Re: COPY with hints, rebirth

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От Kevin Grittner
Тема Re: COPY with hints, rebirth
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Msg-id 4F50E34A0200002500045E65@gw.wicourts.gov
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Ответ на Re: COPY with hints, rebirth  (Noah Misch <noah@leadboat.com>)
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Noah Misch <noah@leadboat.com> wrote:
> Incidentally, I contend that we should write frozen tuples to
> new/truncated tables unconditionally.
+1
> The current behavior of making old snapshots see the table as
> empty violates atomicity at least as badly as letting those 
> snapshots see the future-snapshot contents.
Right, there was no point where the table existed as empty at the
end of a transaction, so it is quite broken as things stand now.
> But Marti has a sound proposal that would interact with your
> efforts here to avoid violating atomicity at all
Well, getting it right is certainly better than moving from a slow
non-conforming behavior to a fast non-conforming behavior.  ;-)
-Kevin


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