Bruce Momjian <br...@momjian.us> writes: > On Fri, Apr 7, 2023 at 09:55:00PM -0400, Tom Lane wrote: >> Uh, what? Why would we not be able to tell from the remote server's >> version number whether it has this ability?
> The issue is not a mismatch of postgres_fdw versions but the extension > versions and whether the partial aggregate functions exist on the remote > side, e.g., something like a PostGIS upgrade. postgres_fdw has no business pushing down calls to non-builtin functions unless the user has explicitly authorized that via the existing whitelisting mechanism. I think you're reinventing the wheel, and not very well. regards, tom lane