5601c45189
executor: Fix query hang on hash aggregate operator ( #6982 )
2018-07-04 17:44:40 +08:00
ef1b9dfae1
aggfuncs: partially implement "AVG" ( #6951 )
2018-07-03 15:41:23 +08:00
2292844f34
*: support session variable 'warning_count' and 'error_count' ( #6945 )
2018-07-02 19:00:24 +08:00
8db5811cb6
*: 'load data' should not use latches ( #6927 )
...
'load data' is not retryable when it meets conflicts, while latches may result in
false positive transaction conflicts. so enable latches will lead to 'load data'
abort abnormally, even there are no conflicts.
2018-07-02 11:53:12 +08:00
dd37138dc0
*: support parallel hash agg ( #6658 )
2018-06-29 22:59:47 +08:00
8c666359a5
executor: handle \N as NULL in load data statement ( #6873 )
2018-06-29 19:42:24 +08:00
cef2ebde62
*: support 'SHOW ERRORS' statment and reports errors in 'SHOW WARNINGS' statement ( #6936 )
2018-06-29 19:09:12 +08:00
afe45fd2ea
mockstore,tikv: fix that mocktikv ignore latches config ( #6932 )
2018-06-29 17:57:43 +08:00
3c05d77a17
executor: introduce a new execution framework for aggregate functions ( #6852 )
2018-06-29 16:52:56 +08:00
5a5aeb813a
expression, plan: no longer call expression.Clone in plan package except ResolveIndices ( #6866 )
2018-06-29 16:25:26 +08:00
753b295877
executor, types: fix bug of insert into unsigned float/double ( #6939 )
2018-06-29 14:48:16 +08:00
ab332eba2a
executor: BadNullError should be ignored by insert ignore statement ( #6465 )
2018-06-29 13:15:31 +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
6851878b9b
*: add session var 'tidb_ddl_reorg_worker_cnt' to control ddl reorg workers count ( #6441 )
...
* *: add session var 'tidb_ddl_reorg_worker_cnt' to control ddl reorg workers count
2018-06-27 22:36:18 +08:00
0ab0b50f25
stats: refine the pseudo condition for stats ( #6565 )
2018-06-27 17:05:37 +08:00
ebf0a9b87b
executor: reduce memory usage of insert select from statement ( #6891 )
2018-06-26 16:29:24 +08:00
0fbb980f9b
stats: refine stats delta update ( #6808 )
2018-06-26 13:51:23 +08:00
99aba76c90
*: Make 'IF NOT EXISTS' great again in 'CREATE TABLE IF NOT EXISTS LIKE' syntax ( #6896 )
2018-06-26 12:24:57 +08:00
a9360655e8
plan: fix a bug when 'only_full_group_by' is set in sql_mode ( #6734 )
...
when 'only_full_group_by' is set in sql_mode, raise error for non-aggregated column in query without GROUP BY.
mysql> create table t(a bigint, b bigint, c bigint); Query OK, 0 rows affected (0.02 sec)
mysql> select a, max(b) from t;
ERROR 1140 (42000): In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'dc_test.t.a'; this is incompatible with sql_mode=only_full_group_by
2018-06-25 17:03:00 +08:00
a507ff3547
executor: polish comment ( #6890 )
...
Improve documentation.
2018-06-25 11:23:33 +08:00
48719d2019
stats: refine index row count estimation ( #6869 )
2018-06-22 15:48:36 +08:00
35b68b63ac
expression, executor: extract expression to ProjExec from AggExec ( #6839 )
2018-06-22 15:25:44 +08:00
284fe1006e
*: support select from partition table ( #6642 )
2018-06-22 11:38:51 +08:00
7a08c62433
executor: start hash join inner/outer workers together ( #6856 )
2018-06-20 22:58:52 +08:00
3c0bfc19b2
executor: improve performance for insert ignore on duplicate key update statement ( #6760 )
2018-06-19 20:28:06 +08:00
3d7528cbb3
*: add tidb_hashagg_partial/final_concurrency ( #6831 )
2018-06-14 10:17:08 +08:00
e2c8c4e975
executor: init builder startTS in buildTableDual ( #6830 )
2018-06-13 20:03:57 +08:00
d2799801ae
test: fix leak test ( #6822 )
...
make sure close dom/store in all test.
2018-06-12 17:14:22 +08:00
69fdc8d610
plan: fix a bug in predicate push down phase. ( #6809 )
...
* plan: fix a bug in `predicate push down` phase.
2018-06-12 10:26:26 +08:00
d85334d3e9
executor, session: replace new line and add user in query log ( #6748 )
...
So we can grep a keyword to get the query, without the need to look up the query in the full log.
user name is also needed for auditing purpose.
2018-06-11 20:38:36 +08:00
37c41fd7ea
*: support 'show privileges' ( #6792 )
2018-06-11 15:43:14 +08:00
b812cb517e
expression, util: DecodeDecimal return real precision and frac ( #6732 )
2018-06-08 15:37:32 +08:00
12d4c5aea5
*: support 'show master status' ( #6785 )
2018-06-08 12:36:12 +08:00
8e00ca98f4
plan, parser: fix wrong LIMIT/ORDER BY check of the UNION statement ( #6783 )
2018-06-08 10:52:08 +08:00
39a8d0eb7a
executor: support parallel projection ( #6323 )
2018-06-07 22:50:54 +08:00
1082b1a0f3
plan: refine the result of EXPLAIN statement ( #6755 )
2018-06-07 20:13:16 +08:00
db4888a697
plan, parser: fix the wrong result of the UNION statement ( #6752 )
...
tidb diff result with mysql when mix use union and union-all fix #6731
- rename `selectStmt.UnionDistinct` to `selectStmt.IsAfterUnionDistinct`
- add explain test
- remove useless `unionStmt.Distinct` and `selectList.Distinct`
- refactor use golang slice, remove dup code
- return WrongNumColumnInSelect error and add test case
2018-06-07 17:08:26 +08:00
a54ab4270c
executor: gather all the error definitions together ( #6772 )
2018-06-07 10:58:03 +08:00
12a62e86b1
*: Fix select lock option for union statement ( #6579 )
...
If for update appears after order by or limit in union, then it is ignored.
If there is no order by or limit, it affects only the near select statement.
This locks both statements.
```
select * from t for update union select * from s for update;
```
This is syntax error:
```
(select * from t) union all (select * from s) for update;
```
2018-06-06 22:17:09 +08:00
96a5109ebb
types: handle NULL datum if we need convert it to string. ( #6761 )
...
* types: handle `NULL` when we need to
2018-06-06 20:15:48 +08:00
7227db3a0c
executor: fix drop user bug ( #6624 )
2018-06-06 17:13:28 +08:00
7314bdc69c
session: support tso when use tidb_snapshot ( #6749 )
2018-06-06 12:47:06 +08:00
a8feebee39
executor: make admin check table error more readable. ( #6617 )
2018-06-05 14:16:30 +08:00
b8539dc62a
plan, executor: fix the wrong result of merge join ( #6753 )
2018-06-05 13:23:52 +08:00
1327ebbf96
ddl: year type should not has unsigned flag ( #6745 )
2018-06-04 18:38:17 +08:00
30f16016d1
types: fix unsigned decimal check and negative overflow bugs ( #6721 )
2018-06-04 15:04:03 +08:00
64e3acadee
admin: admin check table do not use the timezone of session, it leads to false alarm. ( #6699 )
2018-06-04 14:14:04 +08:00
4a36ef721c
executor: DML use DatumRow ( #6720 )
2018-06-01 10:22:02 +08:00
950268b2aa
executor: don't output foreign keys in show create table statement. ( #6693 )
2018-05-30 16:14:51 +08:00
