<?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@magento.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.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_CatalogRule
 * @copyright  Copyright (c) 2006-2014 X.commerce, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

$installer = $this;
/* @var $installer Mage_Core_Model_Resource_Setup */
$installer->startSetup();

$ruleGroupWebsiteTable = $installer->getTable('catalogrule/rule_group_website');

$installer->run("CREATE TABLE `{$ruleGroupWebsiteTable}` (
 `rule_id` int(10) unsigned NOT NULL default '0',
 `customer_group_id` smallint(5) unsigned default NULL,
 `website_id` smallint(5) unsigned default NULL,
 KEY `rule_id` (`rule_id`),
 KEY `customer_group_id` (`customer_group_id`),
 KEY `website_id` (`website_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin");

$installer->getConnection()->addConstraint(
    'FK_CATALOGRULE_GROUP_WEBSITE_RULE', $ruleGroupWebsiteTable, 'rule_id',
    $installer->getTable('catalogrule/rule'), 'rule_id', 'CASCADE', 'CASCADE'
);
$installer->getConnection()->addConstraint(
    'FK_CATALOGRULE_GROUP_WEBSITE_GROUP', $ruleGroupWebsiteTable, 'customer_group_id',
    $installer->getTable('customer/customer_group'), 'customer_group_id', 'CASCADE', 'CASCADE'
);
$installer->getConnection()->addConstraint(
    'FK_CATALOGRULE_GROUP_WEBSITE_WEBSITE', $ruleGroupWebsiteTable, 'website_id',
    $installer->getTable('core/website'), 'website_id', 'CASCADE', 'CASCADE'
);

$installer->run(
    "ALTER TABLE `{$ruleGroupWebsiteTable}` ADD PRIMARY KEY ( `rule_id` , `customer_group_id`, `website_id` )"
);

$installer->endSetup();
