<?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_Sales
 * @copyright  Copyright (c) 2006-2016 X.commerce, Inc. and affiliates (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

$installer = $this;
/* @var $installer Mage_Sales_Model_Mysql4_Setup */

$installer->run("
ALTER TABLE `{$installer->getTable('sales_flat_quote_address')}` CHANGE `applied_taxes` `applied_taxes` TEXT;

CREATE TABLE `{$installer->getTable('sales_order_tax')}` (
  `tax_id` int(10) unsigned NOT NULL auto_increment,
  `order_id` int(10) unsigned NOT NULL,
  `code` varchar(255) NOT NULL,
  `title` varchar(255) NOT NULL,
  `percent` decimal(12,4) NOT NULL,
  `priority` int(11) NOT NULL,
  `position` int(11) NOT NULL,
  PRIMARY KEY  (`tax_id`),
  KEY `IDX_ORDER_TAX` (`order_id`,`priority`,`position`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;

ALTER TABLE `{$installer->getTable('sales_order_tax')}` ADD `amount` DECIMAL( 12, 4 ) NOT NULL AFTER `percent`;
");