SET XACT_ABORT各种用法及显示结果

本文介绍了SQL中使用SETXACT_ABORT来控制事务的行为。通过具体的示例演示了在不同设置下,如何实现仅回滚错误语句、整个事务回滚以及仅回滚发生错误的语句等场景。

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默认行为

  默认为SET XACT_ABORT OFF,没有事务行为。

SET XACT_ABORT ON

  SET XACT_ABORT ON分为两种:

  1、总体作为一个事务,整体提交或整体回滚,格式为:

SET XACT_ABORT ON
BEGIN TRAN
    --要执行的语句
COMMIT TRAN
GO

  2、每个语句作为一个事务,事务在错误行终止,错误行回滚,错误行之前的不回滚,格式为:

SET XACT_ABORT ON
BEGIN
    --要执行的语句
END
GO

测试

复制代码
--创建测试表
use MyDB
CREATE TABLE student
(    
        stuid int NOT NULL PRIMARY KEY,
        stuname varchar(50)
)
CREATE TABLE score 
(
        stuid int NOT NULL REFERENCES student(stuid),
        score int
)
GO

--插入测试数据
INSERT INTO student VALUES (101,'zhangsan') 
INSERT INTO student VALUES (102,'wangwu') 
INSERT INTO student VALUES (103,'lishi') 
INSERT INTO student VALUES (104,'maliu') 
GO

---------------测试事务提交------------------
use MyDB
--只回滚错误行,语句还继续执行
SET XACT_ABORT OFF
BEGIN TRAN
    INSERT INTO score  VALUES (101,90)
    INSERT INTO score VALUES (102,78) 
    INSERT INTO score VALUES (107,76) /* Foreign Key Error */ 
    INSERT INTO score VALUES (103,81) 
    INSERT INTO score VALUES (104,65) 
COMMIT TRAN
GO
/*
stuid       score
----------- -----------
101         90
102         78
103         81
104         65

(4 row(s) affected)
*/

use MyDB
--事务终止并全部回滚
SET XACT_ABORT ON
BEGIN TRAN
    INSERT INTO score  VALUES (101,90)
    INSERT INTO score VALUES (102,78) 
    INSERT INTO score VALUES (107,76) /* Foreign Key Error */ 
    INSERT INTO score VALUES (103,81) 
    INSERT INTO score VALUES (104,65) 
COMMIT TRAN
GO
/*
stuid       score
----------- -----------
(0 row(s) affected)
*/

use MyDB
--事务在错误行终止,错误行回滚,错误行之前的不回滚
SET XACT_ABORT ON
BEGIN
INSERT INTO score  VALUES (101,90)
    INSERT INTO score VALUES (102,78) 
    INSERT INTO score VALUES (107,76) /* Foreign Key Error */ 
    INSERT INTO score VALUES (103,81) 
    INSERT INTO score VALUES (104,65) 
END
GO
/*
stuid       score
----------- -----------
101         90
102         78
(2 row(s) affected)
*/
复制代码
USE [DXQcontrol_L1HIMCP1_Operational_W] GO /****** Object: StoredProcedure [dbo].[prodExecmgmtIdent__processBR] Script Date: 7/29/2025 9:03:21 AM ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO /*----------------------------------------------------------------------- Project: Duerr EcoEmos - Module Ident Stored Procedure: dbo.prodExecmgmtIdent__processBR Author: JM Initial date: 11. Nov 2020 Revisions: rev 1 - 11. Nov 2020, JM: wrapper function for the old OrderManagement to call dbo.prodExecmgmtIdent__processDR Input: @arg_dateEvt PLC timestamp of the reading event @arg_szRWStationTag Tagname for the reader (configured in table DS_CfgRegistrationPoint_TAB and for FB369 in addition in file IdentServer.ini) @arg_szDatasetIn Tracking data from PLC Output: @arg_szDatasetOut The mds data string which was merged by the new data from PLC and the last stored data string from DS_MDS_TAB Return: See the return codes of the several variables with name @iRetCode... ------------------------------------------------------------------------*/ CREATE PROCEDURE [dbo].[prodExecmgmtIdent__processBR] @arg_dateEvt DATETIME ,@arg_szRWStationTag NStringMin ,@arg_szDatasetIn VARCHAR(MAX) ,@arg_szDatasetOut VARCHAR(MAX) OUTPUT AS BEGIN SET NOCOUNT ON; SET XACT_ABORT ON; SET DEADLOCK_PRIORITY HIGH; DECLARE @object_name VARCHAR(128) = OBJECT_SCHEMA_NAME(@@PROCID) + '.' + OBJECT_NAME(@@PROCID); ---------------------------------------------------------------------------------------------------- -- PRREQ-1908: avoid start of process with an open or uncommitted transaction DECLARE @log VARCHAR(MAX) = ''; DECLARE @tempTable TABLE(logExt VARCHAR(MAX)); IF XACT_STATE() <> 0 BEGIN SET @log = 'Start ' + @object_name + '; '; SET @log += '@@TRANCOUNT = ' + CAST(@@TRANCOUNT AS VARCHAR(MAX)) + '; '; SET @log += 'XACT_STATE() = ' + CAST(XACT_STATE() AS VARCHAR(MAX)) + '; '; SET @log += '@@spid = ' + CAST(@@spid AS VARCHAR(MAX)) + '; '; SET @log += 'ProcParam: '; SET @log += 'rwStation: ' + @arg_szRWStationTag + '; '; SET @log += 'bodyId: ' + dbo.DS_FCT_GetPLCValueOf_(@arg_szDatasetIn, 'bodyId') + '; '; SET @log += 'skidId: ' + dbo.DS_FCT_GetPLCValueOf_(@arg_szDatasetIn, 'skidId') + '; '; SET @log += 'skidType: ' + dbo.DS_FCT_GetPLCValueOf_(@arg_szDatasetIn, 'skidType') + '; '; INSERT INTO @tempTable (logExt) SELECT DISTINCT 'spid=' + CAST(S.spid AS VARCHAR(MAX)) + '; hostname=' + RTRIM(S.hostname) + '; program_name=' + RTRIM(S.program_name) + '; hostprocess=' + RTRIM(S.hostprocess) + '; text=' + D.text + '; lastwaittype=' + RTRIM(S.lastwaittype) FROM sys.sysprocesses S CROSS APPLY sys.dm_exec_sql_text(S.sql_handle) D WHERE S.open_tran > 0; --ORDER BY S.hostname, S.program_name; ROLLBACK TRANSACTION; INSERT INTO dbo.DS_MDSErrorLog_TAB (dateEvt, rwStationId, source, errorCode, errorText) SELECT GETDATE(), @arg_szRWStationTag, @object_name, 'WARNING', isnull(logExt,'-') FROM @tempTable; EXEC dbo.DS_SP_MDSWriteToErrorLog @arg_rwStationId = @arg_szRWStationTag, @arg_szSource = @object_name, @arg_szErrorCode = 'WARNING', @arg_szErrorText = @log; END; ---------------------------------------------------------------------------------------------------- DECLARE @iRetValue INT; ------------------------------------------------------------------------------- -- write this information into log EXEC [dbo].[DS_SP_MDSWriteToLogger] @arg_szRWStationTag, @object_name, @arg_szDatasetIn; ------------------------------------------------------------------------------- -- set the prober function code SET @arg_szDatasetIn = STUFF( @arg_szDatasetIn, 1, 2, 'DR'); EXEC @iRetValue = [dbo].[prodExecmgmtIdent__processDR] @arg_dateEvt, -- DATETIME @arg_szRWStationTag, -- NStringMin @arg_szDatasetIn, -- VARCHAR(MAX) @arg_szDatasetOut OUTPUT; -- VARCHAR(MAX) RETURN @iRetValue; END; GO 逐条解析sqlserver的Sql语句语法用法
最新发布
07-30
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