Harald Fuchs <hari(dot)fuchs(at)gmail(dot)com> writes:
> That being said, I still think that PostgreSQL could do better - how
> about naming expression columns so that they are distinct from column
> names?
Even though the rules we use are pretty arbitrary, I'm hesitant to make
changes in them; it seems more likely to break existing applications
than to do anyone any good.
regards, tom lane