"Cyril VELTER" <cyril(dot)velter(at)metadys(dot)com> writes:
> I'm trying to dump a database from a 7.1.3 server to a 7.4.2 one.
>
> It doesn't works because of difference in COPY format (unless I use -d
> which is VERY slow on a 16G database).
Try using the 7.4.2 version of pg_dump to dump out the 7.1.3
database. pg_dump is written to talk to multiple versions of the
server, and it's generally recommended to use the same version of
pg_dump as the server you're restoring into.
-Doug