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

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: David Fetter <david(at)fetter(dot)org>, "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 06:41:54
Message-ID: 20071128224154.06f950c9@commandprompt.com (view raw or flat)
Thread:
Lists: pgsql-docspgsql-patches
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On Thu, 29 Nov 2007 00:55:53 -0500
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> David Fetter <david(at)fetter(dot)org> writes:
> > On Wed, Nov 28, 2007 at 09:58:26PM -0500, Jonah H. Harris wrote:
> >> On Nov 28, 2007 3:53 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >>> Entirely removing the example of how to do it with rules doesn't
> >>> seem like a good idea.
> >> 
> >> Agreed.
> 
> > Do you have an example of one use case where using RULEs rather than
> > TRIGGERs is a good idea?
> 
> The argument I made for keeping the example around is not dependent on
> the assumption that using a rule is a good idea.  It's dependent on
> the established fact that we have recommended that in prior releases,
> and therefore people are going to be seeing that construct in real
> databases.

And they could refer back to the older version of the documentation for
it. In fact, we should mention that in the patch:

<note><para>If you have an partitioning setup that uses rules please
refer to the 8.2 documentation on partitioning</para></note>

Sincerely,


Joshua D. Drake


> 
> 			regards, tom lane
> 
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> 


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