mariadb/mysql-test/suite/innodb/t/innodb-fk.test

--source include/have_innodb.inc
--source include/not_embedded.inc

--echo #
--echo # Bug #18806829 OPENING INNODB TABLES WITH MANY FOREIGN KEY
--echo # REFERENCES IS SLOW/CRASHES SEMAPHORE
--echo #

create table t1 (f1 int primary key) engine=innodb;
insert into t1 values (5);
insert into t1 values (2882);
insert into t1 values (10);

let $fk_tables = 120;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval create table fk_$i (f1 int primary key,
          constraint pc$i foreign key (f1) references t1(f1)
          on delete cascade on update cascade) engine=innodb;
  eval insert into fk_$i values (5);
  eval insert into fk_$i values (2882);
  eval insert into fk_$i values (10);
  dec $i;
}
--enable_query_log

--source include/restart_mysqld.inc

update t1 set f1 = 28 where f1 = 2882;

select * from fk_120;
select * from fk_1;
select * from fk_50;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval drop table fk_$i;
  dec $i;
}
--enable_query_log

drop table t1;

--echo #
--echo # Check if restrict is working fine.
--echo #

create table t1 (f1 int primary key) engine=innodb;

let $fk_tables = 30;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval create table fk_$i (f1 int primary key,
          constraint pc$i foreign key (f1) references t1(f1)
          on delete restrict on update restrict) engine=innodb;
  eval insert into t1 values ($i);
  eval insert into fk_$i values ($i);
  dec $i;
}
--enable_query_log

--source include/restart_mysqld.inc

--error ER_ROW_IS_REFERENCED_2
delete from t1 where f1 = 29;
select * from fk_29;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval drop table fk_$i;
  dec $i;
}
--enable_query_log

drop table t1;

#
# MDEV-7672: Crash creating an InnoDB table with foreign keys
#

CREATE TABLE t1 (
  id int(11) NOT NULL AUTO_INCREMENT,
  f1 int(11) DEFAULT NULL,
  PRIMARY KEY (id),
  CONSTRAINT fk1 FOREIGN KEY (f1) REFERENCES t1 (id) ON DELETE CASCADE
) ENGINE=InnoDB;

--error 1005
CREATE TABLE t2 (
  id int(11) NOT NULL AUTO_INCREMENT,
  f2 int(11) NOT NULL,
  f3 int(11) NOT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT fk2 FOREIGN KEY (f2) REFERENCES t1 (`id`) ON DELETE CASCADE,
  CONSTRAINT fk3 FOREIGN KEY (f3) REFERENCES t3 (id) ON DELETE CASCADE
) ENGINE=InnoDB;

show warnings;

CREATE TABLE t2 (
  id int(11) NOT NULL AUTO_INCREMENT,
  f2 int(11) NOT NULL,
  f3 int(11) NOT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT fk2 FOREIGN KEY (f2) REFERENCES t1 (`id`) ON DELETE CASCADE
) ENGINE=InnoDB;

--replace_regex /#sql-[0-9_a-f-]*/#sql-temporary/
--error 1005
ALTER TABLE t2 ADD CONSTRAINT fk3 FOREIGN KEY (f3) REFERENCES t3 (id) ON DELETE CASCADE;

--replace_regex /#sql-[0-9_a-f-]*/#sql-temporary/
show warnings;

drop table t2;
drop table t1;

#
# MDEV-7627: Some symbols in table name can cause to Error Code: 1050 when created FK
#

CREATE TABLE `#departaments` (
  `id_depart` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`id_depart`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

CREATE TABLE `#departaments_tree` (
  `id_depart` INT(10) UNSIGNED NOT NULL,
  `id_depart_in` INT(10) UNSIGNED NOT NULL,
  PRIMARY KEY (`id_depart`,`id_depart_in`),
  CONSTRAINT `#departaments_tree_ibfk_1` FOREIGN KEY (`id_depart`) REFERENCES `#departaments` (`id_depart`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

ALTER TABLE `#departaments_tree`
  ADD FOREIGN KEY (`id_depart_in`) REFERENCES `#departaments`(`id_depart`);

SHOW CREATE TABLE `#departaments_tree`;

DROP TABLE `#departaments_tree`;
DROP TABLE `#departaments`;

CREATE TABLE `boroda` (
  `id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
  `a` INT(11) UNSIGNED DEFAULT NULL,
  `b` INT(11) UNSIGNED DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `a` (`a`),
  CONSTRAINT `boroda_ibfk_1` FOREIGN KEY (`a`) REFERENCES `boroda` (`id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

ALTER TABLE `boroda`
  ADD FOREIGN KEY (`b`) REFERENCES `boroda`(`id`);

ALTER TABLE `boroda` DROP FOREIGN KEY `boroda_ibfk_2`;

RENAME TABLE `boroda` TO `#boroda`;

ALTER TABLE `#boroda`
ADD FOREIGN KEY (`b`) REFERENCES `#boroda`(`id`);

SHOW CREATE TABLE `#boroda`;
DROP TABLE `#boroda`;

CREATE TABLE `boroda` (
  `id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
  `a` INT(11) UNSIGNED DEFAULT NULL,
  `b` INT(11) UNSIGNED DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `a` (`a`),
  CONSTRAINT `boroda_ibfk_1` FOREIGN KEY (`a`) REFERENCES `boroda` (`id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

RENAME TABLE `boroda` TO `bor#oda`;

ALTER TABLE `bor#oda`
ADD FOREIGN KEY (`b`) REFERENCES `bor#oda`(`id`);

SHOW CREATE TABLE `bor#oda`;
DROP TABLE `bor#oda`;