> On Jul 2, 2024, at 18:16, Stuart Campbell <stuart.campb...@ridewithvia.com>
> wrote:
>
> My understanding was that under the hood, AWS uses the logical replication
> features that are present in community Postgres. If that's incorrect then I'm
> sorry for the off-topic post.
Yes, but: The idea of a "degraded" replication is an AWS thing, so it's hard to
say what does or does not cause that state to occur without access to
proprietary AWS code.
> Maybe my question can be re-summarised as: do DDL operations on temporary
> tables necessarily have to be written to the WAL? Is there a way to avoid
> that?
Yes, they do (because they involve catalog changes that need to be WAL-logged),
and there is no way of avoiding that in current versions of PostgreSQL.
