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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
cc: pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Avoid mislabeling of lateral references when pulling up a
 subque
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Richard Guo <guofenglinux@gmail.com> writes:
> On Fri, Nov 29, 2024 at 7:33 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> It seems to be sufficient to just not mark lateral
>> references at all in this case.  (I have a nagging feeling that more
>> complexity may be needed in cases where there are several levels of
>> outer join, but some attempts to break it with that didn't succeed.)

> You're right about your feeling.  Here is a query that breaks it.

Ah, thanks for the test case.  I'll look into it tomorrow.

			regards, tom lane