| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-committers <pgsql-committers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: pgsql: Make heap TID a tiebreaker nbtree index column. |
| Date: | 2019-03-21 22:34:22 |
| Message-ID: | CAH2-WzmMakut=D8=TnmzhGtB+ELbb6k84LYNW28C8MZ2D-ZoJw@mail.gmail.com |
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| Lists: | pgsql-committers |
On Wed, Mar 20, 2019 at 8:17 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Actually, I'm not sure why it would be fine to revert 7d3bf73ac now.
> > Might the problem actually be the order in which OIDs are originally
> > assigned, or something like that?
>
> No, because then things would have been unstable before, no?
Perhaps. The cost of being wrong here is trivial anyway. I have
reverted 7d3bf73ac based on the assumption that it's now unnecessary.
> I actually think that we should remove most or all of the
> cascade-drop-hiding hacks that are in the regression tests now,
> not only that one. They should not be necessary any more, and
> they might be hiding things we need to know about, now or in
> the future. But I haven't got round to it.
Seems like a useful goal.
--
Peter Geoghegan
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