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Re: Incorrect command tag row count for MERGE with a cross-partition update - Mailing list pgsql-hackers

From Dean Rasheed
Subject Re: Incorrect command tag row count for MERGE with a cross-partition update
Date
Msg-id CAEZATCWTTrGAgTfM_tNoGocnEKkYZT8dEic+Ewf_Ki76YCZ76w@mail.gmail.com
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In response to Re: Incorrect command tag row count for MERGE with a cross-partition update  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
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On Tue, 21 Feb 2023 at 09:34, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> > I think the best fix is to have ExecMergeMatched() pass canSetTag =
> > false to ExecUpdateAct(), so that ExecMergeMatched() takes
> > responsibility for updating estate->es_processed in all cases.
>
> Sounds sensible.
>

I decided it was also probably worth having a regression test covering
this, since it would be quite easy to break if the code is ever
refactored.

Pushed and back-patched.

Regards,
Dean

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