# Copyright DataStax, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import unittest from collections import namedtuple from functools import partial from cassandra import InvalidRequest from cassandra.cluster import UserTypeDoesNotExist, ExecutionProfile, EXEC_PROFILE_DEFAULT from cassandra.query import dict_factory from cassandra.util import OrderedMap from tests.integration import use_singledc, execute_until_pass, \ BasicSegregatedKeyspaceUnitTestCase, greaterthancass20, lessthancass30, greaterthanorequalcass36, TestCluster from tests.integration.datatype_utils import update_datatypes, PRIMITIVE_DATATYPES, PRIMITIVE_DATATYPES_KEYS, \ COLLECTION_TYPES, get_sample, get_collection_sample nested_collection_udt = namedtuple('nested_collection_udt', ['m', 't', 'l', 's']) nested_collection_udt_nested = namedtuple('nested_collection_udt_nested', ['m', 't', 'l', 's', 'u']) def setup_module(): use_singledc() update_datatypes() @greaterthancass20 class UDTTests(BasicSegregatedKeyspaceUnitTestCase): @property def table_name(self): return self._testMethodName.lower() def setUp(self): super(UDTTests, self).setUp() self.session.set_keyspace(self.keyspace_name) @greaterthanorequalcass36 def test_non_frozen_udts(self): """ Test to ensure that non frozen udt's work with C* >3.6. @since 3.7.0 @jira_ticket PYTHON-498 @expected_result Non frozen UDT's are supported @test_category data_types, udt """ self.session.execute("USE {0}".format(self.keyspace_name)) self.session.execute("CREATE TYPE user (state text, has_corn boolean)") self.session.execute("CREATE TABLE {0} (a int PRIMARY KEY, b user)".format(self.function_table_name)) User = namedtuple('user', ('state', 'has_corn')) self.cluster.register_user_type(self.keyspace_name, "user", User) self.session.execute("INSERT INTO {0} (a, b) VALUES (%s, %s)".format(self.function_table_name), (0, User("Nebraska", True))) self.session.execute("UPDATE {0} SET b.has_corn = False where a = 0".format(self.function_table_name)) result = self.session.execute("SELECT * FROM {0}".format(self.function_table_name)) self.assertFalse(result[0].b.has_corn) table_sql = self.cluster.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].as_cql_query() self.assertNotIn("", table_sql) def test_can_insert_unprepared_registered_udts(self): """ Test the insertion of unprepared, registered UDTs """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) s.execute("CREATE TYPE user (age int, name text)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") User = namedtuple('user', ('age', 'name')) c.register_user_type(self.keyspace_name, "user", User) s.execute("INSERT INTO mytable (a, b) VALUES (%s, %s)", (0, User(42, 'bob'))) result = s.execute("SELECT b FROM mytable WHERE a=0") row = result[0] self.assertEqual(42, row.b.age) self.assertEqual('bob', row.b.name) self.assertTrue(type(row.b) is User) # use the same UDT name in a different keyspace s.execute(""" CREATE KEYSPACE udt_test_unprepared_registered2 WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' } """) s.set_keyspace("udt_test_unprepared_registered2") s.execute("CREATE TYPE user (state text, is_cool boolean)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") User = namedtuple('user', ('state', 'is_cool')) c.register_user_type("udt_test_unprepared_registered2", "user", User) s.execute("INSERT INTO mytable (a, b) VALUES (%s, %s)", (0, User('Texas', True))) result = s.execute("SELECT b FROM mytable WHERE a=0") row = result[0] self.assertEqual('Texas', row.b.state) self.assertEqual(True, row.b.is_cool) self.assertTrue(type(row.b) is User) s.execute("DROP KEYSPACE udt_test_unprepared_registered2") c.shutdown() def test_can_register_udt_before_connecting(self): """ Test the registration of UDTs before session creation """ c = TestCluster() s = c.connect(wait_for_all_pools=True) s.execute(""" CREATE KEYSPACE udt_test_register_before_connecting WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' } """) s.set_keyspace("udt_test_register_before_connecting") s.execute("CREATE TYPE user (age int, name text)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") s.execute(""" CREATE KEYSPACE udt_test_register_before_connecting2 WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' } """) s.set_keyspace("udt_test_register_before_connecting2") s.execute("CREATE TYPE user (state text, is_cool boolean)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") # now that types are defined, shutdown and re-create Cluster c.shutdown() c = TestCluster() User1 = namedtuple('user', ('age', 'name')) User2 = namedtuple('user', ('state', 'is_cool')) c.register_user_type("udt_test_register_before_connecting", "user", User1) c.register_user_type("udt_test_register_before_connecting2", "user", User2) s = c.connect(wait_for_all_pools=True) s.set_keyspace("udt_test_register_before_connecting") s.execute("INSERT INTO mytable (a, b) VALUES (%s, %s)", (0, User1(42, 'bob'))) result = s.execute("SELECT b FROM mytable WHERE a=0") row = result[0] self.assertEqual(42, row.b.age) self.assertEqual('bob', row.b.name) self.assertTrue(type(row.b) is User1) # use the same UDT name in a different keyspace s.set_keyspace("udt_test_register_before_connecting2") s.execute("INSERT INTO mytable (a, b) VALUES (%s, %s)", (0, User2('Texas', True))) result = s.execute("SELECT b FROM mytable WHERE a=0") row = result[0] self.assertEqual('Texas', row.b.state) self.assertEqual(True, row.b.is_cool) self.assertTrue(type(row.b) is User2) s.execute("DROP KEYSPACE udt_test_register_before_connecting") s.execute("DROP KEYSPACE udt_test_register_before_connecting2") c.shutdown() def test_can_insert_prepared_unregistered_udts(self): """ Test the insertion of prepared, unregistered UDTs """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) s.execute("CREATE TYPE user (age int, name text)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") User = namedtuple('user', ('age', 'name')) insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, User(42, 'bob'))) select = s.prepare("SELECT b FROM mytable WHERE a=?") result = s.execute(select, (0,)) row = result[0] self.assertEqual(42, row.b.age) self.assertEqual('bob', row.b.name) # use the same UDT name in a different keyspace s.execute(""" CREATE KEYSPACE udt_test_prepared_unregistered2 WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' } """) s.set_keyspace("udt_test_prepared_unregistered2") s.execute("CREATE TYPE user (state text, is_cool boolean)") s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") User = namedtuple('user', ('state', 'is_cool')) insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, User('Texas', True))) select = s.prepare("SELECT b FROM mytable WHERE a=?") result = s.execute(select, (0,)) row = result[0] self.assertEqual('Texas', row.b.state) self.assertEqual(True, row.b.is_cool) s.execute("DROP KEYSPACE udt_test_prepared_unregistered2") c.shutdown() def test_can_insert_prepared_registered_udts(self): """ Test the insertion of prepared, registered UDTs """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) s.execute("CREATE TYPE user (age int, name text)") User = namedtuple('user', ('age', 'name')) c.register_user_type(self.keyspace_name, "user", User) s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, User(42, 'bob'))) select = s.prepare("SELECT b FROM mytable WHERE a=?") result = s.execute(select, (0,)) row = result[0] self.assertEqual(42, row.b.age) self.assertEqual('bob', row.b.name) self.assertTrue(type(row.b) is User) # use the same UDT name in a different keyspace s.execute(""" CREATE KEYSPACE udt_test_prepared_registered2 WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' } """) s.set_keyspace("udt_test_prepared_registered2") s.execute("CREATE TYPE user (state text, is_cool boolean)") User = namedtuple('user', ('state', 'is_cool')) c.register_user_type("udt_test_prepared_registered2", "user", User) s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, User('Texas', True))) select = s.prepare("SELECT b FROM mytable WHERE a=?") result = s.execute(select, (0,)) row = result[0] self.assertEqual('Texas', row.b.state) self.assertEqual(True, row.b.is_cool) self.assertTrue(type(row.b) is User) s.execute("DROP KEYSPACE udt_test_prepared_registered2") c.shutdown() def test_can_insert_udts_with_nulls(self): """ Test the insertion of UDTs with null and empty string fields """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) s.execute("CREATE TYPE user (a text, b int, c uuid, d blob)") User = namedtuple('user', ('a', 'b', 'c', 'd')) c.register_user_type(self.keyspace_name, "user", User) s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") insert = s.prepare("INSERT INTO mytable (a, b) VALUES (0, ?)") s.execute(insert, [User(None, None, None, None)]) results = s.execute("SELECT b FROM mytable WHERE a=0") self.assertEqual((None, None, None, None), results[0].b) select = s.prepare("SELECT b FROM mytable WHERE a=0") self.assertEqual((None, None, None, None), s.execute(select)[0].b) # also test empty strings s.execute(insert, [User('', None, None, bytes())]) results = s.execute("SELECT b FROM mytable WHERE a=0") self.assertEqual(('', None, None, bytes()), results[0].b) c.shutdown() def test_can_insert_udts_with_varying_lengths(self): """ Test for ensuring extra-lengthy udts are properly inserted """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) max_test_length = 254 # create the seed udt, increase timeout to avoid the query failure on slow systems s.execute("CREATE TYPE lengthy_udt ({0})" .format(', '.join(['v_{0} int'.format(i) for i in range(max_test_length)]))) # create a table with multiple sizes of nested udts # no need for all nested types, only a spot checked few and the largest one s.execute("CREATE TABLE mytable (" "k int PRIMARY KEY, " "v frozen)") # create and register the seed udt type udt = namedtuple('lengthy_udt', tuple(['v_{0}'.format(i) for i in range(max_test_length)])) c.register_user_type(self.keyspace_name, "lengthy_udt", udt) # verify inserts and reads for i in (0, 1, 2, 3, max_test_length): # create udt params = [j for j in range(i)] + [None for j in range(max_test_length - i)] created_udt = udt(*params) # write udt s.execute("INSERT INTO mytable (k, v) VALUES (0, %s)", (created_udt,)) # verify udt was written and read correctly, increase timeout to avoid the query failure on slow systems result = s.execute("SELECT v FROM mytable WHERE k=0")[0] self.assertEqual(created_udt, result.v) c.shutdown() def nested_udt_schema_helper(self, session, max_nesting_depth): # create the seed udt execute_until_pass(session, "CREATE TYPE depth_0 (age int, name text)") # create the nested udts for i in range(max_nesting_depth): execute_until_pass(session, "CREATE TYPE depth_{0} (value frozen)".format(i + 1, i)) # create a table with multiple sizes of nested udts # no need for all nested types, only a spot checked few and the largest one execute_until_pass(session, "CREATE TABLE mytable (" "k int PRIMARY KEY, " "v_0 frozen, " "v_1 frozen, " "v_2 frozen, " "v_3 frozen, " "v_{0} frozen)".format(max_nesting_depth)) def nested_udt_creation_helper(self, udts, i): if i == 0: return udts[0](42, 'Bob') else: return udts[i](self.nested_udt_creation_helper(udts, i - 1)) def nested_udt_verification_helper(self, session, max_nesting_depth, udts): for i in (0, 1, 2, 3, max_nesting_depth): # create udt udt = self.nested_udt_creation_helper(udts, i) # write udt via simple statement session.execute("INSERT INTO mytable (k, v_%s) VALUES (0, %s)", [i, udt]) # verify udt was written and read correctly result = session.execute("SELECT v_{0} FROM mytable WHERE k=0".format(i))[0] self.assertEqual(udt, result["v_{0}".format(i)]) # write udt via prepared statement insert = session.prepare("INSERT INTO mytable (k, v_{0}) VALUES (1, ?)".format(i)) session.execute(insert, [udt]) # verify udt was written and read correctly result = session.execute("SELECT v_{0} FROM mytable WHERE k=1".format(i))[0] self.assertEqual(udt, result["v_{0}".format(i)]) def _cluster_default_dict_factory(self): return TestCluster( execution_profiles={EXEC_PROFILE_DEFAULT: ExecutionProfile(row_factory=dict_factory)} ) def test_can_insert_nested_registered_udts(self): """ Test for ensuring nested registered udts are properly inserted """ with self._cluster_default_dict_factory() as c: s = c.connect(self.keyspace_name, wait_for_all_pools=True) max_nesting_depth = 16 # create the schema self.nested_udt_schema_helper(s, max_nesting_depth) # create and register the seed udt type udts = [] udt = namedtuple('depth_0', ('age', 'name')) udts.append(udt) c.register_user_type(self.keyspace_name, "depth_0", udts[0]) # create and register the nested udt types for i in range(max_nesting_depth): udt = namedtuple('depth_{0}'.format(i + 1), ('value')) udts.append(udt) c.register_user_type(self.keyspace_name, "depth_{0}".format(i + 1), udts[i + 1]) # insert udts and verify inserts with reads self.nested_udt_verification_helper(s, max_nesting_depth, udts) def test_can_insert_nested_unregistered_udts(self): """ Test for ensuring nested unregistered udts are properly inserted """ with self._cluster_default_dict_factory() as c: s = c.connect(self.keyspace_name, wait_for_all_pools=True) max_nesting_depth = 16 # create the schema self.nested_udt_schema_helper(s, max_nesting_depth) # create the seed udt type udts = [] udt = namedtuple('depth_0', ('age', 'name')) udts.append(udt) # create the nested udt types for i in range(max_nesting_depth): udt = namedtuple('depth_{0}'.format(i + 1), ('value')) udts.append(udt) # insert udts via prepared statements and verify inserts with reads for i in (0, 1, 2, 3, max_nesting_depth): # create udt udt = self.nested_udt_creation_helper(udts, i) # write udt insert = s.prepare("INSERT INTO mytable (k, v_{0}) VALUES (0, ?)".format(i)) s.execute(insert, [udt]) # verify udt was written and read correctly result = s.execute("SELECT v_{0} FROM mytable WHERE k=0".format(i))[0] self.assertEqual(udt, result["v_{0}".format(i)]) def test_can_insert_nested_registered_udts_with_different_namedtuples(self): """ Test for ensuring nested udts are inserted correctly when the created namedtuples are use names that are different the cql type. """ with self._cluster_default_dict_factory() as c: s = c.connect(self.keyspace_name, wait_for_all_pools=True) max_nesting_depth = 16 # create the schema self.nested_udt_schema_helper(s, max_nesting_depth) # create and register the seed udt type udts = [] udt = namedtuple('level_0', ('age', 'name')) udts.append(udt) c.register_user_type(self.keyspace_name, "depth_0", udts[0]) # create and register the nested udt types for i in range(max_nesting_depth): udt = namedtuple('level_{0}'.format(i + 1), ('value')) udts.append(udt) c.register_user_type(self.keyspace_name, "depth_{0}".format(i + 1), udts[i + 1]) # insert udts and verify inserts with reads self.nested_udt_verification_helper(s, max_nesting_depth, udts) def test_raise_error_on_nonexisting_udts(self): """ Test for ensuring that an error is raised for operating on a nonexisting udt or an invalid keyspace """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) User = namedtuple('user', ('age', 'name')) with self.assertRaises(UserTypeDoesNotExist): c.register_user_type("some_bad_keyspace", "user", User) with self.assertRaises(UserTypeDoesNotExist): c.register_user_type("system", "user", User) with self.assertRaises(InvalidRequest): s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") c.shutdown() def test_can_insert_udt_all_datatypes(self): """ Test for inserting various types of PRIMITIVE_DATATYPES into UDT's """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) # create UDT alpha_type_list = [] start_index = ord('a') for i, datatype in enumerate(PRIMITIVE_DATATYPES): alpha_type_list.append("{0} {1}".format(chr(start_index + i), datatype)) s.execute(""" CREATE TYPE alldatatypes ({0}) """.format(', '.join(alpha_type_list)) ) s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") # register UDT alphabet_list = [] for i in range(ord('a'), ord('a') + len(PRIMITIVE_DATATYPES)): alphabet_list.append('{0}'.format(chr(i))) Alldatatypes = namedtuple("alldatatypes", alphabet_list) c.register_user_type(self.keyspace_name, "alldatatypes", Alldatatypes) # insert UDT data params = [] for datatype in PRIMITIVE_DATATYPES: params.append((get_sample(datatype))) insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, Alldatatypes(*params))) # retrieve and verify data results = s.execute("SELECT * FROM mytable") row = results[0].b for expected, actual in zip(params, row): self.assertEqual(expected, actual) c.shutdown() def test_can_insert_udt_all_collection_datatypes(self): """ Test for inserting various types of COLLECTION_TYPES into UDT's """ c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) # create UDT alpha_type_list = [] start_index = ord('a') for i, collection_type in enumerate(COLLECTION_TYPES): for j, datatype in enumerate(PRIMITIVE_DATATYPES_KEYS): if collection_type == "map": type_string = "{0}_{1} {2}<{3}, {3}>".format(chr(start_index + i), chr(start_index + j), collection_type, datatype) elif collection_type == "tuple": type_string = "{0}_{1} frozen<{2}<{3}>>".format(chr(start_index + i), chr(start_index + j), collection_type, datatype) else: type_string = "{0}_{1} {2}<{3}>".format(chr(start_index + i), chr(start_index + j), collection_type, datatype) alpha_type_list.append(type_string) s.execute(""" CREATE TYPE alldatatypes ({0}) """.format(', '.join(alpha_type_list)) ) s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen)") # register UDT alphabet_list = [] for i in range(ord('a'), ord('a') + len(COLLECTION_TYPES)): for j in range(ord('a'), ord('a') + len(PRIMITIVE_DATATYPES_KEYS)): alphabet_list.append('{0}_{1}'.format(chr(i), chr(j))) Alldatatypes = namedtuple("alldatatypes", alphabet_list) c.register_user_type(self.keyspace_name, "alldatatypes", Alldatatypes) # insert UDT data params = [] for collection_type in COLLECTION_TYPES: for datatype in PRIMITIVE_DATATYPES_KEYS: params.append((get_collection_sample(collection_type, datatype))) insert = s.prepare("INSERT INTO mytable (a, b) VALUES (?, ?)") s.execute(insert, (0, Alldatatypes(*params))) # retrieve and verify data results = s.execute("SELECT * FROM mytable") row = results[0].b for expected, actual in zip(params, row): self.assertEqual(expected, actual) c.shutdown() def insert_select_column(self, session, table_name, column_name, value): insert = session.prepare("INSERT INTO %s (k, %s) VALUES (?, ?)" % (table_name, column_name)) session.execute(insert, (0, value)) result = session.execute("SELECT %s FROM %s WHERE k=%%s" % (column_name, table_name), (0,))[0][0] self.assertEqual(result, value) def test_can_insert_nested_collections(self): """ Test for inserting various types of nested COLLECTION_TYPES into tables and UDTs """ if self.cass_version < (2, 1, 3): raise unittest.SkipTest("Support for nested collections was introduced in Cassandra 2.1.3") c = TestCluster() s = c.connect(self.keyspace_name, wait_for_all_pools=True) s.encoder.mapping[tuple] = s.encoder.cql_encode_tuple name = self._testMethodName s.execute(""" CREATE TYPE %s ( m frozen>, t tuple, l frozen>, s frozen> )""" % name) s.execute(""" CREATE TYPE %s_nested ( m frozen>, t tuple, l frozen>, s frozen>, u frozen<%s> )""" % (name, name)) s.execute(""" CREATE TABLE %s ( k int PRIMARY KEY, map_map map>, frozen>>, map_set map>, frozen>>, map_list map>, frozen>>, map_tuple map>, frozen>>, map_udt map, frozen<%s>>, )""" % (name, name, name)) validate = partial(self.insert_select_column, s, name) validate('map_map', OrderedMap([({1: 1, 2: 2}, {3: 3, 4: 4}), ({5: 5, 6: 6}, {7: 7, 8: 8})])) validate('map_set', OrderedMap([(set((1, 2)), set((3, 4))), (set((5, 6)), set((7, 8)))])) validate('map_list', OrderedMap([([1, 2], [3, 4]), ([5, 6], [7, 8])])) validate('map_tuple', OrderedMap([((1, 2), (3,)), ((4, 5), (6,))])) value = nested_collection_udt({1: 'v1', 2: 'v2'}, (3, 'v3'), [4, 5, 6, 7], set((8, 9, 10))) key = nested_collection_udt_nested(value.m, value.t, value.l, value.s, value) key2 = nested_collection_udt_nested({3: 'v3'}, value.t, value.l, value.s, value) validate('map_udt', OrderedMap([(key, value), (key2, value)])) c.shutdown() def test_non_alphanum_identifiers(self): """ PYTHON-413 """ s = self.session non_alphanum_name = 'test.field@#$%@%#!' type_name = 'type2' s.execute('CREATE TYPE "%s" ("%s" text)' % (non_alphanum_name, non_alphanum_name)) s.execute('CREATE TYPE %s ("%s" text)' % (type_name, non_alphanum_name)) # table with types as map keys to make sure the tuple lookup works s.execute('CREATE TABLE %s (k int PRIMARY KEY, non_alphanum_type_map map, int>, alphanum_type_map map, int>)' % (self.table_name, non_alphanum_name, type_name)) s.execute('INSERT INTO %s (k, non_alphanum_type_map, alphanum_type_map) VALUES (%s, {{"%s": \'nonalphanum\'}: 0}, {{"%s": \'alphanum\'}: 1})' % (self.table_name, 0, non_alphanum_name, non_alphanum_name)) row = s.execute('SELECT * FROM %s' % (self.table_name,))[0] k, v = row.non_alphanum_type_map.popitem() self.assertEqual(v, 0) self.assertEqual(k.__class__, tuple) self.assertEqual(k[0], 'nonalphanum') k, v = row.alphanum_type_map.popitem() self.assertEqual(v, 1) self.assertNotEqual(k.__class__, tuple) # should be the namedtuple type self.assertEqual(k[0], 'alphanum') self.assertEqual(k.field_0_, 'alphanum') # named tuple with positional field name @lessthancass30 def test_type_alteration(self): """ Support for ALTER TYPE was removed in CASSANDRA-12443 """ s = self.session type_name = "type_name" self.assertNotIn(type_name, s.cluster.metadata.keyspaces['udttests'].user_types) s.execute('CREATE TYPE %s (v0 int)' % (type_name,)) self.assertIn(type_name, s.cluster.metadata.keyspaces['udttests'].user_types) s.execute('CREATE TABLE %s (k int PRIMARY KEY, v frozen<%s>)' % (self.table_name, type_name)) s.execute('INSERT INTO %s (k, v) VALUES (0, {v0 : 1})' % (self.table_name,)) s.cluster.register_user_type('udttests', type_name, dict) val = s.execute('SELECT v FROM %s' % self.table_name)[0][0] self.assertEqual(val['v0'], 1) # add field s.execute('ALTER TYPE %s ADD v1 text' % (type_name,)) val = s.execute('SELECT v FROM %s' % self.table_name)[0][0] self.assertEqual(val['v0'], 1) self.assertIsNone(val['v1']) s.execute("INSERT INTO %s (k, v) VALUES (0, {v0 : 2, v1 : 'sometext'})" % (self.table_name,)) val = s.execute('SELECT v FROM %s' % self.table_name)[0][0] self.assertEqual(val['v0'], 2) self.assertEqual(val['v1'], 'sometext') # alter field type s.execute('ALTER TYPE %s ALTER v1 TYPE blob' % (type_name,)) s.execute("INSERT INTO %s (k, v) VALUES (0, {v0 : 3, v1 : 0xdeadbeef})" % (self.table_name,)) val = s.execute('SELECT v FROM %s' % self.table_name)[0][0] self.assertEqual(val['v0'], 3) self.assertEqual(val['v1'], b'\xde\xad\xbe\xef') @lessthancass30 def test_alter_udt(self): """ Test to ensure that altered UDT's are properly surfaced without needing to restart the underlying session. @since 3.0.0 @jira_ticket PYTHON-226 @expected_result UDT's will reflect added columns without a session restart. @test_category data_types, udt """ # Create udt ensure it has the proper column names. self.session.set_keyspace(self.keyspace_name) self.session.execute("CREATE TYPE typetoalter (a int)") typetoalter = namedtuple('typetoalter', ('a')) self.session.execute("CREATE TABLE {0} (pk int primary key, typetoalter frozen)".format(self.function_table_name)) insert_statement = self.session.prepare("INSERT INTO {0} (pk, typetoalter) VALUES (?, ?)".format(self.function_table_name)) self.session.execute(insert_statement, [1, typetoalter(1)]) results = self.session.execute("SELECT * from {0}".format(self.function_table_name)) for result in results: self.assertTrue(hasattr(result.typetoalter, 'a')) self.assertFalse(hasattr(result.typetoalter, 'b')) # Alter UDT and ensure the alter is honored in results self.session.execute("ALTER TYPE typetoalter add b int") typetoalter = namedtuple('typetoalter', ('a', 'b')) self.session.execute(insert_statement, [2, typetoalter(2, 2)]) results = self.session.execute("SELECT * from {0}".format(self.function_table_name)) for result in results: self.assertTrue(hasattr(result.typetoalter, 'a')) self.assertTrue(hasattr(result.typetoalter, 'b'))