Re: plan shape work

From: Richard Guo <guofenglinux(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alexandra Wang <alexandra(dot)wang(dot)oss(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "bruce(at)momjian(dot)us" <bruce(at)momjian(dot)us>, lepihov(at)gmail(dot)com
Subject: Re: plan shape work
Date: 2025-09-13 09:02:04
Message-ID: CAMbWs48gbfGgsywDzSoNHajvkU6xnxb8JNf2+ej4Qwz2FtN1Vw@mail.gmail.com
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On Sat, Sep 13, 2025 at 2:32 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> We sort of got started down this path because, reviewing v4-0003,
> Richard commented that I might be able to sanity-check
> something-or-other about RTE_JOIN RTIs instead of just focusing on
> baserels. From there, this sub-thread has turned into a discussion of
> exactly what that sanity check should be.

Yeah, when commenting on v4-0003 about including outer join relids in
the assertion, I had a feeling that it might take the discussion off
topic -- sorry that it did. That's why I suggested moving this part
of discussion to a separate thread.

I still think that cross-checking outer join relids isn't a
requirement for committing your patches, so I'm totally fine if you
end up with a version that doesn't assert outer join relids.

- Richard

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