| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [RFC] Removing "magic" oids |
| Date: | 2018-10-27 18:56:56 |
| Message-ID: | 20181027185656.2jiit4epdpk46dlh@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2018-10-28 00:21:23 +0530, Amit Kapila wrote:
> On Sun, Sep 30, 2018 at 9:18 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > I think we should drop WITH OIDs support. pg_dump should convert WITH
> > OIDs tables into tables that have an explicit oid column (with an
> > appropriate default function), pg_upgrade should refuse to upgrade them.
> >
>
> Is there any technical reason why you think pg_upgrade should refuse
> to upgrade them? I think there is an argument to break backward
> compatibility here and many people on the thread seem to be okay with
> that, but refusing to upgrade sounds more restrictive.
They'd not be on-disk compatible, because the column isn't stored as a
normal column but in the t_hoff space.
Greetings,
Andres Freund
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