Fix includes on association with a scope containing joins along with conditions

on the joined assoiciation

2 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb
index 4539b99504..dd4f530791 100644
--- a/activerecord/test/cases/associations/eager_test.rb
+++ b/activerecord/test/cases/associations/eager_test.rb
@@ -904,6 +904,12 @@ class EagerAssociationTest < ActiveRecord::TestCase
     assert_no_queries {assert_equal posts(:sti_comments), comment.post}
   end
 
+  def test_eager_association_with_scope_with_joins
+    assert_nothing_raised do
+      Post.includes(:very_special_comment_with_post_with_joins).to_a
+    end
+  end
+
   def test_preconfigured_includes_with_has_many
     posts = authors(:david).posts_with_comments
     one = posts.detect { |p| p.id == 1 }
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 36cf221d45..a9996e5236 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -78,6 +78,7 @@ class Post < ActiveRecord::Base
 
   has_one  :very_special_comment
   has_one  :very_special_comment_with_post, -> { includes(:post) }, :class_name => "VerySpecialComment"
+  has_one :very_special_comment_with_post_with_joins, -> { joins(:post).order('posts.id') }, class_name: "VerySpecialComment"
   has_many :special_comments
   has_many :nonexistant_comments, -> { where 'comments.id < 0' }, :class_name => 'Comment'