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45 Commits

Author SHA1 Message Date
Shen Li
e3597b6548 Add Datum.IsNull() fucntion (#1298) 
Add IsNull function for Datum to simplify null check.
 2016-06-07 23:35:25 +08:00
Han Fei
10359b0052 rewrite executor. (#1294) 
* rewrite executor.
 2016-06-07 20:32:15 +08:00
zimulala
d9569a6801 *: Support date_format (#1295) 
* *: support date_format

* evaluator: update yearweek function
 2016-06-06 18:49:06 +08:00
zimulala
0373895334 *: Support time (#1282) 
* *: support time
 2016-06-02 10:48:09 +08:00
Ewan Chou
75f089d056 util/types: clean up, removed unused code. (#1281) 2016-06-02 10:42:36 +08:00
zimulala
61532d7c4e *: Support monthname (#1279) 
* *: support monthname
 2016-06-01 14:02:53 +08:00
Han Fei
f9c31d9130 Hanfei/rewrite plan (#1272) 2016-06-01 13:12:55 +08:00
Ewan Chou
f09574d826 *: support sql mode (#1263) 2016-05-30 13:16:41 +08:00
zimulala
86fe54dadc *: Fix issue 1118 (#1259) 
* *: fix issue 1118
 2016-05-26 12:49:43 +08:00
Han Fei
228f1d7026 support hash join in new plan (#1234) 
* support hash join.

* fix some errors

* add test for predicate push down

* change substitutor...

* add bench mark

* change comment

* fix bug.
 2016-05-19 15:43:16 +08:00
Ivan.Yang
55ed68ca6c add builtin-reverse func (#1224) 2016-05-13 20:53:55 +08:00
zimulala
2e355f3749 *: Fix issue#1114 (#1231) 
* *: supprot assignment

* *: fix issue 1114
 2016-05-13 11:26:26 +08:00
Shen Li
0841dbef9b *: Support builtin function round(X), round(X, D) (#1208) 
Support builtin function round(X), round(X, D)
 2016-05-07 13:38:02 +08:00
Shen Li
887f819a41 *: Support Mod(N, M) (#1194) 
*: Support Mod(N, M)

Fix: https://github.com/pingcap/tidb/issues/1193
 2016-05-04 10:26:22 +08:00
Ewan Chou
3671f3958f xapi: support IN expression push down. (#1147) 
* xapi: support IN expression push down.
 2016-04-25 19:50:33 +08:00
zyguan
4ced2f7e10 *: implement some other builtin functions (#1137) 
Support ISNULL(), LTRIM(), RTRIM(), LCASE() and UCASE().
Add alias for LOWER() and UPPER().
 2016-04-23 21:04:26 +08:00
Ewan Chou
3b25069f84 evaluator: avoid evaluate independent subquery multiple times. (#1144) 
* evaluator: avoid evaluate independent subquery multiple times.

* ast: rename UseOuterContext to Correlated.
 2016-04-22 12:51:18 +08:00
disksing
d78e4044cc *: fix misspells (#1143) 2016-04-22 11:30:37 +08:00
Ewan Chou
041dfd97c1 executor: evaluate subquery before executing outer query. (#1133) 
* 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
zxylvlp
c26dfd54e4 executor: Change interface to datum in executor. (#1103) 
Change interface to datum in executor.
 2016-04-20 09:52:23 +08:00
zyguan
cd3d424252 evaluator: partially fix issue #1098 (#1100) 
Fix the incorrect behavior of `substring` function, multi-byte charset still hasn't been supported.
 2016-04-17 00:43:30 +08:00
zyguan
8c164bc078 evaluator,parser: support ASCII(). (#309) (#1083) 
* evaluator: add a builtin function wanted by #310.

* parser: update parser for ASCII().
 2016-04-14 01:53:50 -05:00
zxylvlp
bebacf4f3a evaluator: just one time eval (#1062) 
* evaluator: just one time eval
 2016-04-12 12:34:27 +08:00
zimulala
08034540f0 *: Add leak test 
* *: add leak test and tiny clean up

* *: unify test format and add leak test

Conflicts:
	store/localstore/compactor_test.go
	mysql/error_test.go
*: add leak test
 2016-04-07 20:53:45 +08:00
Neil Shen
d01d516105 evaluator, parser: support UTC_DATE() 
* evaluator, parser: support UTC_DATE()

Fix issue: #236.
 2016-04-05 21:25:04 +08:00
zhaoxingyu
86f4459543 util: Reserve mysql.Time change. 2016-03-31 18:49:17 +08:00
zhaoxingyu
afdf9a4ef6 Change mysql.Time to ptr in datum. 
In this way, we can save the cost of the alloc of mysql.Time in interface.
In the future, we will change all mysql.Time to ptr to save the cost of copy mysql.Time struct.
 2016-03-29 18:42:16 +08:00
zhaoxingyu
49471419a8 evaluator: fix a bug in checkInList. 
Fix a bug in checkInList.
 2016-03-25 14:38:17 +08:00
zhaoxingyu
419f244031 evaluator: change interface to datum in evaluator package. 
Change the remaining string functions.
 2016-03-25 12:01:58 +08:00
shenli
5fd28ea1b2 *: Fix go vet shadow 2016-03-23 10:32:29 +08:00
zhaoxingyu
2ef0c56ccc Make some change. 2016-03-22 16:12:07 +08:00
zhaoxingyu
abeea90449 evaluator: change the remaining string functions. 
Change the remaining string functions.
 2016-03-22 14:04:23 +08:00
zhaoxingyu
1ba2f08a71 evaluator: change concat_ws, left, length, lower, repeat, upper. 
Change the interfaces of concat_ws, left, length, lower, repeat, upper to datums.
 2016-03-21 20:09:54 +08:00
zhaoxingyu
c960c81d86 evaluator: Change the interfaces of builtinConcat to datums. 
Change the interfaces of builtinConcat to datums.
 2016-03-21 16:31:03 +08:00
zhaoxingyu
ac76b071b3 evalutator: change the shadowed err 
Change the shadowed err to err1.
 2016-03-16 15:58:30 +08:00
zhaoxingyu
47cb1d6626 evaluator: change math and time parma interface to datum 
Change math and time parma interface to datum.
 2016-03-16 13:03:54 +08:00
zhaoxingyu
0fa8df585a evaluator: change SetDatum and implement ToBool, ToInt 
Change SetDatum and implement ToBool, ToInt.
 2016-03-11 19:58:40 +08:00
zhaoxingyu
5a81a2f5d4 evaluator: change Get/SetValue to Get/SetDatum. 
Chnage Get/SetValue to Get/SetDatum in evaluator.go .
 2016-03-11 13:37:58 +08:00
zhaoxingyu
352c27829a evaluator: move date_add and date_sub to buildin 
Move the evaluate of ast function date_add and date_sub to builtin.
 2016-03-10 19:04:33 +08:00
zhaoxingyu
79962174ef evaluator: move the files in buildin package to evaluator package 
Move the files in buildin package to evaluator package.
 2016-03-10 10:03:47 +08:00
zhaoxingyu
f4bf763d27 evaluator: move the evaluate of ast function trim to buildin 
Move the evaluate of ast function trim to builtin.
 2016-03-09 18:06:16 +08:00
zhaoxingyu
02ccdc363a evaluator: move the evaluate of ast function substring_index and locate to buildin 
Move the evaluate of ast function substring_index and locate to buildin.
And Change some logic in locate function to make its behavior more similar with MySQL.
 2016-03-08 17:30:43 +08:00
zhaoxingyu
afd369e042 evaluator: move the evaluate of ast functions to buildin 
Move the evaluate of ast functions extract, convert and substring to buildin.
 2016-03-08 10:50:14 +08:00
shenli
a9d0039573 *: Add Coerce before compare for PatternInExpr 
Fix sqllogic test
 2016-03-07 14:34:55 +08:00
shenli
043ebd5ec8 *: Refactor package organization 
1. Move evaluator from optimizer to root dir.
2. Move builtin from expression to evaluator.
3. Remove expression package.
 2016-03-02 13:48:22 +08:00