| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Shruthi Gowda <gowdashru(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Sadhuprasad Patro <b(dot)sadhu(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, 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: | 2022-04-21 17:53:20 |
| Message-ID: | 3353761.1650563600@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Wed, Apr 20, 2022 at 4:56 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Having just had to bury my nose in renumber_oids.pl, I thought of a
>> different approach we could take to expose these OIDs to Catalog.pm.
>> That's to invent a new macro that Catalog.pm recognizes, and write
>> something about like this in pg_database.h:
>> DECLARE_OID_DEFINING_MACRO(Template0ObjectId, 4);
>> DECLARE_OID_DEFINING_MACRO(PostgresObjectId, 5);
> I like it!
0001 attached is a revised patch that does it that way. This seems
like a clearly better answer.
0002 contains the perhaps-slightly-more-controversial changes of
changing the macro names and explicitly pinning no databases.
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-fix-assignment-of-database-OIDs-2.patch | text/x-diff | 7.6 KB |
| 0002-rename-symbols-and-pin-no-DBs.patch | text/x-diff | 5.3 KB |
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