d97f091cb7
parser: parse position expression in parser, fix order by position.
...
The position expression, like "1" in "order by 1" was parsed ito `*ast.ValueExpr` in parser, replaced to position expression by resolver,
But flag setter sets flag before resolving process, so position flag is not set.
2015-12-15 14:04:13 +08:00
1e1ef8a0bd
*: Support connection_id()
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Fix: https://github.com/pingcap/tidb/issues/715
2015-12-14 14:40:55 +08:00
4436aff284
ast: use IsConstant function
...
address comment
2015-12-14 10:37:34 +08:00
b8504f4f1e
optimizer: fix build
2015-12-14 10:37:34 +08:00
6ab3b3cd6b
evaluator: use FlagConstant
2015-12-14 10:37:34 +08:00
16757fd9b0
optimizer: add comment. use constant flag.
2015-12-14 10:37:34 +08:00
c970ff6d4d
ast: move flag setter to ast
2015-12-14 10:37:34 +08:00
8337e63529
ast, optimizer: implement flag setter.
2015-12-14 10:37:34 +08:00
6222303129
ast, optimizer: add flag field for expression.
2015-12-14 10:37:34 +08:00
30ee5fd354
evaluator: funcCast set value directly without types.DataItem.
...
Other expression check `expr.GetValue() == nil` returns false when we wrap nil in DataItem.
2015-12-11 12:21:22 +08:00
2050c8dceb
evaluator: fix unary evaluation
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When unary operation is evaluated more than once, the old not nil value is not set when new value is evaluated to nil.
2015-12-10 13:15:52 +08:00
418a5fb326
optimizer/plan: fix import
2015-12-09 17:30:59 +08:00
bf90bfccc0
optimizer/plan: address comment.
2015-12-09 17:03:16 +08:00
674887a759
optimizer/plan: add missing format.
2015-12-09 15:17:15 +08:00
c674915062
evaluator, plan: address comment.
2015-12-09 15:13:45 +08:00
4f565159d0
optimizer, executor: remove panic and Fatal, returns error instead.
2015-12-09 14:53:41 +08:00
d5f82288d8
evaluator: use terror
2015-12-09 12:38:29 +08:00
77443be4e5
optimizer, executor, evaluator: address comment.
2015-12-07 19:56:39 +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
0c265b9b42
optimizer, executor: fixes between range.
2015-12-07 14:41:04 +08:00
de05f0b893
optimizer: rename file.
2015-12-07 11:42:46 +08:00
9448297dd3
optimizer: rename binder to resolver. address comment.
2015-12-07 11:40:24 +08:00
a08b521b76
ast: address comment.
2015-12-07 10:12:46 +08:00
aae5b163b8
optimizer: add more comments for validator.
2015-12-04 11:53:19 +08:00
35815fe88b
optimizer/plan: fix ColumnNameExpr condition check.
2015-12-04 11:36:24 +08:00
44e2c7c8df
optimizer/evaluator: add more tests.
2015-12-02 13:17:28 +08:00
01d33e9261
evaluator: add tests.
2015-11-30 20:58:50 +08:00
3a491e7c2c
optimizer/plan: handle not between range, fix column name range.
2015-11-30 16:21:01 +08:00
ea1b7d5a6b
optimizer: reorganise files, add tests.
2015-11-27 19:40:24 +08:00
962ae7b258
optimizer: remove condition normaliser, handle AND in checker and range builder
2015-11-27 11:52:47 +08:00
19d52ba0e9
optimizer, executor: pass test.
2015-11-26 21:17:44 +08:00
cf9a23d23b
optimizer, executor: build ranges for more expression, pass more tests.
2015-11-26 20:02:28 +08:00
3ba316fe55
optimizer, executor: use index range
2015-11-25 21:44:55 +08:00
f3e62b87ec
optimizer: add static evaluator and range builder.
2015-11-24 20:44:12 +08:00
96ff5b0e25
executor: use index.
2015-11-24 14:16:27 +08:00
49bc1c8d9c
executor: fix bugs, pass more tests.
2015-11-18 17:19:43 +08:00
2be0453f2f
executor: fix build after merge.
2015-11-18 11:16:47 +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
69dc388d65
optimizer: define what kind of statement is supported to use new plan.
2015-11-16 13:24:15 +08:00
c01af56fc3
executor, optimizer: new executor and optimizer implementation
2015-11-13 23:24:10 +08:00
70106799b2
Merge branch 'master' into coocood/binder-test
2015-11-06 10:56:53 +08:00
b24f320d55
parser: remove old parser and move ast/parser to /parser.
2015-11-05 16:03:26 +08:00
9be82dbe27
ast: address comment.
2015-11-05 14:14:40 +08:00
ea2cb596fb
optimizer: implements case expression.
2015-11-04 19:47:08 +08:00
7e06d559d6
optimizer: remove unused binder error type.
2015-11-04 16:47:30 +08:00
bebfc02205
optimizer: update info binder, add more tests.
2015-11-04 16:43:26 +08:00
3b817ffc05
optimizer: add binder test.
2015-11-03 15:54:09 +08:00
6b8a39523f
ast/parser: add tests and fix bugs.
2015-11-03 13:53:46 +08:00
