1 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb
index b4d1a631fa..e6e50a4cd4 100644
--- a/activerecord/test/cases/primary_keys_test.rb
+++ b/activerecord/test/cases/primary_keys_test.rb
@@ -200,3 +200,19 @@ class PrimaryKeyWithNoConnectionTest < ActiveRecord::TestCase
     assert_equal 'foo', model.primary_key
   end
 end
+
+if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter)
+  class PrimaryKeyWithAnsiQuotesTest < ActiveRecord::TestCase
+    self.use_transactional_fixtures = false
+  
+    def test_primaery_key_method_with_ansi_quotes
+      con = ActiveRecord::Base.connection
+      con.execute("SET SESSION sql_mode='ANSI_QUOTES'")
+      assert_equal "id", con.primary_key("topics")
+    ensure
+      con.reconnect!
+    end
+  
+  end
+end
+