Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> This might be out of left field, but wouldn't it make more sense to
> get postgresql_fdw committed first, and then add the join push-down
> functionality afterwards? I mean, otherwise, we're going to be left
> with a situation where we have join pushdown in core, but the only FDW
> that can actually make use of it elsewhere.
There's likely to be a lot of FDW infrastructure that will not be
exercised by anything in core or contrib ...
regards, tom lane