Re: Interesting fail when migrating Pg from Ubuntu Bionic to Focal

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL General <pgsql-general(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Interesting fail when migrating Pg from Ubuntu Bionic to Focal
Date: 2022-03-04 20:45:10
Message-ID: 20220304204510.GA21340@depesz.com
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On Fri, Mar 04, 2022 at 02:09:52PM -0500, Tom Lane wrote:
> arm64, eh? I wonder if that's buggier than the Intel code paths.
>
> I tried and failed to reproduce this on Fedora 35 on aarch64,
> but that has what I think is a newer LLVM version:

I have suspicion that it also kinda depends on number of rows in there.

When I deleted some schemas, which included some functions, the problem
disappeared.

I wasn't able to pinpoint specific thing, though, and when I called the
pg_proc + pg_roles query for each separate row - it worked flawlessly.

Best regards,

depesz

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