cassandra-python-driver v3.21.0

« Changelog History

cassandra-python-driver v3.21.0 Release Notes

• 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)

• All Versions
• Previous v3.20.2
• Next v3.22.0
• Latest Version