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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Rowley <drowley@postgresql.org>
cc: pgsql-committers@lists.postgresql.org,
        Richard Guo <guofenglinux@gmail.com>
Subject: Re: pgsql: Fix LATERAL join test in test memoize.sql
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Comments: In-reply-to David Rowley <drowley@postgresql.org>
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Date: Mon, 23 Jan 2023 18:37:41 -0500
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David Rowley <drowley@postgresql.org> writes:
> Here we add a simple ORDER BY to stop the planner from being able to
> pullup the lateral subquery.

Hmmm ... we have an agreed syntax for a subquery optimization fence,
and that ain't it.  I wouldn't count on this not breaking again in
the future.  Why not OFFSET 0, which is the usual method?

			regards, tom lane