Terrific, thanks for that. I'd figured out the first trick you
suggested, but the second is much clearer.
-Steve
On 6 Jul 2009, at 12:28, Dimitri Fontaine wrote:
> Steve Purcell <steve@sanityinc.com> writes:
>
>> # su - postgres -c "env PGCLUSTER=8.3/main pg_dump openx|env
>> PGCLUSTER=8.4/main pg_restore -d template1 -C"
>>
>> And the debian pg_wrapper script ends up selecting the 8.3 pg_dump
>> binary in
>> the first case. I'll have to figure out if there's even a way to
>> execute
>> the newer pg_dump against the old database, which I expect to be
>> fiddly.
>
> I guess you could trick the binary choice then force another server
> choice :
> pg_dump --cluster 8.4/main -p <port of 8.3> ...
>
> But I'd simply go with:
> /usr/lib/postgresql/8.4/bin/pg_dump <options to target 8.3>
>
> For people unaware of debian way of supporting more than one major
> version and cluster, all PostgreSQL user binaries in /usr/bin are a
> link
> to their pg_wrapper, which support the --cluster 8.X/clustername
> option
> and will choose the right versionned binary and port number etc.
>
> Regards,
> --
> dim
>
