<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2019 - 2022, CodeIgniter Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package    CodeIgniter
 * @author    EllisLab Dev Team
 * @copyright    Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright    Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
 * @copyright    Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
 * @license    https://opensource.org/licenses/MIT	MIT License
 * @link    https://codeigniter.com
 * @since    Version 2.0.3
 * @filesource
 */
defined('BASEPATH') or exit('No direct script access allowed');

/**
 * SQLSRV Utility Class
 *
 * @category    Database
 * @author        EllisLab Dev Team
 * @link        https://codeigniter.com/userguide3/database/
 */
class CI_DB_sqlsrv_utility extends CI_DB_utility
{

    /**
     * List databases statement
     *
     * @var    string
     */
    protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases

    /**
     * OPTIMIZE TABLE statement
     *
     * @var    string
     */
    protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';

    // --------------------------------------------------------------------

    /**
     * Export
     *
     * @param array $params Preferences
     * @return    bool
     */
    protected function _backup($params = array())
    {
        // Currently unsupported
        return $this->db->display_error('db_unsupported_feature');
    }

}
