Re: BUG #18260: Unexpected error: "negative bitmapset member not allowed" triggered by multiple JOIN

From: Richard Guo <guofenglinux(at)gmail(dot)com>
To: zuming(dot)jiang(at)inf(dot)ethz(dot)ch, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #18260: Unexpected error: "negative bitmapset member not allowed" triggered by multiple JOIN
Date: 2023-12-27 12:15:35
Message-ID: CAMbWs4-tpHZyE-aEqhYt_aLtKU0YbcXBgz_GXG0EVHQXhSrENA@mail.gmail.com
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On Wed, Dec 27, 2023 at 6:18 PM PG Bug reporting form <
noreply(at)postgresql(dot)org> wrote:

> My fuzzer finds a bug in Postgres 17devel, which triggers an unexpected
> error "ERROR: negative bitmapset member not allowed".

Thank you for the report. This issue is caused by the way SJE removes
PHVs. I have run out of time today, but I will look into it tomorrow.

Thanks
Richard

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