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From: Aaron Bono <postgresql@aranya.com>
To: Erik Jones <erik@myemma.com>
Cc: Markus Schaber <schabi@logix-tt.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: i have table
Date: Wed, 4 Oct 2006 09:54:28 -0500
Message-ID: <bf05e51c0610040754o101408c2y8a743697b9ceee4@mail.gmail.com> (raw)
In-Reply-To: <4523C3E2.4010300@myemma.com>
References: <A70AE049E81A6A40879D5DC0AC8C38C9073DCD8F@venus.infics.com>
	<45237D6E.1030601@logix-tt.com>
	<4523C3E2.4010300@myemma.com>

On 10/4/06, Erik Jones <erik@myemma.com> wrote:
>
> There is one non-SQL related reason that I like to be able to order
> columns, at least the way they are displayed whenever the table is
> described:  human comprehension.  For example, I like to group all keys
> in a table before data, that includes primary as well as foreign keys.
> So, say I'm building on to an existing application and I need to do an
> ALTER TABLE on an existing table to add a foreign key to an existing
> table.  I'd like that key to be listed with the other keys, but
> presently that's not possible in a simple way and, to be honest, I
> usually just go without as the process you've described below is too
> prone to user (human) error when dealing with live, sensitive data for
> me to want to mess with it.


Ah, but it is possible... if you use views.

I recommend you build views and query off them.  Then you can control the
order the columns will appear.

==================================================================
   Aaron Bono
   Aranya Software Technologies, Inc.
   http://www.aranya.com
   http://codeelixir.com
==================================================================

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