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<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Migration_add_constraints extends CI_Migration {
public function up()
{
$this->db->query("UPDATE `users` SET `referrer` = NULL where `referrer` = 0;");
$this->db->query("ALTER TABLE `apikeys` ADD FOREIGN KEY (`user`)
REFERENCES `filebin`.`users`(`id`) ON DELETE CASCADE ON UPDATE RESTRICT;");
$this->db->query("ALTER TABLE `files` ADD FOREIGN KEY (`user`)
REFERENCES `filebin`.`users`(`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;");
$this->db->query("ALTER TABLE `profiles` ADD FOREIGN KEY (`user`)
REFERENCES `filebin`.`users`(`id`) ON DELETE CASCADE ON UPDATE RESTRICT;");
$this->db->query("ALTER TABLE `actions` ADD FOREIGN KEY (`user`)
REFERENCES `filebin`.`users`(`id`) ON DELETE CASCADE ON UPDATE RESTRICT;");
$this->db->query("ALTER TABLE `users` ADD INDEX(`referrer`);");
$this->db->query("ALTER TABLE `users` CHANGE `referrer` `referrer`
INT(8) UNSIGNED NULL;");
$this->db->query("ALTER TABLE `users` ADD FOREIGN KEY (`referrer`)
REFERENCES `filebin`.`users`(`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;");
}
public function down()
{
show_error("downgrade not supported");
}
}
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