diff options
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index bc6cac0c6c..9d2229e733 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -1438,4 +1438,17 @@ class RelationTest < ActiveRecord::TestCase end assert_no_queries { relation.to_a } end + + test 'group with select and includes' do + authors_count = Post.select('author_id, COUNT(author_id) AS num_posts').group('author_id').includes(:author).to_a + + assert_no_queries do + result = authors_count.map do |post| + [post.num_posts, post.author.try(:name)] + end + + expected = [[1, nil], [5, "David"], [3, "Mary"], [2, "Bob"]] + assert_equal expected, result + end + end end |