Re: auto-filling a field on insert

From: David Fetter <david(at)fetter(dot)org>
To: semi-ambivalent <thefronny(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: auto-filling a field on insert
Date: 2009-10-22 02:54:07
Message-ID: 20091022025407.GC27368@fetter.org
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On Wed, Oct 21, 2009 at 07:17:44PM -0700, semi-ambivalent wrote:
> If I have a table with fields A, B, C and D how could I do something
> such that if I insert values in fields A, B and C field D would be
> auto-filled with the value A||B||C? Just a pointer of where to begin
> looking is fine. Triggers? Copy ... From? Table or field
> definitions?

Instead of populating your table with this extra information, create a
VIEW with what you want in it.

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com

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