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| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>系统工具</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/System Tools/Sync Tool.html" class="sidebar-link">同步工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/JMX Tool.html" class="sidebar-link">JMX工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/Watermark Tool.html" class="sidebar-link">水印工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/Query History Visualization Tool.html" class="sidebar-link">查询历史可视化工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/Monitor and Log Tools.html" class="sidebar-link">监控与日志工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/Load External Tsfile.html" class="sidebar-link">加载外部tsfile文件</a></li><li><a href="/zh/UserGuide/Master/System Tools/Performance Tracing Tool.html" class="sidebar-link">性能追踪工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/MLogParser Tool.html" class="sidebar-link">MLog解析工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/NodeTool.html" class="sidebar-link">集群状态工具</a></li><li><a href="/zh/UserGuide/Master/System Tools/CSV Tool.html" class="active sidebar-link">CSV工具</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>生态集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="csv-工具"><a href="#csv-工具" class="header-anchor">#</a> CSV 工具</h1> <p>Csv工具是您可以导入csv文件到IoTDB或从IoTDB导出csv文件。</p> <h2 id="使用-import-csv-sh"><a href="#使用-import-csv-sh" class="header-anchor">#</a> 使用 import-csv.sh</h2> <h3 id="创建元数据-可选"><a href="#创建元数据-可选" class="header-anchor">#</a> 创建元数据（可选）</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>SET STORAGE GROUP TO root.fit.d1; |
| SET STORAGE GROUP TO root.fit.d2; |
| SET STORAGE GROUP TO root.fit.p; |
| CREATE TIMESERIES root.fit.d1.s1 WITH DATATYPE=INT32,ENCODING=RLE; |
| CREATE TIMESERIES root.fit.d1.s2 WITH DATATYPE=TEXT,ENCODING=PLAIN; |
| CREATE TIMESERIES root.fit.d2.s1 WITH DATATYPE=INT32,ENCODING=RLE; |
| CREATE TIMESERIES root.fit.d2.s3 WITH DATATYPE=INT32,ENCODING=RLE; |
| CREATE TIMESERIES root.fit.p.s1 WITH DATATYPE=INT32,ENCODING=RLE; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></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="从-csv-文件导入数据的示例"><a href="#从-csv-文件导入数据的示例" class="header-anchor">#</a> 从 csv 文件导入数据的示例</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>Time,root.fit.d1.s1,root.fit.d1.s2,root.fit.d2.s1,root.fit.d2.s3,root.fit.p.s1 |
| 1,100,hello,200,300,400 |
| 2,500,world,600,700,800 |
| 3,900,"hello, \"world\"",1000,1100,1200 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><blockquote><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> : 包含<code>,</code>的字段需要使用单引号或者双引号括起来</li> <li><code>"</code> : "字段中的<code>"</code>需要被替换成转义字符<code>\"</code>或者用<code>\'</code>将字段括起来。</li> <li><code>'</code> : "字段中的<code>'</code>需要被替换成转义字符<code>\'</code>或者用<code>\"</code>将字段括起来。</li></ol></blockquote> <h3 id="运行-import-shell"><a href="#运行-import-shell" class="header-anchor">#</a> 运行 import shell</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X |
| > tools/import-csv.sh -h <ip> -p <port> -u <username> -pw <password> -f <xxx.csv> |
| |
| # Windows |
| > tools\import-csv.bat -h <ip> -p <port> -u <username> -pw <password> -f <xxx.csv> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="使用-export-csv-sh"><a href="#使用-export-csv-sh" class="header-anchor">#</a> 使用 export-csv.sh</h2> <h3 id="运行-export-shell"><a href="#运行-export-shell" class="header-anchor">#</a> 运行 export shell</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X |
| > tools/export-csv.sh -h <ip> -p <port> -u <username> -pw <password> -td <directory> [-tf <time-format> -s <sqlfile>] |
| |
| # Windows |
| > tools\export-csv.bat -h <ip> -p <port> -u <username> -pw <password> -td <directory> [-tf <time-format> -s <sqlfile>] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>在运行导出脚本之后，您需要输入一些查询或指定一些sql文件。如果在一个sql文件中有多个sql, sql应该被换行符分割。</p> <p>一个sql文件例子</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select * from root.fit.d1 |
| select * from root.sg1.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><blockquote><p>注意，如果导出字段存在如下特殊字符：</p> <ol><li><code>,</code> : 整个字段会被用<code>"</code>括起来。</li> <li><code>"</code> : 整个字段会被用<code>"</code>括起来且<code>"</code>会被替换为<code>\"</code>。</li></ol></blockquote></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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