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test_metadata.py
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test_metadata.py
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# 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.
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from collections import defaultdict
import difflib
import logging
import six
import sys
import time
import os
from packaging.version import Version
from mock import Mock, patch
from cassandra import AlreadyExists, SignatureDescriptor, UserFunctionDescriptor, UserAggregateDescriptor
from cassandra.encoder import Encoder
from cassandra.metadata import (IndexMetadata, Token, murmur3, Function, Aggregate, protect_name, protect_names,
RegisteredTableExtension, _RegisteredExtensionType, get_schema_parser,
group_keys_by_replica, NO_VALID_REPLICA)
from cassandra.util import SortedSet
from tests.integration import (get_cluster, use_singledc, PROTOCOL_VERSION, execute_until_pass,
BasicSegregatedKeyspaceUnitTestCase, BasicSharedKeyspaceUnitTestCase,
BasicExistingKeyspaceUnitTestCase, drop_keyspace_shutdown_cluster, CASSANDRA_VERSION,
greaterthanorequaldse51, greaterthanorequalcass30, lessthancass30, local,
get_supported_protocol_versions, greaterthancass20,
greaterthancass21, assert_startswith, greaterthanorequalcass40,
greaterthanorequaldse67, lessthancass40,
TestCluster, DSE_VERSION)
log = logging.getLogger(__name__)
def setup_module():
use_singledc()
class HostMetaDataTests(BasicExistingKeyspaceUnitTestCase):
@local
def test_host_addresses(self):
"""
Check to ensure that the broadcast_address, broadcast_rpc_address,
listen adresss, ports and host are is populated correctly.
@since 3.3
@jira_ticket PYTHON-332
@expected_result They are populated for C*> 2.1.6, 2.2.0
@test_category metadata
"""
# All nodes should have the broadcast_address, rpc_address and host_id set
for host in self.cluster.metadata.all_hosts():
self.assertIsNotNone(host.broadcast_address)
self.assertIsNotNone(host.broadcast_rpc_address)
self.assertIsNotNone(host.host_id)
if not DSE_VERSION and CASSANDRA_VERSION >= Version('4-a'):
self.assertIsNotNone(host.broadcast_port)
self.assertIsNotNone(host.broadcast_rpc_port)
con = self.cluster.control_connection.get_connections()[0]
local_host = con.host
# The control connection node should have the listen address set.
listen_addrs = [host.listen_address for host in self.cluster.metadata.all_hosts()]
self.assertTrue(local_host in listen_addrs)
# The control connection node should have the broadcast_rpc_address set.
rpc_addrs = [host.broadcast_rpc_address for host in self.cluster.metadata.all_hosts()]
self.assertTrue(local_host in rpc_addrs)
@unittest.skipUnless(
os.getenv('MAPPED_CASSANDRA_VERSION', None) is not None,
"Don't check the host version for test-dse")
def test_host_release_version(self):
"""
Checks the hosts release version and validates that it is equal to the
Cassandra version we are using in our test harness.
@since 3.3
@jira_ticket PYTHON-301
@expected_result host.release version should match our specified Cassandra version.
@test_category metadata
"""
for host in self.cluster.metadata.all_hosts():
assert_startswith(host.release_version, CASSANDRA_VERSION.base_version)
@local
class MetaDataRemovalTest(unittest.TestCase):
def setUp(self):
self.cluster = TestCluster(contact_points=['127.0.0.1', '127.0.0.2', '127.0.0.3', '126.0.0.186'])
self.cluster.connect()
def tearDown(self):
self.cluster.shutdown()
def test_bad_contact_point(self):
"""
Checks to ensure that hosts that are not resolvable are excluded from the contact point list.
@since 3.6
@jira_ticket PYTHON-549
@expected_result Invalid hosts on the contact list should be excluded
@test_category metadata
"""
self.assertEqual(len(self.cluster.metadata.all_hosts()), 3)
class SchemaMetadataTests(BasicSegregatedKeyspaceUnitTestCase):
def test_schema_metadata_disable(self):
"""
Checks to ensure that schema metadata_enabled, and token_metadata_enabled
flags work correctly.
@since 3.3
@jira_ticket PYTHON-327
@expected_result schema metadata will not be populated when schema_metadata_enabled is fause
token_metadata will be missing when token_metadata is set to false
@test_category metadata
"""
# Validate metadata is missing where appropriate
no_schema = TestCluster(schema_metadata_enabled=False)
no_schema_session = no_schema.connect()
self.assertEqual(len(no_schema.metadata.keyspaces), 0)
self.assertEqual(no_schema.metadata.export_schema_as_string(), '')
no_token = TestCluster(token_metadata_enabled=False)
no_token_session = no_token.connect()
self.assertEqual(len(no_token.metadata.token_map.token_to_host_owner), 0)
# Do a simple query to ensure queries are working
query = "SELECT * FROM system.local"
no_schema_rs = no_schema_session.execute(query)
no_token_rs = no_token_session.execute(query)
self.assertIsNotNone(no_schema_rs[0])
self.assertIsNotNone(no_token_rs[0])
no_schema.shutdown()
no_token.shutdown()
def make_create_statement(self, partition_cols, clustering_cols=None, other_cols=None):
clustering_cols = clustering_cols or []
other_cols = other_cols or []
statement = "CREATE TABLE %s.%s (" % (self.keyspace_name, self.function_table_name)
if len(partition_cols) == 1 and not clustering_cols:
statement += "%s text PRIMARY KEY, " % protect_name(partition_cols[0])
else:
statement += ", ".join("%s text" % protect_name(col) for col in partition_cols)
statement += ", "
statement += ", ".join("%s text" % protect_name(col) for col in clustering_cols + other_cols)
if len(partition_cols) != 1 or clustering_cols:
statement += ", PRIMARY KEY ("
if len(partition_cols) > 1:
statement += "(" + ", ".join(protect_names(partition_cols)) + ")"
else:
statement += protect_name(partition_cols[0])
if clustering_cols:
statement += ", "
statement += ", ".join(protect_names(clustering_cols))
statement += ")"
statement += ")"
return statement
def check_create_statement(self, tablemeta, original):
recreate = tablemeta.as_cql_query(formatted=False)
self.assertEqual(original, recreate[:len(original)])
execute_until_pass(self.session, "DROP TABLE {0}.{1}".format(self.keyspace_name, self.function_table_name))
execute_until_pass(self.session, recreate)
# create the table again, but with formatting enabled
execute_until_pass(self.session, "DROP TABLE {0}.{1}".format(self.keyspace_name, self.function_table_name))
recreate = tablemeta.as_cql_query(formatted=True)
execute_until_pass(self.session, recreate)
def get_table_metadata(self):
self.cluster.refresh_table_metadata(self.keyspace_name, self.function_table_name)
return self.cluster.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name]
def test_basic_table_meta_properties(self):
create_statement = self.make_create_statement(["a"], [], ["b", "c"])
self.session.execute(create_statement)
self.cluster.refresh_schema_metadata()
meta = self.cluster.metadata
self.assertNotEqual(meta.cluster_name, None)
self.assertTrue(self.keyspace_name in meta.keyspaces)
ksmeta = meta.keyspaces[self.keyspace_name]
self.assertEqual(ksmeta.name, self.keyspace_name)
self.assertTrue(ksmeta.durable_writes)
self.assertEqual(ksmeta.replication_strategy.name, 'SimpleStrategy')
self.assertEqual(ksmeta.replication_strategy.replication_factor, 1)
self.assertTrue(self.function_table_name in ksmeta.tables)
tablemeta = ksmeta.tables[self.function_table_name]
self.assertEqual(tablemeta.keyspace_name, ksmeta.name)
self.assertEqual(tablemeta.name, self.function_table_name)
self.assertEqual(tablemeta.name, self.function_table_name)
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'], sorted(tablemeta.columns.keys()))
cc = self.cluster.control_connection._connection
parser = get_schema_parser(
cc,
self.cluster.metadata.get_host(cc.host).release_version,
self.cluster.metadata.get_host(cc.host).dse_version,
1
)
for option in tablemeta.options:
self.assertIn(option, parser.recognized_table_options)
self.check_create_statement(tablemeta, create_statement)
def test_compound_primary_keys(self):
create_statement = self.make_create_statement(["a"], ["b"], ["c"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'b'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'a', u'b', u'c'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_compound_primary_keys_protected(self):
create_statement = self.make_create_statement(["Aa"], ["Bb"], ["Cc"])
create_statement += ' WITH CLUSTERING ORDER BY ("Bb" ASC)'
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'Aa'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'Bb'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'Aa', u'Bb', u'Cc'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_compound_primary_keys_more_columns(self):
create_statement = self.make_create_statement(["a"], ["b", "c"], ["d", "e", "f"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC, c ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'b', u'c'], [c.name for c in tablemeta.clustering_key])
self.assertEqual(
[u'a', u'b', u'c', u'd', u'e', u'f'],
sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_composite_primary_key(self):
create_statement = self.make_create_statement(["a", "b"], [], ["c"])
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a', u'b'], [c.name for c in tablemeta.partition_key])
self.assertEqual([], tablemeta.clustering_key)
self.assertEqual([u'a', u'b', u'c'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_composite_in_compound_primary_key(self):
create_statement = self.make_create_statement(["a", "b"], ["c"], ["d", "e"])
create_statement += " WITH CLUSTERING ORDER BY (c ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a', u'b'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'c'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'a', u'b', u'c', u'd', u'e'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_compound_primary_keys_compact(self):
create_statement = self.make_create_statement(["a"], ["b"], ["c"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'b'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'a', u'b', u'c'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_cluster_column_ordering_reversed_metadata(self):
"""
Simple test to ensure that the metatdata associated with cluster ordering is surfaced is surfaced correctly.
Creates a table with a few clustering keys. Then checks the clustering order associated with clustering columns
and ensure it's set correctly.
@since 3.0.0
@jira_ticket PYTHON-402
@expected_result is_reversed is set on DESC order, and is False on ASC
@test_category metadata
"""
create_statement = self.make_create_statement(["a"], ["b", "c"], ["d"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC, c DESC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
b_column = tablemeta.columns['b']
self.assertFalse(b_column.is_reversed)
c_column = tablemeta.columns['c']
self.assertTrue(c_column.is_reversed)
def test_compound_primary_keys_more_columns_compact(self):
create_statement = self.make_create_statement(["a"], ["b", "c"], ["d"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC, c ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'b', u'c'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'a', u'b', u'c', u'd'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_composite_primary_key_compact(self):
create_statement = self.make_create_statement(["a", "b"], [], ["c"])
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a', u'b'], [c.name for c in tablemeta.partition_key])
self.assertEqual([], tablemeta.clustering_key)
self.assertEqual([u'a', u'b', u'c'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
def test_composite_in_compound_primary_key_compact(self):
create_statement = self.make_create_statement(["a", "b"], ["c"], ["d"])
create_statement += " WITH CLUSTERING ORDER BY (c ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.assertEqual([u'a', u'b'], [c.name for c in tablemeta.partition_key])
self.assertEqual([u'c'], [c.name for c in tablemeta.clustering_key])
self.assertEqual([u'a', u'b', u'c', u'd'], sorted(tablemeta.columns.keys()))
self.check_create_statement(tablemeta, create_statement)
@lessthancass30
def test_cql_compatibility(self):
# 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"])
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)
# It will be cql compatible after CASSANDRA-10857
# since compact storage is being dropped
tablemeta.clustering_key = ["foo", "bar"]
tablemeta.columns["foo"] = None
tablemeta.columns["bar"] = None
self.assertTrue(tablemeta.is_cql_compatible)
def test_compound_primary_keys_ordering(self):
create_statement = self.make_create_statement(["a"], ["b"], ["c"])
create_statement += " WITH CLUSTERING ORDER BY (b DESC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
def test_compound_primary_keys_more_columns_ordering(self):
create_statement = self.make_create_statement(["a"], ["b", "c"], ["d", "e", "f"])
create_statement += " WITH CLUSTERING ORDER BY (b DESC, c ASC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
def test_composite_in_compound_primary_key_ordering(self):
create_statement = self.make_create_statement(["a", "b"], ["c"], ["d", "e"])
create_statement += " WITH CLUSTERING ORDER BY (c DESC)"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
@lessthancass40
def test_compact_storage(self):
create_statement = self.make_create_statement(["a"], [], ["b"])
create_statement += " WITH COMPACT STORAGE"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
@lessthancass40
def test_dense_compact_storage(self):
create_statement = self.make_create_statement(["a"], ["b"], ["c"])
create_statement += " WITH COMPACT STORAGE"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
def test_counter(self):
create_statement = (
"CREATE TABLE {keyspace}.{table} ("
"key text PRIMARY KEY, a1 counter)"
).format(keyspace=self.keyspace_name, table=self.function_table_name)
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
@lessthancass40
def test_counter_with_compact_storage(self):
""" PYTHON-1100 """
create_statement = (
"CREATE TABLE {keyspace}.{table} ("
"key text PRIMARY KEY, a1 counter) WITH COMPACT STORAGE"
).format(keyspace=self.keyspace_name, table=self.function_table_name)
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
@lessthancass40
def test_counter_with_dense_compact_storage(self):
create_statement = (
"CREATE TABLE {keyspace}.{table} ("
"key text, c1 text, a1 counter, PRIMARY KEY (key, c1)) WITH COMPACT STORAGE"
).format(keyspace=self.keyspace_name, table=self.function_table_name)
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
self.check_create_statement(tablemeta, create_statement)
def test_indexes(self):
create_statement = self.make_create_statement(["a"], ["b", "c"], ["d", "e", "f"])
create_statement += " WITH CLUSTERING ORDER BY (b ASC, c ASC)"
execute_until_pass(self.session, create_statement)
d_index = "CREATE INDEX d_index ON %s.%s (d)" % (self.keyspace_name, self.function_table_name)
e_index = "CREATE INDEX e_index ON %s.%s (e)" % (self.keyspace_name, self.function_table_name)
execute_until_pass(self.session, d_index)
execute_until_pass(self.session, e_index)
tablemeta = self.get_table_metadata()
statements = tablemeta.export_as_string().strip()
statements = [s.strip() for s in statements.split(';')]
statements = list(filter(bool, statements))
self.assertEqual(3, len(statements))
self.assertIn(d_index, statements)
self.assertIn(e_index, statements)
# make sure indexes are included in KeyspaceMetadata.export_as_string()
ksmeta = self.cluster.metadata.keyspaces[self.keyspace_name]
statement = ksmeta.export_as_string()
self.assertIn('CREATE INDEX d_index', statement)
self.assertIn('CREATE INDEX e_index', statement)
@greaterthancass21
def test_collection_indexes(self):
self.session.execute("CREATE TABLE %s.%s (a int PRIMARY KEY, b map<text, text>)"
% (self.keyspace_name, self.function_table_name))
self.session.execute("CREATE INDEX index1 ON %s.%s (keys(b))"
% (self.keyspace_name, self.function_table_name))
tablemeta = self.get_table_metadata()
self.assertIn('(keys(b))', tablemeta.export_as_string())
self.session.execute("DROP INDEX %s.index1" % (self.keyspace_name,))
self.session.execute("CREATE INDEX index2 ON %s.%s (b)"
% (self.keyspace_name, self.function_table_name))
tablemeta = self.get_table_metadata()
target = ' (b)' if CASSANDRA_VERSION < Version("3.0") else 'values(b))' # explicit values in C* 3+
self.assertIn(target, tablemeta.export_as_string())
# test full indexes on frozen collections, if available
if CASSANDRA_VERSION >= Version("2.1.3"):
self.session.execute("DROP TABLE %s.%s" % (self.keyspace_name, self.function_table_name))
self.session.execute("CREATE TABLE %s.%s (a int PRIMARY KEY, b frozen<map<text, text>>)"
% (self.keyspace_name, self.function_table_name))
self.session.execute("CREATE INDEX index3 ON %s.%s (full(b))"
% (self.keyspace_name, self.function_table_name))
tablemeta = self.get_table_metadata()
self.assertIn('(full(b))', tablemeta.export_as_string())
def test_compression_disabled(self):
create_statement = self.make_create_statement(["a"], ["b"], ["c"])
create_statement += " WITH compression = {}"
self.session.execute(create_statement)
tablemeta = self.get_table_metadata()
expected = "compression = {}" if CASSANDRA_VERSION < Version("3.0") else "compression = {'enabled': 'false'}"
self.assertIn(expected, tablemeta.export_as_string())
def test_non_size_tiered_compaction(self):
"""
test options for non-size-tiered compaction strategy
Creates a table with LeveledCompactionStrategy, specifying one non-default option. Verifies that the option is
present in generated CQL, and that other legacy table parameters (min_threshold, max_threshold) are not included.
@since 2.6.0
@jira_ticket PYTHON-352
@expected_result the options map for LeveledCompactionStrategy does not contain min_threshold, max_threshold
@test_category metadata
"""
create_statement = self.make_create_statement(["a"], [], ["b", "c"])
create_statement += "WITH COMPACTION = {'class': 'LeveledCompactionStrategy', 'tombstone_threshold': '0.3'}"
self.session.execute(create_statement)
table_meta = self.get_table_metadata()
cql = table_meta.export_as_string()
self.assertIn("'tombstone_threshold': '0.3'", cql)
self.assertIn("LeveledCompactionStrategy", cql)
# formerly legacy options; reintroduced in 4.0
if CASSANDRA_VERSION < Version('4.0-a'):
self.assertNotIn("min_threshold", cql)
self.assertNotIn("max_threshold", cql)
def test_refresh_schema_metadata(self):
"""
test for synchronously refreshing all cluster metadata
test_refresh_schema_metadata tests all cluster metadata is refreshed when calling refresh_schema_metadata().
It creates a second cluster object with schema_event_refresh_window=-1 such that schema refreshes are disabled
for schema change push events. It then alters the cluster, creating a new keyspace, using the first cluster
object, and verifies that the cluster metadata has not changed in the second cluster object. It then calls
refresh_schema_metadata() and verifies that the cluster metadata is updated in the second cluster object.
Similarly, it then proceeds to altering keyspace, table, UDT, UDF, and UDA metadata and subsequently verfies
that these metadata is updated when refresh_schema_metadata() is called.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result Cluster, keyspace, table, UDT, UDF, and UDA metadata should be refreshed when refresh_schema_metadata() is called.
@test_category metadata
"""
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertNotIn("new_keyspace", cluster2.metadata.keyspaces)
# Cluster metadata modification
self.session.execute("CREATE KEYSPACE new_keyspace WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}")
self.assertNotIn("new_keyspace", cluster2.metadata.keyspaces)
cluster2.refresh_schema_metadata()
self.assertIn("new_keyspace", cluster2.metadata.keyspaces)
# Keyspace metadata modification
self.session.execute("ALTER KEYSPACE {0} WITH durable_writes = false".format(self.keyspace_name))
self.assertTrue(cluster2.metadata.keyspaces[self.keyspace_name].durable_writes)
cluster2.refresh_schema_metadata()
self.assertFalse(cluster2.metadata.keyspaces[self.keyspace_name].durable_writes)
# Table metadata modification
table_name = "test"
self.session.execute("CREATE TABLE {0}.{1} (a int PRIMARY KEY, b text)".format(self.keyspace_name, table_name))
cluster2.refresh_schema_metadata()
self.session.execute("ALTER TABLE {0}.{1} ADD c double".format(self.keyspace_name, table_name))
self.assertNotIn("c", cluster2.metadata.keyspaces[self.keyspace_name].tables[table_name].columns)
cluster2.refresh_schema_metadata()
self.assertIn("c", cluster2.metadata.keyspaces[self.keyspace_name].tables[table_name].columns)
if PROTOCOL_VERSION >= 3:
# UDT metadata modification
self.session.execute("CREATE TYPE {0}.user (age int, name text)".format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].user_types, {})
cluster2.refresh_schema_metadata()
self.assertIn("user", cluster2.metadata.keyspaces[self.keyspace_name].user_types)
if PROTOCOL_VERSION >= 4:
# UDF metadata modification
self.session.execute("""CREATE FUNCTION {0}.sum_int(key int, val int)
RETURNS NULL ON NULL INPUT
RETURNS int
LANGUAGE java AS 'return key+val;';""".format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].functions, {})
cluster2.refresh_schema_metadata()
self.assertIn("sum_int(int,int)", cluster2.metadata.keyspaces[self.keyspace_name].functions)
# UDA metadata modification
self.session.execute("""CREATE AGGREGATE {0}.sum_agg(int)
SFUNC sum_int
STYPE int
INITCOND 0"""
.format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].aggregates, {})
cluster2.refresh_schema_metadata()
self.assertIn("sum_agg(int)", cluster2.metadata.keyspaces[self.keyspace_name].aggregates)
# Cluster metadata modification
self.session.execute("DROP KEYSPACE new_keyspace")
self.assertIn("new_keyspace", cluster2.metadata.keyspaces)
cluster2.refresh_schema_metadata()
self.assertNotIn("new_keyspace", cluster2.metadata.keyspaces)
cluster2.shutdown()
def test_refresh_keyspace_metadata(self):
"""
test for synchronously refreshing keyspace metadata
test_refresh_keyspace_metadata tests that keyspace metadata is refreshed when calling refresh_keyspace_metadata().
It creates a second cluster object with schema_event_refresh_window=-1 such that schema refreshes are disabled
for schema change push events. It then alters the keyspace, disabling durable_writes, using the first cluster
object, and verifies that the keyspace metadata has not changed in the second cluster object. Finally, it calls
refresh_keyspace_metadata() and verifies that the keyspace metadata is updated in the second cluster object.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result Keyspace metadata should be refreshed when refresh_keyspace_metadata() is called.
@test_category metadata
"""
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertTrue(cluster2.metadata.keyspaces[self.keyspace_name].durable_writes)
self.session.execute("ALTER KEYSPACE {0} WITH durable_writes = false".format(self.keyspace_name))
self.assertTrue(cluster2.metadata.keyspaces[self.keyspace_name].durable_writes)
cluster2.refresh_keyspace_metadata(self.keyspace_name)
self.assertFalse(cluster2.metadata.keyspaces[self.keyspace_name].durable_writes)
cluster2.shutdown()
def test_refresh_table_metadata(self):
"""
test for synchronously refreshing table metadata
test_refresh_table_metatadata tests that table metadata is refreshed when calling test_refresh_table_metatadata().
It creates a second cluster object with schema_event_refresh_window=-1 such that schema refreshes are disabled
for schema change push events. It then alters the table, adding a new column, using the first cluster
object, and verifies that the table metadata has not changed in the second cluster object. Finally, it calls
test_refresh_table_metatadata() and verifies that the table metadata is updated in the second cluster object.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result Table metadata should be refreshed when refresh_table_metadata() is called.
@test_category metadata
"""
table_name = "test"
self.session.execute("CREATE TABLE {0}.{1} (a int PRIMARY KEY, b text)".format(self.keyspace_name, table_name))
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertNotIn("c", cluster2.metadata.keyspaces[self.keyspace_name].tables[table_name].columns)
self.session.execute("ALTER TABLE {0}.{1} ADD c double".format(self.keyspace_name, table_name))
self.assertNotIn("c", cluster2.metadata.keyspaces[self.keyspace_name].tables[table_name].columns)
cluster2.refresh_table_metadata(self.keyspace_name, table_name)
self.assertIn("c", cluster2.metadata.keyspaces[self.keyspace_name].tables[table_name].columns)
cluster2.shutdown()
@greaterthanorequalcass30
def test_refresh_metadata_for_mv(self):
"""
test for synchronously refreshing materialized view metadata
test_refresh_table_metadata_for_materialized_views tests that materialized view metadata is refreshed when calling
test_refresh_table_metatadata() with the materialized view name as the table. It creates a second cluster object
with schema_event_refresh_window=-1 such that schema refreshes are disabled for schema change push events.
It then creates a new materialized view , using the first cluster object, and verifies that the materialized view
metadata has not changed in the second cluster object. Finally, it calls test_refresh_table_metatadata() with the
materialized view name as the table name, and verifies that the materialized view metadata is updated in the
second cluster object.
@since 3.0.0
@jira_ticket PYTHON-371
@expected_result Materialized view metadata should be refreshed when refresh_table_metadata() is called.
@test_category metadata
"""
self.session.execute("CREATE TABLE {0}.{1} (a int PRIMARY KEY, b text)".format(self.keyspace_name, self.function_table_name))
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
try:
self.assertNotIn("mv1", cluster2.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
self.session.execute("CREATE MATERIALIZED VIEW {0}.mv1 AS SELECT a, b FROM {0}.{1} "
"WHERE a IS NOT NULL AND b IS NOT NULL PRIMARY KEY (a, b)"
.format(self.keyspace_name, self.function_table_name))
self.assertNotIn("mv1", cluster2.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
cluster2.refresh_table_metadata(self.keyspace_name, "mv1")
self.assertIn("mv1", cluster2.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
finally:
cluster2.shutdown()
original_meta = self.cluster.metadata.keyspaces[self.keyspace_name].views['mv1']
self.assertIs(original_meta, self.session.cluster.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views['mv1'])
self.cluster.refresh_materialized_view_metadata(self.keyspace_name, 'mv1')
current_meta = self.cluster.metadata.keyspaces[self.keyspace_name].views['mv1']
self.assertIsNot(current_meta, original_meta)
self.assertIsNot(original_meta, self.session.cluster.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views['mv1'])
self.assertEqual(original_meta.as_cql_query(), current_meta.as_cql_query())
cluster3 = TestCluster(schema_event_refresh_window=-1)
cluster3.connect()
try:
self.assertNotIn("mv2", cluster3.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
self.session.execute(
"CREATE MATERIALIZED VIEW {0}.mv2 AS SELECT a, b FROM {0}.{1} "
"WHERE a IS NOT NULL AND b IS NOT NULL PRIMARY KEY (a, b)".format(
self.keyspace_name, self.function_table_name)
)
self.assertNotIn("mv2", cluster3.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
cluster3.refresh_materialized_view_metadata(self.keyspace_name, 'mv2')
self.assertIn("mv2", cluster3.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].views)
finally:
cluster3.shutdown()
def test_refresh_user_type_metadata(self):
"""
test for synchronously refreshing UDT metadata in keyspace
test_refresh_user_type_metadata tests that UDT metadata in a keyspace is refreshed when calling refresh_user_type_metadata().
It creates a second cluster object with schema_event_refresh_window=-1 such that schema refreshes are disabled
for schema change push events. It then alters the keyspace, creating a new UDT, using the first cluster
object, and verifies that the UDT metadata has not changed in the second cluster object. Finally, it calls
refresh_user_type_metadata() and verifies that the UDT metadata in the keyspace is updated in the second cluster object.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result UDT metadata in the keyspace should be refreshed when refresh_user_type_metadata() is called.
@test_category metadata
"""
if PROTOCOL_VERSION < 3:
raise unittest.SkipTest("Protocol 3+ is required for UDTs, currently testing against {0}".format(PROTOCOL_VERSION))
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].user_types, {})
self.session.execute("CREATE TYPE {0}.user (age int, name text)".format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].user_types, {})
cluster2.refresh_user_type_metadata(self.keyspace_name, "user")
self.assertIn("user", cluster2.metadata.keyspaces[self.keyspace_name].user_types)
cluster2.shutdown()
@greaterthancass20
def test_refresh_user_type_metadata_proto_2(self):
"""
Test to insure that protocol v1/v2 surface UDT metadata changes
@since 3.7.0
@jira_ticket PYTHON-106
@expected_result UDT metadata in the keyspace should be updated regardless of protocol version
@test_category metadata
"""
supported_versions = get_supported_protocol_versions()
if 2 not in supported_versions: # 1 and 2 were dropped in the same version
raise unittest.SkipTest("Protocol versions 1 and 2 are not supported in Cassandra version ".format(CASSANDRA_VERSION))
for protocol_version in (1, 2):
cluster = TestCluster()
session = cluster.connect()
self.assertEqual(cluster.metadata.keyspaces[self.keyspace_name].user_types, {})
session.execute("CREATE TYPE {0}.user (age int, name text)".format(self.keyspace_name))
self.assertIn("user", cluster.metadata.keyspaces[self.keyspace_name].user_types)
self.assertIn("age", cluster.metadata.keyspaces[self.keyspace_name].user_types["user"].field_names)
self.assertIn("name", cluster.metadata.keyspaces[self.keyspace_name].user_types["user"].field_names)
session.execute("ALTER TYPE {0}.user ADD flag boolean".format(self.keyspace_name))
self.assertIn("flag", cluster.metadata.keyspaces[self.keyspace_name].user_types["user"].field_names)
session.execute("ALTER TYPE {0}.user RENAME flag TO something".format(self.keyspace_name))
self.assertIn("something", cluster.metadata.keyspaces[self.keyspace_name].user_types["user"].field_names)
session.execute("DROP TYPE {0}.user".format(self.keyspace_name))
self.assertEqual(cluster.metadata.keyspaces[self.keyspace_name].user_types, {})
cluster.shutdown()
def test_refresh_user_function_metadata(self):
"""
test for synchronously refreshing UDF metadata in keyspace
test_refresh_user_function_metadata tests that UDF metadata in a keyspace is refreshed when calling
refresh_user_function_metadata(). It creates a second cluster object with schema_event_refresh_window=-1 such
that schema refreshes are disabled for schema change push events. It then alters the keyspace, creating a new
UDF, using the first cluster object, and verifies that the UDF metadata has not changed in the second cluster
object. Finally, it calls refresh_user_function_metadata() and verifies that the UDF metadata in the keyspace
is updated in the second cluster object.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result UDF metadata in the keyspace should be refreshed when refresh_user_function_metadata() is called.
@test_category metadata
"""
if PROTOCOL_VERSION < 4:
raise unittest.SkipTest("Protocol 4+ is required for UDFs, currently testing against {0}".format(PROTOCOL_VERSION))
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].functions, {})
self.session.execute("""CREATE FUNCTION {0}.sum_int(key int, val int)
RETURNS NULL ON NULL INPUT
RETURNS int
LANGUAGE java AS ' return key + val;';""".format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].functions, {})
cluster2.refresh_user_function_metadata(self.keyspace_name, UserFunctionDescriptor("sum_int", ["int", "int"]))
self.assertIn("sum_int(int,int)", cluster2.metadata.keyspaces[self.keyspace_name].functions)
cluster2.shutdown()
def test_refresh_user_aggregate_metadata(self):
"""
test for synchronously refreshing UDA metadata in keyspace
test_refresh_user_aggregate_metadata tests that UDA metadata in a keyspace is refreshed when calling
refresh_user_aggregate_metadata(). It creates a second cluster object with schema_event_refresh_window=-1 such
that schema refreshes are disabled for schema change push events. It then alters the keyspace, creating a new
UDA, using the first cluster object, and verifies that the UDA metadata has not changed in the second cluster
object. Finally, it calls refresh_user_aggregate_metadata() and verifies that the UDF metadata in the keyspace
is updated in the second cluster object.
@since 2.6.0
@jira_ticket PYTHON-291
@expected_result UDA metadata in the keyspace should be refreshed when refresh_user_aggregate_metadata() is called.
@test_category metadata
"""
if PROTOCOL_VERSION < 4:
raise unittest.SkipTest("Protocol 4+ is required for UDAs, currently testing against {0}".format(PROTOCOL_VERSION))
cluster2 = TestCluster(schema_event_refresh_window=-1)
cluster2.connect()
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].aggregates, {})
self.session.execute("""CREATE FUNCTION {0}.sum_int(key int, val int)
RETURNS NULL ON NULL INPUT
RETURNS int
LANGUAGE java AS 'return key + val;';""".format(self.keyspace_name))
self.session.execute("""CREATE AGGREGATE {0}.sum_agg(int)
SFUNC sum_int
STYPE int
INITCOND 0"""
.format(self.keyspace_name))
self.assertEqual(cluster2.metadata.keyspaces[self.keyspace_name].aggregates, {})
cluster2.refresh_user_aggregate_metadata(self.keyspace_name, UserAggregateDescriptor("sum_agg", ["int"]))
self.assertIn("sum_agg(int)", cluster2.metadata.keyspaces[self.keyspace_name].aggregates)
cluster2.shutdown()
@greaterthanorequalcass30
def test_multiple_indices(self):
"""
test multiple indices on the same column.
Creates a table and two indices. Ensures that both indices metatdata is surface appropriately.
@since 3.0.0
@jira_ticket PYTHON-276
@expected_result IndexMetadata is appropriately surfaced
@test_category metadata
"""
self.session.execute("CREATE TABLE {0}.{1} (a int PRIMARY KEY, b map<text, int>)".format(self.keyspace_name, self.function_table_name))
self.session.execute("CREATE INDEX index_1 ON {0}.{1}(b)".format(self.keyspace_name, self.function_table_name))
self.session.execute("CREATE INDEX index_2 ON {0}.{1}(keys(b))".format(self.keyspace_name, self.function_table_name))
indices = self.cluster.metadata.keyspaces[self.keyspace_name].tables[self.function_table_name].indexes
self.assertEqual(len(indices), 2)
index_1 = indices["index_1"]
index_2 = indices['index_2']
self.assertEqual(index_1.table_name, "test_multiple_indices")
self.assertEqual(index_1.name, "index_1")
self.assertEqual(index_1.kind, "COMPOSITES")
self.assertEqual(index_1.index_options["target"], "values(b)")
self.assertEqual(index_1.keyspace_name, "schemametadatatests")
self.assertEqual(index_2.table_name, "test_multiple_indices")
self.assertEqual(index_2.name, "index_2")
self.assertEqual(index_2.kind, "COMPOSITES")
self.assertEqual(index_2.index_options["target"], "keys(b)")
self.assertEqual(index_2.keyspace_name, "schemametadatatests")
@greaterthanorequalcass30
def test_table_extensions(self):
s = self.session
ks = self.keyspace_name
ks_meta = s.cluster.metadata.keyspaces[ks]
t = self.function_table_name
v = t + 'view'
s.execute("CREATE TABLE %s.%s (k text PRIMARY KEY, v int)" % (ks, t))
s.execute(
"CREATE MATERIALIZED VIEW %s.%s AS SELECT * FROM %s.%s "
"WHERE v IS NOT NULL AND k IS NOT NULL PRIMARY KEY (v, k)" % (ks, v, ks, t)
)
table_meta = ks_meta.tables[t]
view_meta = table_meta.views[v]
self.assertFalse(table_meta.extensions)
self.assertFalse(view_meta.extensions)
original_table_cql = table_meta.export_as_string()
original_view_cql = view_meta.export_as_string()
# extensions registered, not present
# --------------------------------------
class Ext0(RegisteredTableExtension):
name = t
@classmethod
def after_table_cql(cls, table_meta, ext_key, ext_blob):
return "%s %s %s %s" % (cls.name, table_meta.name, ext_key, ext_blob)
class Ext1(Ext0):
name = t + '##'
self.assertFalse(table_meta.extensions)
self.assertFalse(view_meta.extensions)
self.assertIn(Ext0.name, _RegisteredExtensionType._extension_registry)
self.assertIn(Ext1.name, _RegisteredExtensionType._extension_registry)
# There will bee the RLAC extension here.
self.assertEqual(len(_RegisteredExtensionType._extension_registry), 3)
self.cluster.refresh_table_metadata(ks, t)
table_meta = ks_meta.tables[t]
view_meta = table_meta.views[v]
self.assertEqual(table_meta.export_as_string(), original_table_cql)
self.assertEqual(view_meta.export_as_string(), original_view_cql)
update_t = s.prepare('UPDATE system_schema.tables SET extensions=? WHERE keyspace_name=? AND table_name=?') # for blob type coercing
update_v = s.prepare('UPDATE system_schema.views SET extensions=? WHERE keyspace_name=? AND view_name=?')
# extensions registered, one present
# --------------------------------------
ext_map = {Ext0.name: six.b("THA VALUE")}
[(s.execute(update_t, (ext_map, ks, t)), s.execute(update_v, (ext_map, ks, v)))
for _ in self.cluster.metadata.all_hosts()] # we're manipulating metadata - do it on all hosts
self.cluster.refresh_table_metadata(ks, t)
self.cluster.refresh_materialized_view_metadata(ks, v)