diff --git a/BDL/Test_classes/Assembly/BDL_Test_Assembly.php b/BDL/Test_classes/Assembly/BDL_Test_Assembly.php
index 3647dfb..a69e44c 100644
--- a/BDL/Test_classes/Assembly/BDL_Test_Assembly.php
+++ b/BDL/Test_classes/Assembly/BDL_Test_Assembly.php
@@ -51,5 +51,11 @@
 			'COMPONENT' => array ( 'COMPONENT_CODE' ),
 		);
 	}
+	
+	
+	public function getUniqueColumnList()
+	{
+		return array();
+	}
 }
 ?>