KaiGai Kohei, * Kouhei Kaigai (kai...@ak.jp.nec.com) wrote: > Is somebody available to volunteer to review the custom-scan patch?
I looked through it a bit and my first take away from it was that the patches to actually use the new hooks were also making more changes to the backend code, leaving me with the impression that the proposed interface isn't terribly stable. Perhaps those changes should have just been in the first patch, but they weren't and that certainly gave me pause. I'm also not entirely convinced that this is the direction to go in when it comes to pushing down joins to FDWs. While that's certainly a goal that I think we all share, this seems to be intending to add a completely different feature which happens to be able to be used for that. For FDWs, wouldn't we only present the FDW with the paths where the foreign tables for that FDW, or perhaps just a given foreign server, are being joined? Thanks, Stephen
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