Received: from davinci.ethosmedia.com (davinci.ethosmedia.com [209.10.40.250])
	by postgresql.org (Postfix) with ESMTP id D0DC8475BDA
	for <pgsql-sql@postgresql.org>; Wed, 10 Jul 2002 17:54:15 -0400 (EDT)
Received: from [66.219.92.2] (HELO chocolate-mousse)
	by davinci.ethosmedia.com (CommuniGate Pro SMTP 3.5.9)
	with ESMTP id 1572799; Wed, 10 Jul 2002 14:54:16 -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: Stephan Szabo <sszabo@megazone23.bigpanda.com>
Subject: Re: BETWEEN bug?
Date: Wed, 10 Jul 2002 14:57:35 -0700
X-Mailer: KMail [version 1.4]
Cc: <pgsql-sql@postgresql.org>
References: <20020710125904.O53979-100000@megazone23.bigpanda.com>
In-Reply-To: <20020710125904.O53979-100000@megazone23.bigpanda.com>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Message-Id: <200207101457.35614.josh@agliodbs.com>
X-Archive-Number: 200207/147
X-Sequence-Number: 8526

Stephan,

> Spec thing.
>=20
> In SQL92,
> "X BETWEEN Y AND Z" is equivalent to "X>=3DY AND X<=3DZ".
>=20
> In SQL99, there's BETWEEN SYMMETRIC and ASYMMETRIC, but ASYMMETRIC is the
> default which is the same as the SQL92 version afaics.  Symmetric is an
> optional feature that I think Christopher's been working on.

Thanks.  Thought it was something like that.

Thank you guys, though, OVERLAPS is asymmetric.

--=20
-Josh Berkus

______AGLIO DATABASE SOLUTIONS___________________________
                                        Josh Berkus
   Complete information technology 	josh@agliodbs.com
    and data management solutions 	(415) 565-7293
   for law firms, small businesses 	 fax 621-2533
    and non-profit organizations. 	San Francisco