Jan-Peter Seifert wrote:
I'm wondering if there's a compatibility list of the tools supplied with PostgreSQL - e.g. psql seems to be very server version specific (only major or also minor versions?). For pg_dump I'd say users should use the version of the target server if it's already installed, but is this also the case if the target server version is older? Am I completely wrong? Should I always use the pg_dump from the source server? When migrating from 8.1 to 8.2 I get several errors with commands regarding creating users and a lib that had been integrated into the core when restoring from the source server's pg_dump's dump. When using the target server's pg_dump for the dump I don't. But is then really everything okay? And pgAdmin comes with its own set of the PostgreSQL tools ...
I think the only thing that we really check is that pg_dump of a newer version can dump databases from an older version server. All the other tools probably only work (completely) with a server from the same major release.
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