pgsql-bugs@postgresql.org writes:
> Been playing with the 7.3beta1 version and I've noticed a small
> problem with dependency checking when dropping a column. If you have
> a view which uses JOIN's to join tables then dropping a column will
> fail on a dependency check, even though the column being dropped is
> not used at all in the view.
FYI, I've fixed this in CVS tip. Thanks for the report!
regards, tom lane