Current File : /var/www/vinorea/modules/autoupgrade/upgrade/php/add_column.php

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License version 3.0
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * 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.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */

use PrestaShop\Module\AutoUpgrade\Database\DbWrapper;

/**
 * @return void
 *
 * @throws \PrestaShop\Module\AutoUpgrade\Exceptions\UpdateDatabaseException
 */
function add_column($table, $column, $parameters)
{
    $column_exists = DbWrapper::executeS('SHOW COLUMNS FROM `' . _DB_PREFIX_ . $table . "` WHERE Field = '" . $column . "'");

    if (!empty($column_exists)) {
        // If it already exists, we will modify the structure
        DbWrapper::execute('ALTER TABLE `' . _DB_PREFIX_ . $table . '` CHANGE `' . $column . '` `' . $column . '` ' . $parameters);
    } else {
        // Otherwise, we add it
        DbWrapper::execute('ALTER TABLE `' . _DB_PREFIX_ . $table . '` ADD `' . $column . '` ' . $parameters);
    }
}