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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: sindysenorita@gmail.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17618: unnecessary filter column <> text even after adding index
Date: Fri, 23 Sep 2022 10:10:09 -0400
Message-ID: <2100290.1663942209@sss.pgh.pa.us> (raw)
In-Reply-To: <CAMbWs4-o-VLk3gXqz7W7ZS384S5mvW5noB8f_BKzU_c77DBjXg@mail.gmail.com>
References: <17618-7a2240bfaa7e84ae@postgresql.org>
	<349136.1663601052@sss.pgh.pa.us>
	<CAMkU=1wqvsMwnQTrQ0zoRo2AkYhuEY-RuzpaXrvz7iNu38CVqg@mail.gmail.com>
	<739953.1663701274@sss.pgh.pa.us>
	<946195.1663718159@sss.pgh.pa.us>
	<CAMbWs4-o-VLk3gXqz7W7ZS384S5mvW5noB8f_BKzU_c77DBjXg@mail.gmail.com>

Richard Guo <guofenglinux@gmail.com> writes:
> So I think we need to run eval_const_expressions on indexquals before we
> check for duplicate clauses, something like attached.

[ squint... ]  Surely that was done long before we ever get here?

			regards, tom lane





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