Re: Assertion failure with barriers in parallel hash join

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Melanie Plageman <melanieplageman(at)gmail(dot)com>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Assertion failure with barriers in parallel hash join
Date: 2021-03-17 05:58:02
Message-ID: CA+hUKGJmcqAE3MZeDCLLXa62cWM0AJbKmp2JrJYaJ86bz36LFA@mail.gmail.com
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On Wed, Mar 17, 2021 at 6:17 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> On Sat, Mar 6, 2021 at 9:56 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > While working on Melanie's Parallel Hash Full Join patch I remembered
> > that this (apparently extremely rare) race still needs fixing. Here
> > is a slightly tidied version, which I'm adding to the next CF for CI
> > coverage.
>
> Pushed and back-patched.

According to BF animal elver there is something wrong with this
commit. Looking into it.

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