Tom Lane wrote:
> Actually, the more I think about it the more I think that 3 numbers
> might be the answer. 99% of the code would use only the permanent ID.
> Display position would be used in *exactly* one place, namely while
> expanding "SELECT foo.*" --- I can't think of any other part of the
> backend that would care about it.
Insert without a column list will need the logical ordering, I think.
Also use of "like foo" in a create table statement. I'm not dead sure
there aren't one or two others lurking. But I agree that the number is
small.
cheers
andrew