> > OO in PostgreSQL means that you can create own operators, datetypes,
> functions...
>
> Last I checked, all of these things were part of the SQL spec. I believe our
> only "OO" functionality is inheritance ... which I have yet to find a use
> for.
Can you tell me what the SQL99 spec says regarding creation of
operators? I couldn't find them.
--
Tatsuo Ishii