Received: from localhost.localdomain (postgresql.org [64.49.215.8]) by localhost (Postfix) with ESMTP id 4691747627B for ; Sun, 19 May 2002 17:03:10 -0400 (EDT) Received: from anchor-post-33.mail.demon.net (anchor-post-33.mail.demon.net [194.217.242.91]) by postgresql.org (Postfix) with ESMTP id 03924475F7A for ; Sun, 19 May 2002 16:57:52 -0400 (EDT) Received: from lfix.demon.co.uk ([158.152.59.127] helo=linda.lfix.co.uk) by anchor-post-33.mail.demon.net with esmtp (Exim 3.35 #1) id 179XkW-000By9-0X; Sun, 19 May 2002 21:57:53 +0100 Received: from localhost ([127.0.0.1] helo=localhost.localdomain ident=olly) by linda.lfix.co.uk with esmtp (Exim 3.35 #1 (Debian)) id 179Xkk-0005tz-00; Sun, 19 May 2002 21:58:06 +0100 Subject: Re: A proposal for Interval Math From: Oliver Elphick To: josh@agliodbs.com Cc: pgsql-sql@postgresql.org In-Reply-To: <200205191336.10383.josh@agliodbs.com> References: <200205191336.10383.josh@agliodbs.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-JZ0gpTIqGl/kXvLyctHo" X-Mailer: Ximian Evolution 1.0.5 Date: 19 May 2002 21:58:03 +0100 Message-Id: <1021841886.1401.56.camel@linda> Mime-Version: 1.0 X-Archive-Number: 200205/197 X-Sequence-Number: 7832 --=-JZ0gpTIqGl/kXvLyctHo Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2002-05-19 at 21:36, Josh Berkus wrote: > Ah, you ask, but what about '7 months' / '3 days'? This requires the add= tion=20 > of "Interval Rounding" to the Postgresql system.=20=20 As I understand the standard, this is an illegal operation, because the two intervals are of incompatible types and a meaningful result is not possible. I do not think anyone should try to implement it. --=20 Oliver Elphick Oliver.Elphick@lfix.co.uk Isle of Wight http://www.lfix.co.uk/oliver GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C "But as it is written, Eye hath not seen, nor ear=20 heard, neither have entered into the heart of man, the things which God hath prepared for them that love=20 him." I Corinthians 2:9=20 --=-JZ0gpTIqGl/kXvLyctHo Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQA86BHbYU1MND4dDBwRAghgAKC4Ny2ZIfWhKjOVsuVqbfVHH/H3fACfZQ9L HeUO6iPLPSXIqcr0n2HCvyw= =bWnY -----END PGP SIGNATURE----- --=-JZ0gpTIqGl/kXvLyctHo--