// 商品コードの取得
         $code_sql = "SELECT product_code FROM dtb_products_class AS prdcls WHERE prdcls.product_id = ? GROUP BY product_code ORDER BY product_code";
        $arrProductCode = $objQuery->getall($code_sql, array($tmp_id));
       $arrProductCode = SC_Utils_Ex::sfswaparray($arrProductCode);
        $this->arrProductCode = $arrProductCode["product_code"];