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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //home/usr.opt/mysql57/mysql-test/suite/innodb/r/tinytext-groupby.result |
#
# Bug #29207450 TINYTEXT COLUMN TAKES LONG TIME IN THE GROUP BY OPERATION.
#
create table t1 (id serial primary key auto_increment,a varchar(100),b varchar(100));
create table t2 (id serial primary key auto_increment,a varchar(100),b tinytext);
insert into t1 (a, b) values('a', '746d847beb7e'),('a','746d847beb7e'),('a', '746d847beb7e'),('a','746d847beb7e'),('a','746d847beb7e');
insert into t1 (a, b) select 'a', '746d847beb7e' from t1 t1,t1 t2,t1 t3,t1 t4;
insert into t1 (a, b) select 'a', '746d847beb7e' from t1 t1,t1 t2;
insert into t2 (a, b) values('a', '746d847beb7e'),('a','746d847beb7e'),('a', '746d847beb7e'),('a','746d847beb7e'),('a','746d847beb7e');
insert into t2 (a, b) select 'a', '746d847beb7e' from t2 t1,t2 t2,t2 t3,t2 t4;
insert into t2 (a, b) select 'a', '746d847beb7e' from t2 t1,t2 t2;
select count(*) from t1;
count(*)
397530
select count(*) from t2;
count(*)
397530
set global internal_tmp_disk_storage_engine = 'innodb';
select b, count(*) from t1 group by b;
b count(*)
746d847beb7e 397530
select b, count(*) from t2 group by b;
b count(*)
746d847beb7e 397530
set global internal_tmp_disk_storage_engine = 'myisam';
select b, count(*) from t1 group by b;
b count(*)
746d847beb7e 397530
select b, count(*) from t2 group by b;
b count(*)
746d847beb7e 397530
set global internal_tmp_disk_storage_engine = default;
drop table t1, t2;