mirror of
https://github.com/MariaDB/server.git
synced 2025-01-31 19:11:46 +01:00
35 lines
955 B
Text
35 lines
955 B
Text
drop table if exists t1,t2,t3;
|
|
create table t1(id1 int not null auto_increment primary key, t char(12));
|
|
create table t2(id2 int not null, t char(12), index(id2));
|
|
create table t3(id3 int not null, t char(12), index(id3));
|
|
let $1 = 10000;
|
|
while ($1)
|
|
{
|
|
let $2 = 5;
|
|
eval insert into t1(t) values ('$1');
|
|
while ($2)
|
|
{
|
|
eval insert into t2(id2,t) values ($1,'$2');
|
|
let $3 = 10;
|
|
while ($3)
|
|
{
|
|
eval insert into t3(id3,t) values ($1,'$2');
|
|
dec $3;
|
|
}
|
|
dec $2;
|
|
}
|
|
dec $1;
|
|
}
|
|
|
|
delete t1.*, t2.*, t3.* from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 9500;
|
|
|
|
check table t1, t2, t3;
|
|
|
|
select * from t1 where id1 > 9500;
|
|
select * from t2 where id2 > 9500;
|
|
select * from t3 where id3 > 9500;
|
|
|
|
delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 500;
|
|
select * from t1 where id1 > 500;
|
|
select * from t2 where id2 > 500;
|
|
select * from t3 where id3 > 500;
|