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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
Cc: Andrei Lepikhov <a.lepikhov@postgrespro.ru>
Cc: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Vik Fearing <vik@postgresfriends.org>
Cc: zuming.jiang@inf.ethz.ch, pgsql-bugs@lists.postgresql.org, Alexander Korotkov <akorotkov@postgresql.org>
Subject: Re: BUG #18170: Unexpected error: no relation entry for relid 3
Date: Fri, 27 Oct 2023 10:41:26 -0400
Message-ID: <1551957.1698417686@sss.pgh.pa.us> (raw)
In-Reply-To: <CAMbWs494m3AjhHry_HFCFi_SJ+6-PaeMRbx7jK39ZHmK0MVOUA@mail.gmail.com>
References: <18170-f1d17bf9a0d58b24@postgresql.org>
	<4ecab120-6be3-4cf6-a2a0-249c73ae91d4@postgresfriends.org>
	<1189851.1698340331@sss.pgh.pa.us>
	<011bcae5-7840-42c7-a50c-b406189e2e78@postgrespro.ru>
	<CAPpHfdsiN0norSHfw3Ujemf=RuPzMxt5PRDiyv0vqUdwSBDtoA@mail.gmail.com>
	<721542ce-79df-469e-93e9-811fadb5bd0c@postgrespro.ru>
	<2eb87c2e-7e6f-4002-8df3-8fac3aa6a037@postgrespro.ru>
	<CAMbWs494m3AjhHry_HFCFi_SJ+6-PaeMRbx7jK39ZHmK0MVOUA@mail.gmail.com>

Richard Guo <guofenglinux@gmail.com> writes:
> Alternatively, can we look at subroot->parse->targetList instead of
> subquery->targetList where we call estimate_num_groups on the output of
> the subquery?

Please read the comment just above that.

			regards, tom lane





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