Return Query Text Along With sp_who2 Using Dynamic Management Views

  • Alz

    Grasshopper

    Points: 20

    Very nice script Ken.

    Just wondering if you can comment on how process intensive it may be. Would you say it's safe to use in production systems as an alternative to using SQL Profiler :crazy:

  • KenSimmons

    SSCertifiable

    Points: 7822

    It is not process intensive. Many people use sp_who2 to get a quick view of what is going on on the server. This is by no means a replacement for profiler, but it does give you a quick snapshot of what is happening on the server.

  • Nabha

    SSCrazy Eights

    Points: 8534

    Hi,

    I got this error too as the database compatibility level was set to 80 and I think for this table valued function to work the compatibilty level has to be 90 which you can set using this command,

    Exec sp_dbcmptlevel @dbname = 'yourdb', @new_cmptlevel = 90

    But when I execute the query after setting the compatibility level to 90, its giving another error, 'The user does not have permission to perform this action.' I am the dbo for the database.

    Can anyone please let me know if I have to be sysadmin for this or if I need any particular role at the server level. Please dont mind this question if it is very obvious as I am very new to SQL server database. Any suggestion would be appreciated.

    ---------------------------------------------------------------------------------

  • EamonSQL

    SSCrazy

    Points: 2300

    Hi,

    it runs fine for me but the SQLStatement associated with the blocking session is NULL. The SQLStatement text for the session being blocked is ok.

    When i run DBCC inputbuffer(spid) against either session i get text returned.

    am i missing something here ?

    Any help welcome:)

    Eamon

  • Shon Thompson

    SSC-Addicted

    Points: 414

    This query does not return the last sql statement issues like inputbuffer does. It only gives the sql for statements currently running. Also, for stored procedures, it does not return the exec statement. It returns the create procedure statement.

  • digivince

    SSC-Addicted

    Points: 420

    I added stored proc drop and create statements, meaning you run the following to create a proc, then just exec sp_who2DMV...

    USE [master]

    GO

    IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_who2DMV]') AND type in (N'P', N'PC'))

    DROP PROCEDURE [dbo].[sp_who2DMV]

    GO

    SET ANSI_NULLS ON

    GO

    SET QUOTED_IDENTIFIER ON

    GO

    CREATE PROC [dbo].[sp_who2DMV]

    AS

    SELECT D.text SQLStatement, A.Session_ID SPID, ISNULL(B.status,A.status) Status, A.login_name Login,

    A.host_name HostName, C.BlkBy, DB_NAME(B.Database_ID) DBName, B.command, ISNULL(B.cpu_time, A.cpu_time) CPUTime,

    ISNULL((B.reads + B.writes),(A.reads + A.writes)) DiskIO, A.last_request_start_time LastBatch, A.program_name

    FROM

    sys.dm_exec_sessions A

    LEFT JOIN

    sys.dm_exec_requests B

    ON A.session_id = B.session_id

    LEFT JOIN

    (

    SELECT

    A.request_session_id SPID,

    B.blocking_session_id BlkBy

    FROM sys.dm_tran_locks as A

    INNER JOIN sys.dm_os_waiting_tasks as B

    ON A.lock_owner_address = B.resource_address

    ) C

    ON A.Session_ID = C.SPID

    OUTER APPLY sys.dm_exec_sql_text(sql_handle) D

    WHERE A.Session_ID > 50;

    Columbus, GA SQL Server User Group
    http://columbusga.sqlpass.org/

  • bryanellis

    Valued Member

    Points: 64

    As a .NET developer using SQL Server exclusively I have found that it is very easy to forget to close connections when using datasets with table adapters or readers. Due to this I needed a way to find the SQL text for the IDLE connections that were orphaned by my application. This script provided 99% of what I needed. THANK YOU!!!! Here is my updated script which also joins the sys.dm_exec_connections view to find the last SQL command run on the connections. In this way I can find the code responsible for the call to SQL and add the required closes for the connections.

    SELECT

    t.text AS SQLStatement,

    s.Session_ID AS SPID,

    COALESCE(r.status, s.status) AS Status,

    s.login_name AS Login,

    s.host_name AS HostName,

    lw.BlkBy AS BlockedBy,

    DB_NAME(r.Database_ID) AS DBName,

    r.command AS Command,

    COALESCE(r.cpu_time, s.cpu_time) AS CPUTime,

    COALESCE((r.reads + r.writes), (s.reads + s.writes)) AS DiskIO,

    s.last_request_start_time AS LastBatch,

    s.program_name AS ProgramName

    FROM

    sys.dm_exec_sessions AS s

    LEFT JOIN

    sys.dm_exec_requests AS r

    ON

    s.session_id = r.session_id

    LEFT JOIN

    sys.dm_exec_connections AS c

    ON

    s.Session_ID = c.Session_ID

    LEFT JOIN

    (

    SELECT

    l.request_session_id AS SPID,

    w.blocking_session_id AS BlkBy

    FROM

    sys.dm_tran_locks as l

    INNER JOIN

    sys.dm_os_waiting_tasks as w

    ON

    l.lock_owner_address = w.resource_address

    ) AS lw

    ON

    s.Session_ID = lw.SPID

    OUTER APPLY

    sys.dm_exec_sql_text(COALESCE(r.sql_handle, c.most_recent_sql_handle)) AS t

    Thanks again!!!!!

  • digivince

    SSC-Addicted

    Points: 420

    > a year later, ha... I ran across this thread in a search and realized I never came back and posted the version I've been using since shortly after my previous sp_who2DMV post.... This version compiles the work from KenSimmons and Grasshopper into one proc. It also accepts a parm... For example you can enter sp_who2DMV 'CPU' to sort desc by highest CPU. See comments for more.

    USE [master]

    GO

    IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[sp_who2DMV]') AND type in (N'P', N'PC'))

    DROP PROCEDURE [dbo].[sp_who2DMV]

    GO

    SET ANSI_NULLS ON

    GO

    SET QUOTED_IDENTIFIER ON

    GO

    CREATE PROC [dbo].[sp_who2DMV]

    @ORDERBY VARCHAR(4) = 'SPID'

    /*

    The @ORDERBY parameter supports:

    "CPU" CPUTime

    "IO" DiskIO

    "USR" Login (user)

    "HOST" HostName

    "APP" AppName

    Execution examples:

    EXEC sp_who2DMV --No order by (orders by SPID by default)

    EXEC sp_who2DMV 'CPU' --orders by highest CPU Time

    EXEC sp_who2DMV 'IO' --orders by highest Disk IO

    */

    AS

    IF ((SELECT

    CASE

    WHEN @ORDERBY in ('SPID', 'CPU', 'IO', 'USR', 'HOST', 'APP')

    THEN 1

    ELSE 0

    END) = 0)

    BEGIN

    -- abort if invalid @ORDERBY parameter entered

    RAISERROR('@ORDERBY parameter not SPID, CPU, IO, USR, HOST or APP',11,1)

    RETURN

    END

    SELECT

    t.text AS SQLStatement,

    s.Session_ID AS SPID,

    COALESCE(r.status, s.status) AS Status,

    s.login_name AS Login,

    s.host_name AS HostName,

    lw.BlkBy AS BlockedBy,

    DB_NAME(r.Database_ID) AS DBName,

    r.command AS Command,

    COALESCE(r.cpu_time, s.cpu_time) AS CPUTime,

    COALESCE((r.reads + r.writes), (s.reads + s.writes)) AS DiskIO,

    s.last_request_start_time AS LastBatch,

    s.program_name AS ProgramName

    FROM

    sys.dm_exec_sessions AS s

    LEFT JOIN

    sys.dm_exec_requests AS r

    ON

    s.session_id = r.session_id

    LEFT JOIN

    sys.dm_exec_connections AS c

    ON

    s.Session_ID = c.Session_ID

    LEFT JOIN

    (

    SELECT

    l.request_session_id AS SPID,

    w.blocking_session_id AS BlkBy

    FROM

    sys.dm_tran_locks as l

    INNER JOIN

    sys.dm_os_waiting_tasks as w

    ON

    l.lock_owner_address = w.resource_address

    ) AS lw

    ON

    s.Session_ID = lw.SPID

    OUTER APPLY

    sys.dm_exec_sql_text(COALESCE(r.sql_handle, c.most_recent_sql_handle)) AS t

    WHERE s.Session_ID > 50

    ORDER BY

    CASE

    WHEN @ORDERBY = 'CPU' THEN cast(ISNULL(r.cpu_time, s.cpu_time) as varchar)

    WHEN @ORDERBY = 'IO' THEN cast(ISNULL((r.reads + r.writes),(s.reads + s.writes)) as varchar)

    WHEN @ORDERBY = 'USR' THEN s.login_name

    WHEN @ORDERBY = 'HOST' THEN s.host_name

    WHEN @ORDERBY = 'APP' THEN s.program_name

    END DESC

    Columbus, GA SQL Server User Group
    http://columbusga.sqlpass.org/

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