Re: Unexpected planner choice in simple JOIN

From: David Rowley <dgrowleyml(at)gmail(dot)com>
To: Mark Kirkwood <mark(dot)kirkwood(at)gmail(dot)com>
Cc: pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: Unexpected planner choice in simple JOIN
Date: 2026-01-08 03:56:27
Message-ID: CAApHDvqLR27kZkK5zaK2-6LQo_RB_wnVg8DHfHj17cTbr+RHtQ@mail.gmail.com
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On Thu, 8 Jan 2026 at 16:34, Mark Kirkwood <mark(dot)kirkwood(at)gmail(dot)com> wrote:
> This does seem to be related to parallel planning:

Isn't it just a case of hash indexes not allowing parallel scans?

David

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