SQL Server-停止或中断SQL脚本的执行

#1 楼

raiserror('Oh no a fatal error', 20, -1) with log

print 'hi'
go
raiserror('Oh no a fatal error', 20, -1) with log
go
print 'ho'

hi
Msg 2745, Level 16, State 2, Line 1
Process ID 51 has raised user error 50000, severity 20. SQL Server is terminating this process.
Msg 50000, Level 20, State 1, Line 1
Oh no a fatal error
Msg 0, Level 20, State 0, Line 0
A severe error occurred on the current command.  The results, if any, should be discarded.

print 'hi'
go

print 'Fatal error, script will not continue!'
set noexec on

print 'ho'
go

-- last line of the script
set noexec off -- Turn execution back on; only needed in SSMS, so as to be able 
               -- to run this script again in the same session.

#2 楼

#3 楼

:on error exit

:on error exit

IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[SOMETABLE]') AND type in (N'U')) 
    RaisError ('This is not a Valid Instance Database', 15, 10)
GO

print 'Keep Working'

#4 楼

declare @valid bit

set @valid = 1

if -- Condition(s)
begin
  print 'Condition(s) failed.'
  set @valid = 0
end

-- Additional validation with similar structure

-- Final check that validation passed
if @valid = 1
begin
  print 'Validation succeeded.'

  -- Do work
end

#5 楼

THROW 51000, 'Stopping execution because validation failed.', 0;
PRINT 'Still Executing'; -- This doesn't execute with THROW

#6 楼

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

#7 楼

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

#8 楼

IF @ValidationResult = 0
BEGIN
    PRINT 'Validation fault.'
    GOTO EndScript
END

/* our code */

EndScript:

#9 楼

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-------------

#10 楼

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#14 楼

-- =================================
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

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

#15 楼

BEGIN
    raiserror('Invalid database', 15, 10)
    rollback transaction
    return
END

#16 楼

WHILE(@N <= @Count)
BEGIN
    GOTO FinalStateMent;
END

FinalStatement:
     Select @CoumnName from TableName

#17 楼

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#19 楼

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;

#20 楼

RAISERROR ('Error! Connection dead', 20, 127) WITH LOG