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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
cc: zuming.jiang@inf.ethz.ch, David Rowley <dgrowleyml@gmail.com>,
        pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18305: Unexpected error: "WindowFunc not found in subplan
 target lists" triggered by subqueries
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Comments: In-reply-to Richard Guo <guofenglinux@gmail.com>
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Richard Guo <guofenglinux@gmail.com> writes:
> Hmm, is there a way to detect in find_window_run_conditions() whether
> the WindowFunc's argument references a SubLink node of a subquery that
> hasn't been pulled up?

contain_subplans will recognize both SubLinks and SubPlans,
so there must be some other factor here.  (I didn't look yet.)

			regards, tom lane