diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods')
3 files changed, 46 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index 19e81abba5..8a1b199997 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -38,11 +38,37 @@ 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 + save_changed_attribute(attr, value) + + super(attr, value) + end + + def save_changed_attribute(attr, value) # The attribute already has an unsaved change. if attribute_changed?(attr) old = changed_attributes[attr] @@ -51,9 +77,6 @@ module ActiveRecord old = clone_attribute_value(:read_attribute, attr) changed_attributes[attr] = old if _field_changed?(attr, old, value) end - - # Carry on. - super(attr, value) end def update_record(*) @@ -67,7 +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/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index c152a246b5..d01e9aea59 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -102,7 +102,7 @@ module ActiveRecord end # Returns the value of the attribute identified by <tt>attr_name</tt> after - # it has been typecast (for example, "2004-12-12" in a data column is cast + # it has been typecast (for example, "2004-12-12" in a date column is cast # to a date object, like Date.new(2004, 12, 12)). def read_attribute(attr_name) # If it's cached, just return it diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb index d484659190..67abbbc2a0 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) @@ -156,6 +164,16 @@ module ActiveRecord super end end + + def attributes_for_coder + attribute_names.each_with_object({}) do |name, attrs| + attrs[name] = if self.class.serialized_attributes.include?(name) + @attributes[name].serialized_value + else + read_attribute(name) + end + end + end end end end |