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From: Chao Li <li.evan.chao@gmail.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Euler Taveira <euler@eulerto.com>
Cc: japin <japinli@hotmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: log_min_messages per backend type
Date: Mon, 9 Feb 2026 21:01:37 +0800
Message-ID: <623F2E6B-AC09-4DF9-B5F4-139DF19A5667@gmail.com> (raw)
In-Reply-To: <202602091248.6svurucevci2@alvherre.pgsql>
References: <202602091248.6svurucevci2@alvherre.pgsql>



> On Feb 9, 2026, at 20:50, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
> 
> On 2026-Feb-09, Chao Li wrote:
> 
>> There’s also a related regression in the interactive case. Before this
>> patch, when debugging via psql, a superuser could easily do:
>> 
>> ```
>> # set log_min_messages = debug5
>> ```
>> 
>> to temporarily increase verbosity for the current backend. With the
>> new syntax, doing the equivalent now requires copying the entire
>> log_min_messages string and modifying just one part, which feels
>> noticeably heavier for quick debugging.
> 
> Nonsense.  You can still do the above, and it has the same behavior as
> before.
> 

Ah, yes, for the SET scenario, it sets the log level for all types, so the backend type gets the value, which ends up with the same behavior as before.

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/

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