Maximilian Tyrtania <maximilian.tyrtania@byte-employer.de> writes:
> Quite often i find myself reluctant to nest views, because of the
> maintenance issues this usually involves. As you know, you can't easily
> alter the "lower level" views, because the higher level ones depend on them.
> So, to add a field to a lower level view one has to:
> drop view vw_lowlevel CASCADE;
As of 8.4 you can add a column via CREATE OR REPLACE VIEW without that.
regards, tom lane
