<?php
/*
* 2007-2015 PrestaShop
*
* 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@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
function update_mailalerts_add_column_idshop()
{
    $installed = Db::getInstance()->getValue('SELECT id_module FROM  `'._DB_PREFIX_.'module` WHERE name = "mailalerts"');
    $installed &= Db::getInstance()->getValue('SHOW TABLES LIKE "'._DB_PREFIX_.'mailalert_customer_oos"');
    if ($installed && !Db::getInstance()->execute('ALTER TABLE `'._DB_PREFIX_.'mailalert_customer_oos` ADD COLUMN `id_shop` int(11) NOT NULL default "0" AFTER `id_customer`')) {
        return array('error' => 1, 'msg' => sprintf('unable to create column id_shop (%s)', Db::getInstance()->getMsgError()));
    }
    return true;
}