CHANGELOG

2.11.1

January 21, 2020

Merged from OSS master (3.21):

Bug fixes

• Handle prepared id mismatch when repreparing on the fly (PYTHON-1124)

• re-raising the CQLEngineException will fail on Python 3 (PYTHON-1166)

• asyncio message chunks can be processed discontinuously (PYTHON-1185)

• Reconnect attempts persist after downed node removed from peers (PYTHON-1181)

• ResponseFuture._set_result crashes on connection error when used with PrepareMessage (PYTHON-1187)

• Insights fail to serialize the startup message when the SSL Context is from PyOpenSSL (PYTHON-1192)

2.11.0

October 28, 2019

Merged from OSS master (3.20):

Features

• DataStax Apollo Support (PYTHON-1074)

• Use 4.0 schema parser in 4 alpha and snapshot builds (PYTHON-1158)

Bug Fixes

• Connection setup methods prevent using ExecutionProfile in cqlengine (PYTHON-1009)

• Driver deadlock if all connections dropped by heartbeat whilst request in flight and request times out (PYTHON-1044)

• Exception when use pk__token__gt filter In python 3.7 (PYTHON-1121)

2.10.0

August 26, 2019

Merged from OSS master (3.19):

Features

• Add Python 3.7 support (PYTHON-1016)

• Future-proof Mapping imports (PYTHON-1023)

• Include param values in cqlengine logging (PYTHON-1105)

• NTS Token Replica Map Generation is slow (PYTHON-622)

Bug Fixes

• as_cql_query UDF/UDA parameters incorrectly includes “frozen” if arguments are collections (PYTHON-1031)

• cqlengine does not currently support combining TTL and TIMESTAMP on INSERT (PYTHON-1093)

• Fix incorrect metadata for compact counter tables (PYTHON-1100)

• Call ConnectionException with correct kwargs (PYTHON-1117)

• Can’t connect to clusters built from source because version parsing doesn’t handle ‘x.y-SNAPSHOT’ (PYTHON-1118)

• Discovered node doesn´t honor the configured Cluster port on connection (PYTHON-1127)

Other

• Remove invalid warning in set_session when we initialize a default connection (PYTHON-1104)

• Set the proper default ExecutionProfile.row_factory value (PYTHON-1119)

2.9.0

May 27, 2019

Features

• Insights integration (PYTHON-1047)

Merged from OSS master (3.18):

Features

• Abstract Host Connection information (PYTHON-1079)

• Improve version parsing to support a non-integer 4th component (PYTHON-1091)

• Expose on_request_error method in the RetryPolicy (PYTHON-1064)

• Add jitter to ExponentialReconnectionPolicy (PYTHON-1065)

Bug Fixes

• Fix error when preparing queries with beta protocol v5 (PYTHON-1081)

• Accept legacy empty strings as column names (PYTHON-1082)

• Let util.SortedSet handle uncomparable elements (PYTHON-1087)

2.8.1

May 2, 2019

Merged from OSS 3.17.1:

Bug Fixes

• Socket errors EAGAIN/EWOULDBLOCK are not handled properly and cause timeouts (PYTHON-1089)

2.8.0

February 19, 2019

Bug Fixes

• Continuous paging sessions raise RuntimeError when results are not entirely consumed (PYTHON-1054)

Merged from OSS master (3.17):

Features

• Send driver name and version in startup message (PYTHON-1068)

• Add Cluster ssl_context option to enable SSL (PYTHON-995)

• Allow encrypted private keys for 2-way SSL cluster connections (PYTHON-995)

• Introduce new method ConsistencyLevel.is_serial (PYTHON-1067)

• Add Session.get_execution_profile (PYTHON-932)

• Add host kwarg to Session.execute/execute_async APIs to send a query to a specific node (PYTHON-993)

Bug Fixes

• NoHostAvailable when all hosts are up and connectable (PYTHON-891)

• Serial consistency level is not used (PYTHON-1007)

Other

• Fail faster on incorrect lz4 import (PYTHON-1042)

• Bump Cython dependency version to 0.29 (PYTHON-1036)

• Expand Driver SSL Documentation (PYTHON-740)

Deprecations

• Using Cluster.ssl_options to enable SSL is deprecated and will be removed in the next major release, use ssl_context.

• DowngradingConsistencyRetryPolicy is deprecated and will be removed in the next major release. (PYTHON-937)

Merged from OSS master (3.16):

Bug Fixes

• Cluster instantiation fails if any contact points’ hostname resolution fails (PYTHON-895)

• Log profile name on attempt to create existing profile (PYTHON-944)

• ResultSet.one() fails if the row_factory is using a generator (PYTHON-1026)

Other

• Fix wrong use of ResultSet indexing (PYTHON-1015)

• remove ‘setup.py nosetests’ from documentation (PYTHON-988)

2.7.0

November 12, 2018

Features

• Graph execution profiles should preserve their graph_source when graph_options is overridden (PYTHON-1021)

Bug Fixes

• GraphSON Property deserializer should return a dict instead of a set (PYTHON-1033)

Merged from OSS master (3.16):

Bug Fixes

• Improve and fix socket error-catching code in nonblocking-socket reactors (PYTHON-1024)

• Non-ASCII characters in schema break CQL string generation (PYTHON-1008)

• Fix OSS driver’s virtual table support against DSE 6.0.X and future server releases (PYTHON-1020)

Other

• Fix tests when RF is not maintained if we decomission a node (PYTHON-1017)

2.6.0

August 30, 2018

Merged from OSS master (3.15.0):

Features

• Parse Virtual Keyspace Metadata (PYTHON-992)

Bug Fixes

• Tokenmap.get_replicas returns the wrong value if token coincides with the end of the range (PYTHON-978)

• Python Driver fails with “more than 255 arguments” python exception when > 255 columns specified in query response (PYTHON-893)

• Hang in integration.standard.test_cluster.ClusterTests.test_set_keyspace_twice (PYTHON-998)

• Asyncore reactors should use a global variable instead of a class variable for the event loop (PYTHON-697)

Other

• Use global variable for libev loops so it can be subclassed (PYTHON-973)

• Update SchemaParser for V4 (PYTHON-1006)

• Bump Cython dependency version to 0.28 (PYTHON-1012)

2.5.0

April 17, 2018

Features

• Add NodeSync metadata (PYTHON-799)

• Add new NodeSync failure values (PYTHON-934)

• DETERMINISTIC and MONOTONIC Clauses for Functions and Aggregates (PYTHON-955)

Bug Fixes

• ResponseFuture.has_more_pages may hold the wrong value (PYTHON-946)

• Warn users when using the deprecated Session.default_consistency_level (PYTHON-953)

• DETERMINISTIC clause in AGGREGATE misplaced in CQL generation (PYTHON-963)

Other

• Disallow setting default_consistency_level (PYTHON-970)

• Add tests around cqlengine and continuous paging (PYTHON-872)

• Fix DSE docs for Session.default_consistency_level (PYTHON-965)

Merged from OSS master (3.14.0):

Features

• Add one() function to the ResultSet API (PYTHON-947)

• Create an utility function to fetch concurrently many keys from the same replica (PYTHON-647)

• Allow filter queries with fields that have an index managed outside of cqlengine (PYTHON-966)

• Twisted SSL Support (PYTHON-343)

• Support IS NOT NULL operator in cqlengine (PYTHON-968)

Other

• Fix Broken Links in Docs (PYTHON-916)

• Reevaluate MONKEY_PATCH_LOOP in test codebase (PYTHON-903)

• Remove CASS_SERVER_VERSION and replace it for CASSANDRA_VERSION in tests (PYTHON-910)

• Refactor CASSANDRA_VERSION to a some kind of version object (PYTHON-915)

• Log warning when driver configures an authenticator, but server does not request authentication (PYTHON-940)

• Warn users when using the deprecated Session.default_consistency_level (PYTHON-953)

• Add DSE smoke test to OSS driver tests (PYTHON-894)

• Improve error for batch WriteTimeouts (PYTHON-941)

• Deprecate ResultSet indexing (PYTHON-945)

2.4.1

February 6, 2018

Other

• add CHANGELOG to docs (PYTHON-904)

• Fix Broken Links in Docs (PYTHON-916)

2.4.0

January 30, 2018

Features

• GraphOptions should show a warning for unknown parameters (PYTHON-819)

Bug Fixes

• dse.graph module import cause a DLL issue on Windows due to its cythonizing failure (PYTHON-900)

Merged from OSS master (3.13.0):

Features

• cqlengine: LIKE filter operator (PYTHON-512)

• Support cassandra.query.BatchType with cqlengine BatchQuery (PYTHON-888)

Bug Fixes

• AttributeError: ‘NoneType’ object has no attribute ‘add_timer’ (PYTHON-862)

• Support retry_policy in PreparedStatement (PYTHON-861)

• __del__ method in Session is throwing an exception (PYTHON-813)

• LZ4 import issue with recent versions (PYTHON-897)

• ResponseFuture._connection can be None when returning request_id (PYTHON-853)

• ResultSet.was_applied doesn’t support batch with LWT statements (PYTHON-848)

Other

• cqlengine: avoid warning when unregistering connection on shutdown (PYTHON-865)

• Fix DeprecationWarning of log.warn (PYTHON-846)

• Fix example_mapper.py for python3 (PYTHON-860)

• Possible deadlock on cassandra.concurrent.execute_concurrent (PYTHON-768)

• Add some known deprecated warnings for 4.x (PYTHON-877)

• Remove copyright dates from copyright notices (PYTHON-863)

• Remove “Experimental” tag from execution profiles documentation (PYTHON-840)

• request_timer metrics descriptions are slightly incorrect (PYTHON-885)

• Remove “Experimental” tag from cqlengine connections documentation (PYTHON-892)

• Set in documentation default consistency for operations is LOCAL_ONE (PYTHON-901)

2.3.0

November 6, 2017

Features

• DSE protocol version 2 and continous paging backpressure (PYTHON-798)

• GraphSON2 Serialization/Deserialization Support (PYTHON-775)

• Add graph-results payload option for GraphSON format (PYTHON-773)

• Send keyspace in QUERY, PREPARE, and BATCH messages (PYTHON-678)

• Add support of Python3 IPv4Address and IPv6Address for inet types (PYTHON-751)

• Create an AuthProvider for the DSE transitional mode (PYTHON-831)

• WriteType.CDC and VIEW missing (PYTHON-794)

• Warn on Cluster init if contact points are specified but LBP isn’t (legacy mode) (PYTHON-812)

• Warn on Cluster init if contact points are specified but LBP isn’t (exection profile mode) (PYTHON-838)

• Include hash of result set metadata in prepared stmt id (PYTHON-808)

• Add NO_COMPACT startup option (PYTHON-839)

• Add new exception type for CDC (PYTHON-837)

• Allow 0ms in ConstantSpeculativeExecutionPolicy (PYTHON-836)

• Add asyncio reactor (PYTHON-507)

Bug Fixes

• Both _set_final_exception/result called for the same ResponseFuture (PYTHON-630)

• Use of DCAwareRoundRobinPolicy raises NoHostAvailable exception (PYTHON-781)

• Update date serialization to isoformat in graph (PYTHON-805)

Others

• Add an abstract GraphStatement to handle different graph statements (PYTHON-789)

• Not create two sessions by default in CQLEngine (PYTHON-814)

• Bug when subclassing AyncoreConnection (PYTHON-827)

• Error at cleanup when closing the asyncore connections (PYTHON-829)

• Fix sites where sessions can change during iteration (PYTHON-793)

• cqlengine: allow min_length=0 for Ascii and Text column types (PYTHON-735)

• Rare exception when “sys.exit(0)” after query timeouts (PYTHON-752)

• Dont set the session keyspace when preparing statements (PYTHON-843)

• Use of DCAwareRoundRobinPolicy raises NoHostAvailable exception (PYTHON-781)

• Remove DeprecationWarning when using WhiteListRoundRobinPolicy (PYTHON-810)

• Bump Cython dependency version to 0.27 (PYTHON-833)

• Rename rpc_address to native_transport_address (PYTHON-830)

2.2.0

July 24, 2017

Features

• Implement serializers for the Graph String API (PYTHON-778)

• Provide deserializers for GraphSON types (PYTHON-782)

• Add Graph DurationType support (PYTHON-607)

Merged from OSS master (3.11.0):

Features

• Add idle_heartbeat_timeout cluster option to tune how long to wait for heartbeat responses. (PYTHON-762)

• Add HostFilterPolicy (PYTHON-761)

Bug Fixes

• is_idempotent flag is not propagated from PreparedStatement to BoundStatement (PYTHON-736)

• Fix asyncore hang on exit (PYTHON-767)

• Driver takes several minutes to remove a bad host from session (PYTHON-762)

• Installation doesn’t always fall back to no cython in Windows (PYTHON-763)

• Avoid to replace a connection that is supposed to shutdown (PYTHON-772)

• request_ids may not be returned to the pool (PYTHON-739)

• Fix murmur3 on big-endian systems (PYTHON-653)

• Ensure unused connections are closed if a Session is deleted by the GC (PYTHON-774)

• Fix .values_list by using db names internally (cqlengine) (PYTHON-785)

Other

• Bump Cython dependency version to 0.25.2 (PYTHON-754)

• Fix DeprecationWarning when using lz4 (PYTHON-769)

• Deprecate WhiteListRoundRobinPolicy (PYTHON-759)

• Improve upgrade guide for materializing pages (PYTHON-464)

• Documentation for time/date specifies timestamp inupt as microseconds (PYTHON-717)

• Point to DSA Slack, not IRC, in docs index

2.1.0

May 24, 2017

Other

• Correct licence in DSE Driver (PYTHON-748)

Merged from OSS 3.10.0:

Features

• Add Duration type to cqlengine (PYTHON-750)

• Community PR review: Raise error on primary key update only if its value changed (PYTHON-705)

• get_query_trace() contract is ambiguous (PYTHON-196)

Bug Fixes

• Queries using speculative execution policy timeout prematurely (PYTHON-755)

• Fix map where results are not consumed (PYTHON-749)

• Driver fails to encode Duration’s with large values (PYTHON-747)

• UDT values are not updated correctly in CQLEngine (PYTHON-743)

• UDT types are not validated in CQLEngine (PYTHON-742)

• to_python is not implemented for types columns.Type and columns.Date in CQLEngine (PYTHON-741)

• Clients spin infinitely trying to connect to a host that is drained (PYTHON-734)

• Resulset.get_query_trace returns empty trace sometimes (PYTHON-730)

• Memory grows and doesn’t get removed (PYTHON-720)

• Fix RuntimeError caused by change dict size during iteration (PYTHON-708)

• fix ExponentialReconnectionPolicy may throw OverflowError problem (PYTHON-707)

• Avoid using nonexistent prepared statement in ResponseFuture (PYTHON-706)

Other

• Update README (PYTHON-746)

• Test python versions 3.5 and 3.6 (PYTHON-737)

• Docs Warning About Prepare “select *” (PYTHON-626)

• Increase Coverage in CqlEngine Test Suite (PYTHON-505)

• Example SSL connection code does not verify server certificates (PYTHON-469)

2.0.0

April 18, 2017

Release merged in changes from cassandra-driver 3.9.0

Bug Fixes

• DateRange Parse Error (PYTHON-729)

• MontonicTimestampGenerator.__init__ ignores class defaults (PYTHON-728)

• metadata.get_host returning None unexpectedly (PYTHON-709)

• Sockets associated with sessions not getting cleaned up on session.shutdown() (PYTHON-673)

Other

• Write documentation examples for DSE 2.0 features (PYTHON-732)

2.0.0rc1

March 15, 2017

Release merged in changes from cassandra-driver 3.8.1 (PYTHON-712)

Bug Fixes

• Migrate DateRange and DateRangeBound off namedtuple implementations (PYTHON-701)

• Add missing rich comparisons for some custom types (PYTHON-714)

• Fix Comparisons for DateRange util types (PYTHON-718)

Other

• Remove support for Cassandra 2.0 and below (PYTHON-681)

2.0.0b3

February 13, 2017

Features

• Support DSE DateRange type (PYTHON-668)

• RLAC CQL output for materialized views (PYTHON-682)

Bug Fixes

• DSE_V1 protocol should not include all of protocol v5 (PYTHON-694)

1.1.0

November 2, 2016

Features

• Add Geom Types wkt deserializer

1.0.4

September 13, 2016

Release upgrading to cassandra-driver 3.7.0

1.0.3

August 5, 2016

Release upgrading to cassandra-driver 3.6.0

1.0.0

June 28, 2016

Features

• DSE Graph Client timeouts in custom payload (PYTHON-589)

• Make DSEGSSAPIAuthProvider accept principal name (PYTHON-574)

• Add config profiles to DSE graph execution (PYTHON-570)

• DSE Driver version checking (PYTHON-568)

Bug Fixes

• Resolve FQDN from ip address and use that as host passed to SASLClient (PYTHON-566)

• Geospatial type implementations don’t handle ‘EMPTY’ values. (PYTHON-481)

1.0.0a2

March 30, 2016

Features

• Distinct default timeout for graph queries (PYTHON-477)

• Graph result parsing for known types (PYTHON-479,487)

• Distinct read/write CL for graph execution (PYTHON-509)

• Target graph analytics query to spark master when available (PYTHON-510)

Bug Fixes

• Correctly handle other types in geo type equality (PYTHON-508)

1.0.0a1

February 4, 2016

Initial release