Created
October 17, 2013 10:33
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Percona XtraDB Cluster error with ON CASCADE. Following this guide: http://www.mysqltutorial.org/mysql-on-delete-cascade/
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mysql> use adritest; | |
Database changed | |
mysql> CREATE TABLE buildings ( | |
-> building_no int(11) NOT NULL AUTO_INCREMENT, | |
-> building_name varchar(255) NOT NULL, | |
-> address varchar(355) NOT NULL, | |
-> PRIMARY KEY (building_no) | |
-> ) ENGINE=InnoDB; | |
Query OK, 0 rows affected (3.39 sec) | |
mysql> CREATE TABLE rooms ( | |
-> room_no int(11) NOT NULL AUTO_INCREMENT, | |
-> room_name varchar(255) NOT NULL, | |
-> building_no int(11) NOT NULL, | |
-> PRIMARY KEY (room_no), | |
-> KEY building_no (building_no), | |
-> CONSTRAINT rooms_ibfk_1 | |
-> FOREIGN KEY (building_no) | |
-> REFERENCES buildings (building_no) | |
-> ON DELETE CASCADE | |
-> ) ENGINE=InnoDB; | |
Query OK, 0 rows affected (0.16 sec) | |
mysql> INSERT INTO buildings(building_name,address) | |
-> VALUES('ACME Headquaters','3950 North 1st Street CA 95134'), | |
-> ('ACME Sales','5000 North 1st Street CA 95134'); | |
Query OK, 2 rows affected (0.11 sec) | |
Records: 2 Duplicates: 0 Warnings: 0 | |
mysql> SELECT * FROM buildings; | |
+-------------+------------------+--------------------------------+ | |
| building_no | building_name | address | | |
+-------------+------------------+--------------------------------+ | |
| 1 | ACME Headquaters | 3950 North 1st Street CA 95134 | | |
| 4 | ACME Sales | 5000 North 1st Street CA 95134 | | |
+-------------+------------------+--------------------------------+ | |
2 rows in set (0.00 sec) | |
mysql> INSERT INTO rooms(room_name,building_no) | |
-> VALUES('Amazon',1), | |
-> ('War Room',1), | |
-> ('Office of CEO',1), | |
-> ('Marketing',2), | |
-> ('Showroom',2); | |
ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`adritest`.`rooms`, CONSTRAINT `rooms_ibfk_1` FOREIGN KEY (`building_no`) REFERENCES `buildings` (`building_no`) ON DELETE CASCADE) | |
mysql> | |
-> ) ENGINE=InnoDB; | |
Query OK, 0 rows affected (3.39 sec) | |
mysql> CREATE TABLE rooms ( | |
-> room_no int(11) NOT NULL AUTO_INCREMENT, | |
-> room_name varchar(255) NOT NULL, | |
-> building_no int(11) NOT NULL, | |
-> PRIMARY KEY (room_no), | |
-> KEY building_no (building_no), | |
-> CONSTRAINT rooms_ibfk_1 | |
-> FOREIGN KEY (building_no) | |
-> REFERENCES buildings (building_no) | |
-> ON DELETE CASCADE | |
-> ) ENGINE=InnoDB; | |
Query OK, 0 rows affected (0.16 sec) | |
mysql> INSERT INTO buildings(building_name,address) | |
-> VALUES('ACME Headquaters','3950 North 1st Street CA 95134'), | |
-> ('ACME Sales','5000 North 1st Street CA 95134'); | |
Query OK, 2 rows affected (0.11 sec) | |
Records: 2 Duplicates: 0 Warnings: 0 | |
mysql> SELECT * FROM buildings; | |
+-------------+------------------+--------------------------------+ | |
| building_no | building_name | address | | |
+-------------+------------------+--------------------------------+ | |
| 1 | ACME Headquaters | 3950 North 1st Street CA 95134 | | |
| 4 | ACME Sales | 5000 North 1st Street CA 95134 | | |
+-------------+------------------+--------------------------------+ | |
2 rows in set (0.00 sec) | |
mysql> INSERT INTO rooms(room_name,building_no) | |
-> VALUES('Amazon',1), | |
-> ('War Room',1), | |
-> ('Office of CEO',1), | |
-> ('Marketing',2), | |
-> ('Showroom',2); | |
ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`adritest`.`rooms`, CONSTRAINT `rooms_ibfk_1` FOREIGN KEY (`building_no`) REFERENCES `buildings` (`building_no`) ON DELETE CASCADE) | |
mysql> select version(); | |
+-----------+ | |
| version() | | |
+-----------+ | |
| 5.5.31 | | |
+-----------+ |
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