sql:
drop table tmp_user；
sql:
create table tmp_user as select * from t_user where 1>2;
//执行dmfldr加载txt数据到tmp_user，此处省略
sql:
delete from t_user；
sql:
insert into t_user select * from tmp_user；
sql:
drop table tmp_user；

2023-12-21 10:52:06.856 ERROR 6584 --- [ main] druid.sql.Statement : {conn-110005, pstmt-120015} execute error. drop table tmp_user

dm.jdbc.driver.DMException: 对象定义被修改