<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.moral.api.mapper.HistoryAqiMapper">
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<!-- 通用查询映射结果 -->
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<resultMap id="BaseResultMap" type="com.moral.api.entity.HistoryAqi">
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<result column="guid" property="guid"/>
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<result column="time" property="time"/>
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<result column="value" property="value"/>
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</resultMap>
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<select id="query" resultType="com.moral.api.pojo.dto.historyAqi.HistoryAqiDto">
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SELECT `value` -> '$.co' as a21005,
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`value` -> '$.o3' as a05024,
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`value` -> '$.no2' as a21004,
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`value` -> '$.so2' as a21026,
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`value` -> '$.pm10' as a34002,
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`value` -> '$.pm2_5' as a34004,
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`value` -> '$.pubtime' as dataTime
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FROM history_aqi where guid=#{guid} and history_aqi.time =(SELECT MAX(time) FROM history_aqi)
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</select>
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</mapper>
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