Failing test for aggregating on default_scope with select

activerecord/test/cases/relation_scoping_test.rb

@@ -471,6 +471,10 @@ class DefaultScopingTest < ActiveRecord::TestCase
     assert_equal 10, DeveloperCalledJamis.unscoped.poor.length
   end
 
+  def test_default_scope_select_ignored_by_aggregations
+    assert_equal DeveloperWithSelect.all.count, DeveloperWithSelect.count
+  end
+
   def test_default_scope_order_ignored_by_aggregations
     assert_equal DeveloperOrderedBySalary.all.count, DeveloperOrderedBySalary.count
   end

activerecord/test/models/developer.rb

@@ -86,6 +86,11 @@ class DeveloperWithBeforeDestroyRaise < ActiveRecord::Base
   end
 end
 
+class DeveloperWithSelect < ActiveRecord::Base
+  self.table_name = 'developers'
+  default_scope select('name')
+end
+
 class DeveloperOrderedBySalary < ActiveRecord::Base
   self.table_name = 'developers'
   default_scope :order => 'salary DESC'