lib/arel/engines/sql/relations/operations/join.rb in arel-0.3.1 vs lib/arel/engines/sql/relations/operations/join.rb in arel-0.3.2

@@ -1,6 +1,6 @@
 module Arel
-  class Join < Relation
+  class Join
     def table_sql(formatter = Sql::TableReference.new(self))
       relation1.externalize.table_sql(formatter)
     end
 
     def joins(environment, formatter = Sql::TableReference.new(environment))