Re: Proposal - temporal contrib module

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Chris Browne <cbbrowne(at)acm(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Proposal - temporal contrib module
Date: 2009-11-04 17:47:03
Message-ID: 1257356823.27737.492.camel@jdavis
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On Wed, 2009-11-04 at 12:08 -0500, Chris Browne wrote:
> I'm
> a lot less certain about the merits of PK/FK constraints - it is a lot
> less obvious what forms of constraints will be able to be applied to
> particular applications.

Can you clarify, a little?

A temporal key just means "non-overlapping periods of time", and that
has a very clear meaning with respect to scheduling.

Regards,
Jeff Davis

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