On Tue, 19 Nov 2002, Chris Gamache wrote:
> > If you want help, you must provide details. The PG version number is
> > relevant also.
>
> Understood. PostgreSQL 7.2.3.
7.3 will be better for this. There were questions about the safety
of pushing clauses down in queries with union and intersect and
earlier versions wouldn't push down because we weren't sure it was
safe. Except will still be problematic, but union and intersect should be
much happier.