select * from hhr_order WHERE WHERE order_status='已发货' AND TO_DAYS(NOW()) - TO_DAYS(create_time) > 7
</select>
<updateid="updateCompleteOrder">
<updateid="updateCompleteOrder">
UPDATE hhr_order SET order_status = '已完成' WHERE id IN (SELECT id FROM(SELECT id FROM hhr_order WHERE order_status='已发货' AND TO_DAYS(NOW()) - TO_DAYS(create_time) > 7) t1)
UPDATE hhr_order SET order_status = '已完成' WHERE order_status='已发货' AND TO_DAYS(NOW()) - TO_DAYS(create_time) > 7