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Mistakes corrected.

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TVC can be used in IN subquery and in PARTITION BY struct now.
Special variable to control working of optimization added.
This commit is contained in:
Galina Shalygina
2017-10-28 20:54:18 +02:00
parent 75370a58f4
commit a4ded0a9b5
34 changed files with 826 additions and 80 deletions
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14
mysql-test/r/insert_update.result
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@ -49,19 +49,19 @@ a b c
5 0 30
8 9 60
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL
8 9 60 NULL
2 1 11 NULL
explain extended SELECT *, VALUES(a) FROM t1;
explain extended SELECT *, VALUE(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 5 100.00
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUES(a)` from `test`.`t1`
explain extended select * from t1 where values(a);
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUE(a)` from `test`.`t1`
explain extended select * from t1 where value(a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings:
@ -160,8 +160,8 @@ a b c
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
ERROR 23000: Column 'c' in field list is ambiguous
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL