[SQL]死锁处理语句

原文:[SQL]死锁处理语句

引言

今天在群里看到分享的解决死锁的sql语句，就想着这东西以后肯定用的着，就下载下来，在这里记录一下，以后查找也方便。

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