Re: Patch: Range Merge Join

On Thu, Jun 10, 2021 at 07:14:32PM -0700, Jeff Davis wrote:
> On Thu, 2021-06-10 at 15:09 +1200, David Rowley wrote:
> > It shouldn't be a blocker for you, but just so you're aware, there
> > was
> > a previous proposal for this in [1] and a patch in [2]. I've include
> > Jeff here just so he's aware of this. Jeff may wish to state his
> > intentions with his own patch. It's been a few years now.
>
> Great, thank you for working on this!
>
> I'll start with the reason I set the work down before: it did not work
> well with multiple join keys. That might be fine, but I also started
> thinking it was specialized enough that I wanted to look into doing it
> as an extension using the CustomScan mechanism.
>
> Do you have any solution to working better with multiple join keys? And
> do you have thoughts on whether it would be a good candidate for the
> CustomScan extension mechanism, which would make it easier to
> experiment with?
>

Hi,

It seems this has been stalled since jun-2021. I intend mark this as
RwF unless someone speaks in the next hour or so.

--
Jaime Casanova
Director de Servicios Profesionales
SystemGuards - Consultores de PostgreSQL