/ Ruby on Rails
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method

save_changed_attribute

rails latest stable - Class: ActiveRecord::AttributeMethods::Dirty

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.2.9) is shown here.

save_changed_attribute(attr, old_value)
private

No documentation available.

# File activerecord/lib/active_record/attribute_methods/dirty.rb, line 111
      def save_changed_attribute(attr, old_value)
        clear_changed_attributes_cache
        if attribute_changed_by_setter?(attr)
          clear_attribute_changes(attr) unless _field_changed?(attr, old_value)
        else
          set_attribute_was(attr, old_value) if _field_changed?(attr, old_value)
        end
      end