diff options
Diffstat (limited to 'mysql-test/t/func_gconcat.test')
| -rw-r--r-- | mysql-test/t/func_gconcat.test | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test index db3536c6d36..cde9c1fcea3 100644 --- a/mysql-test/t/func_gconcat.test +++ b/mysql-test/t/func_gconcat.test @@ -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 |