From: David Fetter <david@fetter.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL Docs <pgsql-docs@postgresql.org>
Cc: PostgreSQL Patches <pgsql-patches@postgresql.org>
Subject: Re: Partition: use triggers instead of rules
Date: Wed, 28 Nov 2007 16:53:34 -0800
Message-ID: <20071129005334.GN24146@fetter.org> (raw)
In-Reply-To: <24889.1196288258@sss.pgh.pa.us>
References: <20071128202615.GG24146@fetter.org>
<21686.1196283184@sss.pgh.pa.us>
<20071128205710.GL24146@fetter.org>
<24889.1196288258@sss.pgh.pa.us>
On Wed, Nov 28, 2007 at 05:17:38PM -0500, Tom Lane wrote:
> David Fetter <david@fetter.org> writes:
> > On Wed, Nov 28, 2007 at 03:53:04PM -0500, Tom Lane wrote:
> >> Entirely removing the example of how to do it with rules doesn't
> >> seem like a good idea.
>
> > It does to me. I haven't found a case yet where rules worked even
> > as well as triggers.
>
> I don't have a problem with emphasizing triggers as the preferred
> solution, but we should keep the older example, if only because
> people are going to see DB schemas that use that approach, and they
> won't understand what's going on (or realize they could convert) if
> they've not seen an example.
Greg Sabino Mullane managed to contrive an example where RULEs might
conceivably be the least-bad way to do this, that being a machine
where no PLs may be installed.
Telling people how to do this is not *quite* as bad as describing how
to do EAV, but it's pretty close.
Cheers,
David.
--
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david.fetter@gmail.com
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To: pgsql-docs@postgresql.org
Cc: david@fetter.org, tgl@sss.pgh.pa.us, pgsql-patches@postgresql.org
Subject: Re: Partition: use triggers instead of rules
In-Reply-To: <20071129005334.GN24146@fetter.org>
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