diff options
| -rw-r--r-- | activerecord/lib/active_record/associations/preloader.rb | 1 | ||||
| -rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb index 46bccbf15a..4358f3b581 100644 --- a/activerecord/lib/active_record/associations/preloader.rb +++ b/activerecord/lib/active_record/associations/preloader.rb @@ -178,6 +178,7 @@ module ActiveRecord class NullPreloader def self.new(klass, owners, reflection, preload_scope); self; end def self.run(preloader); end + def self.preloaded_records; []; end end def preloader_for(reflection, owners, rhs_klass) diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index dd4f530791..f968a34886 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -270,6 +270,14 @@ class EagerAssociationTest < ActiveRecord::TestCase end end + def test_three_level_nested_preloading_does_not_raise_exception_when_association_does_not_exist + post_id = Comment.where(author_id: nil).where.not(post_id: nil).first.post_id + + assert_nothing_raised do + Post.preload(:comments => [{:author => :essays}]).find(post_id) + end + end + def test_nested_loading_through_has_one_association aa = AuthorAddress.all.merge!(:includes => {:author => :posts}).find(author_addresses(:david_address).id) assert_equal aa.author.posts.count, aa.author.posts.length |