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CHANGELOG.md

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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