cassandra-python-driver changelog

Changelog History

Page 1

• v3.25.0 Changes

  March 18, 2021

  🔋 Features

  • Ensure the driver can connect when invalid peer hosts are in system.peers (PYTHON-1260)
  • Implement protocol v5 checksumming (PYTHON-1258)
  • 🛠 Fix the default cqlengine connection mechanism to work with Astra (PYTHON-1265)

  🐛 Bug Fixes

  • 🌲 Asyncore race condition cause logging exception on shutdown (PYTHON-1266)
  • ⚡️ Update list of reserved keywords (PYTHON-1269)

  Others

  • ⬇️ Drop Python 3.4 support (PYTHON-1220)
  • 📚 Update security documentation and examples to use PROTOCOL_TLS (PYTHON-1264)

• v3.24.0 Changes

  June 17, 2020

  June 18, 2020

  🔋 Features

  • 👉 Make geomet an optional dependency at runtime (PYTHON-1237)
  • 0️⃣ Add use_default_tempdir cloud config options (PYTHON-1245)
  • Tcp flow control for libevreactor (PYTHON-1248)

  🐛 Bug Fixes

  • Unable to connect to a cloud cluster using Ubuntu 20.04 (PYTHON-1238)
  • PlainTextAuthProvider fails with unicode chars and Python3 (PYTHON-1241)
  • [GRAPH] Graph execution profiles consistency level are not set to LOCAL_QUORUM with a cloud cluster (PYTHON-1240)
  • [GRAPH] Can't write data in a Boolean field using the Fluent API (PYTHON-1239)
  • [GRAPH] Fix elementMap() result deserialization (PYTHON-1233)

  Others

  • ⬆️ Bump geomet dependency version to 0.2 (PYTHON-1243)
  • ⬆️ Bump gremlinpython dependency version to 3.4.6 (PYTHON-1212)
  • 👌 Improve fluent graph documentation for core graphs (PYTHON-1244)

• v3.23.0 Changes

  April 03, 2020

  April 6, 2020

  🔋 Features

  • 👍 Transient Replication Support (PYTHON-1207)
  • Support system.peers_v2 and port discovery for C* 4.0 (PYTHON-700)

  🐛 Bug Fixes

  • 🌲 Asyncore logging exception on shutdown (PYTHON-1228)

• v3.22.0 Changes

  February 26, 2020

  February 26, 2020

  🔋 Features

  • ➕ Add all() function to the ResultSet API (PYTHON-1203)
  • 📇 Parse new schema metadata in NGDG and generate table edges CQL syntax (PYTHON-996)
  • ➕ Add GraphSON3 support (PYTHON-788)
  • 0️⃣ Use GraphSON3 as default for Native graphs (PYTHON-1004)
  • ➕ Add Tuple and UDT types for native graph (PYTHON-1005)
  • ➕ Add Duration type for native graph (PYTHON-1000)
  • ➕ Add gx:ByteBuffer graphson type support for Blob field (PYTHON-1027)
  • Enable Paging Through DSE Driver for Gremlin Traversals (PYTHON-1045)
  • Provide numerical wrappers to ensure proper graphson schema definition (PYTHON-1051)
  • Resolve the row_factory automatically for native graphs (PYTHON-1056)
  • ➕ Add g:TraversalMetrics/g:Metrics graph deserializers (PYTHON-1057)
  • ➕ Add g:BulkSet graph deserializers (PYTHON-1060)
  • ⚡️ Update Graph Engine names and the way to create a Classic/Native Graph (PYTHON-1090)
  • ⚡️ Update Native to Core Graph Engine
  • ➕ Add graphson3 and native graph support (PYTHON-1039)
  • Enable Paging Through DSE Driver for Gremlin Traversals (PYTHON-1045)
  • 🔦 Expose filter predicates for cql collections (PYTHON-1019)
  • ➕ Add g:TraversalMetrics/Metrics deserializers (PYTHON-1057)
  • 📇 Make graph metadata handling more robust (PYTHON-1204)

  🐛 Bug Fixes

  • Make sure to only query the native_transport_address column with DSE (PYTHON-1205)

• v3.21.0 Changes

  January 15, 2020

  January 15, 2020

  🔋 Features

  • 📦 Unified driver: merge core and DSE drivers into a single package (PYTHON-1130)
  • ➕ Add Python 3.8 support (PYTHON-1189)
  • 👍 Allow passing ssl context for Twisted (PYTHON-1161)
  • 👍 Ssl context and cloud support for Eventlet (PYTHON-1162)
  • 👍 Cloud Twisted support (PYTHON-1163)
  • Add additional_write_policy and read_repair to system schema parsing (PYTHON-1048)
  • 📜 Flexible version parsing (PYTHON-1174)
  • 👌 Support NULL in collection deserializer (PYTHON-1123)
  • [GRAPH] Ability to execute Fluent Graph queries asynchronously (PYTHON-1129)

  🐛 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)
  • Connection fails to validate ssl certificate hostname when SSLContext.check_hostname is set (PYTHON-1186)
  • 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)

  Others

  • The driver has a new dependency: geomet. It comes from the dse-driver unification and is used to support DSE geo types.
  • Remove *read_repair_chance table options (PYTHON-1140)
  • ⚠ Avoid warnings about unspecified load balancing policy when connecting to a cloud cluster (PYTHON-1177)
  • ➕ Add new DSE CQL keywords (PYTHON-1122)
  • Publish binary wheel distributions (PYTHON-1013)

  🗄 Deprecations

  • 🚚 DSELoadBalancingPolicy will be removed in the next major, consider using the DefaultLoadBalancingPolicy.

  🔀 Merged from dse-driver:

  🔋 Features

  • Insights integration (PYTHON-1047)
  • Graph execution profiles should preserve their graph_source when graph_options is overridden (PYTHON-1021)
  • ➕ Add NodeSync metadata (PYTHON-799)
  • ➕ Add new NodeSync failure values (PYTHON-934)
  • DETERMINISTIC and MONOTONIC Clauses for Functions and Aggregates (PYTHON-955)
  • ⚠ GraphOptions should show a warning for unknown parameters (PYTHON-819)
  • 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)
  • Create an AuthProvider for the DSE transitional mode (PYTHON-831)
  • Implement serializers for the Graph String API (PYTHON-778)
  • Provide deserializers for GraphSON types (PYTHON-782)
  • ➕ Add Graph DurationType support (PYTHON-607)
  • 👌 Support DSE DateRange type (PYTHON-668)
  • RLAC CQL output for materialized views (PYTHON-682)
  • ➕ Add Geom Types wkt deserializer
  • 🛰 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)
  • 0️⃣ 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

  • Continuous paging sessions raise RuntimeError when results are not entirely consumed (PYTHON-1054)
  • GraphSON Property deserializer should return a dict instead of a set (PYTHON-1033)
  • ResponseFuture.has_more_pages may hold the wrong value (PYTHON-946)
  • DETERMINISTIC clause in AGGREGATE misplaced in CQL generation (PYTHON-963)
  • 🏁 graph module import cause a DLL issue on Windows due to its cythonizing failure (PYTHON-900)
  • ⚡️ Update date serialization to isoformat in graph (PYTHON-805)
  • 📜 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)
  • 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)
  • Correctly handle other types in geo type equality (PYTHON-508)

  Other

  • ➕ Add tests around cqlengine and continuous paging (PYTHON-872)
  • ➕ Add an abstract GraphStatement to handle different graph statements (PYTHON-789)
  • 📚 Write documentation examples for DSE 2.0 features (PYTHON-732)
  • DSE_V1 protocol should not include all of protocol v5 (PYTHON-694)

• v3.20.2 Changes

  November 19, 2019

  November 19, 2019

  🐛 Bug Fixes

  • 🛠 Fix import error for old python installation without SSLContext (PYTHON-1183)

• v3.20.1 Changes

  November 06, 2019

  November 6, 2019

  🐛 Bug Fixes

  • ValueError: too many values to unpack (expected 2)" when there are two dashes in server version number (PYTHON-1172)

• v3.20.0 Changes

  October 26, 2019

  October 28, 2019

  🔋 Features

  • 👍 DataStax Astra 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)

• v3.19.0 Changes

  August 26, 2019

  August 26, 2019

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

  Other

  • ✂ Remove invalid warning in set_session when we initialize a default connection (PYTHON-1104)
  • 0️⃣ Set the proper default ExecutionProfile.row_factory value (PYTHON-1119)

• v3.18.0 Changes

  May 27, 2019

  May 27, 2019

  🔋 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)

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