Andreas Pflug <pgadmin(at)pse-consulting(dot)de> writes:
> Tom Lane wrote:
>> it still seems like we don't have to represent these columns explicitly
>> in pg_attribute.
> Hm, technically you might be right. Still, I like pgAdmin3 to show that
> columns (when "show system objects" is enabled) for teaching purposes,
> so users/newbies browsing the objects will learn "hey, there are some
> reserved columns, they could have some meaning".
Not unreasonable, but is it worth a factor of 2 in the size of
pg_attribute?
regards, tom lane