update man_order_detl
set qty = qty + #{qty}
where 1=1
and order_id = #{orderId}
and matnr = #{matnr}
and batch = #{batch}
and (batch IS NULL OR batch = '')
update man_order_detl
set qty = qty - #{qty}
where 1=1
and order_no = #{orderNo}
and matnr = #{matnr}
and batch = #{batch}
and (batch IS NULL OR batch = '')