diff options
Diffstat (limited to 'activerecord')
6 files changed, 57 insertions, 21 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index f6cd5efb45..6d4ea2b682 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,10 @@ +* Fix `stored_attributes` to correctly merge the details of stored + attributes defined in parent classes. + + Fixes #14672. + + *Brad Bennett*, *Jessica Yao*, *Lakshmi Parthasarathy* + * `change_column_default` allows `[]` as argument to `change_column_default`. Fixes #11586. diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 48628230c7..caf4e612f9 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -194,7 +194,7 @@ module ActiveRecord options[:dependent] end - delete_records(:all, dependent).tap do + delete_or_nullify_all_records(dependent).tap do reset loaded! end diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index aac85a36c8..f5e911c739 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -105,23 +105,27 @@ module ActiveRecord } end + def delete_count(method, scope) + if method == :delete_all + scope.delete_all + else + scope.update_all(reflection.foreign_key => nil) + end + end + + def delete_or_nullify_all_records(method) + count = delete_count(method, self.scope) + update_counter(-count) + end + # Deletes the records according to the <tt>:dependent</tt> option. def delete_records(records, method) if method == :destroy records.each(&:destroy!) update_counter(-records.length) unless inverse_updates_counter_cache? else - if records == :all || !reflection.klass.primary_key - scope = self.scope - else - scope = self.scope.where(reflection.klass.primary_key => records) - end - - if method == :delete_all - update_counter(-scope.delete_all) - else - update_counter(-scope.update_all(reflection.foreign_key => nil)) - end + scope = self.scope.where(reflection.klass.primary_key => records) + update_counter(-delete_count(method, scope)) end end diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index aeb77e2753..35ad512537 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -130,13 +130,13 @@ module ActiveRecord end end + def delete_or_nullify_all_records(method) + delete_records(load_target, method) + end + def delete_records(records, method) ensure_not_nested - # This is unoptimised; it will load all the target records - # even when we just want to delete everything. - records = load_target if records == :all - scope = through_association.scope scope.where! construct_join_attributes(*records) diff --git a/activerecord/lib/active_record/store.rb b/activerecord/lib/active_record/store.rb index 79a6ccbda0..7014bc6d45 100644 --- a/activerecord/lib/active_record/store.rb +++ b/activerecord/lib/active_record/store.rb @@ -66,8 +66,9 @@ module ActiveRecord extend ActiveSupport::Concern included do - class_attribute :stored_attributes, instance_accessor: false - self.stored_attributes = {} + class << self + attr_accessor :local_stored_attributes + end end module ClassMethods @@ -93,9 +94,9 @@ module ActiveRecord # assign new store attribute and create new hash to ensure that each class in the hierarchy # has its own hash of stored attributes. - self.stored_attributes = {} if self.stored_attributes.blank? - self.stored_attributes[store_attribute] ||= [] - self.stored_attributes[store_attribute] |= keys + self.local_stored_attributes ||= {} + self.local_stored_attributes[store_attribute] ||= [] + self.local_stored_attributes[store_attribute] |= keys end def _store_accessors_module @@ -105,6 +106,14 @@ module ActiveRecord mod end end + + def stored_attributes + parent = superclass.respond_to?(:stored_attributes) ? superclass.stored_attributes : {} + if self.local_stored_attributes + parent.merge!(self.local_stored_attributes) { |k, a, b| a | b } + end + parent + end end protected diff --git a/activerecord/test/cases/store_test.rb b/activerecord/test/cases/store_test.rb index 978cee9cfb..6a34c55011 100644 --- a/activerecord/test/cases/store_test.rb +++ b/activerecord/test/cases/store_test.rb @@ -163,6 +163,22 @@ class StoreTest < ActiveRecord::TestCase assert_equal [:width, :height], second_model.stored_attributes[:data] end + test "stored_attributes are tracked per subclass" do + first_model = Class.new(ActiveRecord::Base) do + store_accessor :data, :color + end + second_model = Class.new(first_model) do + store_accessor :data, :width, :height + end + third_model = Class.new(first_model) do + store_accessor :data, :area, :volume + end + + assert_equal [:color], first_model.stored_attributes[:data] + assert_equal [:color, :width, :height], second_model.stored_attributes[:data] + assert_equal [:color, :area, :volume], third_model.stored_attributes[:data] + end + test "YAML coder initializes the store when a Nil value is given" do assert_equal({}, @john.params) end |