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ae106f2e3b
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executor: support IndexMergeReaderExecutor (#12305)
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2019-12-31 15:30:58 +08:00 |
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fe764a97a3
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*: only add union scan when dirty table is not empty (#14265)
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2019-12-31 13:20:27 +08:00 |
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08be35d778
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planner: fix wrong stats for physical union scan (#14093)
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2019-12-19 10:37:16 +08:00 |
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9b7b2c0d50
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planner/core: fix bug when using generated column in aggregate statement (#14111)
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2019-12-18 14:46:47 +08:00 |
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493c07c439
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planner: correct row count estimation for inner child of index join (#13726)
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2019-12-12 17:06:05 +08:00 |
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c796205825
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planner: fix bug for logical rule outer join elimination (#13947)
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2019-12-10 15:56:26 +08:00 |
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de862fc620
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planner: do not push keep descending order to tiflash (#13572)
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2019-12-02 13:44:28 +08:00 |
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596fb64233
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planner: support a hint to force using a IndexMerge path (#12843)
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2019-11-27 15:44:25 +08:00 |
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aca3f47292
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*: Refactoring reading logic of virtual generate column (#12407)
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2019-11-13 17:39:53 +08:00 |
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ed070c496a
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planner: don't regenarate the same group by column when decorrelation (#12943)
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2019-10-31 17:02:13 +08:00 |
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63d1b1d0a3
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planner: do not convert filter to range for table scan with tiflash (#12682)
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2019-10-14 16:11:33 +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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1342cba5fe
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planner: set windowClause only in WindowFuncExpr (#11956)
* fix window
* tweak
* move test
* use filelist
* add explain test
* fix test
* fix
* fix
* fix test
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2019-09-25 16:00:17 +08:00 |
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8261a41223
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planner: make every plan explainable (#12183)
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2019-09-18 22:49:07 +08:00 |
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da6a7bdcab
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planner: explain a physicalPlan with IndexMerge in "dot" format (#12248)
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2019-09-18 16:06:15 +08:00 |
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96d4b1fe3c
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planner: display cop tasks when explain format is "dot" (#12225)
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2019-09-18 14:19:45 +08:00 |
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65edb2d83d
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planner: generate physical plan for IndexMergePath (#11245)
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2019-09-12 14:06:45 +08:00 |
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836d5f7b58
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planner/core: support generate hints from physical plan (#11936)
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2019-09-11 17:53:29 +08:00 |
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2307338ae7
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planner: generate index path as candidate when it is a single scan (#12022)
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2019-09-09 19:13:41 +08:00 |
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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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