On Mon, 2022-01-24 at 08:08 -0800, Wells Oliver wrote:
> > > I need only drop the column and VACUUM FULL the table, and not the entire DB, right?
> >
> > Not that VACUUM (FULL) will *not* physically get rid of a dropped column,
> > as it just copies the complete rows to a new table.
> >
> > You would need something like:
> >
> > CREATE TABLE newtab (LIKE oldtab);
> > INSERT INTO newtab SELECT * FROM oldtab;
>
> So, there's really no way to reclaim space from a dropped column other than
> entirely creating a new table?
Correct, as far as I know.
Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com
