Re: Feature improvement: can we add queryId for pg_catalog.pg_stat_activityview? - Mailing list pgsql-hackers

Hello,

On Wed, Jul 31, 2019 at 10:55 AM Evgeny Efimkin <efimkin@yandex-team.ru> wrote:
>
> What reason to use pg_atomic_uint64?

The queryid is read and written without holding any lock on the PGPROC
entry, so the pg_atomic_uint64 will guarantee that we get a consistent
value in pg_stat_get_activity().  Other reads shouldn't be a problem
as far as I remember.

> In docs:
> occured - > occurred

Thanks!  I fixed it on my local branch.