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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bruce Momjian <bruce@momjian.us>
Cc: Richard Guo <guofenglinux@gmail.com>
Cc: David Rowley <dgrowleyml@gmail.com>
Cc: Ronald Cruz <cruz@rentec.com>
Cc: pgsql-bugs@lists.postgresql.org, Peter Ford <pford@rentec.com>
Cc: Aaron J. Garcia <agarcia@rentec.com>
Subject: Re: Query result differences between PostgreSQL 17 vs 16
Date: Tue, 11 Mar 2025 18:19:49 -0400
Message-ID: <1837979.1741731589@sss.pgh.pa.us> (raw)
In-Reply-To: <Z9CzPA0W3Zyvqb6g@momjian.us>
References: <CAMbWs49rShAwK0sMz+-6d9hGd1RsRQd0tBuVUGvh88pNu9hG1w@mail.gmail.com>
	<1716556.1740551169@sss.pgh.pa.us>
	<CAMbWs4_SqFDZ1Mnp0Kmy-H2s7_-PdeuXva+kBG-jKSampoDHnw@mail.gmail.com>
	<CAMbWs48-_meMqqbkFQoVEEKBYYsanMvRk3zCqmVr23gyxkNhag@mail.gmail.com>
	<2337383.1740630494@sss.pgh.pa.us>
	<CAMbWs4-ATTw82Pc3B+64im26JQEWHemC-6VcGzqqqo_mjCEqpw@mail.gmail.com>
	<2748914.1740757698@sss.pgh.pa.us>
	<CAMbWs4_4HBfqs+AjrtNOeqZYwKTJps2jANzdCbAfQSCd-CdeGA@mail.gmail.com>
	<3650809.1741015351@sss.pgh.pa.us>
	<CAMbWs4_35p90MAuEV_cU4s8bMyL1ci9oLbSgzmdTB_+umXvkSw@mail.gmail.com>
	<Z9CzPA0W3Zyvqb6g@momjian.us>

Bruce Momjian <bruce@momjian.us> writes:
> Uh, if we fixed this for NULL optimization and backpatched, should we do
> the same for:
> 	Parameter NOT NULL to CREATE DOMAIN not the same as CHECK (VALUE IS NOT NULL)
> 	https://www.postgresql.org/message-id/flat/173591158454.714.7664064332419606037%40wrigleys.postgresq...

This is unrelated to that.

			regards, tom lane





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