Re: MAX/MIN optimization via rewrite (plus query
От | Bruno Wolff III |
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Тема | Re: MAX/MIN optimization via rewrite (plus query |
Дата | |
Msg-id | 20041111175906.GB25936@wolff.to обсуждение исходный текст |
Ответ на | Re: MAX/MIN optimization via rewrite (plus query (Simon Riggs <simon@2ndquadrant.com>) |
Ответы |
Re: MAX/MIN optimization via rewrite (plus query
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Список | pgsql-hackers |
On Thu, Nov 11, 2004 at 09:29:14 +0000, Simon Riggs <simon@2ndquadrant.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.
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