Hi,
On 2019-07-24 20:34:39 -0400, Tom Lane wrote:
> Yeah, I would absolutely NOT recommend that you open that can of worms
> right now. We have looked at adding unsigned integer types in the past
> and it looked like a mess.
I assume Thomas was thinking more of another bespoke type like xid, just
wider. There's some notational advantage in not being able to
immediately do math etc on xids.
- Andres