| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| 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 16:04:00 |
| Message-ID: | 347096.1629821040@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Aug 23, 2021 at 8:29 PM Bruce Momjian <bruce(at)momjian(dot)us> wrote:
>> I assume this patch is not going to be applied until there is an actual
>> use case for preserving these values.
> ...
> That being said, if you or somebody else thinks that this is a bad
> idea or that the reasons offered up until now are insufficient, feel
> free to make that argument. I just work here...
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.
regards, tom lane
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