<?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.mapper.AlarmMapper">
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<select id="getAvgAlarmData" resultType="java.util.LinkedHashMap">
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SELECT
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a.mac,
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max(a.state) state
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<foreach collection="sensorKeys" open="," separator="," item="sensorKey">
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AVG(a.json->'$.${sensorKey}[0]') AS '${sensorKey}'
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</foreach>
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FROM
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alarm_${yearAndMonth} a
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WHERE
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a.time >= #{start}
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AND a.time <![CDATA[<]]> #{end}
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AND a.mac in
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<foreach collection="macs" open="(" separator="," close=")"
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item="mac">
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#{mac}
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</foreach>
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group by
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a.mac
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</select>
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<insert id="insertAlarmDaily">
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insert into
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alarm_daily
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values
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<foreach collection="list" item="item" separator=",">
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(#{item.mac},#{item.json},#{item.state},#{item.time})
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</foreach>
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</insert>
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<update id="createTable">
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CREATE TABLE `alarm_${yearAndMonth}` (
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`mac` varchar(20) CHARACTER SET utf8 DEFAULT NULL,
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`json` json DEFAULT NULL,
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`state` int(2) DEFAULT NULL,
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`time` datetime DEFAULT NULL,
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KEY `_idx_time` (`time`) USING BTREE,
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KEY `_idx_mac` (`mac`) USING BTREE)
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ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci ROW_FORMAT=DYNAMIC;
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</update>
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</mapper>
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