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CHANGELOG.md

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2.1.4

Features:

  • [RUBY-119] Use require 'datastax/cassandra' to avoid namespace conflicts
  • [RUBY-90] Add support for disabling nagle algorithm (tcp nodelay), enabled by default.
  • [RUBY-70] Add support for client-side timestamps, disabled by default.
  • [RUBY-114] Add support for serial consistency in batch requests.

Bug Fixes:

  • [RUBY-103] Don't regenerate schema metadata for the same replication strategies and options
  • [RUBY-102] Allow custom types in schema metadata
  • [RUBY-97] Allow disabling of the initial population of schema metadata
  • [RUBY-95] Speed up generation of large token maps
  • [RUBY-116] fix thread leak on connection error

Breaking Changes:

  • Setting :synchronize_schema to true will no longer perform the initial fetching if schema metadata.

2.1.3

Release removing backwards incompatible changes included in 2.1.2

2.1.2

Release removing accidental debug code from 2.1.1.

2.1.1

Bug Fixes:

  • [RUBY-98] Use of undefined class variable in Table#create_partition_key

2.1.0

Features:

  • Apache Cassandra native protocol v3
  • User-defined types and tuples
  • Schema metadata includes user-defined types
  • Named arguments
  • Public types api for type definition and introspection

Breaking Changes:

  • Splat style positional arguments support, deprecated in 2.0.0, has been dropped

Bug Fixes:

  • [RUBY-93] Reconnection can overflow the stack

2.0.1

Bug Fixes:

  • [RUBY-87] Decoder corrupts incomplete response buffer

2.0.0

Features:

  • Refactored coding layer to support native protocol v3

Breaking Changes:

  • Positional arguments are passed in :arguments option to Session#execute

1.2.0

Bug Fixes:

  • [RUBY-83] Timestamps loses microseconds when retrieved from database
  • [RUBY-85] Driver doesn't always reconnect

1.1.1

Bug Fixes:

  • [RUBY-75] Raise error when Batch Statement executed against Cassandra < 2.0
  • [RUBY-76] Cassandra::Future.all doesn't return a future
  • [RUBY-77] Re-introduce Cassandra::Future.promise

1.1.0

Features:

  • Added Cassandra::LoadBalancing::Policy#teardown
  • Allow disabling of automatic schema metadata synchronization
  • Allow manually refreshing schema metadata
  • Schema change events processing improvement
  • Added host list randomization to prevent hotspots between multiple clients
  • Future listeners don't block the reactor

Bug Fixes:

  • [RUBY-72] Reactor hangs when retrieving trace inside future listener
  • [RUBY-73] Invalid index in load balancing plan after cluster resize
  • [RUBY-74] Handle partial disconnects

1.0.0

Features:

  • Added Cassandra.cluster_async
  • Removed unused left-over code from cql-rb
  • Add verification of types of parameters when binding a prepared statement

Bug Fixes:

  • [RUBY-51] Clear current keyspace in all sessions upon deletion

Breaking Changes:

  • Removed cql string interpolation of positional arguments for cassandra < 2.0

1.0.0.rc.1

Features:

  • Token Aware Data Center Aware Round Robin load balancing is used by default
  • Automatic detection of broken connections using heartbeats
  • Improved exception class hierarchy and documentation
  • Configurable node address resolution with EC2 multi-region support

Bug fixes:

  • [RUBY-34] handle empty values without crashing
  • [RUBY-41] prevent connections to ignored hosts
  • [RUBY-44] and [RUBY-43] correctly escape capitalized keyspaces
  • [RUBY-48] handle control connection errors with a backoff and retry
  • [RUBY-49] fix bug in Future.all

Breaking changes:

  • Most of the error classes have changed, Cassandra::Errors::QueryError removed
  • Connections to hosts in remote datacenters will be disabled by default
  • Cassandra.connect has been renamed to Cassandra.cluster to avoid confusion
  • Cassandra::TimeUuid::Generator renamed to Cassandra::Uuid::Generator and api has been changed
  • Default consistency level has been changed from :quorum to :one
  • Default request execution timeout of 10 seconds has been set

1.0.0.beta.3

Bug fixes:

  • [RUBY-35] handle ghost entries in system.peers table (CASSANDRA-7825)

1.0.0.beta.2

Features:

  • TokenAware load balancing policy
  • Domain names
  • SSL encryption

Bug fixes:

  • [RUBY-8] correctly update host status when down/up events received immediately after each other

Breaking changes:

  • Cassandra::LoadBalancing::Policy#setup is required to be implemented.
  • Cassandra::Cluster#each_host, Cassandra::Cluster#each_keyspace, Cassandra::Keyspace#each_table and Cassandra::Table#each_column return Array or self.

1.0.0.beta.1

Features:

  • Fully asynchronous API
  • Single cluster, multiple sessions
  • New statements API (Simple, Prepared, Bound and Batch)
  • Per-request execution information and tracing
  • Base set of policies for load balancing, retry and reconnection as well as ability to write your own
  • Host and Schema metadata and state listeners