Allows to execute SQL queries against Cassandra and access results as
SchemaRDD
collections.
Store data source options
Cassandra data source extends RelationProvider, SchemaRelationProvider and CreatableRelationProvider.
A unified API for predicates, used by PredicatePushDown.
Determines which filter predicates can be pushed down to Cassandra.
Store table name, keyspace name and option cluster name, keyspace is equivalent to database
Convert Cassandra data type to Catalyst data type
Provides PredicateOps
adapters for Expression and Filter classes