[Pkg-postgresql-public] Bug#764705: Bug#764705: Bug#764705: postgresql-9.4: ERROR: The database format changed between beta 2 and 3. Please dump, but how?

[Peter Eisentraut]

On 10/10/14 6:17 PM, Thorsten Glaser wrote:
> I’ve read in the archives that you did this
> before, in 9.1 times. Please invest some time
> into creating a proper fix for this scenario,
> one which keeps cluster-wide settings (such
> as locale, encoding, etc.) and configuration
> files the way they were before. (Especially
> as pg_createcluster is highly dependent on
> the environment it is run from.)

pg_upgradecluster does that for you.

I think the mistake here was to upload postgresql-9.4 into unstable
before it was released.