diff options
-rw-r--r-- | activerecord/CHANGELOG.md | 5 | ||||
-rw-r--r-- | activerecord/lib/active_record/associations/collection_association.rb | 4 | ||||
-rw-r--r-- | activerecord/test/cases/associations/has_many_associations_test.rb | 12 |
3 files changed, 19 insertions, 2 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 07714538fb..89cea5a7cb 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,8 @@ +* Reuse the `CollectionAssociation#reader` cache when the foreign key is + available prior to save. + + *Ben Woosley* + * Add `config.active_record.dump_schemas` to fix `db:structure:dump` when using schema_search_path and PostgreSQL extensions. diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 1e245926e0..88531205a1 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -33,10 +33,10 @@ module ActiveRecord reload end - if owner.new_record? + if null_scope? # Cache the proxy separately before the owner has an id # or else a post-save proxy will still lack the id - @new_record_proxy ||= CollectionProxy.create(klass, self) + @null_proxy ||= CollectionProxy.create(klass, self) else @proxy ||= CollectionProxy.create(klass, self) end diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 675bed9bfa..290b2a0d6b 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -532,9 +532,21 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_update_all_on_association_accessed_before_save firm = Firm.new(name: 'Firm') + clients_proxy_id = firm.clients.object_id firm.clients << Client.first firm.save! assert_equal firm.clients.count, firm.clients.update_all(description: 'Great!') + assert_not_equal clients_proxy_id, firm.clients.object_id + end + + def test_update_all_on_association_accessed_before_save_with_explicit_foreign_key + # We can use the same cached proxy object because the id is available for the scope + firm = Firm.new(name: 'Firm', id: 100) + clients_proxy_id = firm.clients.object_id + firm.clients << Client.first + firm.save! + assert_equal firm.clients.count, firm.clients.update_all(description: 'Great!') + assert_equal clients_proxy_id, firm.clients.object_id end def test_belongs_to_sanity |