Re: BUG #15212: Default values in partition tables don't work as expected and allow NOT NULL violation

On Fri, Nov 9, 2018 at 1:03 AM Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> On 2018-Nov-07, Amit Langote wrote:
>
> > I think the result in this case should be an error, just as it would in
> > the regular inheritance case.
> >
> > create table parent (a text);
> > create table child (a text collate "en_US") inherits (parent);
> > NOTICE:  merging column "a" with inherited definition
> > ERROR:  column "a" has a collation conflict
> > DETAIL:  "default" versus "en_US"
> >
> > In fact, I see that ATTACH PARTITION rejects a partition if collations
> > don't match.
>
> Hmm, I'm thinking perhaps we shouldn't backpatch this part.  It's
> obviously a bug, but we might break somebody's working apps.  Therefore
> I think I'd rather leave it out of the current bugfix and commit
> separately.

Okay, that may be fine because nothing wrong is happening by silently
ignoring the partition's specified collation.

Thanks,
Amit