Re: Add a hint to the "WAL summaries are required" errors

From: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
To: Manu <manuelreyesbravo(at)gmail(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Raja Sai Pranav <rajasaipranav0(at)gmail(dot)com>, Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>
Subject: Re: Add a hint to the "WAL summaries are required" errors
Date: 2026-11-10 15:40:25
Message-ID: CAHGQGwFMYdHRsX0bfsqCyK4g0CuEfV7Cvz0qa8P0Y3uqXprj9g@mail.gmail.com
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On Wed, Nov 11, 2026 at 12:19 AM Manu <manuelreyesbravo(at)gmail(dot)com> wrote:
> One note on the first sentence: with summarize_wal off, the request
> fails earlier with "incremental backups cannot be taken unless WAL
> summarization is enabled" (3 of 3), so whoever sees this hint already
> has it enabled and the sentence can only be about the past.

That seems right. So I'm ok with the following hint message for both errors.

Consider using a more recent backup as the basis for this
incremental backup,
or taking a new full backup.

Regards,

--
Fujii Masao

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