Update Cassandra connector documentation
@@ -4,6 +4,11 @@ Cassandra Connector
The Cassandra connector allows querying data stored in Cassandra.
+Compatibility
+-------------
+
+Connector is compatible with all Cassandra versions starting from 2.1.5.
+
Configuration
-------------
@@ -79,6 +84,11 @@ Property Name Description
of the user who is connected to Presto.
================================================== ======================================================================
+.. note::
+
+ If authorization is enabled, ``cassandra.username`` must have enough permissions to perform ``SELECT`` queries on
+ the ``system.size_estimates`` table.
+
.. _Cassandra consistency: http://www.datastax.com/documentation/cassandra/2.0/cassandra/dml/dml_config_consistency_c.html
The following advanced configuration properties are available:
