[SQL]死锁处理语句

引言

SQL

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
CREATE PROCEDURE sp_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 sys.sysprocesses
WHERE blocked > 0
) a
WHERE NOT EXISTS ( SELECT *
FROM ( SELECT *
FROM sys.sysprocesses
WHERE blocked > 0
) b
WHERE a.blocked = spid )
UNION
SELECT spid, blocked
FROM sys.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 N'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 N'引起数据库死锁的是: ' + CAST(@bl AS VARCHAR(10))
+ N'进程号,其执行的SQL语法如下'
ELSE
SELECT N'进程号SPID：' + CAST(@spid AS VARCHAR(10))
+ N'被进程号SPID：' + CAST(@bl AS VARCHAR(10)) N'阻塞,其当前进程执行的SQL语法如下'
DBCC INPUTBUFFER (@bl )
END
-- 循环指针下移
SET @intCounter = @intCounter + 1
END
DROP TABLE #tmp_lock_who
RETURN 0
END
go
EXEC sp_who_lock
DROP PROC  sp_who_lock
GO
SET QUOTED_IDENTIFIER OFF
GO

SET ANSI_NULLS ON

GO