1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute.rb b/activerecord/lib/active_record/attribute.rb
index 88536eaac0..51e4fae62e 100644
--- a/activerecord/lib/active_record/attribute.rb
+++ b/activerecord/lib/active_record/attribute.rb
@@ -74,6 +74,10 @@ module ActiveRecord
       true
     end
 
+    def came_from_user?
+      false
+    end
+
     def ==(other)
       self.class == other.class &&
         name == other.name &&
@@ -99,6 +103,10 @@ module ActiveRecord
       def type_cast(value)
         type.type_cast_from_user(value)
       end
+
+      def came_from_user?
+        true
+      end
     end
 
     class WithCastValue < Attribute # :nodoc: