【功能优化】IoT：清理通用 TDengine 封装，使用 SQL 查询
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YunaiV
@@ -1,101 +0,0 @@
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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.TdEngineDDLMapper">
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<!-- 创建数据库 -->
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<update id="createDatabase" parameterType="String">
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CREATE DATABASE IF NOT EXISTS ${dataBaseName}
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</update>
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<!-- 创建超级表 -->
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<update id="createSuperTable">
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CREATE STABLE IF NOT EXISTS ${dataBaseName}.${superTableName}
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<foreach item="item" collection="columns" separator=","
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open="(" close=")">
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${item.fieldName} ${item.dataType}
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<if test="item.dataLength > 0">
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(${item.dataLength})
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</if>
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</foreach>
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TAGS
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<foreach item="item" collection="tags" separator=","
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open="(" close=")">
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${item.fieldName} ${item.dataType}
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<if test="item.dataLength > 0">
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(${item.dataLength})
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</if>
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</foreach>
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</update>
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<!-- 查看超级表 -->
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<select id="showSuperTables" resultType="java.util.Map">
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SHOW ${dataBaseName}.STABLES LIKE '${superTableName}'
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</select>
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<!-- 描述超级表结构 -->
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<select id="describeSuperTable" resultType="java.util.Map">
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DESCRIBE ${dataBaseName}.${superTableName}
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</select>
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<!-- 为超级表添加列 -->
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<update id="addColumnForSuperTable">
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ALTER STABLE ${dataBaseName}.${superTableName} ADD COLUMN ${column.fieldName} ${column.dataType}
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<if test="column.dataLength > 0">
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(${column.dataLength})
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</if>
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</update>
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<!-- 为超级表删除列 -->
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<update id="dropColumnForSuperTable">
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ALTER STABLE ${dataBaseName}.${superTableName} DROP COLUMN ${column.fieldName}
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</update>
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<!-- 修改列宽 -->
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<update id="modifyColumnWidthForSuperTable">
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ALTER STABLE ${dataBaseName}.${superTableName} MODIFY COLUMN ${column.fieldName} ${column.dataType}
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<if test="column.dataLength > 0">
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(${column.dataLength})
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</if>
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</update>
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<!-- 为超级表添加标签 -->
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<update id="addTagForSuperTable">
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ALTER STABLE ${dataBaseName}.${superTableName} ADD TAG ${tag.fieldName} ${tag.dataType}
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<if test="tag.dataLength > 0">
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(${tag.dataLength})
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</if>
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</update>
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<!-- 为超级表删除标签 -->
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<update id="dropTagForSuperTable">
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ALTER STABLE ${dataBaseName}.${superTableName} DROP TAG ${tag.fieldName}
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</update>
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<!-- 创建子表 -->
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<update id="createTable">
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CREATE TABLE IF NOT EXISTS ${dataBaseName}.${tableName}
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USING ${dataBaseName}.${superTableName}
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TAGS
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<foreach item="item" collection="tags" separator=","
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open="(" close=")">
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#{item.fieldValue}
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</foreach>
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</update>
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<!-- 创建子表，带有 TAGS -->
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<update id="createTableWithTags">
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CREATE TABLE IF NOT EXISTS ${dataBaseName}.${tableName}
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USING ${dataBaseName}.${superTableName}
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<foreach item="item" collection="tags" separator="," open="(" close=")">
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#{item.fieldName}
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</foreach>
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TAGS
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<foreach item="item" collection="tags" separator=","
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open="(" close=")">
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#{item.fieldValue}
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</foreach>
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</update>
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</mapper>
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@@ -1,86 +0,0 @@
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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.TdEngineDMLMapper">
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<!-- 插入数据 -->
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<insert id="insertData">
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INSERT INTO ${dataBaseName}.${tableName}
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<foreach item="item" collection="columns" separator=","
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open="(" close=")">
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${item.fieldName}
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</foreach>
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VALUES
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<foreach item="item" collection="columns" separator=","
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open="(" close=")">
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#{item.fieldValue}
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</foreach>
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</insert>
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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="selectCountByTimestamp" 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="selectOneLastData" 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="selectLastDataListByTags" parameterType="cn.iocoder.yudao.module.iot.dal.dataobject.tdengine.TagsSelectDO"
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resultType="java.util.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="selectHistoryDataList" 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="selectRealtimeDataList" 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="selectAggregateDataList" 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="selectHistoryCount" 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 ${fieldName} IS NOT NULL
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</select>
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</mapper>
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@@ -1,35 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="cn.iocoder.yudao.module.iot.dal.tdengine.TdThingModelMessageMapper">
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<!-- 创建物模型消息日志超级表 -->
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<update id="createSuperTable">
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CREATE STABLE thing_model_message_${productKey}(
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ts TIMESTAMP,
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id NCHAR(64),
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sys NCHAR(2048),
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method NCHAR(255),
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params NCHAR(2048),
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device_name NCHAR(64)
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)TAGS (
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device_key NCHAR(50)
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)
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</update>
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<!-- 创建物模型消息日志子表，带有deviceKey的TAG -->
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<update id="createTableWithTag">
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CREATE STABLE ${deviceKey}
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USING thing_model_message_${productKey}(
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ts,
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id ,
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sys ,
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method ,
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params ,
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device_name
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)TAGS(
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#{device_key}
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)
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</update>
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</mapper>
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