Re: [PATCH] Fix error message in RemoveWalSummaryIfOlderThan to indicate file removal failure

Junwang Zhao <zhjwpku@gmail.com>

From: Junwang Zhao <zhjwpku@gmail.com>
To: zengman <zengman@halodbtech.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2026-02-01T14:55:53Z
Lists: pgsql-hackers
On Sun, Feb 1, 2026 at 10:43 PM zengman <zengman@halodbtech.com> wrote:
>
> Hi all,
>
> I noticed a small issue. In `RemoveWalSummaryIfOlderThan`,an `unlink()` failure incorrectly logs "could not stat file", likely a copy-paste error.
> I updated it to "could not remove file". No functional changes.
>
> ```
> diff --git a/src/backend/backup/walsummary.c b/src/backend/backup/walsummary.c
> index 21164faac7e..4ee510092f9 100644
> --- a/src/backend/backup/walsummary.c
> +++ b/src/backend/backup/walsummary.c
> @@ -251,7 +251,7 @@ RemoveWalSummaryIfOlderThan(WalSummaryFile *ws, time_t cutoff_time)
>         if (unlink(path) != 0)
>                 ereport(ERROR,
>                                 (errcode_for_file_access(),
> -                                errmsg("could not stat file \"%s\": %m", path)));
> +                                errmsg("could not remove file \"%s\": %m", path)));
>         ereport(DEBUG2,
>                         (errmsg_internal("removing file \"%s\"", path)));
>  }
> ```
>
> --
> regards,
> Man Zeng

Agreed, that was likely due to a copy-paste oversight.

-- 
Regards
Junwang Zhao



Commits

  1. Fix error message in RemoveWalSummaryIfOlderThan()