Message-ID: <d32aaa8d-df7c-4f94-bcb3-4c85f02bea21@gmail.com>
Date: Sun, 10 Aug 2025 10:00:00 +0300
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Subject: Re: Test instability when pg_dump orders by OID
To: Noah Misch <noah@leadboat.com>
Cc: pgsql-hackers@postgresql.org, Robert Haas <robertmhaas@gmail.com>
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From: Alexander Lakhin <exclusion@gmail.com>
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Hello Noah,

04.08.2025 03:03, Noah Misch wrote:
> Pushed as 0decd5e.  ...

Please look at a new anomaly introduced with that commit. The following
script:
createdb regression

echo "
CREATE USER u1;
ALTER DEFAULT PRIVILEGES FOR ROLE u1 REVOKE INSERT ON TABLES FROM u1;

CREATE USER u2;
ALTER DEFAULT PRIVILEGES FOR ROLE u2 REVOKE INSERT ON TABLES FROM u2;
" | psql regression

pg_dump regression

triggers:
pg_dump: pg_dump_sort.c:454: DOTypeNameCompare: Assertion `0' failed.

Reproduced on master and REL_13_STABLE.

Best  regards,
Alexander