From c47c3ff918f00e26926fca574614f1bd56c7dcfd Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Tue, 27 Jul 2010 21:10:23 -0700
Subject: faster method lookup again

---
 lib/arel/algebra/relations/relation.rb | 51 ++++++++++++++++------------------
 1 file changed, 24 insertions(+), 27 deletions(-)

(limited to 'lib')

diff --git a/lib/arel/algebra/relations/relation.rb b/lib/arel/algebra/relations/relation.rb
index 9936b9689f..9cb38218c0 100644
--- a/lib/arel/algebra/relations/relation.rb
+++ b/lib/arel/algebra/relations/relation.rb
@@ -172,40 +172,37 @@ module Arel
     end
     include Operable
 
-    module AttributeAccessable
-      def [](index)
-        attributes[index]
-      end
+    def [](index)
+      attributes[index]
+    end
 
-      def find_attribute_matching_name(name)
-        attributes.detect { |a| a.named?(name) } || Attribute.new(self, name)
-      end
+    def find_attribute_matching_name(name)
+      attributes.detect { |a| a.named?(name) } || Attribute.new(self, name)
+    end
 
-      def find_attribute_matching_attribute(attribute)
-        matching_attributes(attribute).max do |a1, a2|
-          (a1.original_attribute / attribute) <=> (a2.original_attribute / attribute)
-        end
+    def find_attribute_matching_attribute(attribute)
+      matching_attributes(attribute).max do |a1, a2|
+        (a1.original_attribute / attribute) <=> (a2.original_attribute / attribute)
       end
+    end
 
-      def position_of(attribute)
-        (@position_of ||= Hash.new do |h, attribute|
-          h[attribute] = attributes.index(self[attribute])
-        end)[attribute]
-      end
+    def position_of(attribute)
+      (@position_of ||= Hash.new do |h, attribute|
+        h[attribute] = attributes.index(self[attribute])
+      end)[attribute]
+    end
 
-      private
-      def matching_attributes(attribute)
-        (@matching_attributes ||= attributes.inject({}) do |hash, a|
-          (hash[a.is_a?(Value) ? a.value : a.root] ||= []) << a
-          hash
-        end)[attribute.root] || []
-      end
+    private
+    def matching_attributes(attribute)
+      (@matching_attributes ||= attributes.inject({}) do |hash, a|
+        (hash[a.is_a?(Value) ? a.value : a.root] ||= []) << a
+        hash
+      end)[attribute.root] || []
+    end
 
-      def has_attribute?(attribute)
-        !matching_attributes(attribute).empty?
-      end
+    def has_attribute?(attribute)
+      !matching_attributes(attribute).empty?
     end
-    include AttributeAccessable
 
     module DefaultOperations
       def attributes;             Header.new  end
-- 
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