assertNotNull(select.firstToken().toString());
String sql = select.toSQL();
System.out.println(sql);
assertNotNull(sql);
List<VariableExpression> vars = select.findDescendents(VariableExpression.class);
VariableExpression var = vars.get(0);
assertNotNull(var);
assertEquals(":val", var.getName());
assertEquals("?", var.toString());
}