Horton

Re: Injection points: some tools to wait and wake

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: "Andrey M. Borodin" <x4mmm@yandex-team.ru>
Cc: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>, Postgres hackers <pgsql-hackers@lists.postgresql.org>, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Date: 2024-02-29T05:54:39Z
Lists: pgsql-hackers 
On Wed, Feb 28, 2024 at 10:27:52AM +0500, Andrey M. Borodin wrote:
> BTW, if we had an SQL function such as injection_point_await(name),
> we could use it in our isolation tests as well as our TAP tests :)

I am not quite sure to follow here.  The isolation test facility now
relies on the in-core function pg_isolation_test_session_is_blocked()
to check the state of backends getting blocked, and that's outside of
the scope of the module injection_points.
--
Michael

Commits

  1. Add PostgreSQL::Test::Cluster::wait_for_event()

  2. Add regression test for restart points during promotion

  3. injection_points: Add wait and wakeup of processes