【新增功能】 集成 tdengine
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安浩浩
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<?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="cn.iocoder.yudao.module.iot.dal.tdengine.TdEngineMapper">
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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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<update id="createSuperTable">
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create table if not exists #{dataBaseName}.#{superTableName}
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<foreach item="item" collection="schemaFields" separator=","
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open="(" close=")" index="">
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<if test="item.fieldName != null || item.fieldName != ''">
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${item.fieldName}
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</if>
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<if test="item.dataType != null || item.dataType != ''">
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<choose>
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<when test="item.dataType == 'timestamp'">
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timestamp
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</when>
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<when test="item.dataType == 'tinyint'">
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tinyint
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</when>
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<when test="item.dataType == 'smallint'">
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smallint
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</when>
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<when test="item.dataType == 'int'">
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int
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</when>
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<when test="item.dataType == 'bigint'">
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bigint
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</when>
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<when test="item.dataType == 'float'">
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float
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</when>
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<when test="item.dataType == 'double'">
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double
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</when>
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<when test="item.dataType == 'binary'">
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binary
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</when>
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<when test="item.dataType == 'nchar'">
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nchar
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</when>
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<when test="item.dataType == 'bool'">
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bool
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</when>
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<when test="item.dataType == 'json'">
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json
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</when>
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</choose>
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</if>
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<if test="item.size != null">
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(#{item.size})
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</if>
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</foreach>
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tags
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<!--tdEngine不支持动态tags里的数据类型，只能使用choose标签比对-->
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<foreach item="item" collection="tagsFields" separator=","
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open="(" close=")" index="">
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<if test="item.fieldName != null || item.fieldName != ''">
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${item.fieldName}
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</if>
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<if test="item.dataType != null || item.dataType != ''">
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<choose>
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<when test="item.dataType == 'timestamp'">
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timestamp
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</when>
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<when test="item.dataType == 'tinyint'">
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tinyint
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</when>
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<when test="item.dataType == 'smallint'">
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smallint
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</when>
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<when test="item.dataType == 'int'">
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int
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</when>
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<when test="item.dataType == 'bigint'">
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bigint
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</when>
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<when test="item.dataType == 'float'">
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float
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</when>
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<when test="item.dataType == 'double'">
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double
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</when>
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<when test="item.dataType == 'binary'">
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binary
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</when>
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<when test="item.dataType == 'nchar'">
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nchar
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</when>
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<when test="item.dataType == 'bool'">
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bool
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</when>
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<when test="item.dataType == 'json'">
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json
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</when>
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</choose>
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</if>
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<if test="item.size != null">
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(#{item.size})
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</if>
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</foreach>
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</update>
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<update id="createTable">
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create table
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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="tagsFieldValues" separator=","
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open="(" close=")" index="">
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#{item.fieldValue}
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</foreach>
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</update>
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<insert id="insertData">
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insert into #{dataBaseName}.#{tableName}
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<foreach item="item" collection="schemaFieldValues" separator=","
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open="(" close=")" index="">
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#{item.fieldName}
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</foreach>
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using #{dataBaseName}.#{superTableName}
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tags
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<foreach item="item" collection="tagsFieldValues" separator=","
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open="(" close=")" index="">
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#{item.fieldValue}
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</foreach>
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values
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<foreach item="item" collection="schemaFieldValues" separator=","
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open="(" close=")" index="">
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#{item.fieldValue}
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</foreach>
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</insert>
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<select id="selectByTimestamp" parameterType="cn.iocoder.yudao.module.iot.domain.SelectDto"
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resultType="Map">
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select * from #{dataBaseName}.#{tableName}
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<!--查询这里不能使用#{}占位符的方式，使用这种方式，tdEngine不识别为列名，只能使用${}占位的方式-->
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<!--因为tdEngine引擎一次只执行一条sql，所以有效预防了sql的注入，且该服务该接口为内部调用，所以可以使用${}-->
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where ${fieldName}
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between #{startTime} and #{endTime}
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</select>
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<update id="addColumnForSuperTable">
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ALTER
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STABLE
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#{superTableName}
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ADD
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COLUMN
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<if test="fieldsVo.fieldName != null || fieldsVo.fieldName != ''">
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#{fieldsVo.fieldName}
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</if>
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<if test="fieldsVo.dataType != null || fieldsVo.dataType != ''">
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<choose>
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<when test="fieldsVo.dataType == 'timestamp'">
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timestamp
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</when>
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<when test="fieldsVo.dataType == 'tinyint'">
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tinyint
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</when>
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<when test="fieldsVo.dataType == 'smallint'">
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smallint
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</when>
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<when test="fieldsVo.dataType == 'int'">
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int
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</when>
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<when test="fieldsVo.dataType == 'bigint'">
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bigint
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</when>
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<when test="fieldsVo.dataType == 'float'">
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float
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</when>
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<when test="fieldsVo.dataType == 'double'">
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double
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</when>
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<when test="fieldsVo.dataType == 'binary'">
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binary
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</when>
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<when test="fieldsVo.dataType == 'nchar'">
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nchar
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</when>
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<when test="fieldsVo.dataType == 'bool'">
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bool
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</when>
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<when test="fieldsVo.dataType == 'json'">
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json
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</when>
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</choose>
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</if>
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<if test="fieldsVo.size != null">
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(
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#{fieldsVo.size}
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)
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</if>
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</update>
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<update id="dropColumnForSuperTable">
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ALTER
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STABLE
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#{superTableName}
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DROP
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COLUMN
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<if test="fieldsVo.fieldName != null || fieldsVo.fieldName != ''">
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#{fieldsVo.fieldName}
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</if>
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</update>
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<update id="addTagForSuperTable">
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ALTER
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STABLE
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#{superTableName}
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ADD
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TAG
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<if test="fieldsVo.fieldName != null || fieldsVo.fieldName != ''">
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#{fieldsVo.fieldName}
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</if>
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<if test="fieldsVo.dataType != null || fieldsVo.dataType != ''">
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<choose>
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<when test="fieldsVo.dataType == 'timestamp'">
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timestamp
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</when>
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<when test="fieldsVo.dataType == 'tinyint'">
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tinyint
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</when>
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<when test="fieldsVo.dataType == 'smallint'">
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smallint
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</when>
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<when test="fieldsVo.dataType == 'int'">
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int
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</when>
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<when test="fieldsVo.dataType == 'bigint'">
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bigint
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</when>
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<when test="fieldsVo.dataType == 'float'">
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float
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</when>
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<when test="fieldsVo.dataType == 'double'">
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double
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</when>
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<when test="fieldsVo.dataType == 'binary'">
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binary
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</when>
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<when test="fieldsVo.dataType == 'nchar'">
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nchar
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</when>
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<when test="fieldsVo.dataType == 'bool'">
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bool
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</when>
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<when test="fieldsVo.dataType == 'json'">
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json
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</when>
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</choose>
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</if>
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<if test="fieldsVo.size != null">
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(
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#{fieldsVo.size}
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)
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</if>
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</update>
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<update id="dropTagForSuperTable">
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ALTER
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STABLE
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#{superTableName}
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DROP
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TAG
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<if test="fieldsVo.fieldName != null || fieldsVo.fieldName != ''">
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#{fieldsVo.fieldName}
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</if>
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</update>
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<select id="getCountByTimestamp" parameterType="cn.iocoder.yudao.module.iot.domain.SelectDto"
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resultType="java.util.Map">
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SELECT count(0) AS count
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FROM #{dataBaseName}.#{tableName} WHERE ${fieldName} BETWEEN #{startTime} AND #{endTime}
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</select>
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<select id="checkTableExists" resultType="java.lang.Integer">
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SELECT COUNT(0)
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FROM information_schema.ins_tables
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WHERE db_name = #{dataBaseName}
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AND table_name = #{tableName}
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</select>
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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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<select id="getLastDataByTags" parameterType="cn.iocoder.yudao.module.iot.domain.TagsSelectDao"
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resultType="Map">
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select last(*)
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from #{dataBaseName}.#{stableName} group by ${tagsName}
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</select>
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<select id="getHistoryData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.domain.visual.SelectVisualDto">
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SELECT #{fieldName}, ts
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FROM #{dataBaseName}.#{tableName} WHERE ts BETWEEN #{startTime} AND #{endTime}
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LIMIT #{num}
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</select>
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<select id="getRealtimeData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.domain.visual.SelectVisualDto">
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SELECT #{fieldName}, ts
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FROM #{dataBaseName}.#{tableName} LIMIT #{num}
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</select>
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<select id="getAggregateData" resultType="java.util.Map"
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parameterType="cn.iocoder.yudao.module.iot.domain.visual.SelectVisualDto">
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SELECT #{aggregate}(${fieldName})
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FROM #{dataBaseName}.#{tableName} WHERE ts BETWEEN #{startTime} AND #{endTime} interval (${interval})
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LIMIT #{num}
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</select>
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<insert id="createSuperTableDevice">
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${sql}
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</insert>
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</mapper>
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