Method: ActiveRecord::AttributeMethods::Dirty#changed_attribute_names_to_save

Defined in:

lib/active_record/attribute_methods/dirty.rb

#changed_attribute_names_to_save ⇒ Object

Returns an array of the names of any attributes that will change when the record is next saved.

# File 'lib/active_record/attribute_methods/dirty.rb', line 181

def changed_attribute_names_to_save
  mutations_from_database.changed_attribute_names
end