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dbcc inputbuffer question


dbcc inputbuffer question

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TRACEY-320982
TRACEY-320982
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i just tired it seemed fine to me
Try anything above 50 and see if this works.
Maybe not working for < 50 as this is system processes.

DECLARE @Handle binary(20)
SELECT @Handle = sql_handle FROM master.dbo.sysprocesses WHERE spid = 51
SELECT * FROM ::fn_get_sql(@Handle)
Jeff Moden
Jeff Moden
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Thanks for the feedback, Tracey. Except for the SPID (I had an active connection with 58), that's the exact code I used. Got zero rows in return no matter which active spid I used.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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TRACEY-320982
TRACEY-320982
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Hmm then not so sure why nothing comes out.

Try this one

------------------------------------------------------
--Get just one details from the spid (A)
------------------------------------------------------
SELECT r.session_id, r.status, r.start_time, r.command
FROM sys.dm_exec_requests r
------------------------------------------------------
--Get SPID then pass back FROM (A)
------------------------------------------------------
SELECT r.session_id, r.status, r.start_time, r.command, s.text
FROM sys.dm_exec_requests r
CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) s
WHERE r.session_id = '58'
RBarryYoung
RBarryYoung
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This doesn't work on Sql2000 does it?

I seem to recall that the "hooks" were in Sql2000, but they never returned anything. Maybe there is some patch or tool that you need to apply for 2000.

It works fine in Sql2005.

-- RBarryYoung, (302)375-0451 blog: MovingSQL.com, Twitter: @RBarryYoung
Proactive Performance Solutions, Inc.
"Performance is our middle name."
TRACEY-320982
TRACEY-320982
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Oh is this for SQL 2000 sorry thought it was for SQL 2005.

I could not get the handles to work in SQL 2000

Try this for SQL 2000 (This is what i used a lot )
TO run procedure exec sp_now


SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROCEDURE sp_Now
as
set nocount on
declare @handle binary(20),
@spid smallint,
@rowcnt smallint,
@output varchar(500)

declare ActiveSpids CURSOR FOR
select sql_handle, spid
from sysprocesses
where sql_handle <> 0x0000000000000000000000000000000000000000
--and spid <> @@SPID
order by cpu desc

OPEN ActiveSpids
FETCH NEXT FROM ActiveSpids
INTO @handle,
@spid


set @rowcnt = @@CURSOR_ROWS

print '===================='
print '= CURRENT ACTIVITY ='
print '===================='
print ' '
set @output = 'ACTIVE SPIDS: ' + convert(varchar(4),@rowcnt)
print @output


WHILE (@@FETCH_STATUS = 0)
BEGIN
print ' '
print ' '
print 'O' + replicate('x',120) + 'O'
print 'O' + replicate('x',120) + 'O'
print ' '
print ' '
print ' '

select 'loginame' = left(loginame, 30),
'hostname' = left(hostname,30),
'datagbase' = left(db_name(dbid),30),
'spid' = str(spid,4,0),
'block' = str(blocked,5,0),
'phys_io' = str(physical_io,8,0),
'cpu(mm:ss)' = str((cpu/1000/60),6) + ':' + case when left((str(((cpu/1000) % 60),2)),1) = ' ' then stuff(str(((cpu/1000) % 60),2),1,1,'0') else str(((cpu/1000) % 60),2) END ,
'mem(MB)' = str((convert(float,memusage) * 8192.0 / 1024.0 / 1024.0),8,2),
'program_name' = left(program_name,50),
'command' = cmd,
'lastwaittype' = left(lastwaittype,15),
'login_time' = convert(char(19),login_time,120),
'last_batch' = convert(char(19),last_batch,120),
'status' = left(status, 10),
'nt_username' = left(nt_username,20)
from master..sysprocesses
where spid = @spid
print ' '
print ' '

-- Dump the inputbuffer to get an idea of what the spid is doing
dbcc inputbuffer(@spid)
print ' '
print ' '

-- Use the built-in function to show the exact SQL that the spid is running
select * from ::fn_get_sql(@handle)

FETCH NEXT FROM ActiveSpids
INTO @handle,
@spid
END
close ActiveSpids
deallocate ActiveSpids

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
Jeff Moden
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My bad, Tracey... I said in my post that I was "Running 2k sp3a"... not a real obvious note on my part... sorry and thanks for the idea.

Barry, thanks for the note about the hooks being there and the functionality not.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
bitbucket-25253
bitbucket-25253
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TRACEY,
Thanks copied your posting and it works in 2000 and Express 2005.

If everything seems to be going well, you have obviously overlooked something.

Ron

Please help us, help you -before posting a question please read

Before posting a performance problem please read
TRACEY-320982
TRACEY-320982
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Hi adam yes that view is great i use it all the time.
You got one for SQL 2005 .........sp_now BigGrin
brett-694457
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If you don't get records, it's probably because of a parallel query. Change the where clause to look at the ecid as well.

where spid=(yourspid) and ecid=0
eduardo.pin
eduardo.pin
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Adam, good job! really good view!!!
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