<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Index
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

$installer = $this;
$installer->startSetup();
$installer->run("
CREATE TABLE `{$this->getTable('index/event')}` (
  `event_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `type` varchar(64) NOT NULL,
  `entity` varchar(64) NOT NULL,
  `entity_pk` bigint(20) DEFAULT NULL,
  `created_at` datetime NOT NULL,
  `old_data` mediumtext,
  `new_data` mediumtext,
  PRIMARY KEY (`event_id`),
  UNIQUE KEY `IDX_UNIQUE_EVENT` (`type`,`entity`,`entity_pk`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `{$this->getTable('index/process')}` (
  `process_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `indexer_code` varchar(32) NOT NULL,
  `status` enum('pending','working') NOT NULL DEFAULT 'pending',
  `started_at` datetime DEFAULT NULL,
  `ended_at` datetime DEFAULT NULL,
  PRIMARY KEY (`process_id`),
  UNIQUE KEY `IDX_CODE` (`indexer_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `{$this->getTable('index/process_event')}` (
  `process_id` int(10) unsigned NOT NULL,
  `event_id` bigint(20) unsigned NOT NULL,
  `status` enum('new','working','done','error') NOT NULL DEFAULT 'new',
  PRIMARY KEY (`process_id`,`event_id`),
  KEY `FK_INDEX_EVNT_PROCESS` (`event_id`),
  CONSTRAINT `FK_INDEX_EVNT_PROCESS` FOREIGN KEY (`event_id`) REFERENCES `{$this->getTable('index/event')}` (`event_id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `FK_INDEX_PROCESS_EVENT` FOREIGN KEY (`process_id`) REFERENCES `{$this->getTable('index/process')}` (`process_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

");
$installer->endSetup();