From: | Louis-David Mitterrand <vindex+lists-pgsql-sql(at)apartia(dot)org> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: 'image' table with relationships to different objects |
Date: | 2010-02-10 17:29:42 |
Message-ID: | 20100210172942.GA10086@apartia.fr |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
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,
From | Date | Subject | |
---|---|---|---|
Next Message | Justin Graf | 2010-02-10 19:07:39 | Re: 'image' table with relationships to different objects |
Previous Message | Justin Graf | 2010-02-10 17:16:11 | Re: plpgsql loop question |