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2a155f4eaf
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planner: use ExtraHandleColumn as PK when generating TablePath (#11959)
* use ExtraHandleColumn as PK
* fix fmt
* move unittest to explaintest
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2019-09-02 17:03:06 +08:00 |
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dc1f8ff031
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planner: don't prune sleep function in LogicalProjection (#11927)
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2019-08-30 16:35:06 +08:00 |
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fc739762c3
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executor: refine the usage of expression blacklist (#11940)
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2019-08-30 13:29:22 +08:00 |
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39f83c1220
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planner: support predicate pushdown for Window (#11915)
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2019-08-29 14:23:36 +08:00 |
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c59933323a
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expression: fix constItem() and column-pruning in order by clause (#11839)
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2019-08-28 16:59:35 +08:00 |
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2009741d57
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planner: increase default concurrency factor of cost computing (#11752)
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2019-08-16 17:37:16 +08:00 |
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103cbcd5c5
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planner: rewrite in as eq when the rhs list has only one item
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2019-08-16 11:07:59 +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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03bb8d7818
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stats: convert small range to points in selectivity (#11524)
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2019-08-05 10:45:51 +08:00 |
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b17848b880
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stats: fix estimation for time equal conditions (#11511)
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2019-07-29 19:56:50 +08:00 |
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f8912049f5
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*:add opt_rule_blacklist in mysql tables. (#11096)
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2019-07-24 13:36:29 +08:00 |
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3a1ba358a4
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planner: fix bugs and make it more effective in outer join eli… (#11160)
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2019-07-23 13:13:05 +08:00 |
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3847ec8466
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planner: fix a corner case in column pruning rule (#10974)
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2019-07-01 12:52:55 +08:00 |
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0d984d8ffc
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executor: locks key in point get executor for pessimistic transaction (#10972)
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2019-06-28 14:06:43 +08:00 |
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b83e333871
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planner, cmd: correct the behavior of IndexJoin hint for SemiJoin (#10583)
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2019-05-23 23:25:18 -07:00 |
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9b74130e49
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cmd: add more explaintests for generated columns (#10373)
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2019-05-08 17:23:15 +08:00 |
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0106361cd9
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expression: let PushDownNot does not change the argument (#10363)
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2019-05-06 16:22:19 +08:00 |
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f9c82b531c
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plan: improve row count estimation using column order correlation (#9839)
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2019-04-24 16:19:21 +08:00 |
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8800ec195a
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plan: push down constant filters over join properly (#9848)
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2019-04-04 15:50:32 +08:00 |
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4c91f53e1f
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planner: do not eliminate group_concat in aggregate elimination (#9967)
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2019-04-01 12:21:19 +08:00 |
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e829920934
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planner: fix plus prefix for select constant (#9707)
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2019-03-21 10:51:59 +08:00 |
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0b28f30cfd
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planner: improve row count estimation for index range containing correlated columns (#9738)
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2019-03-19 15:38:59 +08:00 |
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4454461609
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planner: fix point get with PK and UK (#9737)
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2019-03-15 12:54:29 +08:00 |
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7f27f7daba
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planner, executor: set new child after injecting Project operator (#9684)
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2019-03-13 14:19:32 +08:00 |
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0bec639074
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planner: correct ExpectedCnt for children plans of join (#9497)
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2019-03-11 15:08:02 +08:00 |
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85c4553c4e
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planner: chose outer table based on cost when both tables are specified in TIDB_INLJ (#9579)
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2019-03-08 13:25:44 +08:00 |
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0267a7fbdf
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ddl: validate fsp for datetime/timestamp if they are used as defaultvalue of datetime/timestamp columns (#9327)
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2019-03-04 11:19:11 +08:00 |
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5a283a98dd
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plan/executor: make semi joins null and empty aware (#9051)
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2019-02-25 15:42:38 +08:00 |
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f105b710ca
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planner: remove correlated column sort items (#9435)
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2019-02-25 14:48:44 +08:00 |
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38a453d29c
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expression: should not pass nil pointer to HashCode() function (#9324)
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2019-02-21 21:18:03 +08:00 |
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7c0a9a7c57
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add integration tests for access path selection (#9212)
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2019-02-18 19:08:24 +08:00 |
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c468f02bb0
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planner: remove constant sort items after substitution (#9333)
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2019-02-18 10:57:35 +08:00 |
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18ff4f953e
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planner/core: refine explain for window function (#9270)
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2019-02-13 15:23:00 +08:00 |
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9bdba3a5d1
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plan: handle DNF expressions in Selectivity (#9282)
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2019-02-13 10:53:12 +08:00 |
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e1667966ac
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planner: fix assertion failure on LogicalJoin.EqualConditions (#9066)
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2019-02-11 11:45:15 +08:00 |
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776c90fa79
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planner: check null and empty for != any(subq) and = all(subq) (#9106)
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2019-01-21 16:17:48 +08:00 |
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3c98f69266
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*: support select partition for partition table (#8990)
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2019-01-14 20:55:52 +08:00 |
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431c884721
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cmd/explaintest: tiny change to make it stable (#8740)
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2018-12-19 10:40:15 +08:00 |
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6a99fa25d7
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executor: fix union dual table order by but not sort (#8251)
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2018-11-13 15:27:18 +08:00 |
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19c01f40e0
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planner: fix error caused by different length between inner and outer OrderByItems (#8273)
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2018-11-13 11:17:32 +08:00 |
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cd5ffb3b32
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planner: support join elimination rule (#8021)
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2018-11-09 21:31:29 +08:00 |
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60d05bd759
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planner: eliminate ifnull in expression rewriting process (#7996)
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2018-11-02 12:50:27 +08:00 |
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696ef7bae2
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plan: convert in subquery to agg and inner join (#7531)
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2018-10-30 19:19:32 +08:00 |
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a4cff40a18
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support _tidb_rowid for table scan range (#8047)
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2018-10-25 20:35:45 +08:00 |
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19f56480d5
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explaintest: add explain test for partition pruning (#7505)
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2018-10-18 18:55:22 +08:00 |
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6e525f9e62
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planner: eliminate if null on non null column (#7924)
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2018-10-17 22:20:32 +08:00 |
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d60a1a227b
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plan: build anti semi join for NOT EXISTS (#7842)
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2018-10-09 16:57:15 +08:00 |
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f33e04f486
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expression: make sysdate unfoldable (#7838)
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2018-10-08 16:47:45 +08:00 |
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177c155161
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plan: exclude IsNull from constant propagation (#7835)
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2018-10-08 14:47:13 +08:00 |
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869e20138a
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plan: refine the handle check to use point get plan for prepare statement (#7732)
|
2018-09-25 11:32:12 +08:00 |
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