Received: from localhost (postgresql.org [64.49.215.8])
	by postgresql.org (Postfix) with ESMTP id 398D247644B
	for <pgsql-sql@postgresql.org>; Wed, 22 Jan 2003 10:36:01 -0500 (EST)
Received: from wolff.to (wolff.to [66.93.249.74])
	by postgresql.org (Postfix) with SMTP id 3D6DD476023
	for <pgsql-sql@postgresql.org>; Wed, 22 Jan 2003 10:35:35 -0500 (EST)
Received: (qmail 5510 invoked by uid 500); 22 Jan 2003 15:48:10 -0000
Date: Wed, 22 Jan 2003 09:48:10 -0600
From: Bruno Wolff III <bruno@wolff.to>
To: Ries van Twisk <ries@jongert.nl>
Cc: pgsql-sql@postgresql.org
Subject: Re: To use a VIEW or not to use a View.....
Message-ID: <20030122154810.GA5475@wolff.to>
Mail-Followup-To: Ries van Twisk <ries@jongert.nl>,
	pgsql-sql@postgresql.org
References: <002001c2c228$bc3d2780$f100000a@IT001>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <002001c2c228$bc3d2780$f100000a@IT001>
User-Agent: Mutt/1.3.25i
X-Virus-Scanned: by AMaViS new-20020517
X-Archive-Number: 200301/335
X-Sequence-Number: 11200

On Wed, Jan 22, 2003 at 16:12:52 +0100,
  Ries van Twisk <ries@jongert.nl> wrote:
> Dear PostgreSQL users,
> 
> I understand that when a frontend accesses a VIEW that PostgreSQL cannot use
> a index on that view.
> For example when I do this: SELECT * FROM full_cablelist WHERE
> projectocode=5; Correct?

For the most part views work like macros for selects and indexes should be
usable.
You can test this yourself using EXPLAIN to compare plans both using and
not using a view on a table.