public function like_match($like_match)
    {
        switch ($like_match) {
            case self::LIKE_MATCH_AND:
            case self::LIKE_MATCH_OR:
                $this->like_match = $like_match;
                break;
            default:
                break;
        }
        $this->total = $this->page = $this->total_page = null;

        return $this;
    }