sqlserver (生成错误消息并启动会话的错误处理)

 ALTER PROCEDURE [U]
 
 
@billno varchar(30),
 @unit int,
 @accfactduantu decimal(18,2)
 
 
AS
 
 
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
 
 
IF EXISTS(SELECT 1 FROM b_tyd WHERE unit=@unit AND state>0)
 
 
BEGIN
 
 
RAISERROR('本单已发车，不能再关联运单了!',16,1)  
    ROLLBACK TRANSACTION tx
    RETURN 0;
 
 
END
 
 
IF EXISTS(SELECT 1 FROM will_tpl WHERE unit=@unit)
 
 
BEGIN
 
 
RAISERROR('本单已关联了运单 ，不能再关联运单了!',16,1)  
    ROLLBACK TRANSACTION tx
    RETURN 0;
 
 
END
 
 
insert into will_tpl(billno,unit,accfactduantu) values(@billno,@unit,@accfactduantu)
 
 
UPDATE b_tyd set accfactduantu = @accfactduantu WHERE unit = @unit
 

Here is an example of AppleScript: tell application "Foo" beep end tell