Re: Restoring 7.4 "pg_dumpall -o" output in 8.1 fails

gson(at)gson(dot)org (Andreas Gustafsson) writes:
> I recently attempted to upgrade a PostgreSQL 7.4 installation to 8.1 by
> following the instructions at
> <http://www.postgresql.org/docs/8.1/interactive/install-upgrading.html>,
> having used "pg_dumpall -o" to dump the data in 7.4. When I tried to
> restore the data in 8.1, psql reported a large number of syntax
> errors.

Try making the dump from the 7.4 server using 8.1's pg_dump(all).

If you've already wiped the 7.4 installation then you'll have to deal
with the incompatibilities yourself. It looked like setting
default_with_oids to true in the 8.1 server would help (although do you
*really* need to preserve OIDs in your dump? That -o switch is pretty
well deprecated these days). The "cannot delete from a view" is
probably coming from an attempt to "DELETE FROM pg_shadow", which you
can ignore. You didn't show us any other problems.

regards, tom lane