Re: pg_upgrade issue upgrading 10 -> 13

On Thu, Oct 1, 2020 at 09:03:31AM -0700, Adrian Klaver wrote:
> On 10/1/20 7:51 AM, Sean Brown wrote:
> > I’m having a little problem using pg_upgrade to move from 10 to 13, I’m assuming the issue is related to the removal of pg_pltemplate, but I can’t find anything related to how to handle it.
> >
> > pg_upgrade —check reports that the clusters are compatible, but the actual upgrade fails starting the new cluster with -
> >
> > ERROR: relation “pg_catalog.pg_pltemplate” does not exist
> > STATEMENT: GRANT SELECT ON TABLE “pg_catalog"."pg_pltemplate” TO "appuser”;
>
> Which points to the dangers of doing things to the system tables. They can
> change/disappear between major versions.

And pg_dump (used by pg_upgrade) had little handling for such changes.

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Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com

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