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View File Name :
ndb_fk_build.test
-- source include/have_ndb.inc create table parent ( a int primary key, b int not null, c int not null, unique(b) using hash, index(c)) engine = ndb; create table child ( a int primary key, b int not null, c int not null, unique(b) using hash, index(c)) engine = ndb; ### # Test that you can't create a FK that violates constraint to start off # # NOTE: these tests use ndb_tools to create/drop FK # as doing it by alter table, would currently mean an offline alter # which doesnt test the same code path # insert into parent values (1,2,3); insert into child values (3,4,5); --let ukname=b\$unique --let oiname=c --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key (a) references parent(a); --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key(b) references parent(a); --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key(c) references parent(a); --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key(a) references parent(b); --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key(b) references parent(b); --error 1452 alter table child algorithm=inplace, add constraint fkname foreign key(c) references parent(b); # # Now it should work... # insert into parent values (2,3,4); insert into parent values (3,4,5); insert into parent values (4,5,6); insert into parent values (5,6,7); alter table child algorithm=inplace, add constraint fk1 foreign key(a) references parent(a); alter table child algorithm=inplace, add constraint fk2 foreign key(b) references parent(a); alter table child algorithm=inplace, add constraint fk3 foreign key(c) references parent(a); alter table child algorithm=inplace, add constraint fk4 foreign key(a) references parent(b); alter table child algorithm=inplace, add constraint fk5 foreign key(b) references parent(b); alter table child algorithm=inplace, add constraint fk6 foreign key(c) references parent(b); alter table child algorithm=inplace, drop foreign key fk1, drop foreign key fk2, drop foreign key fk3, drop foreign key fk4, drop foreign key fk5, drop foreign key fk6; drop table parent, child;