function lfGetSearchCondition($arrSearchData){
        $searchCondition = parent::lfGetSearchCondition($arrSearchData);
        if ($_REQUEST["product_status_id"] AND preg_match('/^[0-9]+$/',$_REQUEST["product_status_id"])) {
            $searchCondition['where']    .= " AND EXISTS ( SELECT * FROM dtb_product_status WHERE product_status_id = ? AND alldtl.product_id = product_id  ) ";
            $searchCondition['arrval'][]  = $_REQUEST["product_status_id"];
        }
        return $searchCondition;
    }