Re: ALTER TYPE ... USING(NULL) / NOT NULL violation

"Alexander M. Pravking" <fduch@antar.bryansk.ru> writes:
> If a column type is being changed with USING (NULL) clause,
> NOT NULL constraint seems not to be checked:

Hm, the code seems to have provisions to check "SET NOT NULL", but
it fails to check pre-existing NOT NULL attributes :-(

            regards, tom lane