Shigeru Hanada <shigeru.han...@gmail.com> writes:
> I'm working on $SUBJECT and would like to get comments about the
> design. Attached patch is for the design below. Note that the patch
> requires Kaigai-san's custom foriegn join patch[1]
For the record, I'm not particularly on-board with custom scan, and
even less so with custom join. I don't want FDW features like this
depending on those kluges, especially not when you're still in need
of core-code changes (which really points up the inadequacy of those
concepts).
Also, please don't redefine struct NestPath like that. That adds a
whole bunch of notational churn (and backpatch risk) for no value
that I can see. It might've been better to do it like that in a
green field, but you're about twenty years too late to do it now.
regards, tom lane
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