Re: Report oldest xmin source when autovacuum cannot remove tuples

[Shinya Kato]

On Sat, May 23, 2026 at 10:40 AM Japin Li <japi...@hotmail.com> wrote:
> Thanks for updating the patch. LGTM. Just one nitpick.
>
> +       int                     pid;                    /* backend pid (0 for 
> slots) */
>
> Per the code, the prepared transaction is also associated with a PID of zero.

Thanks for the review! You're right, prepared transactions also have
pid 0. Fixed the comment to mention that.

Additionally, I forgot to update meson.build, which caused the tests
to fail. I have fixed that in the attached patch.

-- 
Best regards,
Shinya Kato
NTT OSS Center

v4-0001-Report-oldest-xmin-blocker-when-VACUUM-cannot-rem.patch
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