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From: Tom Lane <[email protected]>
To: Alexander Korotkov <[email protected]>
Cc: Ronan Dunklau <[email protected]>
Cc: [email protected]
Cc: Michael Paquier <[email protected]>
Subject: Re: Fix gin index cost estimation
Date: Sun, 08 Jan 2023 11:08:02 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAPpHfdvYCtwxTBNmvz6_MDNCDDBBNW6n2VzE3=Wy0m6pEvCd+g@mail.gmail.com>
References: <3188617.44csPzL39Z@aivenronan>
	<CAPpHfdtFYZjv41djYjNcJUuZhDKUu9eJSthKmmDWE-azAZjn5g@mail.gmail.com>
	<10184681.nUPlyArG6x@aivenlaptop>
	<4787929.31r3eYUQgx@aivenlaptop>
	<CAPpHfdvYCtwxTBNmvz6_MDNCDDBBNW6n2VzE3=Wy0m6pEvCd+g@mail.gmail.com>

Alexander Korotkov <[email protected]> writes:
> I'm going to push this and backpatch to all supported versions if no objections.

Push yes, but I'd counsel against back-patching.  People don't
generally like unexpected plan changes in stable versions, and
that's what a costing change could produce.  There's no argument
that we are fixing a failure or wrong answer here, so it doesn't
seem like back-patch material.

			regards, tom lane

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