On Wed, 2010-08-25 at 15:51 +0200, Markus Wanner wrote:
> Simon,
> On 08/25/2010 11:53 AM, Simon Riggs wrote:
> > ..we want to ensure that the PK value..
> ..or any other possibly referenced attributes?

Don't think that's relevant.

"referenced" meaning "by an RI constraint", which only ever refers to
PKs in other tables.

As a result the proposal is safe and useful for 99% of cases.

 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Development, 24x7 Support, Training and Services

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