On Thu, Jan 26, 2023 at 11:06:41AM -0500, Tom Lane wrote:
> I don't know anything about the mysql FDW, but another possible route
> to fixing things is to get it to not believe that the remote's sort
> ordering matches the local one. If the plan were relying on a local
> sort instead of a remote sort then everything would be fine.
When we implemented sort pushdown to FDWs I had not considered how hard
it might be to match sort ordering, especially considering the problem
we have in matching orderings from different operating system versions.
Is this documented somewhere?
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Embrace your flaws. They make you human, rather than perfect,
which you will never be.