assets/CSV-Tool.html-h8n5_fFz.js

import{_ as t,r as o,o as l,c as r,b as a,d as s,a as p,e as n}from"./app-Bp5kEZWW.js";const c={},i=a("h1",{id:"导入导出-csv",tabindex:"-1"},[a("a",{class:"header-anchor",href:"#导入导出-csv"},[a("span",null,"导入导出 CSV")])],-1),u=a("p",null,"CSV 工具可帮您将 CSV 格式的数据导入到 IoTDB 或者将数据从 IoTDB 导出到 CSV 文件。",-1),k={id:"使用-export-csv-sh",tabindex:"-1"},d={class:"header-anchor",href:"#使用-export-csv-sh"},m={href:"http://export-csv.sh",target:"_blank",rel:"noopener noreferrer"},b=n(`<h3 id="运行方法" tabindex="-1"><a class="header-anchor" href="#运行方法"><span>运行方法</span></a></h3><div class="language-bash line-numbers-mode" data-ext="sh" data-title="sh"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
<span class="token operator">&gt;</span> tools/export-csv.sh  <span class="token parameter variable">-h</span> <span class="token operator">&lt;</span>ip<span class="token operator">&gt;</span> <span class="token parameter variable">-p</span> <span class="token operator">&lt;</span>port<span class="token operator">&gt;</span> <span class="token parameter variable">-u</span> <span class="token operator">&lt;</span>username<span class="token operator">&gt;</span> <span class="token parameter variable">-pw</span> <span class="token operator">&lt;</span>password<span class="token operator">&gt;</span> <span class="token parameter variable">-td</span> <span class="token operator">&lt;</span>directory<span class="token operator">&gt;</span> <span class="token punctuation">[</span>-tf <span class="token operator">&lt;</span>time-format<span class="token operator">&gt;</span> <span class="token parameter variable">-datatype</span> <span class="token operator">&lt;</span>true/false<span class="token operator">&gt;</span> <span class="token parameter variable">-q</span> <span class="token operator">&lt;</span>query command<span class="token operator">&gt;</span> <span class="token parameter variable">-s</span> <span class="token operator">&lt;</span>sql file<span class="token operator">&gt;</span><span class="token punctuation">]</span>

<span class="token comment"># Windows</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>export-csv.bat <span class="token parameter variable">-h</span> <span class="token operator">&lt;</span>ip<span class="token operator">&gt;</span> <span class="token parameter variable">-p</span> <span class="token operator">&lt;</span>port<span class="token operator">&gt;</span> <span class="token parameter variable">-u</span> <span class="token operator">&lt;</span>username<span class="token operator">&gt;</span> <span class="token parameter variable">-pw</span> <span class="token operator">&lt;</span>password<span class="token operator">&gt;</span> <span class="token parameter variable">-td</span> <span class="token operator">&lt;</span>directory<span class="token operator">&gt;</span> <span class="token punctuation">[</span>-tf <span class="token operator">&lt;</span>time-format<span class="token operator">&gt;</span> <span class="token parameter variable">-datatype</span> <span class="token operator">&lt;</span>true/false<span class="token operator">&gt;</span> <span class="token parameter variable">-q</span> <span class="token operator">&lt;</span>query command<span class="token operator">&gt;</span> <span class="token parameter variable">-s</span> <span class="token operator">&lt;</span>sql file<span class="token operator">&gt;</span><span class="token punctuation">]</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>参数:</p>`,3),v=n("<li><code>-datatype</code>: <ul><li>true (默认): 在CSV文件的header中时间序列的后面打印出对应的数据类型。例如：<code>Time, root.sg1.d1.s1(INT32), root.sg1.d1.s2(INT64)</code>.</li><li>false: 只在CSV的header中打印出时间序列的名字, <code>Time, root.sg1.d1.s1 , root.sg1.d1.s2</code></li></ul></li><li><code>-q &lt;query command&gt;</code>: <ul><li>在命令中直接指定想要执行的查询语句。</li><li>例如: <code>select * from root.** limit 100</code>, or <code>select * from root.** limit 100 align by device</code></li></ul></li><li><code>-s &lt;sql file&gt;</code>: <ul><li>指定一个SQL文件，里面包含一条或多条SQL语句。如果一个SQL文件中包含多条SQL语句，SQL语句之间应该用换行符进行分割。每一条SQL语句对应一个输出的CSV文件。</li></ul></li><li><code>-td &lt;directory&gt;</code>: <ul><li>为导出的CSV文件指定输出路径。</li></ul></li>",4),h=a("code",null,"-tf <time-format>",-1),g={href:"https://calendars.wikia.org/wiki/ISO_8601",target:"_blank",rel:"noopener noreferrer"},f=a("code",null,"-tf timestamp",-1),T=a("li",null,[s("例如: "),a("code",null,"-tf yyyy-MM-dd\\ HH:mm:ss"),s(" or "),a("code",null,"-tf timestamp")],-1),y=n("<li><code>-linesPerFile &lt;int&gt;</code>: <ul><li>指定导出的dump文件最大行数，默认值为<code>10000</code>。</li><li>例如： <code>-linesPerFile 1</code></li></ul></li><li><code>-t &lt;timeout&gt;</code>: <ul><li>指定session查询时的超时时间，单位为ms</li></ul></li>",2),w=n(`<p>除此之外，如果你没有使用<code>-s</code>和<code>-q</code>参数，在导出脚本被启动之后你需要按照程序提示输入查询语句，不同的查询结果会被保存到不同的CSV文件中。</p><h3 id="运行示例" tabindex="-1"><a class="header-anchor" href="#运行示例"><span>运行示例</span></a></h3><div class="language-bash line-numbers-mode" data-ext="sh" data-title="sh"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-q</span> <span class="token string">&quot;select * from root.**&quot;</span>
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-s</span> sql.txt
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt <span class="token parameter variable">-linesPerFile</span> <span class="token number">10</span>
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt <span class="token parameter variable">-linesPerFile</span> <span class="token number">10</span> <span class="token parameter variable">-t</span> <span class="token number">10000</span>

<span class="token comment"># Windows</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-q</span> <span class="token string">&quot;select * from root.**&quot;</span>
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-s</span> sql.txt
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt <span class="token parameter variable">-linesPerFile</span> <span class="token number">10</span>
<span class="token comment"># Or</span>
<span class="token operator">&gt;</span> tools/export-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-td</span> ./ <span class="token parameter variable">-tf</span> yyyy-MM-dd<span class="token punctuation">\\</span> HH:mm:ss <span class="token parameter variable">-s</span> sql.txt <span class="token parameter variable">-linesPerFile</span> <span class="token number">10</span> <span class="token parameter variable">-t</span> <span class="token number">10000</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="sql-文件示例" tabindex="-1"><a class="header-anchor" href="#sql-文件示例"><span>SQL 文件示例</span></a></h3><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span><span class="token punctuation">;</span>
<span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span> align <span class="token keyword">by</span> device<span class="token punctuation">;</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p><code>select * from root.**</code>的执行结果：</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf04<span class="token punctuation">.</span>wt04<span class="token punctuation">.</span><span class="token keyword">status</span><span class="token punctuation">(</span><span class="token keyword">BOOLEAN</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf03<span class="token punctuation">.</span>wt03<span class="token punctuation">.</span>hardware<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span><span class="token punctuation">(</span><span class="token keyword">BOOLEAN</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span>hardware<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span>hardware<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span><span class="token keyword">status</span><span class="token punctuation">(</span><span class="token keyword">BOOLEAN</span><span class="token punctuation">)</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span>v1<span class="token punctuation">,</span><span class="token boolean">true</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token boolean">true</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p><code>select * from root.** align by device</code>的执行结果：</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>Device<span class="token punctuation">,</span>hardware<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token keyword">status</span><span class="token punctuation">(</span><span class="token keyword">BOOLEAN</span><span class="token punctuation">)</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span><span class="token boolean">true</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token boolean">true</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span><span class="token boolean">true</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf03<span class="token punctuation">.</span>wt03<span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf03<span class="token punctuation">.</span>wt03<span class="token punctuation">,</span><span class="token string">&quot;v1&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf04<span class="token punctuation">.</span>wt04<span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token boolean">true</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf04<span class="token punctuation">.</span>wt04<span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token boolean">true</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>布尔类型的数据用<code>true</code>或者<code>false</code>来表示，此处没有用双引号括起来。文本数据需要使用双引号括起来。</p><h3 id="注意" tabindex="-1"><a class="header-anchor" href="#注意"><span>注意</span></a></h3><p>注意，如果导出字段存在如下特殊字符:</p><ol><li><code>,</code>: 导出程序会在<code>,</code>字符前加<code>\\</code>来进行转义。</li></ol>`,13),x={id:"使用-import-csv-sh",tabindex:"-1"},q={class:"header-anchor",href:"#使用-import-csv-sh"},E={href:"http://import-csv.sh",target:"_blank",rel:"noopener noreferrer"},S=n(`<h3 id="创建元数据-可选" tabindex="-1"><a class="header-anchor" href="#创建元数据-可选"><span>创建元数据 (可选)</span></a></h3><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">CREATE</span> <span class="token keyword">DATABASE</span> root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> <span class="token keyword">DATABASE</span> root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> <span class="token keyword">DATABASE</span> root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>p<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s1 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span>ENCODING<span class="token operator">=</span>RLE<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s2 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span><span class="token keyword">TEXT</span><span class="token punctuation">,</span>ENCODING<span class="token operator">=</span>PLAIN<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">.</span>s1 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span>ENCODING<span class="token operator">=</span>RLE<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">.</span>s3 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span>ENCODING<span class="token operator">=</span>RLE<span class="token punctuation">;</span>
<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>p<span class="token punctuation">.</span>s1 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span>ENCODING<span class="token operator">=</span>RLE<span class="token punctuation">;</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>IoTDB 具有类型推断的能力，因此在数据导入前创建元数据不是必须的。但我们仍然推荐在使用 CSV 导入工具导入数据前创建元数据，因为这可以避免不必要的类型转换错误。</p><h3 id="待导入-csv-文件示例" tabindex="-1"><a class="header-anchor" href="#待导入-csv-文件示例"><span>待导入 CSV 文件示例</span></a></h3><p>通过时间对齐，并且header中不包含数据类型的数据。</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">.</span>str<span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">.</span>str<span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">.</span><span class="token keyword">int</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token string">&quot;123hello world&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;123\\,abc&quot;</span><span class="token punctuation">,</span><span class="token number">100</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token string">&quot;123&quot;</span><span class="token punctuation">,</span><span class="token punctuation">,</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>通过时间对齐，并且header中包含数据类型的数据。（Text类型数据支持加双引号和不加双引号）</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">.</span>str<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">.</span>str<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">.</span><span class="token keyword">int</span><span class="token punctuation">(</span>INT32<span class="token punctuation">)</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token string">&quot;123hello world&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;123\\,abc&quot;</span><span class="token punctuation">,</span><span class="token number">100</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token number">123</span><span class="token punctuation">,</span>hello world<span class="token punctuation">,</span><span class="token number">123</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.003</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token string">&quot;123&quot;</span><span class="token punctuation">,</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.004</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span><span class="token number">123</span><span class="token punctuation">,</span><span class="token punctuation">,</span><span class="token number">12</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>通过设备对齐，并且header中不包含数据类型的数据。</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>Device<span class="token punctuation">,</span>str<span class="token punctuation">,</span><span class="token keyword">int</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">,</span><span class="token string">&quot;123hello world&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">,</span><span class="token string">&quot;123&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">,</span><span class="token string">&quot;123\\,abc&quot;</span><span class="token punctuation">,</span><span class="token number">100</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>通过设备对齐，并且header中包含数据类型的数据。（Text类型数据支持加双引号和不加双引号）</p><div class="language-sql line-numbers-mode" data-ext="sql" data-title="sql"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>Device<span class="token punctuation">,</span>str<span class="token punctuation">(</span><span class="token keyword">TEXT</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token keyword">int</span><span class="token punctuation">(</span>INT32<span class="token punctuation">)</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">,</span><span class="token string">&quot;123hello world&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">,</span><span class="token string">&quot;123&quot;</span><span class="token punctuation">,</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.001</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t2<span class="token punctuation">,</span><span class="token string">&quot;123\\,abc&quot;</span><span class="token punctuation">,</span><span class="token number">100</span>
<span class="token number">1970</span><span class="token operator">-</span><span class="token number">01</span><span class="token operator">-</span><span class="token number">01</span>T08:<span class="token number">00</span>:<span class="token number">00.002</span><span class="token operator">+</span><span class="token number">08</span>:<span class="token number">00</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>test<span class="token punctuation">.</span>t1<span class="token punctuation">,</span>hello world<span class="token punctuation">,</span><span class="token number">123</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="运行方法-1" tabindex="-1"><a class="header-anchor" href="#运行方法-1"><span>运行方法</span></a></h3><div class="language-bash line-numbers-mode" data-ext="sh" data-title="sh"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
<span class="token operator">&gt;</span>tools/import-csv.sh <span class="token parameter variable">-h</span> <span class="token operator">&lt;</span>ip<span class="token operator">&gt;</span> <span class="token parameter variable">-p</span> <span class="token operator">&lt;</span>port<span class="token operator">&gt;</span> <span class="token parameter variable">-u</span> <span class="token operator">&lt;</span>username<span class="token operator">&gt;</span> <span class="token parameter variable">-pw</span> <span class="token operator">&lt;</span>password<span class="token operator">&gt;</span> <span class="token parameter variable">-f</span> <span class="token operator">&lt;</span>xxx.csv<span class="token operator">&gt;</span> <span class="token punctuation">[</span>-fd <span class="token operator">&lt;</span>./failedDirectory<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-aligned <span class="token operator">&lt;</span>true<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-tp <span class="token operator">&lt;</span>ms/ns/us<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-typeInfer <span class="token operator">&lt;</span>boolean<span class="token operator">=</span>text,float<span class="token operator">=</span>double<span class="token punctuation">..</span>.<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-linesPerFailedFile <span class="token operator">&lt;</span>int_value<span class="token operator">&gt;</span><span class="token punctuation">]</span>
<span class="token comment"># Windows</span>
<span class="token operator">&gt;</span>tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token operator">&lt;</span>ip<span class="token operator">&gt;</span> <span class="token parameter variable">-p</span> <span class="token operator">&lt;</span>port<span class="token operator">&gt;</span> <span class="token parameter variable">-u</span> <span class="token operator">&lt;</span>username<span class="token operator">&gt;</span> <span class="token parameter variable">-pw</span> <span class="token operator">&lt;</span>password<span class="token operator">&gt;</span> <span class="token parameter variable">-f</span> <span class="token operator">&lt;</span>xxx.csv<span class="token operator">&gt;</span> <span class="token punctuation">[</span>-fd <span class="token operator">&lt;</span>./failedDirectory<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-aligned <span class="token operator">&lt;</span>true<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-tp <span class="token operator">&lt;</span>ms/ns/us<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-typeInfer <span class="token operator">&lt;</span>boolean<span class="token operator">=</span>text,float<span class="token operator">=</span>double<span class="token punctuation">..</span>.<span class="token operator">&gt;</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-linesPerFailedFile <span class="token operator">&lt;</span>int_value<span class="token operator">&gt;</span><span class="token punctuation">]</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>参数:</p><ul><li><p><code>-f</code>:</p><ul><li>指定你想要导入的数据，这里可以指定文件或者文件夹。如果指定的是文件夹，将会把文件夹中所有的后缀为txt与csv的文件进行批量导入。</li><li>例如: <code>-f filename.csv</code></li></ul></li><li><p><code>-fd</code>:</p><ul><li>指定一个目录来存放保存失败的行的文件，如果你没有指定这个参数，失败的文件将会被保存到源数据的目录中，然后文件名是源文件名加上<code>.failed</code>的后缀。</li><li>例如: <code>-fd ./failed/</code></li></ul></li><li><p><code>-aligned</code>:</p><ul><li>是否使用<code>aligned</code>接口？ 默认参数为<code>false</code>。</li><li>例如: <code>-aligned true</code></li></ul></li><li><p><code>-batch</code>:</p><ul><li>用于指定每一批插入的数据的点数。如果程序报了<code>org.apache.thrift.transport.TTransportException: Frame size larger than protect max size</code>这个错的话，就可以适当的调低这个参数。</li><li>例如: <code>-batch 100000</code>，<code>100000</code>是默认值。</li></ul></li><li><p><code>-tp</code>:</p><ul><li>用于指定时间精度，可选值包括<code>ms</code>（毫秒），<code>ns</code>（纳秒），<code>us</code>（微秒），默认值为<code>ms</code>。</li></ul></li><li><p><code>-typeInfer &lt;srcTsDataType1=dstTsDataType1,srcTsDataType2=dstTsDataType2,...&gt;</code>:</p><ul><li>用于指定类型推断规则.</li><li><code>srcTsDataType</code> 包括 <code>boolean</code>,<code>int</code>,<code>long</code>,<code>float</code>,<code>double</code>,<code>NaN</code>.</li><li><code>dstTsDataType</code> 包括 <code>boolean</code>,<code>int</code>,<code>long</code>,<code>float</code>,<code>double</code>,<code>text</code>.</li><li>当<code>srcTsDataType</code>为<code>boolean</code>, <code>dstTsDataType</code>只能为<code>boolean</code>或<code>text</code>.</li><li>当<code>srcTsDataType</code>为<code>NaN</code>, <code>dstTsDataType</code>只能为<code>float</code>, <code>double</code>或<code>text</code>.</li><li>当<code>srcTsDataType</code>为数值类型, <code>dstTsDataType</code>的精度需要高于<code>srcTsDataType</code>.</li><li>例如:<code>-typeInfer boolean=text,float=double</code></li></ul></li><li><p><code>-linesPerFailedFile &lt;int&gt;</code>:</p><ul><li>用于指定每个导入失败文件写入数据的行数，默认值为10000。</li><li>例如：<code>-linesPerFailedFile 1</code></li></ul></li></ul><h3 id="运行示例-1" tabindex="-1"><a class="header-anchor" href="#运行示例-1"><span>运行示例</span></a></h3><div class="language-bash line-numbers-mode" data-ext="sh" data-title="sh"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
<span class="token operator">&gt;</span>tools/import-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> ./failed
<span class="token comment"># or</span>
<span class="token operator">&gt;</span>tools/import-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> ./failed
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> ./failed <span class="token parameter variable">-tp</span> ns
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> ./failed <span class="token parameter variable">-tp</span> ns <span class="token parameter variable">-typeInfer</span> <span class="token assign-left variable">boolean</span><span class="token operator">=</span>text,float<span class="token operator">=</span>double
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.sh <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> ./failed <span class="token parameter variable">-tp</span> ns <span class="token parameter variable">-typeInfer</span> <span class="token assign-left variable">boolean</span><span class="token operator">=</span>text,float<span class="token operator">=</span>double <span class="token parameter variable">-linesPerFailedFile</span> <span class="token number">10</span>
<span class="token comment"># Windows</span>
<span class="token operator">&gt;</span>tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv
<span class="token comment"># or</span>
<span class="token operator">&gt;</span>tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> .<span class="token punctuation">\\</span>failed
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> .<span class="token punctuation">\\</span>failed <span class="token parameter variable">-tp</span> ns
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> .<span class="token punctuation">\\</span>failed <span class="token parameter variable">-tp</span> ns <span class="token parameter variable">-typeInfer</span> <span class="token assign-left variable">boolean</span><span class="token operator">=</span>text,float<span class="token operator">=</span>double
<span class="token comment"># or</span>
<span class="token operator">&gt;</span> tools<span class="token punctuation">\\</span>import-csv.bat <span class="token parameter variable">-h</span> <span class="token number">127.0</span>.0.1 <span class="token parameter variable">-p</span> <span class="token number">6667</span> <span class="token parameter variable">-u</span> root <span class="token parameter variable">-pw</span> root <span class="token parameter variable">-f</span> example-filename.csv <span class="token parameter variable">-fd</span> .<span class="token punctuation">\\</span>failed <span class="token parameter variable">-tp</span> ns <span class="token parameter variable">-typeInfer</span> <span class="token assign-left variable">boolean</span><span class="token operator">=</span>text,float<span class="token operator">=</span>double <span class="token parameter variable">-linesPerFailedFile</span> <span class="token number">10</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="注意-1" tabindex="-1"><a class="header-anchor" href="#注意-1"><span>注意</span></a></h3><p>注意，在导入数据前，需要特殊处理下列的字符：</p><ol><li><code>,</code> :如果text类型的字段中包含<code>,</code>那么需要用<code>\\</code>来进行转义。</li><li>你可以导入像<code>yyyy-MM-dd&#39;T&#39;HH:mm:ss</code>， <code>yyy-MM-dd HH:mm:ss</code>， 或者 <code>yyyy-MM-dd&#39;T&#39;HH:mm:ss.SSSZ</code>格式的时间。</li><li><code>Time</code>这一列应该放在第一列。</li></ol>`,21);function _(I,C){const e=o("ExternalLinkIcon");return l(),r("div",null,[i,u,a("h2",k,[a("a",d,[a("span",null,[s("使用 "),a("a",m,[s("export-csv.sh"),p(e)])])])]),b,a("ul",null,[v,a("li",null,[h,s(": "),a("ul",null,[a("li",null,[s("指定一个你想要得到的时间格式。时间格式必须遵守"),a("a",g,[s("ISO 8601"),p(e)]),s("标准。如果说你想要以时间戳来保存时间，那就设置为"),f,s("。")]),T])]),y]),w,a("h2",x,[a("a",q,[a("span",null,[s("使用 "),a("a",E,[s("import-csv.sh"),p(e)])])])]),S])}const V=t(c,[["render",_],["__file","CSV-Tool.html.vue"]]),N=JSON.parse('{"path":"/zh/UserGuide/V1.0.x/Maintenance-Tools/CSV-Tool.html","title":"导入导出 CSV","lang":"zh-CN","frontmatter":{"description":"导入导出 CSV CSV 工具可帮您将 CSV 格式的数据导入到 IoTDB 或者将数据从 IoTDB 导出到 CSV 文件。 使用 export-csv.sh 运行方法 参数: -datatype: true (默认): 在CSV文件的header中时间序列的后面打印出对应的数据类型。例如：Time, root.sg1.d1.s1(INT32), r...","head":[["link",{"rel":"alternate","hreflang":"en-us","href":"https://iotdb.apache.org/UserGuide/V1.0.x/Maintenance-Tools/CSV-Tool.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/zh/UserGuide/V1.0.x/Maintenance-Tools/CSV-Tool.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:title","content":"导入导出 CSV"}],["meta",{"property":"og:description","content":"导入导出 CSV CSV 工具可帮您将 CSV 格式的数据导入到 IoTDB 或者将数据从 IoTDB 导出到 CSV 文件。 使用 export-csv.sh 运行方法 参数: -datatype: true (默认): 在CSV文件的header中时间序列的后面打印出对应的数据类型。例如：Time, root.sg1.d1.s1(INT32), r..."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"zh-CN"}],["meta",{"property":"og:locale:alternate","content":"en-US"}],["meta",{"property":"og:updated_time","content":"2023-07-10T03:11:17.000Z"}],["meta",{"property":"article:modified_time","content":"2023-07-10T03:11:17.000Z"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"导入导出 CSV\\",\\"image\\":[\\"\\"],\\"dateModified\\":\\"2023-07-10T03:11:17.000Z\\",\\"author\\":[]}"]]},"headers":[{"level":2,"title":"使用 export-csv.sh","slug":"使用-export-csv-sh","link":"#使用-export-csv-sh","children":[{"level":3,"title":"运行方法","slug":"运行方法","link":"#运行方法","children":[]},{"level":3,"title":"运行示例","slug":"运行示例","link":"#运行示例","children":[]},{"level":3,"title":"SQL 文件示例","slug":"sql-文件示例","link":"#sql-文件示例","children":[]},{"level":3,"title":"注意","slug":"注意","link":"#注意","children":[]}]},{"level":2,"title":"使用 import-csv.sh","slug":"使用-import-csv-sh","link":"#使用-import-csv-sh","children":[{"level":3,"title":"创建元数据 (可选)","slug":"创建元数据-可选","link":"#创建元数据-可选","children":[]},{"level":3,"title":"待导入 CSV 文件示例","slug":"待导入-csv-文件示例","link":"#待导入-csv-文件示例","children":[]},{"level":3,"title":"运行方法","slug":"运行方法-1","link":"#运行方法-1","children":[]},{"level":3,"title":"运行示例","slug":"运行示例-1","link":"#运行示例-1","children":[]},{"level":3,"title":"注意","slug":"注意-1","link":"#注意-1","children":[]}]}],"git":{"createdTime":1688958677000,"updatedTime":1688958677000,"contributors":[{"name":"CritasWang","email":"critas@outlook.com","commits":1}]},"readingTime":{"minutes":7.21,"words":2164},"filePathRelative":"zh/UserGuide/V1.0.x/Maintenance-Tools/CSV-Tool.md","localizedDate":"2023年7月10日","autoDesc":true}');export{V as comp,N as data};