On 22/11/2018 00:47, Andres Freund wrote:
> I can see a few possible policies:
>
> 1) Support upgrading from the set of releases that were supported when
> the pg_upgrade target version was released. While some will argue that
> this is fairly short, people above it can still upgrade ~10 years
> worth of versions with a single intermediary upgrade.
> 2) Same, but +2 releases or such.
> 3) Support until it gets too uncomfortable.
> 4) Support all versions remotely feasible (i.e. don't drop versions that
> still can be compiled)
I would prefer #3. That's basically how we handle pg_dump, psql, etc.
normally.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
