| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Simon Riggs" <simon(at)2ndQuadrant(dot)com>, "Noah Misch" <noah(at)leadboat(dot)com> |
| Cc: | "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: COPY with hints, rebirth |
| Date: | 2012-03-02 21:12:10 |
| Message-ID: | 4F50E34A0200002500045E65@gw.wicourts.gov |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Noah Misch <noah(at)leadboat(dot)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
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Robert Haas | 2012-03-02 21:50:46 | Re: Runtime SHAREDIR for testing CREATE EXTENSION |
| Previous Message | Noah Misch | 2012-03-02 20:58:34 | Re: COPY with hints, rebirth |