RUBY-220 - Plumbing to support custom types: serializing and deserializing custom domain objects defined by the client.

* Handle custom types in cql_type_parser.

Author: stamhankar999

lib/cassandra/cluster/schema/cql_type_parser.rb

@@ -72,6 +72,9 @@ def lookup_type(node, types)
             Cassandra::Types.tuple(*node.children.map { |t| lookup_type(t, types)})
           when 'empty'             then
             Cassandra::Types.custom('org.apache.cassandra.db.marshal.EmptyType')
+          when /^'/ then
+            # Custom type.
+            Cassandra::Types.custom(node.name[1..-2])
           else
             types.fetch(node.name) do
               raise IncompleteTypeError, "unable to lookup type #{node.name.inspect}"