--更新未结算的订单
update a set a.statedate=b.rzdate,a.statetime='00:00:00'
  from t_order_head a,
       (select orderno,max(rzdate) as rzdate from t_accept_head a,t_pay_bill b where a.billno = b.billno and b.isaccounted='0'
         group by orderno) b
 where a.billno=b.orderno
 go
--更新验收单业务日期
 update a set a.bizdate=b.rzdate
   from t_pay_bill a, t_accept_head b
  where a.billno=b.billno
  go
--更新退货单业务日期
 update a set a.bizdate=b.rzdate
   from t_pay_bill a, t_return_head b
  where a.billno=b.billno
  go
--更新进价调整单业务日期
 update a set a.bizdate=b.rzdate
   from t_pay_bill a, t_adjbuyprice_head b
  where a.billno=b.billno
  go