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In-Reply-To: <CANtu0ogHMahRJvLKPofE9T7Z19H3UyWeb22fZ9cKfFRG_BEV0w@mail.gmail.com>
From: Michail Nikolaev <michail.nikolaev@gmail.com>
Date: Wed, 12 Feb 2025 00:39:09 +0100
Message-ID: <CANtu0ojos4kvrrQ9YJOei2=c5vB1wJBHpR3q_X+BG1i99ut+Hw@mail.gmail.com>
Subject: Re: [BUG?] check_exclusion_or_unique_constraint false negative
To: "Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, 
	"Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, 
	PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Andres Freund <andres@anarazel.de>
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Hello!

I realize proposed solution does not guarantee absent of false negative
cases...
It happens because I am looking just at XID values, but them have nothing
with transaction commitment order in the common case.

I'll look for some other option.

Best regards,
Mikhail.

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<div dir=3D"ltr">Hello!<div><br></div><div>I realize proposed solution does=
 not guarantee absent of false negative cases...</div><div>It happens=C2=A0=
because I am looking just=C2=A0at XID values, but=C2=A0them have nothing wi=
th transaction commitment order in the common case.</div><div><br></div><di=
v>I&#39;ll look for some other=C2=A0option.</div><div><br></div><div>Best r=
egards,</div><div>Mikhail.</div></div>

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