Re: Getting process id of a connection?

Webb Sprague wrote:
> Hi all,
>
> Is there a way to determine the pid of a database connection from
> within that connection?
>
> As a hypothetical example, I would like to be able to do the following:
>
> $ps x
>   PID TTY      STAT   TIME COMMAND
> 11674 ?        S      0:00 sshd: webbs@pts/1
> 11675 pts/1    Ss     0:00 -bash
> 11682 pts/1    T      0:00 psql
> 11685 pts/1    R+     0:00 ps x
>
> psql=# select CURRENT_PID;
> 11682
>
> I want this so that I can log the psycopg2 connection pid, and kill it
> to test reconnection code.
>
> Thanks!
> -W

I think select pg_backend_pid(); will do that.