Log message:
Update databases/py-cassandra-driver to 3.12.0.

Features
- Send keyspace in QUERY, PREPARE, and BATCH messages
- Add IPv4Address/IPv6Address support for inet types
- WriteType.CDC and VIEW missing
- Warn on Cluster init if contact points are specified but LBP isn't
- Include hash of result set metadata in prepared stmt id
- Add NO_COMPACT startup option
- Add new exception type for CDC

Bug Fixes
- Both _set_final_exception/result called for the same ResponseFuture
- Use of DCAwareRoundRobinPolicy raises NoHostAvailable exception
- Not create two sessions by default in CQLEngine
- Bug when subclassing AyncoreConnection
- Error at cleanup when closing the asyncore connections
- Fix sites where sessions can change during iteration
- cqlengine: allow min_length=0 for Ascii and Text column types
- Rare exception when "sys.exit(0)" after query timeouts
- Dont set the session keyspace when preparing statements
- Use of DCAwareRoundRobinPolicy raises NoHostAvailable exception

Other
- Remove DeprecationWarning when using WhiteListRoundRobinPolicy
- Bump Cython dependency version to 0.27

Log message:
Update databases/py-cassandra-driver to 3.11.0.

Features
--------
- Add idle_heartbeat_timeout cluster option to tune how long to wait
  for heartbeat responses.
- Add HostFilterPolicy

Bug Fixes
---------
- is_idempotent flag is not propagated from PreparedStatement to
  BoundStatement
- Fix asyncore hang on exit
- Driver takes several minutes to remove a bad host from session
- Installation doesn't always fall back to no cython in Windows
- Avoid to replace a connection that is supposed to shutdown
- request_ids may not be returned to the pool
- Fix murmur3 on big-endian systems
- Ensure unused connections are closed if a Session is deleted by the
  GC
- Fix .values_list by using db names internally (cqlengine)

Other
-----
- Bump Cython dependency version to 0.25.2
- Fix DeprecationWarning when using lz4
- Deprecate WhiteListRoundRobinPolicy
- Improve upgrade guide for materializing pages
- Documentation for time/date specifies timestamp inupt as
  microseconds
- Point to DSA Slack, not IRC, in docs index

Log message:
Update databases/py-cassandra-driver to 3.10.0

Features
- Add Duration type to cqlengine
- Community PR review: Raise error on primary key update only if its
  value changed
- get_query_trace() contract is ambiguous

Bug Fixes
- Queries using speculative execution policy timeout prematurely
- Fix map where results are not consumed
- Driver fails to encode Duration's with large values
- UDT values are not updated correctly in CQLEngine
- UDT types are not validated in CQLEngine
- to_python is not implemented for types columns.Type and columns.Date
  in CQLEngine
- Clients spin infinitely trying to connect to a host that is drained
- Resulset.get_query_trace returns empty trace sometimes
- Memory grows and doesn't get removed
- Fix RuntimeError caused by change dict size during iteration
- fix ExponentialReconnectionPolicy may throw OverflowError problem
- Avoid using nonexistent prepared statement in ResponseFuture

Other
- Update README
- Test python versions 3.5 and 3.6
- Docs Warning About Prepare "select *"
- Increase Coverage in CqlEngine Test Suite
- Example SSL connection code does not verify server certificates

Log message:
Update databases/py-cassandra-driver to 3.9.0.

3.9.0

Features
- cqlengine: remove elements by key from a map

Bug Fixes
- improve error handling when connecting to non-existent keyspace
- Sockets associated with sessions not getting cleaned up on
  session.shutdown()
- rare flake on
  integration.standard.test_cluster.ClusterTests.test_clone_shared_lbp
- MontonicTimestampGenerator.__init__ ignores class defaults
- race where callback or errback for request may not be called
- cqlengine: model.update() should not update columns with a default
  value that hasn't changed
- cqlengine: field value manager's explicit flag is True when queried
  back from cassandra

Other
- Connection not closed in example_mapper
- Remove mention of pre-2.0 C* versions from OSS 3.0+ docs

3.8.1

Bug Fixes
- implement __le__/__ge__/__ne__ on some custom types
- Fix bug in eventlet and gevent reactors that could cause hangs
- Fix DecimalType regression

Log message:
Update databases/py-cassandra-driver to 3.8.0.

Features
- Quote index names in metadata CQL generation (PYTHON-616)
- On column deserialization failure, keep error message consistent
  between python and cython (PYTHON-631)
- TokenAwarePolicy always sends requests to the same replica for a given
  key (PYTHON-643)
- Added cql types to result set (PYTHON-648)
- Add __len__ to BatchStatement (PYTHON-650)
- Duration Type for Cassandra (PYTHON-655)
- Send flags with PREPARE message in v5 (PYTHON-684)

Bug Fixes
- Potential Timing issue if application exits prior to session pool
  initialization (PYTHON-636)
- "Host X.X.X.X has been marked down" without any exceptions
  (PYTHON-640)
- NoHostAvailable or OperationTimedOut when using execute_concurrent
  with a generator that inserts into more than one table (PYTHON-642)
- ResponseFuture creates Timers and don't cancel them even when result
  is received which leads to memory leaks (PYTHON-644)
- Driver cannot connect to Cassandra version > 3 (PYTHON-646)
- Unable to import model using UserType without setuping connection
  since 3.7 (PYTHON-649)
- Don't prepare queries on ignored hosts on_up (PYTHON-669)
- Sockets associated with sessions not getting cleaned up on
  session.shutdown() (PYTHON-673)
- Make client timestamps strictly monotonic (PYTHON-676)
- cassandra.cqlengine.connection.register_connection broken when
  hosts=None (PYTHON-692)

Other
- Create a cqlengine doc section explaining None semantics (PYTHON-623)
- Resolve warnings in documentation generation (PYTHON-645)
- Cython dependency (PYTHON-686)
- Drop Support for Python 2.6 (PYTHON-690)

Log message:
Add support for Cython>0.24 using an override mechanism in trunk.

Log message:
Update databases/py-cassandra-driver to 3.7.1.

- Cython upgrade has broken stable version of cassandra-driver

Log message:
Update databases/py-cassandra-driver to 3.7.0.

Features
- Add v5 protocol failure map
- Don't return from initial connect on first error
- Indicate failed column when deserialization fails
- Let Cluster.refresh_nodes force a token map rebuild
- Refresh UDTs after "keyspace updated" event with v1/v2 protocol
- EC2 Address Resolver
- Speculative query retries
- Expose paging state in API
- Don't mark host down while one connection is active
- Query request size information
- Avoid quadratic ring processing with invalid replication factors
- Improve Connection/Pool creation concurrency on startup
- Add beta version native protocol flag
- cqlengine: Connections: support of multiple keyspaces and
  sessions

Bug Fixes
- Race when adding a pool while setting keyspace
- Update results_metadata when prepared statement is reprepared
- CQL Export for Thrift Tables
- cqlengine: default value not applied to UserDefinedType
- cqlengine: columns are no longer hashable
- cqlengine: remove clustering keys from where clause when
  deleting only static columns

Log message:
Update databases/py-cassandra-driver to 3.6.0.

Features
- Handle null values in NumpyProtocolHandler (PYTHON-553)
- Collect greplin scales stats per cluster (PYTHON-561)
- Update mock unit test dependency requirement (PYTHON-591)
- Handle Missing CompositeType metadata following C* upgrade
  (PYTHON-562)
- Improve Host.is_up state for HostDistance.IGNORED hosts
  (PYTHON-551)
- Utilize v2 protocol's ability to skip result set metadata for
  prepared statement execution (PYTHON-71)
- Return from Cluster.connect() when first contact point
  connection(pool) is opened (PYTHON-105)
- cqlengine: Add ContextQuery to allow cqlengine models to switch
  the keyspace context easily (PYTHON-598)
- Standardize Validation between Ascii and Text types in Cqlengine
  (PYTHON-609)

Bug Fixes
- Fix geventreactor with SSL support (PYTHON-600)
- Don't downgrade protocol version if explicitly set (PYTHON-537)
- Nonexistent contact point tries to connect indefinitely
  (PYTHON-549)
- Execute_concurrent can exceed max recursion depth in failure
  mode (PYTHON-585)
- Libev loop shutdown race (PYTHON-578)
- Include aliases in DCT type string (PYTHON-579)
- cqlengine: Comparison operators for Columns (PYTHON-595)
- cqlengine: disentangle default_time_to_live table option from
  model query default TTL (PYTHON-538)
- cqlengine: pk__token column name issue with the equality
  operator (PYTHON-584)
- cqlengine: Fix "__in" filtering operator converts True to string
  "True" automatically (PYTHON-596)
- cqlengine: Avoid LWTExceptions when updating columns that are
  part of the condition (PYTHON-580)
- cqlengine: Cannot execute a query when the filter contains all
  columns (PYTHON-599)
- cqlengine: routing key computation issue when a primary key
  column is overriden by model inheritance (PYTHON-576)

Log message:
Update databases/py-cassandra-driver to 3.5.0.

Features
- Optional Execution Profiles for the core driver (PYTHON-569)
- API to get the host metadata associated with the control
  connection node (PYTHON-583)
- Expose CDC option in table metadata CQL (PYTHON-593)

Bug Fixes
- Clean up Asyncore socket map when fork is detected (PYTHON-577)
- cqlengine: QuerySet only() is not respected when there are
  deferred fields (PYTHON-560)