Re: d25ea01275 and partitionwise join

On Thu, Jul 18, 2019 at 11:18 AM Amit Langote <amitlangote09(at)gmail(dot)com> wrote:
> On Tue, Jul 16, 2019 at 8:22 PM Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> wrote:
> > On Tue, Jul 2, 2019 at 6:29 PM Amit Langote <amitlangote09(at)gmail(dot)com> wrote:
> > > 0001 - fix partitionwise join to work correctly with n-way joins of
> > > which some are full joins (+ cosmetic improvements around the code
> > > that was touched)
> >
> > Here are my comments about the cosmetic improvements: they seem pretty
> > large to me, so I'd make a separate patch for that.
>
> OK, my bad that I added so many cosmetic changes into a patch that is
> meant to fix the main issue. Just to clarify, I'm proposing these
> cosmetic improvements to better clarify the terminological separation
> between nullable and non-nullable partition keys, which I found a bit
> hard to understand as is.

OK, thanks for the explanation!

> I've broken the patch into two: 0001 contains only cosmetic changes
> and 0002 the fix for handling full joins properly. Would you rather
> that be reversed?

I like this order.

> > In addition, I'd
> > move have_partkey_equi_join() and match_expr_to_partition_keys() to
> > relnode.c, because these functions are only used in that file.
>
> I hadn't noticed that. Makes sense to move them to relnode.c, which
> is implemented in 0001.

Thanks for including that! Will review.

Best regards,
Etsuro Fujita