41 lines
1.7 KiB
PHP
41 lines
1.7 KiB
PHP
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<?php
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/*
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* 2007-2015 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2015 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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function drop_module_non_unique_index()
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{
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$index = Db::getInstance()->executeS('SHOW INDEX FROM `'._DB_PREFIX_.'module` WHERE Key_name = "name"');
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if (is_array($index) && count($index)) {
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Db::getInstance()->execute('ALTER IGNORE TABLE `'._DB_PREFIX_.'module` DROP INDEX `name`');
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}
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$tmp = Db::getInstance()->executeS('SHOW SESSION VARIABLES WHERE Variable_Name LIKE "old_alter_table" AND Value like "OFF"');
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if (is_array($tmp) && $tmp) {
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Db::getInstance()->execute('SET SESSION old_alter_table="ON"');
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}
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Db::getInstance()->execute('ALTER IGNORE TABLE `'._DB_PREFIX_.'module` ADD UNIQUE `name` (`name`)');
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if (is_array($tmp) && $tmp) {
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Db::getInstance()->execute('SET SESSION old_alter_table="OFF"');
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}
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}
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