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author | Carlos Antonio da Silva <carlosantoniodasilva@gmail.com> | 2012-11-18 10:17:15 -0800 |
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committer | Carlos Antonio da Silva <carlosantoniodasilva@gmail.com> | 2012-11-18 10:17:15 -0800 |
commit | 5e7919cd63fdc09403ed0dcadbc1c18c5f1fa881 (patch) | |
tree | 8dd9deb7584fdf17720abcdeec135b18017fdb98 /activerecord | |
parent | 5a3e258370ebebf5377897703ad9625de72cbcf8 (diff) | |
parent | 22ed92dbae24481b951ef5f4926c85af8f101b6b (diff) | |
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Merge pull request #8258 from kommen/eager_loading_with_select_test2
Add test to ensure preloading works as expected with "group", "select" and "includes".
Diffstat (limited to 'activerecord')
-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 |