lib/arel/visitors/join_sql.rb in arel-2.0.1 vs lib/arel/visitors/join_sql.rb in arel-2.0.2

@@ -7,9 +7,11 @@
     #   http://www.sqlite.org/syntaxdiagrams.html#join-source
     #
     # This visitor is used in SelectManager#join_sql and is for backwards
     # compatibility with Arel V1.0
     class JoinSql < Arel::Visitors::ToSql
+      private
+
       def visit_Arel_Nodes_SelectCore o
         [o.froms].grep(Nodes::Join).map { |x| visit x }.join ', '
       end
 
       def visit_Arel_Nodes_StringJoin o