On Sat, Oct 19, 2019 at 5:56 PM Etsuro Fujita <etsuro.fujita@gmail.com> wrote:
> On Fri, Oct 18, 2019 at 6:56 PM Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> > On 2019-Oct-18, Etsuro Fujita wrote:
> > > While reviewing the partitionwise-join patch, I noticed $Subject，ie,
> > > this in create_list_bounds():
> > >
> > > /*
> > > * Never put a null into the values array, flag instead for
> > > * the code further down below where we construct the actual
> > > * relcache struct.
> > > */
> > > if (null_index != -1)
> > > elog(ERROR, "found null more than once");
> > > null_index = i;
> > >
> > > "the code further down below where we construct the actual relcache
> > > struct" isn't in the same file anymore by refactoring by commit
> > > b52b7dc25. How about modifying it like the attached?
> >
> > Yeah, agreed. Instead of "the null comes from" I would use "the
> > partition that stores nulls".
>
> I think your wording is better than mine. Thank you for reviewing!
I applied the patch down to PG12.
Best regards,
Etsuro Fujita