Re: [EXTERNAL] Re: Add non-blocking version of PQcancel

Jelte Fennema-Nio <postgres@jeltef.nl> writes:
> On Tue, 12 Mar 2024 at 19:28, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>>> Hmm, buildfarm member kestrel (which uses
>>> -fsanitize=undefined,alignment) failed:

>> Hm, I tried using the same compile flags, couldn't reproduce.

> Okay, it passed now it seems so I guess this test is flaky somehow.

Two more intermittent failures:

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=bushmaster&dt=2024-03-13%2003%3A15%3A09

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=taipan&dt=2024-03-13%2003%3A15%3A31

These animals all belong to Andres' flotilla, but other than that
I'm not seeing a connection.  I suspect it's basically just a
timing dependency.  Have you thought about the fact that a cancel
request is a no-op if it arrives after the query's done?

            regards, tom lane