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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
cc: Lori Corbani <Lori.Corbani@jax.org>,
 Thomas Munro <thomas.munro@gmail.com>,
        "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>
Subject: Re: [EXTERNAL]Re: BUG #19094: select statement on postgres 17 vs
 postgres 18 is returning different/duplicate results
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Comments: In-reply-to Richard Guo <guofenglinux@gmail.com>
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Date: Wed, 29 Oct 2025 12:00:13 -0400
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Richard Guo <guofenglinux@gmail.com> writes:
> After spending a bit more time experimenting, I couldn't find a better
> query that shows a large difference between the costs of the PRSJ plan
> and the patched version plan.  So I've updated the test case to use
> the aforementioned one.  I also removed the reset statements and
> switched to the begin/rollback pattern for the test case.

v2 patch LGTM.

			regards, tom lane