update

xufenglei

2019-07-22 06425536454fa2bc15fc2aaf1c59d7d78571fc80

 src/main/resources/mapper/HistoryDailyMapper.xml

@@ -94,4 +94,20 @@
         vdd.monitor_point_id,

         vdd.device_tech

      </select>

		
    <!-- 根据设备mac地址，时间，污染因子查询一天的平均值 -->

    <select id="getTraceabilityData" resultType="java.util.Map">

        SELECT

            json ->'$.${sensorKey}[0]' AS '${sensorKey}'

        FROM

            history_daily

        <where>

            <if test="mac!=null and mac!=''">

                AND mac=#{mac}

            </if>

            <if test="time!=null and time!=''">

                AND time=#{time}

            </if>

        </where>

    </select>

</mapper>