On Fri, Jun 19, 2009 at 1:05 PM, Brian Cox<brian.cox@ca.com> wrote:
> Thanks to all for the analysis and suggestions. Since the number of rows in
> an hour < ~500,000, brute force looks to be a fast solution:
>
> select ts_id from ... where ts_interval_start_time >= ... and ...
>
> This query runs very fast as does a single pass through the ids to find the
> min and max.
Along those lines, couldn't you just have the DB do the work?
select max(ts_id), min(ts_id) from ... where ts_interval_start_time >=
... and ...
Then you don't have to transfer 500k ids across the network...
-Dave