diff options
Diffstat (limited to 'activerecord')
8 files changed, 135 insertions, 36 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index f0ae0050a7..ed076c04bb 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,17 @@ +* Polymorphic belongs_to associations with the `touch: true` option set update the timestamps of + the old and new owner correctly when moved between owners of different types. + + Example: + + class Rating < ActiveRecord::Base + belongs_to :rateable, polymorphic: true, touch: true + end + + rating = Rating.create rateable: Song.find(1) + rating.update_attributes rateable: Book.find(2) # => timestamps of Song(1) and Book(2) are updated + + *Severin Schoepke* + * Improve formatting of migration exception messages: make them easier to read with line breaks before/after, and improve the error for pending migrations. @@ -772,11 +786,11 @@ *Neeraj Singh* -* Removed deprecated method `scoped` +* Removed deprecated method `scoped`. *Neeraj Singh* -* Removed deprecated method `default_scopes?` +* Removed deprecated method `default_scopes?`. *Neeraj Singh* @@ -811,7 +825,7 @@ *Jon Leighton* -* Remove `activerecord-deprecated_finders` as a dependency +* Remove `activerecord-deprecated_finders` as a dependency. *Łukasz Strzałkowski* diff --git a/activerecord/activerecord.gemspec b/activerecord/activerecord.gemspec index e1c5b05c36..d397c9e016 100644 --- a/activerecord/activerecord.gemspec +++ b/activerecord/activerecord.gemspec @@ -24,5 +24,5 @@ Gem::Specification.new do |s| s.add_dependency 'activesupport', version s.add_dependency 'activemodel', version - s.add_dependency 'arel', '~> 5.0.0' + s.add_dependency 'arel', '~> 5.0.0' end diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index ac387d377d..e8e36e7cd0 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -91,7 +91,13 @@ module ActiveRecord::Associations::Builder old_foreign_id = o.changed_attributes[foreign_key] if old_foreign_id - klass = o.association(name).klass + association = o.association(name) + reflection = association.reflection + if reflection.polymorphic? + klass = o.public_send("#{reflection.foreign_type}_was").constantize + else + klass = association.klass + end old_record = klass.find_by(klass.primary_key => old_foreign_id) if old_record diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 3924eec872..217fc52dd5 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -128,6 +128,16 @@ module ActiveRecord end end + def find_generated_attribute_method(method_name) # :nodoc: + klass = self + until klass == Base + gen_methods = klass.generated_attribute_methods + return gen_methods.instance_method(method_name) if method_defined_within?(method_name, gen_methods, Object) + klass = klass.superclass + end + nil + end + # Returns +true+ if +attribute+ is an attribute method and table exists, # +false+ otherwise. # @@ -163,7 +173,14 @@ module ActiveRecord def method_missing(method, *args, &block) # :nodoc: self.class.define_attribute_methods if respond_to_without_attributes?(method) - send(method, *args, &block) + # make sure to invoke the correct attribute method, as we might have gotten here via a `super` + # call in a overwritten attribute method + if attribute_method = self.class.find_generated_attribute_method(method) + # this is probably horribly slow, but should only happen at most once for a given AR class + attribute_method.bind(self).call(*args, &block) + else + send(method, *args, &block) + end else super end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 5dc70a5ad1..571257f6dd 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -172,7 +172,7 @@ module ActiveRecord def columns(table_name) # Limit, precision, and scale are all handled by the superclass. column_definitions(table_name).map do |column_name, type, default, notnull, oid, fmod| - oid = OID::TYPE_MAP.fetch(oid.to_i, fmod.to_i) { + oid = type_map.fetch(oid.to_i, fmod.to_i) { OID::Identity.new } PostgreSQLColumn.new(column_name, default, oid, type, notnull == 'f') diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index adeb57d913..1ec1490263 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -565,7 +565,8 @@ module ActiveRecord raise "Your version of PostgreSQL (#{postgresql_version}) is too old, please upgrade!" end - initialize_type_map + @type_map = OID::TypeMap.new + initialize_type_map(type_map) @local_tz = execute('SHOW TIME ZONE', 'SCHEMA').first["TimeZone"] @use_insert_returning = @config.key?(:insert_returning) ? self.class.type_cast_config_to_boolean(@config[:insert_returning]) : true end @@ -738,39 +739,43 @@ module ActiveRecord private + def type_map + @type_map + end + def reload_type_map - OID::TYPE_MAP.clear - initialize_type_map + type_map.clear + initialize_type_map(type_map) end - def initialize_type_map + def initialize_type_map(type_map) result = execute('SELECT oid, typname, typelem, typdelim, typinput FROM pg_type', 'SCHEMA') leaves, nodes = result.partition { |row| row['typelem'] == '0' } # populate the leaf nodes leaves.find_all { |row| OID.registered_type? row['typname'] }.each do |row| - OID::TYPE_MAP[row['oid'].to_i] = OID::NAMES[row['typname']] + type_map[row['oid'].to_i] = OID::NAMES[row['typname']] end arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' } # populate composite types - nodes.find_all { |row| OID::TYPE_MAP.key? row['typelem'].to_i }.each do |row| + nodes.find_all { |row| type_map.key? row['typelem'].to_i }.each do |row| if OID.registered_type? row['typname'] # this composite type is explicitly registered vector = OID::NAMES[row['typname']] else # use the default for composite types - vector = OID::Vector.new row['typdelim'], OID::TYPE_MAP[row['typelem'].to_i] + vector = OID::Vector.new row['typdelim'], type_map[row['typelem'].to_i] end - OID::TYPE_MAP[row['oid'].to_i] = vector + type_map[row['oid'].to_i] = vector end # populate array types - arrays.find_all { |row| OID::TYPE_MAP.key? row['typelem'].to_i }.each do |row| - array = OID::Array.new OID::TYPE_MAP[row['typelem'].to_i] - OID::TYPE_MAP[row['oid'].to_i] = array + arrays.find_all { |row| type_map.key? row['typelem'].to_i }.each do |row| + array = OID::Array.new type_map[row['typelem'].to_i] + type_map[row['oid'].to_i] = array end end diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb index 9c66ed354e..6c581a432f 100644 --- a/activerecord/test/cases/attribute_methods_test.rb +++ b/activerecord/test/cases/attribute_methods_test.rb @@ -767,8 +767,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase # that by defining a 'foo' method in the generated methods module for B. # (That module will be inserted between the two, e.g. [B, <GeneratedAttributes>, A].) def test_inherited_custom_accessors - klass = Class.new(ActiveRecord::Base) do - self.table_name = "topics" + klass = new_topic_like_ar_class do self.abstract_class = true def title; "omg"; end def title=(val); self.author_name = val; end @@ -783,8 +782,40 @@ class AttributeMethodsTest < ActiveRecord::TestCase assert_equal "lol", topic.author_name end + def test_on_the_fly_super_invokable_generated_attribute_methods_via_method_missing + klass = new_topic_like_ar_class do + def title + super + '!' + end + end + + real_topic = topics(:first) + assert_equal real_topic.title + '!', klass.find(real_topic.id).title + end + + def test_on_the_fly_super_invokable_generated_predicate_attribute_methods_via_method_missing + klass = new_topic_like_ar_class do + def title? + !super + end + end + + real_topic = topics(:first) + assert_equal !real_topic.title?, klass.find(real_topic.id).title? + end + private + def new_topic_like_ar_class(&block) + klass = Class.new(ActiveRecord::Base) do + self.table_name = 'topics' + class_eval(&block) + end + + assert_empty klass.generated_attribute_methods.instance_methods(false) + klass + end + def cached_columns Topic.columns.map(&:name) - Topic.serialized_attributes.keys end diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb index 2953b2b2be..717e0e1866 100644 --- a/activerecord/test/cases/timestamp_test.rb +++ b/activerecord/test/cases/timestamp_test.rb @@ -272,36 +272,62 @@ class TimestampTest < ActiveRecord::TestCase assert_not_equal time, old_pet.updated_at end - def test_changing_parent_of_a_record_touches_both_new_and_old_polymorphic_parent_record - klass = Class.new(ActiveRecord::Base) do - def self.name; 'Toy'; end + def test_changing_parent_of_a_record_touches_both_new_and_old_polymorphic_parent_record_changes_within_same_class + car_class = Class.new(ActiveRecord::Base) do + def self.name; 'Car'; end end - wheel_klass = Class.new(ActiveRecord::Base) do + wheel_class = Class.new(ActiveRecord::Base) do def self.name; 'Wheel'; end belongs_to :wheelable, :polymorphic => true, :touch => true end - toy1 = klass.find(1) - toy2 = klass.find(2) + car1 = car_class.find(1) + car2 = car_class.find(2) - wheel = wheel_klass.new - wheel.wheelable = toy1 - wheel.save! + wheel = wheel_class.create!(wheelable: car1) time = 3.days.ago.at_beginning_of_hour - toy1.update_columns(updated_at: time) - toy2.update_columns(updated_at: time) + car1.update_columns(updated_at: time) + car2.update_columns(updated_at: time) - wheel.wheelable = toy2 + wheel.wheelable = car2 wheel.save! - toy1.reload - toy2.reload + assert_not_equal time, car1.reload.updated_at + assert_not_equal time, car2.reload.updated_at + end + + def test_changing_parent_of_a_record_touches_both_new_and_old_polymorphic_parent_record_changes_with_other_class + car_class = Class.new(ActiveRecord::Base) do + def self.name; 'Car'; end + end + + toy_class = Class.new(ActiveRecord::Base) do + def self.name; 'Toy'; end + end + + wheel_class = Class.new(ActiveRecord::Base) do + def self.name; 'Wheel'; end + belongs_to :wheelable, :polymorphic => true, :touch => true + end + + car = car_class.find(1) + toy = toy_class.find(3) + + wheel = wheel_class.create!(wheelable: car) + + time = 3.days.ago.at_beginning_of_hour + + car.update_columns(updated_at: time) + toy.update_columns(updated_at: time) + + wheel.wheelable = toy + wheel.save! - assert_not_equal time, toy1.updated_at - assert_not_equal time, toy2.updated_at + assert_not_equal time, car.reload.updated_at + assert_not_equal time, toy.reload.updated_at end def test_clearing_association_touches_the_old_record |