使用MySQL函数 DATA_ADD(column_name, INTERVAL 1 DAY), DATA_ADD(column_name, INTERVAL 1 MONTH) 实现日期更新。
示例:

insert into PV_USP_DATA 
( SELECT station_no,model_no,DATE_ADD(data_time, INTERVAL 3 MONTH) as new_data_time,radiation,mod_radiation,power,mod_power 
FROM `PV_USP_DATA` 
where data_time>='2024-04-01 00:15' and data_time <= '2024-05-01' );
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