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| author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2019-02-26 18:07:13 -0500 |
|---|---|---|
| committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2019-02-26 18:07:13 -0500 |
| commit | 572dcdd7e858f126848bdf4f2be0f5cb0de7c026 (patch) | |
| tree | b0bad61734f2ded9782bf51cd701bffb1a6e56d9 /activerecord/test/cases/associations | |
| parent | 196e22de5378cf684760f082c8131f728f4717c4 (diff) | |
| download | rails-572dcdd7e858f126848bdf4f2be0f5cb0de7c026.tar.gz rails-572dcdd7e858f126848bdf4f2be0f5cb0de7c026.tar.bz2 rails-572dcdd7e858f126848bdf4f2be0f5cb0de7c026.zip | |
Fix preload with nested associations
When the middle association doesn't have any records and the inner
association is not an empty scope the owner will be `nil` so we can't
try to reset the inverse association.
Diffstat (limited to 'activerecord/test/cases/associations')
| -rw-r--r-- | activerecord/test/cases/associations/has_many_through_associations_test.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index 0ac56c6168..6f23a832ef 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -55,6 +55,15 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase assert_equal preloaded, Marshal.load(Marshal.dump(preloaded)) end + def test_preload_with_nested_association + posts = Post.preload(:author, :author_favorites).to_a + + assert_no_queries do + posts.each(&:author) + posts.each(&:author_favorites) + end + end + def test_preload_sti_rhs_class developers = Developer.includes(:firms).all.to_a assert_no_queries do |