use OO to avoid meta programming

1 files changed, 5 insertions, 6 deletions

diff --git a/lib/arel/algebra/ordering.rb b/lib/arel/algebra/ordering.rb
index 8439e937a9..984327aaf7 100644
--- a/lib/arel/algebra/ordering.rb
+++ b/lib/arel/algebra/ordering.rb
@@ -1,5 +1,5 @@
 module Arel
-  class Ordering
+  class Ordering < Struct.new(:attribute)
     delegate :relation, :to => :attribute
 
     def bind(relation)
@@ -9,15 +9,14 @@ module Arel
     def to_ordering
       self
     end
+
+    def == other
+      super || (self.class === other && attribute == other.attribute)
+    end
   end
 
   class Ascending  < Ordering
-    attributes :attribute
-    deriving :initialize, :==
   end
-
   class Descending < Ordering
-    attributes :attribute
-    deriving :initialize, :==
   end
 end