Re: SKIP LOCKED assert triggered

From: Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SKIP LOCKED assert triggered
Date: 2022-01-04 20:09:37
Message-ID: CANbhV-GzirR680VMMgq+imuAH11UgTY_Q01Byq5j0O2kasc-mg@mail.gmail.com
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On Tue, 4 Jan 2022 at 16:15, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > Pushed, thanks Simon for reporting this problem.

And causing another; my bad, apologies.

> Umm ...
>
> Assert(TM_WouldBlock || !(tuple->t_data->t_infomask & HEAP_XMAX_INVALID));
>
> AFAICS, this assertion condition is constant-true,
> because TM_WouldBlock is a nonzero constant. Perhaps you meant
>
> Assert(result == TM_WouldBlock || !(tuple->t_data->t_infomask & HEAP_XMAX_INVALID));

Yes, I think that's what I meant.

--
Simon Riggs http://www.EnterpriseDB.com/

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