43 lines
981 B
Plaintext
43 lines
981 B
Plaintext
--source include/have_debug.inc
|
|
|
|
create table t1 (f1 int primary key) engine=innodb;
|
|
create table t2 (f1 int primary key,
|
|
constraint c1 foreign key (f1) references t1(f1)
|
|
on update cascade
|
|
on delete cascade) engine=innodb;
|
|
create table t3 (f1 int primary key,
|
|
constraint c2 foreign key (f1) references t1(f1)
|
|
on update cascade
|
|
on delete cascade) engine=innodb;
|
|
show create table t1;
|
|
show create table t2;
|
|
show create table t3;
|
|
|
|
insert into t1 values (1);
|
|
insert into t1 values (2);
|
|
insert into t1 values (3);
|
|
|
|
insert into t2 values (1);
|
|
insert into t2 values (2);
|
|
insert into t2 values (3);
|
|
|
|
insert into t3 values (1);
|
|
insert into t3 values (2);
|
|
insert into t3 values (3);
|
|
|
|
select f1 from t1;
|
|
select f1 from t2;
|
|
select f1 from t3;
|
|
|
|
SET DEBUG='+d,dml_cascade_only_once';
|
|
SET DEBUG='+d,row_upd_cascade_lock_wait_err';
|
|
update t1 set f1 = 100 where f1 = 2;
|
|
|
|
select f1 from t1;
|
|
select f1 from t2;
|
|
select f1 from t3;
|
|
|
|
drop table t2;
|
|
drop table t3;
|
|
drop table t1;
|