text: -- @testpoint: 数字操作符*(乘),算术表达式作乘数
  drop table if exists data_01;
  create table data_01 (clo1 int,clo2 int);
  insert into data_01 values (255, 3);
  select clo1 * (2.5 + clo2+12.555) from data_01;
  SELECT 10 * (2.5  + 3+0.5) AS RESULT;
  drop table if exists data_01;