3b25069f84
evaluator: avoid evaluate independent subquery multiple times. ( #1144 )
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* evaluator: avoid evaluate independent subquery multiple times.
* ast: rename UseOuterContext to Correlated.
2016-04-22 12:51:18 +08:00
041dfd97c1
executor: evaluate subquery before executing outer query. ( #1133 )
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* executor: evaluate subquery before executing outer query.
So outer query can push down subquery values.
* evaluator: extract a function to evaluate subquery.
* evaluator: add comments on exported function.
2016-04-21 21:51:39 +08:00
6604c81f5a
*: fix issue#996 and handle prepared retry
2016-03-24 12:08:53 +08:00
8729b45bb6
*: add tests
2016-03-09 16:52:52 +08:00
af131d2127
executor: replace Executor interface{} with Datum.
2016-03-02 16:13:25 +08:00
3a25f68469
*: replace interface with Datum in ast.Row.
2016-03-02 15:32:42 +08:00
b5fbabc05e
*: Remove plan.go/stmt.go/rset.go
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Move interface into ast and remove interfaces.
2016-03-01 13:53:48 +08:00
b47cf737c8
*: add Table.Seek method and use handle for RowKeyEntry.
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Avoid calling `table/tables` methods in `executor`, makes `Table` interface independent.
2016-02-19 14:31:04 +08:00
9b17f3f319
executor: clean up.
2016-01-02 10:44:13 +08:00
0037ba7add
executor: move defer outside of for loop.
2015-12-21 17:53:26 +08:00
dcdb32dbde
plan. executor: support prepared statement.
2015-12-18 16:56:08 +08:00
4f565159d0
optimizer, executor: remove panic and Fatal, returns error instead.
2015-12-09 14:53:41 +08:00
949d92d6df
optimizer, executor: replace panic with log.Fatal
2015-12-07 18:39:51 +08:00
429716fc37
optimizer, executor: address comment.
2015-12-07 16:16:34 +08:00
c6888526ec
executor: pass more tests.
2015-11-17 21:50:00 +08:00
dc5565eb33
executor: use new plan for basic select.
2015-11-16 21:55:26 +08:00
c01af56fc3
executor, optimizer: new executor and optimizer implementation
2015-11-13 23:24:10 +08:00
