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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
Cc: Daniel Gustafsson <daniel@yesql.se>
Cc: xinwen@stu.scu.edu.cn
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17700: An assert failed in prepjointree.c
Date: Mon, 28 Nov 2022 22:31:19 -0500
Message-ID: <799827.1669692679@sss.pgh.pa.us> (raw)
In-Reply-To: <CAMbWs488fY3pzOoBwDNJijrhAtmkmbETaVQHmKaRS3HG6jbzLg@mail.gmail.com>
References: <17700-2b5c10d917c30687@postgresql.org>
	<CAMbWs4-VqpU4qBmO6Ktrt0Ur5OuV7OgZuDEx2GuVCajFrV6xAA@mail.gmail.com>
	<556194.1669649617@sss.pgh.pa.us>
	<627613.1669652527@sss.pgh.pa.us>
	<CAMbWs4_68Hh9CSnCPhHy0eHmsJcGMiDRxswQfMT0SjxmB=EB2w@mail.gmail.com>
	<CAMbWs49E2VtKdG=T0aPC0_DsO1x2yf1nmxxVaxEwQ58k6aCRyQ@mail.gmail.com>
	<793071.1669688653@sss.pgh.pa.us>
	<CAMbWs488fY3pzOoBwDNJijrhAtmkmbETaVQHmKaRS3HG6jbzLg@mail.gmail.com>

Richard Guo <guofenglinux@gmail.com> writes:
> BTW, I wonder if we need the JOIN_RIGHT case here since JOIN_RIGHT
> should have been flipped around to become JOIN_LEFT.

Hmm, you're right, that's done in reduce_outer_joins which
precedes this step.

			regards, tom lane





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