Re: [PATCHES] Partition: use triggers instead of rules

From: David Fetter <david(at)fetter(dot)org>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paesold <mpaesold(at)gmx(dot)at>, NikhilS <nikkhils(at)gmail(dot)com>, "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>, PostgreSQL Docs <pgsql-docs(at)postgresql(dot)org>, PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [PATCHES] Partition: use triggers instead of rules
Date: 2007-11-29 17:52:36
Message-ID: 20071129175236.GC27157@fetter.org
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On Thu, Nov 29, 2007 at 11:42:18AM -0500, Bruce Momjian wrote:
> Joshua D. Drake wrote:
> > Tom Lane wrote:
> > > "Joshua D. Drake" <jd(at)commandprompt(dot)com> writes:
> > >> Rules are extremely slow in comparisons and not anywhere near as
> > >> flexible. As I said up post yesterday... they work well in the basic
> > >> partitioning configuration but anything else they are extremely deficient.
> > >
> > > I think that the above claim is exceedingly narrow-minded.
> >
> > We are talking about partitioning. It is supposed to be narrow-minded.
>
> Sure, but look at all the confusion we have had just on this list about
> it. We had better state why triggers should be used in place of rules
> _for_ _partitioning_ or that confusion will continue.

Please find enclosed a patch with use cases for each.

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
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