Re: JumbleQuery ma treat different GROUP BY expr as the same

From: jian he <jian(dot)universality(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Richard Guo <guofenglinux(at)gmail(dot)com>
Subject: Re: JumbleQuery ma treat different GROUP BY expr as the same
Date: 2026-01-11 12:11:00
Message-ID: CACJufxGc1WWSh-DBc6_a7xTzPK+y3EJELfwfLa5Ef=NBXvKT6A@mail.gmail.com
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On Sun, Jan 11, 2026 at 6:13 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> This issue also points to a gap in the regression of
> pg_stat_statements, where we have never bothered testing patterns of
> GROUP BY with the same table and different attributes. Jian, would
> you like to write a patch?
> --
> Michael

Sure, I will give it a try over the next few days.

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