delete from t_st_schedule_record where schedule_time between #{startdate} and #{enddate} SELECT t2.* FROM t_st_schedule_scheme t1 LEFT JOIN t_st_schedule_record t2 on t1.id = t2.scheme_id WHERE t1.`code` = #{scheduleCode} AND result_code = "100" ORDER BY t2.schedule_time desc,create_time desc LIMIT #{limit}