foreign_key.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

#
# Test syntax of foreign keys
#

--disable_warnings
drop table if exists t1;
--enable_warnings

create table t1 (
	a int not null references t2,
	b int not null references t2 (c),
	primary key (a,b),
	foreign key (a) references t3 match full,
	foreign key (a) references t3 match partial,
	foreign key (a,b) references t3 (c,d) on delete no action
	  on update no action,
	foreign key (a,b) references t3 (c,d) on update cascade,
	foreign key (a,b) references t3 (c,d) on delete set default,
	foreign key (a,b) references t3 (c,d) on update set null);

create index a on t1 (a);
create unique index b on t1 (a,b);
drop table t1;

# End of 4.1 tests