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#
# Test syntax of foreign keys
#
-- source include/have_innodb.inc
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
create table t1 (
a int not null references t2,
b int not null constraint t2_c 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
#
# Test DELETE IGNORE
# Bug#44987 DELETE IGNORE and FK constraint
#
create table t1 (id int primary key) engine = innodb;
create table t2 (id int PRIMARY KEY, FOREIGN KEY (id) REFERENCES t1(id)) engine=innodb;
insert into t1 values (1), (2), (3), (4), (5), (6);
insert into t2 values (3), (5);
--error 1451
delete from t1;
select * from t1;
delete ignore from t1;
select row_count();
select * from t1;
drop table t2;
drop table t1;
#
# Bug#34455 (Ambiguous foreign keys syntax is accepted)
#
--disable_warnings
drop table if exists t_34455;
--enable_warnings
# 2 match clauses, illegal
--error ER_PARSE_ERROR
create table t_34455 (
a int not null,
foreign key (a) references t3 (a) match full match partial);
# match after on delete, illegal
--error ER_PARSE_ERROR
create table t_34455 (
a int not null,
foreign key (a) references t3 (a) on delete set default match full);
# match after on update, illegal
--error ER_PARSE_ERROR
create table t_34455 (
a int not null,
foreign key (a) references t3 (a) on update set default match full);
# 2 on delete clauses, illegal
--error ER_PARSE_ERROR
create table t_34455 (
a int not null,
foreign key (a) references t3 (a)
on delete set default on delete set default);
# 2 on update clauses, illegal
--error ER_PARSE_ERROR
create table t_34455 (
a int not null,
foreign key (a) references t3 (a)
on update set default on update set default);
create table t_34455 (a int not null);
# 2 match clauses, illegal
--error ER_PARSE_ERROR
alter table t_34455
add foreign key (a) references t3 (a) match full match partial);
# match after on delete, illegal
--error ER_PARSE_ERROR
alter table t_34455
add foreign key (a) references t3 (a) on delete set default match full);
# match after on update, illegal
--error ER_PARSE_ERROR
alter table t_34455
add foreign key (a) references t3 (a) on update set default match full);
# 2 on delete clauses, illegal
--error ER_PARSE_ERROR
alter table t_34455
add foreign key (a) references t3 (a)
on delete set default on delete set default);
# 2 on update clauses, illegal
--error ER_PARSE_ERROR
alter table t_34455
add foreign key (a) references t3 (a)
on update set default on update set default);
drop table t_34455;
--echo #
--echo # MDEV-18460 Don't allow multiple table CONSTRAINTs with the same name.
--echo #
CREATE TABLE tpk (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,name VARCHAR(100) NOT NULL) ENGINE=Innodb;
--error ER_DUP_CONSTRAINT_NAME
CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1), CONSTRAINT sid CHECK (c2>15));
CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1));
--error ER_DUP_CONSTRAINT_NAME
ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
DROP TABLE tfk;
CREATE TABLE tfk (c1 INT, c2 INT,
CONSTRAINT sid FOREIGN KEY (c1) REFERENCES tpk (id)) ENGINE=Innodb;
show create table tfk;
--error ER_DUP_CONSTRAINT_NAME
ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
--error ER_DUP_KEYNAME
ALTER TABLE tfk ADD CONSTRAINT sid UNIQUE(c2);
DROP TABLE tfk;
DROP TABLE tpk;
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