是否有一种方法可以立即停止SQL服务器中SQL脚本的执行,如“break”或“exit”命令?

我有一个脚本,它在开始插入之前执行一些验证和查找,我希望它在任何验证或查找失败时停止。


当前回答

谢谢你的回答!

Raiserror()工作得很好,但你不应该忘记return语句,否则脚本将继续没有错误!(因此,raiserror不是一个“throwerror”;-)),当然,如果需要,还会进行回滚!

Raiserror()用于告诉执行脚本的人出错了。

其他回答

我用一个事务成功地扩展了noexec开/关解决方案,以全有或全无的方式运行脚本。

set noexec off

begin transaction
go

<First batch, do something here>
go
if @@error != 0 set noexec on;

<Second batch, do something here>
go
if @@error != 0 set noexec on;

<... etc>

declare @finished bit;
set @finished = 1;

SET noexec off;

IF @finished = 1
BEGIN
    PRINT 'Committing changes'
    COMMIT TRANSACTION
END
ELSE
BEGIN
    PRINT 'Errors occured. Rolling back changes'
    ROLLBACK TRANSACTION
END

显然,编译器“理解”IF中的@finished变量,即使有一个错误并且执行被禁用。但是,只有在未禁用执行时,该值才会设置为1。因此,我可以很好地提交或回滚事务。

将它包含在try catch块中,然后执行将被转移到catch。

BEGIN TRY
    PRINT 'This will be printed'
    RAISERROR ('Custom Exception', 16, 1);
    PRINT 'This will not be printed'
END TRY
BEGIN CATCH
    PRINT 'This will be printed 2nd'
END CATCH;

进一步细化Sglasses方法,上面的代码行强制使用SQLCMD模式,如果不使用SQLCMD模式,则终止脚本,或者使用:on error exit在出现任何错误时退出 CONTEXT_INFO用于跟踪状态。

SET CONTEXT_INFO  0x1 --Just to make sure everything's ok
GO 
--treminate the script on any error. (Requires SQLCMD mode)
:on error exit 
--If not in SQLCMD mode the above line will generate an error, so the next line won't hit
SET CONTEXT_INFO 0x2
GO
--make sure to use SQLCMD mode ( :on error needs that)
IF CONTEXT_INFO()<>0x2 
BEGIN
    SELECT CONTEXT_INFO()
    SELECT 'This script must be run in SQLCMD mode! (To enable it go to (Management Studio) Query->SQLCMD mode)\nPlease abort the script!'
    RAISERROR('This script must be run in SQLCMD mode! (To enable it go to (Management Studio) Query->SQLCMD mode)\nPlease abort the script!',16,1) WITH NOWAIT 
    WAITFOR DELAY '02:00'; --wait for the user to read the message, and terminate the script manually
END
GO

----------------------------------------------------------------------------------
----THE ACTUAL SCRIPT BEGINS HERE-------------

谢谢你的回答!

Raiserror()工作得很好,但你不应该忘记return语句,否则脚本将继续没有错误!(因此,raiserror不是一个“throwerror”;-)),当然,如果需要,还会进行回滚!

Raiserror()用于告诉执行脚本的人出错了。

这些都不能用于“GO”语句。在这段代码中,无论严重程度是10还是11,都将得到最终的PRINT语句。

测试脚本:

-- =================================
PRINT 'Start Test 1 - RAISERROR'

IF 1 = 1 BEGIN
    RAISERROR('Error 1, level 11', 11, 1)
    RETURN
END

IF 1 = 1 BEGIN
    RAISERROR('Error 2, level 11', 11, 1)
    RETURN
END
GO

PRINT 'Test 1 - After GO'
GO

-- =================================
PRINT 'Start Test 2 - Try/Catch'

BEGIN TRY
    SELECT (1 / 0) AS CauseError
END TRY
BEGIN CATCH
    SELECT ERROR_MESSAGE() AS ErrorMessage
    RAISERROR('Error in TRY, level 11', 11, 1)
    RETURN
END CATCH
GO

PRINT 'Test 2 - After GO'
GO

结果:

Start Test 1 - RAISERROR
Msg 50000, Level 11, State 1, Line 5
Error 1, level 11
Test 1 - After GO
Start Test 2 - Try/Catch
 CauseError
-----------

ErrorMessage
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Divide by zero error encountered.

Msg 50000, Level 11, State 1, Line 10
Error in TRY, level 11
Test 2 - After GO

实现这一功能的唯一方法是编写没有GO语句的脚本。有时候这很简单。有时候真的很困难。(使用IF @error <> 0 BEGIN ....)