--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 /'test\.#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 /'test\.#sql-[0-9_a-f-]*'/'#sql-temporary'/
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;