From: Tom Lane <tgl@sss.pgh.pa.us>
To: Corey Huinker <corey.huinker@gmail.com>
cc: Magnus Hagander <magnus@hagander.net>, Jeff Davis <pgsql@j-davis.com>,
        Stephen Frost <sfrost@snowman.net>,
        Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>,
        Matthias van de Meent <boekewurm+postgres@gmail.com>,
        Peter Smith <smithpb2250@gmail.com>,
        PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
        Tomas Vondra <tomas.vondra@enterprisedb.com>
Subject: Re: Statistics Import and Export
In-reply-to: 
 <CADkLM=fJJKjFun6fHSO1nBQTbtPXxGTSGrRsJiuXgVQRYPLadA@mail.gmail.com>
References: <Zei1xMGH8SJS9yoc@tamriel.snowman.net>
 <54f190b6c757da2a33cce811949e9dd9601fcba7.camel@j-davis.com>
 <1632327b74a734f8c434eb75e824160d2b06a697.camel@j-davis.com>
 <CADkLM=dOUfTtpmE70mx5SmdEs11hic61G-wPa45pB1iC3NRABg@mail.gmail.com>
 <16412b8b7ae443cb7470006beff3011927048860.camel@j-davis.com>
 <CADkLM=cq1n2wbxhV23pOeUKReBPZxZyELDsDJ3VAxkYBSVAe0g@mail.gmail.com>
 <CADkLM=d_WYoFq75eoNHso+9EFDi=Q2BtCmxQYMjrgLL4=v5dxw@mail.gmail.com>
 <1b1bd1ec39ab3de09a17bf7b241021067e5bd63c.camel@j-davis.com>
 <CADkLM=eJXPQD=pWwwm+4Y48haiMmznB8dCECNMrwr59niY8ESw@mail.gmail.com>
 <2bce855db8259c5672a09f863a307ca07b967b68.camel@j-davis.com>
 <CADkLM=dw=fkvPRmOw74UDYnLzXwkDyMSY1k2jsU5=xXBAj7Mpw@mail.gmail.com>
 <5e94c358caedf2a231dd71624c3578db7227a265.camel@j-davis.com>
 <CADkLM=dztWa9shWHyq=+rS9KvbZQ2v54tnOcYT+g8psf0B7w_A@mail.gmail.com>
 <CADkLM=fFwkd7VbO4SPCyX-2f-fyGraka5J+5fcp1QMrCefu68Q@mail.gmail.com>
 <CADkLM=cioQmOFh98qQmqVEkVPjLYszEhZtNtUbmmNAdHOSr3WQ@mail.gmail.com>
 <CADkLM=e=_6dtacmrvd!
 2NJWacOnQ3Zu5iaRZFgePL1=0L5-7P_w@mail.gmail.com>
 <3df03aa65aa6ea3a76582e1a792e422dc5c32ad3.camel@j-davis.com>
 <CAOuzzgpfm9hROr_g8LouvpOeqv4yxk3qXPXU9Sn2nnqzPpP5UA@mail.gmail.com>
 <718fa933c2c58d0ecc61995ab5c7ca1fe78d6369.camel@j-davis.com>
 <CADkLM=f9FOu9Z2GT1cbtRaffDvtXyUOuv2HMVw0=phYe2T2D9w@mail.gmail.com>
 <CABUevEz1gLOkWSh_Vd9LQh-JM4i=Mu7PVT9ffc77TmH0Zh3TzA@mail.gmail.com>
 <CADkLM=dTY5bkMB4WO0aTYEOP=re0_QjWfYyPd-A5-BvEQdn9cA@mail.gmail.com>
 <790136.1711910460@sss.pgh.pa.us>
 <CADkLM=dHMSV=0r-hssUAksYXgi5ugDpSC9xF9mV88h2x9fjCBw@mail.gmail.com>
 <832590.1711925053@sss.pgh.pa.us>
 <CADkLM=fJJKjFun6fHSO1nBQTbtPXxGTSGrRsJiuXgVQRYPLadA@mail.gmail.com>
Comments: In-reply-to Corey Huinker <corey.huinker@gmail.com>
	message dated "Sun, 31 Mar 2024 18:58:48 -0400"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <840210.1711926287.1@sss.pgh.pa.us>
Date: Sun, 31 Mar 2024 19:04:47 -0400
Message-ID: <840211.1711926287@sss.pgh.pa.us>
Archived-At: 
 <https://www.postgresql.org/message-id/840211.1711926287%40sss.pgh.pa.us>
Precedence: bulk

Corey Huinker <corey.huinker@gmail.com> writes:
>> I can't quibble with that view of what has priority.  I'm just
>> suggesting that redesigning what pg_upgrade does in this area
>> should come later than doing something about extended stats.

> I mostly agree, with the caveat that pg_upgrade's existing message saying
> that optimizer stats were not carried over wouldn't be 100% true anymore.

I think we can tweak the message wording.  I just don't want to be
doing major redesign of the behavior, nor adding fundamentally new
monitoring capabilities.

			regards, tom lane