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-- source include/have_innodb.inc -- source include/have_ndb.inc connect (con1,localhost,root,,test); connect (con2,localhost,root,,test); ### ### PK vs PK ### create table parent ( a int not null, b int not null, c int not null, primary key (a,b), unique(b,c) using hash, index(c,a)) engine = ndb; create table child ( a int not null, b int not null, c int not null, primary key (b,a), unique(c,b) using hash, index(c,a)) engine = ndb; insert into parent values (1,2,3); alter table child add constraint fkname foreign key (c,a) references parent(a,b) on delete restrict on update restrict; --error 1452 insert into child values (2,1,2); --error 1452 insert into child values (1,1,1); --error 0 insert into child values (2,1,1); --error 1451 delete from parent; delete from child; alter table child drop foreign key fkname; alter table child add constraint fkname foreign key (b,a) references parent(a,b) on delete restrict on update restrict; --error 1452 insert into child values (1,2,2); --error 1452 insert into child values (2,3,1); --error 0 insert into child values (2,1,1); --error 1451 delete from parent; delete from child; alter table child drop foreign key fkname; alter table child add constraint fkname foreign key (c,b) references parent(a,b) on delete restrict on update restrict; --error 1452 insert into child values (1,2,2); --error 1452 insert into child values (2,3,1); --error 0 insert into child values (2,2,1); --error 1451 delete from parent; drop table child, parent;