添加无人机历史查询最大值和最小值的Mapper接口

ZhuDongming

2019-08-15 50e24cdfd75ada4dd6ea5dce74803b7f96e3ba81

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package com.moral.entity.charts;
 
public enum  TimeUnits {
    YEAR,MONTH,DAY,HOUR,MINUTE,SECOND,MILLISECOND
}