:00 |
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e0e77d3bac
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*: reduce analyze table read when table contains PK (#3783)
* *: reduce analyze table read when table contains PK
* fix ci
* *: address comment
* fix ci
* statistics：make comment more accurate
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2017-07-18 05:07:17 -05:00 |
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a81726a42f
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executor, statistics: analyze with null count. (#3336)
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2017-05-26 16:44:09 +08:00 |
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e7257d0e9d
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plan, executor: open the new plan switch for all test. (#3274)
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2017-05-16 20:40:12 +08:00 |
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588bf60f0c
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*: support analyze index (#3156)
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2017-05-01 19:42:46 +08:00 |
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16cefef717
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executor, statistics: use FM sketch to estimate NDV (#2966)
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2017-04-01 15:03:54 +08:00 |
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6c59d520e6
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*: remove stats switch. (#2846)
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2017-03-16 17:11:28 +08:00 |
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950583eaf8
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plan, tidb-server: add a flag to control statistic info reading. (#2565)
* plan, tidb-server: add a flag to control statistic info reading.
* pass test.
* address comment
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2017-01-30 11:29:43 +08:00 |
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4d9b70f0a6
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plan, executor: give special treat for index columns when analyze table (#2436)
* plan/statistics: statistics support add index info
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2017-01-26 11:24:53 +08:00 |
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