Re: [HACKERS] advanced partition matching algorithm for partition-wise join

Attached version is rebase atop of the latest master head(c74d49d41c),
thanks.

Regards,
Amul

On Mon, Jul 1, 2019 at 4:46 PM Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>
wrote:

> On Mon, Jul 1, 2019 at 6:50 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
> wrote:
> > On Sat, May 18, 2019 at 12:20 AM Robert Haas <robertmhaas(at)gmail(dot)com>
> wrote:
> > > On Tue, May 14, 2019 at 12:24 AM Amit Langote
> > > <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> > > > He did mention that cases where the nullable side is provably empty
> can be
> > > > handled by simply returning the path of the non-nullable side with
> > > > suitable projection path added on top to emit NULLs for the columns
> of the
> > > > nullable-side. If we teach populate_joinrel_with_paths() and
> underlings
> > > > about that, then we can allow partitionwise join even in the case
> where
> > > > the nullable side has some partitions missing.
> > >
> > > Yes, I think that would be a good approach to pursue.
> >
> > Hi Ashutosh, Amul, Fujita-san,
> >
> > Could we please have a fresh rebase for the new Commitfest?
>
> Will do unless Ashutosh, Amul, or anyone wants to.
>
> Thanks!
>
> Best regards,
> Etsuro Fujita
>