diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods')
-rw-r--r-- | activerecord/lib/active_record/attribute_methods/dirty.rb | 22 | ||||
-rw-r--r-- | activerecord/lib/active_record/attribute_methods/serialization.rb | 8 |
2 files changed, 29 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index 68168bb729..8a1b199997 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -38,7 +38,27 @@ module ActiveRecord end end + def initialize_dup(other) # :nodoc: + super + init_changed_attributes + end + private + def initialize_internals_callback + super + init_changed_attributes + end + + def init_changed_attributes + @changed_attributes = nil + # Intentionally avoid using #column_defaults since overridden defaults (as is done in + # 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, @attributes[attr]) + end + end + # Wrap write_attribute to remember original attribute value. def write_attribute(attr, value) attr = attr.to_s @@ -70,7 +90,7 @@ module ActiveRecord # Serialized attributes should always be written in case they've been # changed in place. def keys_for_partial_write - changed | (attributes.keys & self.class.serialized_attributes.keys) + changed end def _field_changed?(attr, old, value) diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb index d484659190..3227464032 100644 --- a/activerecord/lib/active_record/attribute_methods/serialization.rb +++ b/activerecord/lib/active_record/attribute_methods/serialization.rb @@ -115,6 +115,14 @@ module ActiveRecord end end + def should_record_timestamps? + super || (self.record_timestamps && (attributes.keys & self.class.serialized_attributes.keys).present?) + end + + def keys_for_partial_write + super | (attributes.keys & self.class.serialized_attributes.keys) + end + def type_cast_attribute_for_write(column, value) if column && coder = self.class.serialized_attributes[column.name] Attribute.new(coder, value, :unserialized) |