Zeugswetter Andreas ADI SD escribió:
>
> > > And I also see a lot of unhappiness from users of system tables
> > > when column numbers all over the system tables would not be
> > > logical column positions any more.
> >
> > Right now the fact that attnum presents the logical order but
> > not the logical position is a problem for the JDBC driver.
> > In the presence of dropped columns there is no easy way to
> > get from a pg_attribute entry to logical position. I would
> > hope that a new logical position column would reflect the
> > actual position and solve this problem.
>
> I agree, I haven't thought of drop column :-( Drop column should have
> relabeled attnum.
> Since it was not done then, my comments are probably moot.
We can correct this problem now.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
