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Merge mysql.com:/usr/home/bar/mysql-4.1.b23451v2

into  mysql.com:/usr/home/bar/mysql-5.0.b23451
This commit is contained in:
bar@mysql.com/bar.intranet.mysql.r18.ru
2006-11-08 17:03:37 +04:00
3 changed files with 122 additions and 3 deletions

View File

@@ -461,3 +461,38 @@ SELECT GROUP_CONCAT(a), x
GROUP BY x;
DROP TABLE t1;
#
# Bug#23451 GROUP_CONCAT truncates a multibyte utf8 character
#
set names utf8;
create table t1
(
x text character set utf8 not null,
y integer not null
);
insert into t1 values (repeat('a', 1022), 0), (repeat(_utf8 0xc3b7, 4), 0);
let $1= 10;
while ($1)
{
eval set group_concat_max_len= 1022 + $1;
--disable_result_log
select @x:=group_concat(x) from t1 group by y;
--enable_result_log
select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12);
dec $1;
}
drop table t1;
set group_concat_max_len=1024;
set names latin1;
#
# Bug#14169 type of group_concat() result changed to blob if tmp_table was used
#
create table t1 (f1 int unsigned, f2 varchar(255));
insert into t1 values (1,repeat('a',255)),(2,repeat('b',255));
--enable_metadata
select f2,group_concat(f1) from t1 group by f2;
--disable_metadata
drop table t1;
# End of 4.1 tests