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Bug#37601 Cast Is Not Done On Row Comparison

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In case of ROW item each compared pair does not
check if argumet collations can be aggregated and
thus appropiriate item conversion does not happen.
The fix is to add the check and convertion for ROW
pairs.
This commit is contained in:
Sergey Glukhov
2009-02-19 17:20:44 +04:00
parent ae9ea0414c
commit 6a9de01a95
5 changed files with 89 additions and 34 deletions
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18
mysql-test/t/row.test
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@ -237,3 +237,21 @@ SELECT ROW(a, 1) IN (SELECT SUM(b), 1) FROM t1 GROUP BY a;
SELECT ROW(a, 1) IN (SELECT SUM(b), 3) FROM t1 GROUP BY a;
DROP TABLE t1;
#
# Bug#37601 Cast Is Not Done On Row Comparison
#
create table t1 (a varchar(200),
b int unsigned not null primary key auto_increment)
default character set 'utf8';
create table t2 (c varchar(200),
d int unsigned not null primary key auto_increment)
default character set 'latin1';
insert into t1 (a) values('abc');
insert into t2 (c) values('abc');
select * from t1,t2 where (a,b) = (c,d);
select host,user from mysql.user where (host,user) = ('localhost','test');
drop table t1,t2;