Received: from localhost (postgresql.org [64.49.215.8])
	by postgresql.org (Postfix) with ESMTP id 21809475D4B
	for <pgsql-sql@postgresql.org>; Wed,  2 Oct 2002 18:08:59 -0400 (EDT)
Received: from davinci.ethosmedia.com (davinci.ethosmedia.com [209.10.40.250])
	by postgresql.org (Postfix) with ESMTP id 84640475D00
	for <pgsql-sql@postgresql.org>; Wed,  2 Oct 2002 18:08:58 -0400 (EDT)
Received: from [66.219.92.2] (HELO chocolate-mousse)
	by davinci.ethosmedia.com (CommuniGate Pro SMTP 3.5.9)
	with ESMTP id 1750026; Wed, 02 Oct 2002 15:07:04 -0700
Content-Type: text/plain;
  charset="iso-8859-1"
From: Josh Berkus <josh@agliodbs.com>
Reply-To: josh@agliodbs.com
Organization: Aglio Database Solutions
To: Robert Treat <xzilla@users.sourceforge.net>,
	pgsql-sql@postgresql.org
Subject: Re: celko nested set functions
Date: Wed, 2 Oct 2002 15:11:03 -0700
X-Mailer: KMail [version 1.4]
References: <1033588081.17940.8.camel@camel>
In-Reply-To: <1033588081.17940.8.camel@camel>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Message-Id: <200210021511.03318.josh@agliodbs.com>
X-Virus-Scanned: by AMaViS new-20020517
X-Archive-Number: 200210/32
X-Sequence-Number: 9750

Robert,

> I'm wondering if anyone has written code that enables you to move
> entities between parents in a nested set model. Specifically something
> that can do it without deleting any of the children involved in the
> process.  I looked in the postgresql cookbook which had adding and
> building tree's, but not moving.  I'm hoping to find something
> postgresql specific but if not that's ok. Thanks in advance,

I've been planning on doing this as an article for a while.   I'll send you=
 an=20
answer off-list because I don't want to publicize it until I can add some=
=20
commentary.


--=20
-Josh Berkus
 Aglio Database Solutions
 San Francisco