<?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.HistoryHourlyMapper">
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<select id="selectHourlyData" resultType="java.lang.String">
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SELECT `value` FROM history_hourly_${timeUnits} WHERE mac = #{mac} AND `time` = #{time}
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</select>
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</mapper>
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