From 30c1999df1f50df3faa663efb90e641ff0c2d425 Mon Sep 17 00:00:00 2001 From: Bogdan Gusiev Date: Thu, 6 Jun 2019 14:56:25 +0300 Subject: Fix preloading on AR::Relation where records are duplicated by a join --- activerecord/test/cases/associations/has_many_associations_test.rb | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'activerecord/test') diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 545bc77fed..fe7e5dc559 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -2932,6 +2932,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [], reference.ideal_jobs end + def test_has_many_preloading_with_duplicate_records + posts = Post.joins(:comments).preload(:comments).to_a + assert_equal [1, 2], posts.first.comments.map(&:id) + end + private def force_signal37_to_load_all_clients_of_firm -- cgit v1.2.3