diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods')
| -rw-r--r-- | activerecord/lib/active_record/attribute_methods/dirty.rb | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index b0e1391cb9..31c1e687dc 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -275,7 +275,17 @@ module ActiveRecord def attribute_will_change!(attr_name) super - mutations_from_database.force_change(attr_name) + if self.class.has_attribute?(attr_name) + mutations_from_database.force_change(attr_name) + else + ActiveSupport::Deprecation.warn(<<-EOW.squish) + #{attr_name} is not an attribute known to Active Record. + This behavior is deprecated and will be removed in the next + version of Rails. If you'd like #{attr_name} to be managed + by Active Record, add `attribute :#{attr_name} to your class. + EOW + mutations_from_database.deprecated_force_change(attr_name) + end end def _update_record(*) |