def test_nullable_non_nullable_field(): t = ibis.table([('a', dt.String(nullable=False))]) assert nullable(t.a.type()) == ()
def test_nullable(): t = ibis.table([('a', 'int64')]) assert nullable(t.a.type()) == (type(None), )
def test_nullable(): t = ibis.table([('a', 'int64')]) assert nullable(t.a.type()) == (type(None),)