From: Louis-David Mitterrand <vindex+lists-pgsql-sql@apartia.org>
To: pgsql-sql@postgresql.org
Subject: Re: 'image' table with relationships to different objects
Date: Wed, 10 Feb 2010 18:29:42 +0100
Message-ID: <20100210172942.GA10086@apartia.fr> (raw)
In-Reply-To: <4B7178CF.60502@gmail.com>
References: <20100209074909.GA11838@apartia.fr>
<4B714E12.1090207@archonet.com>
<4B7178CF.60502@gmail.com>
On Tue, Feb 09, 2010 at 08:01:35AM -0700, Rob Sargent wrote:
> You can also invert this, making all the image owner share a common base
> table and then images are dependent on that base
>
> base (id, type) where type is an enumeration or some such
> person (id, name, etc) where id is FK to base id
> locations (id, address, etc) where id is FK to base.id
> events(id, date, etc) where id is FK to base.id
> images(id, baseid) where baseid is FK to base.id
>
> views across base to the "data" tables for easier sql if desired
> ORM: person location and event would inherit from base
This is intriguing. How do I manage the auto-incrementing 'id' serial on
children tables 'person', 'location' and 'event'?
Thanks,
--
http://www.critikart.net
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To: pgsql-sql@postgresql.org
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Subject: Re: 'image' table with relationships to different objects
In-Reply-To: <20100210172942.GA10086@apartia.fr>
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