Re: Query is stuck

On 4/14/2010 9:42 AM, Bill Moran wrote:
>
> Man, it's hard to read your emails.  I've reformatted, I suggest you
> improve the formatting on future emails, as I was about to say "to
> hell with this question" because it was just too difficult to read,
> and I expect there are others on the list who did just that.
>    
I did for the most part.
> select report_id, dm_ip, dm_mac, dm_user,
>         dm_os, report_time, sys_name,
>         sys_user, sys_user_domain, ss_key,
>         login_time, role_id, new_vlan_id
>    from repcopy as a
>    where report_time = (
>      select max(report_time) from repcopy as b
>        where a.dm_user=b.dm_user and a.dm_ip = b.dm_ip and b.ss_key != ''
>        )
>      and report_status = 0 and dm_user = 'u3';
>
>    
I suggest writting something like this.

select report_id, dm_ip, dm_mac, dm_user,
        dm_os, report_time, sys_name,
        sys_user, sys_user_domain, ss_key,
        login_time, role_id, new_vlan_id
   from repcopy as a
	(select max(report_time) as rtime, 	
  			dm_user, dm_ip
		from repcopy
		group by dm_user, dm_ip
		where ss_key != '') as materialized
   where report_time = materialized.rtime
    and materialized.dm_user = a.dm_user
    and materialized.dm__ip = a_ip
    and report_status = 0
    and dm_user = 'u3';




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