| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Legacy GiST invalid tuples |
| Date: | 2018-07-04 21:19:28 |
| Message-ID: | 20180704211928.xg2z7ubsjgklrr66@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2018-Jul-04, Andres Freund wrote:
> On 2018-07-04 17:02:01 -0400, Alvaro Herrera wrote:
> > On 2018-Jul-04, Andres Freund wrote:
> >
> > > > I think the soonest this can work is to add the column in pg12 so that
> > > > it can be used to upgrade to pg13.
> > >
> > > I don't think we can easily require that everyone pg_upgrading to v13+
> > > upgrades to v12 first?
> >
> > We've never done that, I don't know if we can get away with it.
> > Upgrades with pg_upgrade are not cheap enough for that, methinks.
> > Maybe I'm wrong, but people complain even at a *single* pg_upgrade --
> > seems everybody wants in-place upgrades nowadays ...
>
> Right. That's why I was wondering about making the "last full scan"
> feature backpatchable...
Maybe it's not so bad to make it a reloption in back branches and a
full-fledged column going forward?
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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