1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
#
# MDEV-4610 SQL query crashes MariaDB with derived_with_keys
#
--source include/have_innodb.inc
create table t1 (f1 char(4) primary key) engine=innodb charset=utf8 ;
insert into t1 values ('aaaa');
create table t2 (f2 text, f3 char(4) not null) engine=innodb charset=utf8 ;
create table t3 (id int not null) engine=innodb charset=utf8 ;
create table t4 (val int not null) engine=innodb charset=utf8;
explain select 1 from
(select f2, f3, val, count(id) from t4 join t2 left join t3 on 0) top
join t1 on f1 = f3 where f3 = 'aaaa' order by val;
select 1 from
(select f2, f3, val, count(id) from t4 join t2 left join t3 on 0) top
join t1 on f1 = f3 where f3 = 'aaaa' order by val;
drop table t1, t2, t3, t4;
|
