mysql.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * MySQL export driver.
 *
 * @package     Joomla.Platform
 * @subpackage  Database
 * @since       11.1
 */
class JDatabaseExporterMysql extends JDatabaseExporterMysqli
{
        /**
         * Checks if all data and options are in order prior to exporting.
         *
         * @return  JDatabaseExporterMysql  Method supports chaining.
         *
         * @since   11.1
         * @throws  Exception if an error is encountered.
         */
        public function check()
        {
                // Check if the db connector has been set.
                if (!($this->db instanceof JDatabaseDriverMysql))
                {
                        throw new Exception('JPLATFORM_ERROR_DATABASE_CONNECTOR_WRONG_TYPE');
                }

                // Check if the tables have been specified.
                if (empty($this->from))
                {
                        throw new Exception('JPLATFORM_ERROR_NO_TABLES_SPECIFIED');
                }

                return $this;
        }
}