keys.rb in mongo_mapper-0.15.0

- old
+ new

@@ -294,11 +294,11 @@
           end
         end
       end
 
       def to_mongo(include_abbreviatons = true)
-        BSON::OrderedHash.new.tap do |attrs|
+        Hash.new.tap do |attrs|
           self.class.unaliased_keys.each do |name, key|
             value = self.read_key(key.name)
             if key.type == ObjectId || !value.nil?
               attrs[include_abbreviatons && key.persisted_name || name] = key.set(value)
             end
@@ -447,10 +447,9 @@
           end
           instance_variable_set key.ivar, as_typecast
         else
           @_dynamic_attributes[key.name.to_sym] = as_typecast
         end
-        @attributes = nil
         value
       end
 
       def dynamic_key(name)
         self.class.key(name, :__dynamic => true)