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。
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
你可以使用GOTO语句。试试这个。这对你很有用。
WHILE(@N <= @Count)
BEGIN
GOTO FinalStateMent;
END
FinalStatement:
Select @CoumnName from TableName
其他回答
你可以使用GOTO语句。试试这个。这对你很有用。
WHILE(@N <= @Count)
BEGIN
GOTO FinalStateMent;
END
FinalStatement:
Select @CoumnName from TableName
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-------------
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;
您可以将SQL语句包装在WHILE循环中,并在需要时使用BREAK
WHILE 1 = 1
BEGIN
-- Do work here
-- If you need to stop execution then use a BREAK
BREAK; --Make sure to have this break at the end to prevent infinite loop
END
将适当的代码块包装在try catch块中。然后,如果您愿意,可以使用严重程度为11的Raiserror事件,以便中断到catch块。如果你只想抛出错误,但在try块内继续执行,那么使用较低的严重程度。
试一试……抓住(transact - sql)