1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/inheritance_test.rb b/activerecord/test/cases/inheritance_test.rb
index 47fb5c608f..4fd38bfbc9 100755
--- a/activerecord/test/cases/inheritance_test.rb
+++ b/activerecord/test/cases/inheritance_test.rb
@@ -191,6 +191,13 @@ class InheritanceTest < ActiveRecord::TestCase
     assert_not_nil account.instance_variable_get("@firm"), "nil proves eager load failed"
   end
 
+  def test_eager_load_belongs_to_primary_key_quoting
+    con = Account.connection
+    assert_sql(/\(#{con.quote_table_name('companies')}.#{con.quote_column_name('id')} IN \(1\)\)/) do
+      Account.find(1, :include => :firm)
+    end
+  end
+
   def test_alt_eager_loading
     switch_to_alt_inheritance_column
     test_eager_load_belongs_to_something_inherited