insert into t_class_metting_super ( user_id,start_time,create_day,class_id) value (#{userId},#{startTime},#{createDay},#{classId}) select id,start_time startTime from t_class_metting_super WHERE user_id=#{userId} and create_day=#{createDay} and class_id=#{classId} ORDER BY id desc limit 1 update t_class_metting_super set end_time=#{endTime} ,sup_hour=#{hours} where id=#{id} select sum(sup_hour) from t_class_metting_super ts LEFT JOIN t_class_metting_check tc on ts.class_id=tc.class_id WHERE ts.class_id=#{classId} and ts.user_id=#{userId} update t_class_metting_check set is_check='1' ,check_time=#{times} where class_id=#{classId}