sp_dba_vdevno.sql

>>Script Language and Platform: Sybase Transact SQL
This stored procedure displays used vdevno & shows the first free vdevno.

Author: jflebon

use sybsystemprocs
go
if exists (select name from sybsystemprocs..sysobjects
  where name=”sp_dba_vdevno” and type=”P”)
   begin
        drop procedure sp_dba_vdevno
   end
go
create procedure sp_dba_vdevno
as
/*
 *@(#) Author   : JF LEBON
 *@(#) Version  : 1.1
 *@(#) Date     : 31/05/2003
 *@(#) Syntax   : exec sp_dba_vdevno
 *@(#) Comments : Display used vdevno & show first free vdevno
 *@(#) Changes  :
 */
set nocount on
— Few variables…
declare @msg varchar(255), @firstfreevdevno int
— Nobody but SA !
if suser_id() !=1
begin
        select @msg = “WARNING : You must be SA to execute this procedure.”
        print @msg
        return (1)
end
— Never use it inside a transaction !
if @@trancount > 0
begin
        print “WARNING : You CANNOT use this procedure inside a transaction.”
        return (1)
end
— Enjoy your flight !
select ‘vdevno’ = low/power(2,24), ‘device_name’ = name, status
from master..sysdevices where cntrltype = 0 order by ‘vdevno’
print ”
select @firstfreevdevno = max(low/power(2,24)) +1
from master..sysdevices where cntrltype = 0
select  ‘DEVICES’ = ‘======>’, ‘Config Value’ = a.value, ‘Run Value’ = b.value,
‘First Free vdevno’ = @firstfreevdevno
from master..sysconfigures a,  master..syscurconfigs b
where a.config = b.config and a.name = “number of devices”
go

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