text: -- @testpoint: 验证是否支持存储过程抛出自定义异常的错误码
  
  create or replace  procedure  exception_016 ()  as
  declare
  i number:=0;
  failure_num exception;
  begin
  if i=0 then
  raise failure_num;
  end if;
  exception
  when failure_num then
  raise info ':%',sqlerrm;
  end;
  /
  --调用存储过程
  call exception_016();
  --清理环境
  drop procedure exception_016;