On Sat, Dec 15, 2018 at 12:14 AM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Wed, Nov 28, 2018 at 1:43 PM Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> > Right, I think option 4 is a clear improvement over option 1. I can get
> > behind that one. Since not many people care to vote, I think this tips
> > the scales enough to that side.
>
> I'm showing up very late to the party here, but I like option 1 best.
> I feel like the SQL standard has a pretty clear idea that NULL is how
> you represent a value is unknown, which shows up in a lot of places.
> Deciding that we're going to use a different sentinel value in this
> one case because NULL is a confusing concept in general seems pretty
> strange to me.
>
The proposed patch has used option-4. I am not sure if you are
completely convinced or not, but I hope that you won't mind too much
if we pursue with option-4.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
