天气预测，实测优化

jinpengyong

2020-11-20 99773108758898c032f67a125439fb811f5b992b

 src/main/resources/mapper/AQIMapper.xml

@@ -1,6 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.moral.mapper.AQIMapper">
    <cache/>

    <select id="getCityAqiConfig" resultType="java.util.LinkedHashMap">
        select * from city_aqi_config;
    </select>
@@ -24,7 +26,7 @@
        </foreach>
    </select>

    <select id="getO3ByTime" resultType="java.lang.String">
    <select id="getO3ByTime" resultType="java.lang.String" useCache="true">
        select ifnull(aqi_json->'$.O3C',aqi_json->'$.O3') as 'O3'
        from hangzhou_aqi
        where city_code=#{cityCode}
@@ -39,7 +41,7 @@
        and DATE_FORMAT(time, '%Y%H')=#{yearAndHour}
    </select>

    <select id="getO3FromHistory" resultType="java.lang.String">
    <select id="getO3FromHistory" resultType="java.lang.String" useCache="true">
        select value ->'$.O3C' as 'O3'
        from history_aqi_${timeUnits}
        where city_code=#{cityCode}