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From: Gianvito Pio <pio.gianvito@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: Type inheritance
Date: Fri, 5 Jun 2009 17:13:10 +0200
Message-ID: <5eca56860906050813s2b77639aoebe73dd18d103891@mail.gmail.com> (raw)
In-Reply-To: <3044.1244209709@sss.pgh.pa.us>
References: <5eca56860906050330w6171b327k95881b13c4dca466@mail.gmail.com>
	<3044.1244209709@sss.pgh.pa.us>

Domains just allow me to redefine base types, including some restrictions. I
just want to define a my own type and then to define some new types that
inherit from the first one. I hope it's clear now...

2009/6/5 Tom Lane <tgl@sss.pgh.pa.us>

> Gianvito Pio <pio.gianvito@gmail.com> writes:
> > I just want to ask you if it's possible to define sub types in PostgreSQL
> > (Type inheritance). I found that table inheritance is possible...but I'd
> > like to do it on types.
>
> It's fairly unclear what your actual requirements are here, but perhaps
> domains would do the job?
>
>                        regards, tom lane
>

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