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Utils.php
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<?php /** * This file is part of CodeIgniter 4 framework. * * (c) CodeIgniter Foundation <admin@codeigniter.com> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace CodeIgniter\Database\MySQLi; use CodeIgniter\Database\BaseUtils; use CodeIgniter\Database\Exceptions\DatabaseException; /** * Utils for MySQLi */ class Utils extends BaseUtils { /** * List databases statement * * @var string */ protected $listDatabases = 'SHOW DATABASES'; /** * OPTIMIZE TABLE statement * * @var string */ protected $optimizeTable = 'OPTIMIZE TABLE %s'; /** * Platform dependent version of the backup function. * * @return mixed */ public function _backup(?array $prefs = null) { throw new DatabaseException('Unsupported feature of the database platform you are using.'); } }