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--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;
--error 1005
ALTER TABLE t2 ADD CONSTRAINT fk3 FOREIGN KEY (f3) REFERENCES t3 (id) ON DELETE CASCADE;
show warnings;
drop table t2;
drop table t1;
#
# MDEV-9142 :Adding Constraint with no database reference
# results in ERROR 1046 (3D000) at line 13: No database selected
#
CREATE DATABASE kg_test1;
CREATE DATABASE kg_test2;
CREATE TABLE `kg_test1`.`group` (
Id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `kg_test1`.`person` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test1`.`person`;
--error 1005
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `kg_test1`.`group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test2`.`person2`;
SHOW WARNINGS;
DROP DATABASE kg_test2;
DROP DATABASE kg_test1;
#
# 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`;
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