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| <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 User Guide (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Get Started</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Overview</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Concept</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Server</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Client</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Operation Manual</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>System Tools</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/UserGuide/Master/System Tools/Sync Tool.html" class="sidebar-link">Sync Tool</a></li><li><a href="/UserGuide/Master/System Tools/JMX Tool.html" class="sidebar-link">JMX Tool</a></li><li><a href="/UserGuide/Master/System Tools/Watermark Tool.html" class="sidebar-link">Watermark Tool</a></li><li><a href="/UserGuide/Master/System Tools/Query History Visualization Tool.html" class="sidebar-link">Query History Visualization Tool</a></li><li><a href="/UserGuide/Master/System Tools/Monitor and Log Tools.html" class="sidebar-link">Monitor and Log Tools</a></li><li><a href="/UserGuide/Master/System Tools/Load External Tsfile.html" class="sidebar-link">Load External Tsfile</a></li><li><a href="/UserGuide/Master/System Tools/Performance Tracing Tool.html" class="sidebar-link">Performance Tracing Tool</a></li><li><a href="/UserGuide/Master/System Tools/MLogParser Tool.html" class="sidebar-link">MLogParser Tool</a></li><li><a href="/UserGuide/Master/System Tools/NodeTool.html" class="sidebar-link">Node Tool</a></li><li><a href="/UserGuide/Master/System Tools/CSV Tool.html" class="active sidebar-link">CSV Tool</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Ecosystem Integration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Architecture</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Comparison with TSDBs</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="csv-tool"><a href="#csv-tool" class="header-anchor">#</a> CSV Tool</h1> <p>The CSV tool can help you import data in CSV format to IoTDB or export data from IoTDB to a CSV file.</p> <h2 id="usage-of-import-csv-sh"><a href="#usage-of-import-csv-sh" class="header-anchor">#</a> Usage of import-csv.sh</h2> <h3 id="create-metadata-optional"><a href="#create-metadata-optional" class="header-anchor">#</a> Create metadata (optional)</h3> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</span> root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">;</span> |
| <span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</span> root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">;</span> |
| <span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</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-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 has the ability of type inference, so it is not necessary to create metadata before data import. However, we still recommend creating metadata before importing data using the CSV import tool, as this can avoid unnecessary type conversion errors.</p> <h3 id="sample-csv-file-to-be-imported"><a href="#sample-csv-file-to-be-imported" class="header-anchor">#</a> Sample CSV file to be imported</h3> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">Time</span><span class="token punctuation">,</span>root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s1<span class="token punctuation">,</span>root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s2<span class="token punctuation">,</span>root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">.</span>s1<span class="token punctuation">,</span>root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>d2<span class="token punctuation">.</span>s3<span class="token punctuation">,</span>root<span class="token punctuation">.</span>fit<span class="token punctuation">.</span>p<span class="token punctuation">.</span>s1 |
| <span class="token number">1</span><span class="token punctuation">,</span><span class="token number">100</span><span class="token punctuation">,</span>hello<span class="token punctuation">,</span><span class="token number">200</span><span class="token punctuation">,</span><span class="token number">300</span><span class="token punctuation">,</span><span class="token number">400</span> |
| <span class="token number">2</span><span class="token punctuation">,</span><span class="token number">500</span><span class="token punctuation">,</span>world<span class="token punctuation">,</span><span class="token number">600</span><span class="token punctuation">,</span><span class="token number">700</span><span class="token punctuation">,</span><span class="token number">800</span> |
| <span class="token number">3</span><span class="token punctuation">,</span><span class="token number">900</span><span class="token punctuation">,</span><span class="token string">"hello, \"world\""</span><span class="token punctuation">,</span><span class="token number">1000</span><span class="token punctuation">,</span><span class="token number">1100</span><span class="token punctuation">,</span><span class="token number">1200</span> |
| </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><h3 id="syntax"><a href="#syntax" class="header-anchor">#</a> Syntax</h3> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> tools/import-csv.sh -h <span class="token operator"><</span>ip<span class="token operator">></span> -p <span class="token operator"><</span>port<span class="token operator">></span> -u <span class="token operator"><</span>username<span class="token operator">></span> -pw <span class="token operator"><</span>password<span class="token operator">></span> -f <span class="token operator"><</span>xxx.csv<span class="token operator">></span> |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> tools<span class="token punctuation">\</span>import-csv.bat -h <span class="token operator"><</span>ip<span class="token operator">></span> -p <span class="token operator"><</span>port<span class="token operator">></span> -u <span class="token operator"><</span>username<span class="token operator">></span> -pw <span class="token operator"><</span>password<span class="token operator">></span> -f <span class="token operator"><</span>xxx.csv<span class="token operator">></span> |
| </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><h3 id="example"><a href="#example" class="header-anchor">#</a> Example</h3> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> tools/import-csv.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -f example-filename.csv |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> tools<span class="token punctuation">\</span>import-csv.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -f example-filename.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><h3 id="note"><a href="#note" class="header-anchor">#</a> Note</h3> <p>Note that the following special characters in fields need to be checked before importing:</p> <ol><li><code>,</code> : fields containing <code>,</code> should be quoted by a pair of <code>"</code> or a pair of <code>'</code>.</li> <li><code>"</code> : <code>"</code> in fields should be replaced by <code>\"</code> or fields should be enclosed by <code>'</code>.</li> <li><code>'</code> : <code>'</code> in fields should be replaced by <code>\'</code> or fields should be enclosed by <code>"</code>.</li> <li>you can input time format like <code>yyyy-MM-dd'T'HH:mm:ss</code>, <code>yyy-MM-dd HH:mm:ss</code>, or <code>yyyy-MM-dd'T'HH:mm:ss.SSSZ</code>.</li></ol> <h2 id="usage-of-export-csv-sh"><a href="#usage-of-export-csv-sh" class="header-anchor">#</a> Usage of export-csv.sh</h2> <h3 id="syntax-2"><a href="#syntax-2" class="header-anchor">#</a> Syntax</h3> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> tools/export-csv.sh -h <span class="token operator"><</span>ip<span class="token operator">></span> -p <span class="token operator"><</span>port<span class="token operator">></span> -u <span class="token operator"><</span>username<span class="token operator">></span> -pw <span class="token operator"><</span>password<span class="token operator">></span> -td <span class="token operator"><</span>directory<span class="token operator">></span> <span class="token punctuation">[</span>-tf <span class="token operator"><</span>time-format<span class="token operator">></span> -s <span class="token operator"><</span>sqlfile<span class="token operator">></span><span class="token punctuation">]</span> |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> tools<span class="token punctuation">\</span>export-csv.bat -h <span class="token operator"><</span>ip<span class="token operator">></span> -p <span class="token operator"><</span>port<span class="token operator">></span> -u <span class="token operator"><</span>username<span class="token operator">></span> -pw <span class="token operator"><</span>password<span class="token operator">></span> -td <span class="token operator"><</span>directory<span class="token operator">></span> <span class="token punctuation">[</span>-tf <span class="token operator"><</span>time-format<span class="token operator">></span> -s <span class="token operator"><</span>sqlfile<span class="token operator">></span><span class="token punctuation">]</span> |
| </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>After running the export script, you need to enter some queries or specify some SQL files. If there are multiple SQLs in one SQL file, the SQLs should be separated by line breaks.</p> <h3 id="sample-sql-file"><a href="#sample-sql-file" class="header-anchor">#</a> Sample SQL file</h3> <div class="language-sql line-numbers-mode"><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>fit<span class="token punctuation">.</span>d1 |
| <span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="example-2"><a href="#example-2" class="header-anchor">#</a> Example</h3> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> tools/export-csv.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -tf yyyy-MM-dd<span class="token punctuation">\</span> HH:mm:ss |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -s sql.txt |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -tf yyyy-MM-dd<span class="token punctuation">\</span> HH:mm:ss -s sql.txt |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> tools/export-csv.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -tf yyyy-MM-dd<span class="token punctuation">\</span> HH:mm:ss |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -s sql.txt |
| <span class="token comment"># Or</span> |
| <span class="token operator">></span> tools/export-csv.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root -td ./ -tf yyyy-MM-dd<span class="token punctuation">\</span> HH:mm:ss -s sql.txt |
| </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><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br></div></div><h3 id="note-2"><a href="#note-2" class="header-anchor">#</a> Note</h3> <p>Note that if fields exported by the export tool have the following special characters:</p> <ol><li><code>,</code>: the field will be enclosed by <code>"</code>.</li> <li><code>"</code>: the field will be enclosed by <code>"</code> and the original characters <code>"</code> in the field will be replaced by <code>\"</code>.</li></ol></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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