Re: Parallel Seq Scan

On Mon, Nov 16, 2015 at 4:35 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Fri, Nov 13, 2015 at 10:46 AM, Thom Brown <thom@linux.com> wrote:
> >>> And perhaps associated PIDs?
> >>
> >> Yeah, that can be useful, if others also feel like it is important, I can
> >> look into preparing a patch for the same.
> >
> > Thanks.
>
> Thom, what do you think the EXPLAIN output should look like,
> specifically?  Or anyone else who feels like answering.
>
> I don't think it would be very useful to repeat the entire EXPLAIN
> output n times, once per worker.  That sounds like a loser.

>

Yes, it doesn't seem good idea to repeat the information, but what

about the cases when different workers perform scan on different

relations (partitions in case of Append node) or may be performs a

different operation in Sort or join node parallelism.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com