On Tue, Nov 3, 2015 at 8:15 AM, Kouhei Kaigai <kai...@ak.jp.nec.com> wrote:
> A challenge is that junk wholerow references on behalf of ROW_MARK_COPY
> are injected by preprocess_targetlist(). It is earlier than the main path
> consideration by query_planner(), thus, it is not predictable how remote
> query shall be executed at this point.
Oh, dear. That seems like a rather serious problem for my approach.
> If ROW_MARK_COPY, base tuple image is fetched using this junk attribute.
> So, here is two options if we allow to put joined tuple on either of
Neither of these sounds viable to me.
I'm inclined to go back to something like what you proposed here:
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