Re: Allow parallel DISTINCT

On Tue, Aug 17, 2021 at 3:59 AM David Rowley <dgrowleyml@gmail.com> wrote:

> On Tue, 17 Aug 2021 at 20:07, Zhihong Yu <zyu@yugabyte.com> wrote:
> > Can you attach updated patch so that we know more detail about the two
> new functions; create_final_distinct_paths and
> > create_partial_distinct_paths ?
>
> Must've fallen off in transit :)
>
> David
>
Hi,
Since create_partial_distinct_paths() calls create_final_distinct_paths(),
I wonder if numDistinctRows can be passed to create_final_distinct_paths()
so that the latter doesn't need to call estimate_num_groups().

Cheers