Re: full featured alter table?

On Mon, 16 Jun 2003, Jim C. Nasby wrote:

> On Sat, Jun 14, 2003 at 10:59:08AM -0500, Bruno Wolff III wrote:
> > On Sat, Jun 14, 2003 at 10:31:02 -0500,
> >   "Jim C. Nasby" <jim@nasby.net> wrote:
> > >
> > > The one thing we don't have that I think would be useful is a way to
> > > re-order the columns in a table. Maybe it's just me, but I tend to want
> > > column to appear in a specific order, and the only way you can
> > > accomplish this today is by re-creating the entire table.
> >
> > You can specify the order that columns are output now. The real underlying
> > order should really be up to postgres to decide based on what is most
> > efficient.
>
> Actually, I was talking about the underlying order, because (at least
> the last time I asked about this), pgsql doesn't do any intelligent
> ordering under the covers. Because of that, I'd like to be able to order
> based on the optimal ordering I was given (fixed width before variable,
> then not null before null).

Ah, you see that's where the confusion comes from, everyone else is not on
about the physical ordering. I don't imagine core would consider an alter table
command to reorder columns in the tuple store.


--
Nigel J. Andrews