protected function appendOperatorIfRequired($requireArray, $value, $sqlOperator)
    {
        if (!$requireArray) {
            if (isset($sqlOperator['append'])) {
                $value = $sqlOperator['append'].$value;
            }

            if (isset($sqlOperator['prepend'])) {
                $value = $value.$sqlOperator['prepend'];
            }
        }

        return $value;
    }