text: -- @testpoint: 数字操作符^(幂),指数为空值或者底数为空值
  drop table if exists data_01;
  create table data_01 (clo1 BIGINT,clo2 BIGINT);
  select clo1 ^ 3 from data_01;
  SELECT null ^ 3 AS RESULT;
  SELECT 3 ^ null AS RESULT;
  drop table if exists data_01;