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From: Bruce Momjian <bruce@momjian.us>
To: Chao Li <li.evan.chao@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Daniel Gustafsson <daniel@yesql.se>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Fix GROUP BY ALL handling of ORDER BY operator semantics
Date: Wed, 19 Aug 2026 22:12:00 -0400
Message-ID: <aoZicGVSdpdX2SQ-@momjian.us> (raw)
In-Reply-To: <B9B4390D-42DE-4FFC-ADF0-A75B307E344F@gmail.com>
References: <5243308F-8E5C-45AA-828C-FAD96C4F34DA@gmail.com>
	<A0B7C417-5710-47B3-8FA2-C0DDA518DA07@yesql.se>
	<3278800.1783989856@sss.pgh.pa.us>
	<A3C289BE-8916-4DC6-962D-624F35E02B44@yesql.se>
	<3338663.1784045300@sss.pgh.pa.us>
	<F8D8CB8C-5628-4557-A694-1484D5A44340@yesql.se>
	<3438126.1784127220@sss.pgh.pa.us>
	<4103705.1784319344@sss.pgh.pa.us>
	<B9B4390D-42DE-4FFC-ADF0-A75B307E344F@gmail.com>

On Sat, Jul 18, 2026 at 05:59:10AM +0800, Chao Li wrote:
> 
> 
> > On Jul 18, 2026, at 04:15, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > 
> > I wrote:
> >> Thanks for doing that!  I'll wait another day or so to see if anyone
> >> wants to push back on reverting this.
> > 
> > Hearing nothing, pushed.  Thanks for doing the legwork on that.
> > 
> > regards, tom lane
> 
> We need to notify Bruce to remove this feature from the PG19 release note. If that’s not done yet, I can do it.

Yes, I removed it in my July update, thanks.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.






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