Hi,
On 2021-04-05 21:35:21 -0700, Andres Freund wrote:
> See the attached fix. I did include a test that verifies that the
> kill_prior_tuples optimization actually prevents the index from growing,
> when subtransactions are involved. I think it should be stable, even
> with concurrent activity. But I'd welcome a look.
Pushed that now, after trying and failing to make the test spuriously
fail due to concurrent activity.
Greetings,
Andres Freund