2 files changed, 21 insertions, 4 deletions
diff --git a/lib/arel/algebra/relations/relation.rb b/lib/arel/algebra/relations/relation.rb
index 6d76e66638..fe8cab4b02 100644
--- a/lib/arel/algebra/relations/relation.rb
+++ b/lib/arel/algebra/relations/relation.rb
@@ -14,10 +14,6 @@ module Arel
       self
     end
 
-    def root
-      self
-    end
-
     module Enumerable
       include ::Enumerable
 
diff --git a/lib/arel/algebra/relations/row.rb b/lib/arel/algebra/relations/row.rb
new file mode 100644
index 0000000000..2d63498452
--- /dev/null
+++ b/lib/arel/algebra/relations/row.rb
@@ -0,0 +1,21 @@
+module Arel
+  class Row
+    attributes :relation, :tuple
+    deriving :==, :initialize
+    
+    def [](attribute)
+      tuple[relation.position_of(attribute)]
+    end
+    
+    def slice(*attributes)
+      Row.new(relation, attributes.inject([]) do |cheese, attribute|
+        cheese << self[attribute]
+        cheese
+      end)
+    end
+    
+    def bind(relation)
+      Row.new(relation, tuple)
+    end
+  end
+end
+\ No newline at end of file