On Fri, 6 Dec 2002, CSN wrote:
> Is there any way to dump the data from an old 7.2 data
> dir after having updated PG to 7.3?
Yes, uninstall 7.3, reinstall 7.2 and restart the db server, then pg_dump
from that, then shut down 7.2, uninstall, and install 7.3
7.3 SHOULD have refused to startup with 7.2 data under it, so your
database should still be intact just inaccessible.