Re: In which case PG_VERSION file updates ?

On Sun, Sep 25, 2011 at 3:26 AM, Raghavendra
<raghavendra.rao@enterprisedb.com> wrote:
> Thanks Adrian Klaver,
> Provided link gives about the information of what PG_VERSION file, which am
> aware of:)
> In my observation, all the object related OID's, _fsm, _vm files under
> $PGDATA/base/database-oid/ directory will change as per the changes made to
> the database, whereas PG_VERSION file never changes. Because its the file
> tells on which version of Binary the Data directory is built upon.
> So, my question is, Is there any case, where PG_VERSION file updates with
> any of the utility process or
> PG_VERSION file never been touched by PG-Instance ?

If you run pg_upgrade I'd expect that to change it.