public function filterByCode($code = null, $comparison = null)
    {
        if (null === $comparison) {
            if (is_array($code)) {
                $comparison = Criteria::IN;
            } elseif (preg_match('/[\%\*]/', $code)) {
                $code = str_replace('*', '%', $code);
                $comparison = Criteria::LIKE;
            }
        }

        return $this->addUsingAlias(IndexEngineDriverConfigurationTableMap::CODE, $code, $comparison);
    }