问Drupal购物车sql错误

EN

621         $sql_updates = array();
622
623         $result = db_query($sql);
624         while ($row = db_fetch_object($result)) {
625
626                 $sql_updates[] = "UPDATE {wb_uc_cart_items}
627                 SET `status` = 'd'
628                 WHERE `id` = " . $row->id . " AND `discounted` = 'yes' AND `status` = 'new' LIMIT $s_discount_qty;";
629                 $dx++;
630
631                 if($snode->field_discounted_prices[0]['value']) {
632                         $this_total_discount += ($row->price - $snode->field_discounted_prices[0]['value']);
633                 } elseif($snode->field_discounted_percentage[0]['value']) {
634                         $this_total_discount += (($snode->field_discounted_percentage[0]['value'] / 100) * $row->price);
635                 }
636
637         }