On Tue, Aug 24, 2021 at 9:08 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
> What happens when there is neither a new walsender nor an old
> walsender is present? It means to run the above statement when a new
> walsender is exited due to error "... slot is active ..." and before a
> new walsender could start. Also, allow old walsender (due to which the
> error occurs) to exit before executing the statement.
>
I tried this, then the query returns a null instead of 'false' because
there is no entry for that application_name.
postgres=# select pid != 31876 from pg_stat_replication where
application_name = 'sub';
?column?
----------
(0 rows)
> Also, it seems this failure happens on REL_11_STABLE branch, not sure
> if that matters, but it is better to use the same branch if you are
> using a different branch to reproduce the issue.
>
Ok, I didn't realise this. I will try this.
regards,
Ajin Cherian
Fujitsu Australia