Determines which filter predicates can be pushed down to Cassandra.
Store data source options
Cassandra data source extends RelationProvider, SchemaRelationProvider and CreatableRelationProvider.
A unified API for predicates, used by BasicCassandraPredicatePushDown.
Store table name, keyspace name and option cluster name, keyspace is equivalent to database
A data frame format used to access Cassandra through Connector
Convert Cassandra data type to Catalyst data type
PredicateOps adapters for Expression and Filter classes
Returns a map of options which configure the path to Cassandra table as well as whether pushdown is enabled or not