database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fix of LP bug#992380 + revise fix_fields about missing with_subselect collection

Browse Source 
The problem is that some fix_fields do not call Item_func::fix_fields and do not collect with subselect_information.
This commit is contained in:
unknown
2012-05-25 10:29:53 +03:00
parent d56f5dae1e
commit f45784c850
7 changed files with 225 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
mysql-test/r/func_test.result
View File

@ -279,3 +279,44 @@ NULL
SELECT GREATEST(1.5E+2,1.3E+2,NULL) FROM DUAL;
GREATEST(1.5E+2,1.3E+2,NULL)
NULL
create table t1 (a int);
insert into t1 values (1), (100), (0), (NULL);
select not a from t1;
not a
0
0
1
NULL
explain extended select not a from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 100.00
Warnings:
Note 1003 select (`test`.`t1`.`a` = 0) AS `not a` from `test`.`t1`
select * from t1 where not a;
a
0
explain extended select * from t1 where not a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 0)
select not (a+0) from t1;
not (a+0)
0
0
1
NULL
explain extended select not (a+0) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 100.00
Warnings:
Note 1003 select (not((`test`.`t1`.`a` + 0))) AS `not (a+0)` from `test`.`t1`
select * from t1 where not (a+0);
a
0
explain extended select * from t1 where not (a+0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (not((`test`.`t1`.`a` + 0)))
drop table t1;