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