On Fri, Jul 30, 2021 at 07:18:56AM -0400, Dave Cramer wrote: > > So my understanding is that upgrade is going to run all of the SQL files > from whatever version the original instance was up to the current version. > > I'm at a loss as to how this would not work ? How do you upgrade your > extension otherwise ?
Yes, but as I said twice only if the currently installed version is different from the default version. Otherwise ALTER EXTENSION UPGRADE is a no-op. Just to be clear: I'm not arguing against automatically doing an ALTER EXTENSION UPGRADE for all extensions in all databases during pg_upgrade (I'm all for it), just that this specific corner case can't be solved by that approach.