Fix hm:t to self table aliasing in construct_scope

2 files changed, 2 insertions, 1 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 fe60e676d6..34ae297275 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -392,7 +392,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     sarah = Person.create!(:first_name => 'Sarah', :primary_contact_id => people(:susan).id, :gender => 'F', :number1_fan_id => 1)
     john = Person.create!(:first_name => 'John', :primary_contact_id => sarah.id, :gender => 'M', :number1_fan_id => 1)
     assert_equal sarah.agents, [john]
-    assert_equal people(:susan).agents_of_agents, [john]
+    assert_equal people(:susan).agents.map(&:agents).flatten, people(:susan).agents_of_agents
   end
 
   def test_collection_singular_ids_getter_with_string_primary_keys
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index 951ec93c53..bee89de042 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -12,6 +12,7 @@ class Person < ActiveRecord::Base
 
   belongs_to :primary_contact, :class_name => 'Person'
   has_many :agents, :class_name => 'Person', :foreign_key => 'primary_contact_id'
+  has_many :agents_of_agents, :through => :agents, :source => :agents
   belongs_to :number1_fan, :class_name => 'Person'
 
   scope :males, :conditions => { :gender => 'M' }