--As of April 17, 2013 8:21:06 AM +1000, Richard Terry is alleged to have
said:
> When I back up my work database I just use pgadmin > backup as plain text
> > take it home, rebuild it on my home machine which does run 9.1 - on the
> command line using: psql databasename -f the-backup-filename
> This seems to work ok and my software runs ok and I can access all my
> data
>
> Can I just do a server upgrade to the latest ubuntu version and postgres
> version and then do a similar command line import safely or is this too
> simplistic a way of looking at it? If one does do the upgrade what
> happens to the actual database itself if one doesn't explicity do
> anything?
--As for the rest, it is mine.
A similar command line import (with the export done before the upgrade)
should be fine, especially if you've tested the procedure already.
An upgrade-in-place with the same data files between major revisions (8 ->
9) is not expected to work, but I've seen it happen on occasion. Even if
it appears to, don't trust it though; I'd clean and drop everything than
re-import just to be sure. What happens to the database depends on what
your package manager decides, most likely.
Daniel T. Staal
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