Re: pg_upgrade does not upgrade pg_stat_statements properly

On Thu, Jul 29, 2021 at 06:19:56PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > I think we need to first give clear instructions on how to find out if
> > an extension update is available, and then how to update it.  I am
> > thinking we should supply a query which reports all extensions that can
> > be upgraded, at least for contrib.
> 
> I suggested awhile ago that pg_upgrade should look into
> pg_available_extensions in the new cluster, and prepare
> a script with ALTER EXTENSION UPDATE commands for
> anything that's installed but is not the (new cluster's)
> default version.

I can do that, but I would think a pg_dump/restore would also have this
issue, so should this be more generic?  If we had a doc section about
that, we could add it a step to run in the pg_upgrade instructions.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  If only the physical world exists, free will is an illusion.