Date: Thu, 22 May 2025 10:25:03 -0500
From: Nathan Bossart <nathandbossart@gmail.com>
To: Jeff Davis <pgsql@j-davis.com>
Cc: Hari Krishna Sunder <hari.db.pg@gmail.com>,
	Corey Huinker <corey.huinker@gmail.com>,
	Robert Treat <rob@xzilla.net>, Robert Haas <robertmhaas@gmail.com>,
	Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>,
	Michael Paquier <michael@paquier.xyz>,
	jian he <jian.universality@gmail.com>,
	Bruce Momjian <bruce@momjian.us>,
	Matthias van de Meent <boekewurm+postgres@gmail.com>,
	Magnus Hagander <magnus@hagander.net>,
	Stephen Frost <sfrost@snowman.net>,
	Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>,
	Peter Smith <smithpb2250@gmail.com>,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
	alvherre@alvh.no-ip.org
Subject: Re: Statistics Import and Export
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On Wed, May 21, 2025 at 04:53:17PM -0700, Jeff Davis wrote:
> On Wed, 2025-05-21 at 16:29 -0500, Nathan Bossart wrote:
>> I don't know precisely where that line might be, but in this case,
>> the
>> dumped stats have no hope of restoring into anything older than
>> v18... But I see no particular benefit from moving the complexity
>> to the
>> import side here.
> 
> That's fine with me. Perhaps we should just say that pre-18 behavior
> differences can be fixed up during export, and post-18 behavior
> differences are fixed up during import?

WFM.  I've committed the patch.

-- 
nathan