0ff5b50c15
planner: remove unnecessary first_row() functions ( #11723 )
2019-08-23 14:02:40 +08:00
69c0c3b1e8
Planner: Avoid injecting redundant projection below LogicalJoin ( #11662 )
2019-08-19 10:55:46 +08:00
8a161721f1
planner, expression: remove TblID2Handle from Schema ( #11152 )
2019-08-16 13:02:16 +08:00
fe038642e5
*: refactor cost model formulas and constants ( #10581 )
2019-08-07 17:44:09 +08:00
b97c0434db
executor: show CARTESIAN Join explicitly in the results of Explain ( #11415 )
2019-07-24 16:57:51 +08:00
3760c63dab
planner: propagate more possible props to enlarge search space ( #10548 )
2019-06-10 17:48:53 +08:00
efe9b6ab2a
planner/core: fix privilege check for update ( #10281 )
2019-04-30 13:06:54 +08:00
7666f688b3
*: add stats version in slow_query and slow log. ( #10082 )
2019-04-15 18:04:48 +08:00
175bae45e1
planer: tiny refine code to return as early as possible In convertToIndexScan and convertToTableScan. ( #10058 )
2019-04-12 13:49:13 +08:00
231ce8f75a
planner: change the cost formula for join reorder ( #9303 )
2019-02-19 18:46:06 +08:00
bc0e70dc5c
planner/core: implement skyline pruning ( #9337 )
2019-02-19 11:19:30 +08:00
9bdba3a5d1
plan: handle DNF expressions in Selectivity ( #9282 )
2019-02-13 10:53:12 +08:00
09a5c8028e
plan: derive col is not null from col op col conditions ( #8603 )
...
Check whether the `op` condition is null rejected, if yes, derive
`col is not null` for both sides of inner join, and for inner side
of outer join.
Also, remove duplicate conditions before pushing them down. Check
if the condition is mutable before removing duplicates.
For AntiSemiJoin, AntiLeftOuterSemiJoin and LeftOuterSemiJoin, do
not generate new `is not null` conditions.
2019-01-30 10:53:46 +08:00
dca815c1c5
expression: return error when doing ResolveIndices ( #8929 )
2019-01-15 14:34:06 +08:00
6bd8bddb12
planner/core: simple greedy join reorder based on CBO ( #8394 )
2018-12-07 16:34:19 +08:00
696ef7bae2
plan: convert in subquery to agg and inner join ( #7531 )
2018-10-30 19:19:32 +08:00
d65ce8655c
stats: fix estimation for out of range point queries ( #8015 )
2018-10-24 16:20:22 +08:00
b30dbd06ac
plan: support limit/group-by/order-by clauses in point get ( #7720 )
2018-09-17 21:18:44 +08:00
44e05789c3
plan: prune columns for LogicalTableDual ( #7725 )
2018-09-17 16:13:50 +08:00
418cdf2308
plan: use point get plan for UPDATE statement ( #7586 )
...
* plan: use point get plan for UPDATE statement
2018-09-04 07:56:42 +08:00
be2c276fe4
executor, plan: remove Exists ( #7207 )
2018-08-09 22:45:24 +08:00
44e6c3c2e1
plan, stats: fix inconsistent row count estimation ( #7233 )
2018-08-06 17:39:33 +08:00
a629630745
stats: refine the row count estimation for outdated stats ( #7175 )
2018-07-29 12:49:26 +08:00
1bf3f3d407
ranger: refine explain format, again ( #7041 )
2018-07-17 16:47:44 +08:00
372a6fc921
plan: refine explain result format ( #7011 )
2018-07-09 13:55:36 +08:00
6a931e55dc
plan: remove other accessPaths if one is unique key and full matched. ( #6925 )
2018-06-29 14:32:26 +08:00
c5524cb238
plan, executor: use CorrelatedColumn to calculate range. ( #6779 )
2018-06-28 16:23:05 +08:00
a7819c3385
plan: draw relation bewteen operators with indent ( #6894 )
2018-06-28 13:28:43 +08:00
1082b1a0f3
plan: refine the result of EXPLAIN statement ( #6755 )
2018-06-07 20:13:16 +08:00
b8539dc62a
plan, executor: fix the wrong result of merge join ( #6753 )
2018-06-05 13:23:52 +08:00
a214b754d1
plan, cmd: plan, cmd: improve the code readability of planner ( #6654 )
2018-05-28 13:29:54 +08:00
0b1b523a81
*:move explain_test to tidb repository ( #6555 )
2018-05-17 23:55:15 +08:00
