Re: DROP COLUMN status

> "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
> > The implementation makes the dropped column invisible by
> > changing its attnum to -attnum - offset(currently 20) and
> > attnam to ("*already Dropped%d",attnum).
>
> Ugh. No wonder you had to hack so many places in such an ugly fashion.
> Why not leave the attnum as-is, and just add a bool saying "column is
> dropped" to pg_attribute? As long as the parser ignores columns marked
> that way for field lookup and expansion of *, it seems the rest of the
> system wouldn't need to treat dropped columns specially in any way.

If we leave it as positive, don't we have to change user applications
that query pg_attribute so they also know to skip it?

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