1#
2# Bug #29207450 TINYTEXT COLUMN TAKES LONG TIME IN THE GROUP BY OPERATION.
3#
4create table t1 (id serial primary key auto_increment,a varchar(100),b varchar(100));
5create table t2 (id serial primary key auto_increment,a varchar(100),b tinytext);
6insert into t1 (a, b) values('a', '746d847beb7e'),('a','746d847beb7e'),('a', '746d847beb7e'),('a','746d847beb7e'),('a','746d847beb7e');
7insert into t1 (a, b) select 'a', '746d847beb7e' from t1 t1,t1 t2,t1 t3,t1 t4;
8insert into t1 (a, b) select 'a', '746d847beb7e' from t1 t1,t1 t2;
9insert into t2 (a, b) values('a', '746d847beb7e'),('a','746d847beb7e'),('a', '746d847beb7e'),('a','746d847beb7e'),('a','746d847beb7e');
10insert into t2 (a, b) select 'a', '746d847beb7e' from t2 t1,t2 t2,t2 t3,t2 t4;
11insert into t2 (a, b) select 'a', '746d847beb7e' from t2 t1,t2 t2;
12select count(*) from t1;
13count(*)
14397530
15select count(*) from t2;
16count(*)
17397530
18set global internal_tmp_disk_storage_engine = 'innodb';
19select b, count(*) from t1 group by b;
20b	count(*)
21746d847beb7e	397530
22select b, count(*) from t2 group by b;
23b	count(*)
24746d847beb7e	397530
25set global internal_tmp_disk_storage_engine = 'myisam';
26select b, count(*) from t1 group by b;
27b	count(*)
28746d847beb7e	397530
29select b, count(*) from t2 group by b;
30b	count(*)
31746d847beb7e	397530
32set global internal_tmp_disk_storage_engine = default;
33drop table t1, t2;
34