Re: MAX/MIN optimization via rewrite (plus query

On Thu, Nov 11, 2004 at 11:59:06AM -0600, Bruno Wolff III wrote:
> On Thu, Nov 11, 2004 at 09:29:14 +0000,
> Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> > On Wed, 2004-11-10 at 22:48, Mark Kirkwood wrote:
> > > Planning for future note: I would like whatever mechanism that is added
> > > for this MAX/MIN stuff to be amenable to more subtle things like
> > > aggregate navigation (see R.Kimball's article
> > > http://www.dbmsmag.com/9608d54.html).
> > >
> >
> > With you on that one...
>
> I disaggree. What that author is suggesting is orthogonal to what is being
> proposed by Mark. That article is really suggesting a varient of materialized
> views where you can use the normal aggregate notation instead of having
> to use a special column name to get access to an aggregate in the
> materialized view.

And it also appears to be completely missing the automatic query rewrite
capabilites found in Oracle, DB2, and MSSQL.
--
Jim C. Nasby, Database Consultant decibel(at)decibel(dot)org
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