jinpengyong
2020-07-31 af2ff6353abb09500ff08293490446a4d40d8e87
src/main/resources/mapper/HangzhouAqiMapper.xml
@@ -95,4 +95,17 @@
    ORDER BY
    time
    </select>
    <select id="getAvgO3EightHours" resultType="java.util.Map">
    select
    AVG(aqi_json->'$.O3') 'O3指数8小时',
    AVG(aqi_json->'$.O3C') 'O3浓度8小时'
    FROM
    hangzhou_aqi
    WHERE
    time >= #{start}
    AND time <![CDATA[<]]> #{end}
    AND city_code = #{areaCode}
    </select>
</mapper>