ValueExp value1 = Query.value(new Integer(3));
operation = Query.eq(value1, null);
assertTrue(!operation.apply(null));
operation = Query.eq(null, value1);
assertTrue(!operation.apply(null));
ValueExp value2 = Query.value(new Long(3));
ValueExp result = Query.plus(value1, value2);
operation = Query.eq(Query.value(6), result);
assertTrue(operation.apply(null));