test_metadata.py 文件源码

def test_cql_compatibility(self):
        if CASS_SERVER_VERSION >= (3, 0):
            raise unittest.SkipTest("cql compatibility does not apply Cassandra 3.0+")

        # having more than one non-PK column is okay if there aren't any
        # clustering columns
        create_statement = self.make_create_statement(["a"], [], ["b", "c", "d"], compact=True)
        self.session.execute(create_statement)
        tablemeta = self.get_table_metadata()

        self.assertEqual([u'a'], [c.name for c in tablemeta.partition_key])
        self.assertEqual([], tablemeta.clustering_key)
        self.assertEqual([u'a', u'b', u'c', u'd'], sorted(tablemeta.columns.keys()))

        self.assertTrue(tablemeta.is_cql_compatible)

        # ... but if there are clustering columns, it's not CQL compatible.
        # This is a hacky way to simulate having clustering columns.
        tablemeta.clustering_key = ["foo", "bar"]
        tablemeta.columns["foo"] = None
        tablemeta.columns["bar"] = None
        self.assertFalse(tablemeta.is_cql_compatible)