73 lines
2.8 KiB
XML
73 lines
2.8 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineQueryMapper">
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<!-- 根据时间戳查询数据 -->
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<select id="selectByTimestamp" parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectDO"
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resultType="Map">
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SELECT * FROM ${dataBaseName}.${tableName}
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WHERE ${fieldName} BETWEEN #{startTime} AND #{endTime}
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</select>
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<!-- 获取时间范围内的数据条数 -->
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<select id="getCountByTimestamp" parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectDO"
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resultType="java.util.Map">
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SELECT COUNT(0) AS count
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FROM ${dataBaseName}.${tableName}
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WHERE ${fieldName} BETWEEN #{startTime} AND #{endTime}
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</select>
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<!-- 获取最新数据 -->
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<select id="getLastData" resultType="java.util.Map">
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SELECT LAST(time), *
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FROM ${tableName}
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WHERE device_id = #{deviceId}
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</select>
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<!-- 根据标签获取最新数据 -->
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<select id="getLastDataByTags" parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TagsSelectDO"
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resultType="Map">
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SELECT LAST(*)
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FROM ${dataBaseName}.${stableName}
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GROUP BY ${tagsName}
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</select>
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<!-- 获取历史数据 -->
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<select id="getHistoryData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectVisualDO">
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SELECT ${fieldName} AS data, time
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FROM ${dataBaseName}.${tableName}
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WHERE time BETWEEN #{startTime} AND #{endTime}
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AND ${fieldName} IS NOT NULL
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ORDER BY time DESC
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LIMIT #{params.rows} OFFSET #{params.page}
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</select>
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<!-- 获取实时数据 -->
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<select id="getRealtimeData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectVisualDO">
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SELECT ${fieldName}, time
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FROM ${dataBaseName}.${tableName}
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</select>
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<!-- 获取聚合数据 -->
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<select id="getAggregateData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.SelectVisualDO">
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SELECT ${aggregate}(${fieldName})
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FROM ${dataBaseName}.${tableName}
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WHERE ts BETWEEN #{startTime} AND #{endTime} INTERVAL (${interval})
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LIMIT #{num}
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</select>
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<!-- 获取历史数据条数 -->
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<select id="getHistoryCount" resultType="java.lang.Long">
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SELECT COUNT(time)
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FROM ${dataBaseName}.${tableName}
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WHERE time BETWEEN #{startTime} AND #{endTime}
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AND ${fieldName} IS NOT NULL
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</select>
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</mapper>
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