| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Shruthi Gowda <gowdashru(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Tom Kincaid <tomjohnkincaid(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com> |
| Subject: | Re: preserving db/ts/relfilenode OIDs across pg_upgrade (was Re: storing an explicit nonce) |
| Date: | 2021-08-24 17:23:49 |
| Message-ID: | CA+TgmoY9ext2M1wctnLW+SrZee-p8TZc16n9DzCqdnBwNi9oHg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Aug 24, 2021 at 12:04 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Per upthread discussion, it seems impractical to fully guarantee
> that database OIDs match, which seems to mean that the whole premise
> collapses. Like Bruce, I want to see a plausible use case justifying
> any partial-guarantee scenario before we add more complication (= bugs)
> to pg_upgrade.
I think you might be overlooking the emails from Stephen and I where
we suggested how that could be made to work?
--
Robert Haas
EDB: http://www.enterprisedb.com
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