Re: expose parallel leader in CSV and log_line_prefix - Mailing list pgsql-hackers

> On Fri, Jul 17, 2020 at 7:01 AM Michael Paquier <michael@paquier.xyz> wrote:
>
> > Hmm.  Knowing if a leader is actually running parallel query or not
> > requires a lookup at lockGroupMembers, that itself requires a LWLock.
> > I think that it would be better to not require that.  So what if
> > instead we logged %P only if Myproc has lockGroupLeader set and it
> > does *not* match MyProcPid?

That's what I said first, so +1 for that approach.

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Álvaro Herrera                https://www.2ndQuadrant.com/
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