On Wed, 2010-08-25 at 16:14 +0200, Nicolas Barbier wrote:
> 2010/8/25 Simon Riggs <si...@2ndquadrant.com>:
> > "referenced" meaning "by an RI constraint", which only ever refers to
> > PKs in other tables.
> FK constraints can also point to non-PK UNIQUE columns.

You're exactly correct and I now understand Markus' comment. Do you
think that exact meaning prevents my proposal from being useful?

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

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