USE [master]

GO

/****** Object:  StoredProcedure [dbo].[sp_who_lock]    Script Date: 02/07/2014 11:51:24 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE PROCEDURE [dbo].[usp_who_lock]

AS

BEGIN

DECLARE @spid INT,@bl INT,

@intTransactionCountOnEntry INT,

        @intRowcount    INT,

        @intCountProperties   INT,

        @intCounter    INT

CREATE TABLE #tmp_lock_who (

id INT IDENTITY(1,1),

SPID SMALLINT,

bl SMALLINT)

IF @@ERROR<>0 RETURN @@ERROR

INSERT INTO #tmp_lock_who(SPID,bl) SELECT 0 ,blocked

   FROM (SELECT * FROM sysprocesses WHERE blocked>0 ) a

   WHERE NOT EXISTS(SELECT * FROM (SELECT * FROM sysprocesses WHERE blocked>0 ) b

   WHERE a.blocked=SPID)

   UNION SELECT SPID,blocked FROM sysprocesses WHERE blocked>0

IF @@ERROR<>0 RETURN @@ERROR 

-- 找到临时表的记录数

SELECT @intCountProperties = COUNT(*),@intCounter = 1

FROM #tmp_lock_who

IF @@ERROR<>0 RETURN @@ERROR 

IF @intCountProperties=0

SELECT '现在没有阻塞和死锁信息' AS MESSAGE

-- 循环开始

WHILE @intCounter <= @intCountProperties

BEGIN

-- 取第一条记录

SELECT @spid = SPID,@bl = bl

FROM #tmp_lock_who WHERE Id = @intCounter

BEGIN

IF @spid =0

            SELECT '引起数据库死锁的是: '+ CAST(@bl AS VARCHAR(10)) + '进程号,其执行的SQL语法如下'

ELSE

            SELECT '进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ '被' + '进程号SPID：'+ CAST(@bl AS VARCHAR(10)) +'阻塞,其当前进程执行的SQL语法如下'

DBCC INPUTBUFFER (@bl )

IF @spid>0

DBCC INPUTBUFFER (@spid )

END 

-- 循环指针下移

SET @intCounter = @intCounter + 1

END

DROP TABLE #tmp_lock_who

RETURN 0

END

GO

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

--Usage

EXEC [master].[dbo].[usp_who_lock]