CREATE TABLE icinga_endpoint_inheritance ( endpoint_id INT(10) UNSIGNED NOT NULL, parent_endpoint_id INT(10) UNSIGNED NOT NULL, weight MEDIUMINT UNSIGNED DEFAULT NULL, PRIMARY KEY (endpoint_id, parent_endpoint_id), UNIQUE KEY unique_order (endpoint_id, weight), CONSTRAINT icinga_endpoint_inheritance_endpoint FOREIGN KEY endpoint (endpoint_id) REFERENCES icinga_endpoint (id) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT icinga_endpoint_inheritance_parent_endpoint FOREIGN KEY endpoint (parent_endpoint_id) REFERENCES icinga_endpoint (id) ON DELETE RESTRICT ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8;