Re: cataloguing NOT NULL constraints

On 25.08.23 13:38, Alvaro Herrera wrote:
> I have now pushed this again.  Hopefully it'll stick this time.
> 
> We may want to make some further tweaks to the behavior in some cases --
> for example, don't disallow ALTER TABLE DROP NOT NULL when the
> constraint is both inherited and has a local definition; the other
> option is to mark the constraint as no longer having a local definition.
> I left it the other way because that's what CHECK does; maybe we would
> like to change both at once.
> 
> I ran it through CI, and the pg_upgrade test with a dump from 14's
> regression test database and everything worked well, but it's been a
> while since I tested the sepgsql part of it, so that might the first
> thing to explode.

It looks like we forgot about domain constraints?  For example,

create domain testdomain as int not null;

should create a row in pg_constraint?