On Wed, 12 Nov 2003, Greg Stark wrote:
>
> "Marc G. Fournier" <scrappy@postgresql.org> writes:
>
> > Just as a side note, just doing a straight scan for the records, with no
> > SUM()/GROUP BY involved, with the month_trunc() index is still >8k msec:
>
> One of the other advantages of these aggregate tables was that we could
> purge the old data much sooner with much less resistance from the
> business. Since the reports were all still available and a lot of ad-hoc
> queries could still be done without the raw data anyways.
Actually, what I've done is do this at the 'load stage' ... but same
concept ...
