On Sat, Oct 24, 2026 at 5:39 AM Raja Sai pranav
<[email protected]> wrote:
> The attached patch adds the missing check: if the prior backup's final
> timeline has an end in this server's history, the prior backup's WAL range
> must not end after it.

Thanks for the report and patch!
Attached is a revised version with these changes:

- Check the timeline switch point before the new backup's start LSN,
   so the error directly reports the history mismatch.
- Extend 008_promote.pl rather than adding a separate test.
- Document the timeline requirement for incremental backup.

Thought?

Regards,

-- 
Fujii Masao

Attachment: v2-0001-Reject-incremental-backups-based-on-a-backup-from.patch
Description: Binary data

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