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sys.sp_who2

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Syntax
create procedure sys.sp_who2  --- 1995/11/03 10:16
    @loginame     sysname = NULL
as

set nocount on

declare
    @retcode         int

declare
    @sidlow         varbinary(85)
   ,@sidhigh        varbinary(85)
   ,@sid1           varbinary(85)
   ,@spidlow         int
   ,@spidhigh        int

declare
    @charMaxLenLoginName      varchar(6)
   ,@charMaxLenDBName         varchar(6)
   ,@charMaxLenCPUTime        varchar(10)
   ,@charMaxLenDiskIO         varchar(10)
   ,@charMaxLenHostName       varchar(10)
   ,@charMaxLenProgramName    varchar(10)
   ,@charMaxLenLastBatch      varchar(10)
   ,@charMaxLenCommand        varchar(10)

declare
    @charsidlow              varchar(85)
   ,@charsidhigh             varchar(85)
   ,@charspidlow              varchar(11)
   ,@charspidhigh             varchar(11)

-- defaults

select @retcode         = 0      -- 0=good ,1=bad.
select @sidlow = convert(varbinary(85), (replicate(char(0), 85)))
select @sidhigh = convert(varbinary(85), (replicate(char(1), 85)))

select
    @spidlow         = 0
   ,@spidhigh        = 32767


IF (@loginame IS     NULL)  --Simple default to all LoginNames.
      GOTO LABEL_17PARM1EDITED

-- select @sid1 = suser_sid(@loginame)
select @sid1 = null
if exists(select * from sys.syslogins where loginname = @loginame)
	select @sid1 = sid from sys.syslogins where loginname = @loginame

IF (@sid1 IS NOT NULL)  --Parm is a recognized login name.
   begin
   select @sidlow  = suser_sid(@loginame)
         ,@sidhigh = suser_sid(@loginame)
   GOTO LABEL_17PARM1EDITED
   end



IF (lower(@loginame collate Latin1_General_CI_AS) IN ('active'))  --Special action, not sleeping.
   begin
   select @loginame = lower(@loginame collate Latin1_General_CI_AS)
   GOTO LABEL_17PARM1EDITED
   end



IF (patindex ('%[0-9]%' , isnull(@loginame,'z')) = 0)  --Is a number.
   begin
   select
             @spidlow   = convert(int, @loginame)
            ,@spidhigh  = convert(int, @loginame)
   GOTO LABEL_17PARM1EDITED
   end



raiserror(15007,-1,-1,@loginame)
select @retcode = 1
GOTO LABEL_86RETURN


LABEL_17PARM1EDITED:


--------------------  Capture consistent sysprocesses.  

select

  spid
 ,status
 ,sid
 ,hostname
 ,program_name
 ,cmd
 ,cpu
 ,physical_io
 ,blocked
 ,dbid
 ,convert(sysname, rtrim(loginame))
        as loginname
 ,spid as 'spid_sort'

 ,  substring( convert(varchar,last_batch,111) ,6  ,5 ) + ' '
  + substring( convert(varchar,last_batch,113) ,13 ,8 )
       as 'last_batch_char'
 ,request_id

      into    #tb1_sysprocesses
      from sys.sysprocesses_ex with (nolock)

if @@error <> 0
	begin
		select @retcode = @@error
		GOTO LABEL_86RETURN
	end

--------Screen out any rows?

if (@loginame in ('active'))
   delete #tb1_sysprocesses
         where   lower(status)  = 'sleeping'
         and     upper(cmd)    in (
                     'AWAITING COMMAND'
                    ,'LAZY WRITER'
                    ,'CHECKPOINT SLEEP'
                                  )

         and     blocked       = 0



--------Prepare to dynamically optimize column widths.


select
    @charsidlow     = convert(varchar(85),@sidlow)
   ,@charsidhigh    = convert(varchar(85),@sidhigh)
   ,@charspidlow     = convert(varchar,@spidlow)
   ,@charspidhigh    = convert(varchar,@spidhigh)



select
             @charMaxLenLoginName =
                  convert( varchar
                          ,isnull( max( datalength(loginname)) ,5)
                         )

            ,@charMaxLenDBName    =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),db_name(dbid))))) ,6)
                         )

            ,@charMaxLenCPUTime   =
                  convert( varchar
          ,isnull( max( datalength( rtrim(convert(varchar(128),cpu)))) ,7)
                         )

            ,@charMaxLenDiskIO    =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),physical_io)))) ,6)
                         )

            ,@charMaxLenCommand  =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),cmd)))) ,7)
                         )

            ,@charMaxLenHostName  =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),hostname)))) ,8)
                         )

            ,@charMaxLenProgramName =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),program_name)))) ,11)
                         )

            ,@charMaxLenLastBatch =
                  convert( varchar
                          ,isnull( max( datalength( rtrim(convert(varchar(128),last_batch_char)))) ,9)
                         )
      from
             #tb1_sysprocesses
      where
             spid >= @spidlow
      and    spid <= @spidhigh



--------Output the report.


EXEC(
'
SET nocount off

SELECT
             SPID          = convert(char(5),spid)

            ,Status        =
                  CASE lower(status)
                     When ''sleeping'' Then lower(status)
                     Else                   upper(status)
                  END

            ,Login         = substring(loginname,1,' + @charMaxLenLoginName + ')

            ,HostName      =
                  CASE hostname
                     When Null  Then ''  .''
                     When '' '' Then ''  .''
                     Else    substring(hostname,1,' + @charMaxLenHostName + ')
                  END

            ,BlkBy         =
                  CASE               isnull(convert(char(5),blocked),''0'')
                     When ''0'' Then ''  .''
                     Else            isnull(convert(char(5),blocked),''0'')
                  END

            ,DBName        = substring(case when dbid = 0 then null when dbid <> 0 then db_name(dbid) end,1,' + @charMaxLenDBName + ')
            ,Command       = substring(cmd,1,' + @charMaxLenCommand + ')

            ,CPUTime       = substring(convert(varchar,cpu),1,' + @charMaxLenCPUTime + ')
            ,DiskIO        = substring(convert(varchar,physical_io),1,' + @charMaxLenDiskIO + ')

            ,LastBatch     = substring(last_batch_char,1,' + @charMaxLenLastBatch + ')

            ,ProgramName   = substring(program_name,1,' + @charMaxLenProgramName + ')
            ,SPID          = convert(char(5),spid)  --Handy extra for right-scrolling users.
            ,REQUESTID       = convert(char(5),request_id)
      from
             #tb1_sysprocesses  --Usually DB qualification is needed in exec().
      where
             spid >= ' + @charspidlow  + '
      and    spid <= ' + @charspidhigh + '

      -- (Seems always auto sorted.)   order by spid_sort

SET nocount on
'
)


LABEL_86RETURN:


if (object_id('tempdb..#tb1_sysprocesses') is not null)
            drop table #tb1_sysprocesses

return @retcode -- sp_who2

 
Last revision 2008RTM
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