Re: OOP - a question about database access
Date: Tue, 11 Nov 2003 16:23:18 GMT
Message-ID: <W18sb.172490$Tr4.460914_at_attbi_s03>
"Alfredo Novoa" <alfredo_at_ncs.es> wrote in message news:e4330f45.0311110619.3d1f9cfc_at_posting.google.com...
> "Marshall Spight" <mspight_at_dnai.com> wrote in message news:<mWPrb.120173$ao4.372128@attbi_s51>...
>
> > Sometimes you *want* to specify the algorithm, and not just the
> > result, for performance reasons. That said, one still wants to be
> > as declarative as possible. (One may also wish to separate the
> > levels at which one acts procedurally vs. declaratively.)
>
> A good way is to have an extendable optimizer.
>
> The optimizer would recognize a special pattern and would execute the
> specific algorithm behind the scenes.
Yes, exactly.
In fact, it strikes me that one want to have such facilities generalized.
Marshall Received on Tue Nov 11 2003 - 17:23:18 CET