1 files changed, 8 insertions, 3 deletions
diff --git a/lib/arel/engines/memory/relations/array.rb b/lib/arel/engines/memory/relations/array.rb
index 5e7c0a4ab1..577e327b19 100644
--- a/lib/arel/engines/memory/relations/array.rb
+++ b/lib/arel/engines/memory/relations/array.rb
@@ -1,16 +1,21 @@
 module Arel
   class Array < Relation
-    attributes :array,  :attribute_names
+    attributes :array,  :attribute_names_and_types
     include Recursion::BaseCase
     deriving :==, :initialize
 
+    def initialize(array, attribute_names_and_types)
+      @array, @attribute_names_and_types = array, attribute_names_and_types
+    end
+
     def engine
       @engine ||= Memory::Engine.new
     end
 
     def attributes
-      @attributes ||= @attribute_names.collect do |name|
-        name.to_attribute(self)
+      @attributes ||= @attribute_names_and_types.collect do |attribute, type|
+        attribute = type.new(self, attribute) if Symbol === attribute
+        attribute
       end
     end