Re: Fabian Pascal and RDBMS deficiencies in fully implementing - Mailing list pgsql-general

From Roman Neuhauser
Subject Re: Fabian Pascal and RDBMS deficiencies in fully implementing
Date
Msg-id 20060609133331.GD11143@dagan.sigpipe.cz
Whole thread Raw
In response to Re: Fabian Pascal and RDBMS deficiencies in fully implementing  (Nis Jorgensen <nis@superlativ.dk>)
Responses Re: Fabian Pascal and RDBMS deficiencies in fully implementing
List pgsql-general
# nis@superlativ.dk / 2006-06-09 10:12:21 +0200:
> Agent M wrote:
> > If you don't use NULL, then you don't
> > come across 3-valued logic--problem solved.
>
> So was does "SELECT sum(1) FROM dual WHERE false" return?

    You stripped this:

> > Some Tutorial D notions really make sense; I would love to be able
> > to rely on every function returning a relation.

    So your query would prolly return a table with one (INT) column,
    but no rows.

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