96 lines
3.7 KiB
Plaintext
96 lines
3.7 KiB
Plaintext
create table t1 (
|
|
a int not null,
|
|
b int not null,
|
|
c int not null,
|
|
d int not null,
|
|
e int not null,
|
|
f int not null,
|
|
primary key (a),
|
|
unique(c) using hash,
|
|
index(e)) engine = ndb;
|
|
alter table t1 add constraint fkname
|
|
foreign key (a) references t1(a) on delete restrict on update restrict;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (c) references t1(a) on delete restrict on update restrict;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,3,3,2,2);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (e) references t1(a) on delete restrict on update restrict;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,2,2,3,3);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (a) references t1(c) on delete restrict on update restrict;
|
|
insert into t1 values (2,2,3,3,2,2);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (c) references t1(c) on delete restrict on update restrict;
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (e) references t1(c) on delete restrict on update restrict;
|
|
insert into t1 values (2,2,2,2,3,3);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
drop table t1;
|
|
create table t1 (
|
|
a int not null,
|
|
b int not null,
|
|
c int not null,
|
|
d int not null,
|
|
e int not null,
|
|
f int not null,
|
|
primary key (a,b),
|
|
unique(c,d) using hash,
|
|
index(e,f)) engine = ndb;
|
|
alter table t1 add constraint fkname
|
|
foreign key (a,b) references t1(a,b) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (c,d) references t1(a,b) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,3,3,2,2);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (e,f) references t1(a,b) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,2,2,3,3);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (a,b) references t1(c,d) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,3,3,2,2);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (c,d) references t1(c,d) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
alter table t1 add constraint fkname
|
|
foreign key (e,f) references t1(c,d) on delete no action on update no action;
|
|
insert into t1 values (1,1,1,1,1,1);
|
|
insert into t1 values (2,2,2,2,3,3);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
|
|
alter table t1 drop foreign key fkname;
|
|
delete from t1;
|
|
drop table t1;
|