method
attribute_previous_change
rails latest stable - Class:
ActiveModel::Dirty
attribute_previous_change(attr_name)private
Dispatch target for *_previous_change attribute methods.
- *_change
- *_changed?
- *_previous_change
- *_previously_changed?
- *_previously_was
- *_was
- *_will_change!
- as_json
- attribute_changed?
- attribute_changed_in_place?
- attribute_previously_changed?
- attribute_previously_was
- attribute_was
- changed
- changed?
- changed_attributes
- changes
- changes_applied
- clear_attribute_changes
- clear_changes_information
- initialize_dup
- previous_changes
- restore_*!
- restore_attributes
-
attribute_change - attribute_previous_change
- attribute_will_change!
- clear_attribute_change
- forget_attribute_assignments
- init_internals
- mutations_before_last_save
- mutations_from_database
- restore_attribute!