//首先查詢，如果有則更新，如果沒有則新增。
create proc sp_drugstockrecord
@drugid int,
@department varchar(500),
@batchnum varchar(500),
@amount float,
@stocktime datetime,
@producedate datetime,
@period datetime
asbegin
if exists(select drugid from t_drugstockrecord where drugid =@drugid and department=@department
and batchnum = @batchnum)
begin
update t_drugstockrecord set amount=(@amount+@amount)
where drugid = @drugid and department=@department and batchnum=@batchnum
endelse
begin
insert into t_drugstockrecord(drugid, department, batchnum, amount, stocktime, producedate, period) values
(@drugid, @department, @batchnum, @amount, @stocktime, @producedate, @period)
endend--drop proc sp_drugstockrecord
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