Re: Pathify RHS unique-ification for semijoin planning

From: Richard Guo <guofenglinux(at)gmail(dot)com>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Pathify RHS unique-ification for semijoin planning
Date: 2025-06-03 07:52:30
Message-ID: CAMbWs48v7fjt0uvigHrTme_B44irTZSM9HyJ8NnnqvqBimyA6Q@mail.gmail.com
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On Wed, May 28, 2025 at 10:58 AM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> This patch is still a work in progress. Before investing too much
> time into it, I'd like to get some feedback on whether it's heading in
> the right direction.

Here is an updated version of the patch, which is ready for review.
I've fixed a cost estimation issue, improved some comments, and added
a commit message. Nothing essential has changed.

Thanks
Richard

Attachment Content-Type Size
v2-0001-Pathify-RHS-unique-ification-for-semijoin-plannin.patch application/octet-stream 105.5 KB

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