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| <?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.HistoryHourlyMapper">
| <select id="getPollutionSourceData" resultType="java.util.Map">
| SELECT
| <foreach collection="sensorKeys" separator="," item="sensorKey">
| json->'$.${sensorKey}[0]' AS '${sensorKey}'
| </foreach>
| FROM
| history_hourly
| <where>
| <if test="mac!=null">
| AND mac=#{mac}
| </if>
| <if test="time!=null">
| AND time= DATE_SUB(#{time}, INTERVAL 1 HOUR)
| </if>
| </where>
| </select>
| </mapper>
|
|
