diff options
| -rw-r--r-- | activerecord/CHANGELOG.md | 20 | ||||
| -rw-r--r-- | activerecord/lib/active_record/associations/builder/belongs_to.rb | 13 | ||||
| -rw-r--r-- | activerecord/test/cases/timestamp_test.rb | 46 |
3 files changed, 78 insertions, 1 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 66c73bfe0f..d47a23b8f5 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -110,6 +110,26 @@ *Neeraj Singh* +* `belongs_to :touch` behavior now touches old association when + transitioning to new association. + + class Passenger < ActiveRecord::Base + belongs_to :car, touch: true + end + + car_1 = Car.create + car_2 = Car.create + + passenger = Passenger.create car: car_1 + + passenger.car = car_2 + passenger.save + + Previously only car_2 would be touched. Now both car_1 and car_2 + will be touched. + + *Adam Gamble* + * Extract and deprecate Firebird / Sqlserver / Oracle database tasks, because These tasks should be supported by 3rd-party adapter. diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index c3026dc23c..092230b2f7 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -67,8 +67,19 @@ module ActiveRecord::Associations::Builder def add_touch_callbacks(reflection) mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1 def belongs_to_touch_after_save_or_destroy_for_#{name} - record = #{name} + foreign_key_field = #{reflection.foreign_key.inspect} + old_foreign_id = attribute_was(foreign_key_field) + + if old_foreign_id + reflection_klass = #{reflection.klass} + old_record = reflection_klass.find_by(reflection_klass.primary_key => old_foreign_id) + + if old_record + old_record.touch #{options[:touch].inspect if options[:touch] != true} + end + end + record = #{name} unless record.nil? || record.new_record? record.touch #{options[:touch].inspect if options[:touch] != true} end diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb index 777a2b70dd..9d84f64c96 100644 --- a/activerecord/test/cases/timestamp_test.rb +++ b/activerecord/test/cases/timestamp_test.rb @@ -176,6 +176,52 @@ class TimestampTest < ActiveRecord::TestCase assert_not_equal time, owner.updated_at end + def test_changing_parent_of_a_record_touches_both_new_and_old_parent_record + klass = Class.new(ActiveRecord::Base) do + def self.name; 'Toy'; end + belongs_to :pet, touch: true + end + + toy1 = klass.find(1) + old_pet = toy1.pet + + toy2 = klass.find(2) + new_pet = toy2.pet + time = 3.days.ago.at_beginning_of_hour + + old_pet.update_columns(updated_at: time) + new_pet.update_columns(updated_at: time) + + toy1.pet = new_pet + toy1.save! + + old_pet.reload + new_pet.reload + + assert_not_equal time, new_pet.updated_at + assert_not_equal time, old_pet.updated_at + end + + def test_clearing_association_touches_the_old_record + klass = Class.new(ActiveRecord::Base) do + def self.name; 'Toy'; end + belongs_to :pet, touch: true + end + + toy = klass.find(1) + pet = toy.pet + time = 3.days.ago.at_beginning_of_hour + + pet.update_columns(updated_at: time) + + toy.pet = nil + toy.save! + + pet.reload + + assert_not_equal time, pet.updated_at + end + def test_timestamp_attributes_for_create toy = Toy.first assert_equal toy.send(:timestamp_attributes_for_create), [:created_at, :created_on] |