1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb
index 3bc749dabf..1fe5d9de20 100644
--- a/activerecord/lib/active_record/attribute_methods/serialization.rb
+++ b/activerecord/lib/active_record/attribute_methods/serialization.rb
@@ -18,6 +18,10 @@ module ActiveRecord
         def type_cast(value)
           value.unserialized_value
         end
+
+        def type
+          @column.type
+        end
       end
 
       class Attribute < Struct.new(:coder, :value, :state)