Re: Fix GROUP BY ALL handling of ORDER BY operator semantics

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fix GROUP BY ALL handling of ORDER BY operator semantics
Date: 2026-07-15 14:53:40
Message-ID: 3438126.1784127220@sss.pgh.pa.us
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Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
> FWIW, I had a look at what a revert of the commit would look like. The
> original commit included some while-in-there docs/comment cleanups which carry
> value on their own, so I think we should leave those in. The attached reverts
> GROUP BY ALL but retains the cleanups. If we decide to revert, the v19 back
> patch would need to remove the entry from the release notes as well, but I only
> did a master revert patch for now.

Thanks for doing that! I'll wait another day or so to see if anyone
wants to push back on reverting this.

regards, tom lane

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