Horton

Re: Injection points: some tools to wait and wake

x4mmm@yandex-team.ru

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From: "Andrey M. Borodin" <x4mmm@yandex-team.ru>
To: Michael Paquier <michael@paquier.xyz>
Cc: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>, Postgres hackers <pgsql-hackers@lists.postgresql.org>, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Date: 2024-02-28T05:27:52Z
Lists: pgsql-hackers 

> On 28 Feb 2024, at 09:26, Michael Paquier <michael@paquier.xyz> wrote:
> 
> Now, a routine should be only about waiting on
> pg_stat_activity to report something

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 :)
However, this might well be a future improvement, if we had a generic “await" Perl function - we wouldn’t need to re-use new SQL code in so many places.

Thanks!


Best regards, Andrey Borodin.

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