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- IF OBJECT_ID('tempdb..#Blocks') IS NOT NULL
- DROP TABLE #Blocks
- SELECT spid
- ,blocked
- ,REPLACE (REPLACE (st.TEXT, CHAR(10), ' '), CHAR (13), ' ' ) AS batch
- INTO #Blocks
- FROM sys.sysprocesses spr
- CROSS APPLY sys.dm_exec_sql_text(spr.SQL_HANDLE) st
- GO
- WITH BlockingTree (spid, blocking_spid, [level], batch)
- AS
- (
- SELECT blc.spid
- ,blc.blocked
- ,CAST (REPLICATE ('0', 4-LEN (CAST (blc.spid AS VARCHAR))) + CAST (blc.spid AS VARCHAR) AS VARCHAR (1000)) AS [level]
- ,blc.batch
- FROM #Blocks blc
- WHERE (blc.blocked = 0 OR blc.blocked = SPID)
- AND EXISTS (SELECT * FROM #Blocks blc2 WHERE blc2.BLOCKED = blc.SPID AND blc2.BLOCKED <> blc2.SPID)
- UNION ALL
- SELECT blc.spid
- ,blc.blocked
- ,CAST(bt.[level] + RIGHT (CAST ((1000 + blc.SPID) AS VARCHAR (100)), 4) AS VARCHAR (1000)) AS [level]
- ,blc.batch
- FROM #Blocks AS blc
- INNER JOIN BlockingTree bt ON blc.blocked = bt.SPID
- WHERE blc.blocked > 0
- AND blc.blocked <> blc.SPID
- )
- SELECT N'' + ISNULL(REPLICATE (N'| ', LEN (LEVEL)/4 - 2),'')
- + CASE WHEN (LEN(LEVEL)/4 - 1) = 0 THEN '' ELSE '|------ ' END
- + CAST (bt.SPID AS NVARCHAR (10)) AS BlockingTree
- ,spr.lastwaittype AS [Type]
- ,spr.loginame AS [Login Name]
- ,st.text AS [SQL Text]
- ,DB_NAME(spr.dbid) AS [Database]
- ,spr.cmd AS [Command]
- ,spr.waitresource AS [Wait Resource]
- ,spr.program_name AS [Application]
- ,spr.hostname AS [HostName]
- ,spr.last_batch AS [Last Batch Time]
- FROM BlockingTree bt
- LEFT OUTER JOIN sys.sysprocesses spr ON spr.spid = bt.spid
- CROSS APPLY sys.dm_exec_sql_text(spr.SQL_HANDLE) st
- ORDER BY LEVEL ASC
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