<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Migration_add_multipaste extends CI_Migration {

	public function up()
	{
		$this->db->query('
		CREATE TABLE `multipaste` (
		  `url_id` varchar(255) NOT NULL,
		  `multipaste_id` int(11) NOT NULL AUTO_INCREMENT,
		  `user_id` int(11) NOT NULL,
		  `date` int(11) NOT NULL,
		  PRIMARY KEY (`url_id`),
		  UNIQUE KEY `multipaste_id` (`multipaste_id`),
		  KEY `user_id` (`user_id`)
		) ENGINE=InnoDB  DEFAULT CHARSET=utf8;');

		$this->db->query('
		CREATE TABLE `multipaste_file_map` (
		  `multipaste_id` int(11) NOT NULL,
		  `file_url_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
		  `sort_order` int(10) unsigned NOT NULL AUTO_INCREMENT,
		  PRIMARY KEY (`sort_order`),
		  UNIQUE KEY `multipaste_id` (`multipaste_id`,`file_url_id`),
		  KEY `multipaste_file_map_ibfk_2` (`file_url_id`),
		  CONSTRAINT `multipaste_file_map_ibfk_1` FOREIGN KEY (`multipaste_id`) REFERENCES `multipaste` (`multipaste_id`) ON DELETE CASCADE ON UPDATE CASCADE,
		  CONSTRAINT `multipaste_file_map_ibfk_2` FOREIGN KEY (`file_url_id`) REFERENCES `files` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
		) ENGINE=InnoDB  DEFAULT CHARSET=utf8 ;');
	}

	public function down()
	{
		show_error("downgrade not supported");
	}
}