mysql 从一个表中查询若干条数据重新插入到一个新表 已经存在的不再重复插入

insert into business_dest  (select a.* from (select product,business,business VALUE from business_source where  date_sub(curdate(), INTERVAL 1 DAY) >= status_date group by product,business) a  where not EXISTS(select 1 from business_dest b where a.product=b.product and a.business=b.business));insert into business_dest  (select a.* from (se