Re: partial uniqueness - Mailing list pgsql-general

From Alvaro Herrera
Subject Re: partial uniqueness
Date
Msg-id 20031123161429.GA2612@dcc.uchile.cl
Whole thread Raw
In response to partial uniqueness  (Karsten Hilbert <Karsten.Hilbert@gmx.net>)
List pgsql-general
On Sun, Nov 23, 2003 at 04:20:20PM +0100, Karsten Hilbert wrote:
> There recently was a discussion on how to enforce
> uniqueness on a row for a given condition, say allow many
> address rows for a person where active = false but only one
> where active = true. I cannot find it in the archives. Can
> someone please point me to the messages so I can read up ?

You can see a summary here:

www.varlena.com/GeneralBits/51.php

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"La Primavera ha venido. Nadie sabe como ha sido" (A. Machado)

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