From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-sql@postgresql.org
Subject: Re: Selecting exactly one row for each column value
Date: Tue, 6 Mar 2007 16:17:19 +0100
Message-ID: <20070306151719.GC24007@a-kretschmer.de> (raw)
In-Reply-To: <82hcsy4do7.fsf@mid.bfk.de>
References: <82hcsy4do7.fsf@mid.bfk.de>
am Tue, dem 06.03.2007, um 16:03:36 +0100 mailte Florian Weimer folgendes:
> Is there a better way to implement this?
DISTINCT ON()
http://www.postgresql.org/docs/current/static/sql-select.html#SQL-DISTINCT
Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: andreas.kretschmer@schollglas.com
Subject: Re: Selecting exactly one row for each column value
In-Reply-To: <20070306151719.GC24007@a-kretschmer.de>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox