diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods')
-rw-r--r-- | activerecord/lib/active_record/attribute_methods/dirty.rb | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index 4e32b78e34..be438aba95 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -55,7 +55,7 @@ module ActiveRecord # optimistic locking) won't get written unless they get marked as changed self.class.columns.each do |c| attr, orig_value = c.name, c.default - changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value, @raw_attributes[attr]) + changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value) end end @@ -63,19 +63,26 @@ module ActiveRecord def write_attribute(attr, value) attr = attr.to_s - save_changed_attribute(attr, value) + old_value = old_attribute_value(attr) - super(attr, value) + result = super(attr, value) + save_changed_attribute(attr, old_value) + result end - def save_changed_attribute(attr, value) - # The attribute already has an unsaved change. + def save_changed_attribute(attr, old_value) if attribute_changed?(attr) - old = changed_attributes[attr] - changed_attributes.delete(attr) unless _field_changed?(attr, old, value) + changed_attributes.delete(attr) unless _field_changed?(attr, old_value) else - old = clone_attribute_value(:read_attribute, attr) - changed_attributes[attr] = old if _field_changed?(attr, old, value) + changed_attributes[attr] = old_value if _field_changed?(attr, old_value) + end + end + + def old_attribute_value(attr) + if attribute_changed?(attr) + changed_attributes[attr] + else + clone_attribute_value(:read_attribute, attr) end end @@ -93,8 +100,10 @@ module ActiveRecord changed end - def _field_changed?(attr, old, value) - column_for_attribute(attr).changed?(old, value) + def _field_changed?(attr, old_value) + new_value = read_attribute(attr) + raw_value = read_attribute_before_type_cast(attr) + column_for_attribute(attr).changed?(old_value, new_value, raw_value) end end end |