just use the list of column names to generate attribute methods

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index 4f4a0a5fee..2c5db51f7f 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -10,7 +10,7 @@ module ActiveRecord
       # Generates all the attribute related methods for columns in the database
       # accessors, mutators and query methods.
       def define_attribute_methods
-        super(columns_hash.keys)
+        super(column_names)
       end
 
       # Checks whether the method is defined in the model or any of its subclasses