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class="vp-page"><!--[--><!--[--><!----><!--]--><!----><nav class="vp-breadcrumb disable"></nav><div class="vp-page-title"><h1><!---->Node.js Native API</h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="Writing Date"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 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364.8h-44.8V128c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v236.8h-44.8C145.067 364.8 96 413.867 96 473.6v192c0 59.733 49.067 108.8 108.8 108.8h44.8V896c0 17.067 14.933 32 32 32h460.8c17.067 0 32-14.933 32-32V774.4h44.8c59.733 0 108.8-49.067 108.8-108.8v-192c0-59.733-49.067-108.8-108.8-108.8zM313.6 160h396.8v204.8H313.6V160zm396.8 704H313.6V620.8h396.8V864zM864 665.6c0 25.6-19.2 44.8-44.8 44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button><div class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#dependents">Dependents</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#compile-the-thrift-library-and-generate-the-node-js-native-interface">Compile the Thrift library and generate the Node.js native interface</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#using-the-node-js-native-interface">Using the Node.js native interface</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#rpc-interface">rpc interface</a></li><!----><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="node-js-native-api" tabindex="-1"><a class="header-anchor" href="#node-js-native-api"><span>Node.js Native API</span></a></h1><p>IoTDB uses Thrift as a cross language RPC framework, so access to IoTDB can be achieved through the interface provided by Thrift. This document will introduce how to generate a native Node.js interface that can access IoTDB.</p><h2 id="dependents" tabindex="-1"><a class="header-anchor" href="#dependents"><span>Dependents</span></a></h2><ul><li>JDK &gt;= 1.8</li><li>Node.js &gt;= 16.0.0</li><li>thrift 0.14.1</li><li>Linux、Macos or like unix</li><li>Windows+bash</li></ul><p>Thrift (0.14.1 or higher) must be installed to compile Thrift files into Node.js code. The following is the official installation tutorial, and in the end, you should receive a Thrift executable file.</p><div class="language-text line-numbers-mode" data-ext="text" data-title="text"><pre class="language-text"><code>http://thrift.apache.org/docs/install/
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><h2 id="compile-the-thrift-library-and-generate-the-node-js-native-interface" tabindex="-1"><a class="header-anchor" href="#compile-the-thrift-library-and-generate-the-node-js-native-interface"><span>Compile the Thrift library and generate the Node.js native interface</span></a></h2><ol><li>Find the pom.xml file in the root directory of the IoTDB source code folder.</li><li>Open the pom.xml file and find the following content:</li></ol><div class="language-xml line-numbers-mode" data-ext="xml" data-title="xml"><pre class="language-xml"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>execution</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>id</span><span class="token punctuation">&gt;</span></span>generate-thrift-sources-java<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>id</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>phase</span><span class="token punctuation">&gt;</span></span>generate-sources<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>phase</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>goals</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>goal</span><span class="token punctuation">&gt;</span></span>compile<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>goal</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>goals</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>configuration</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>generator</span><span class="token punctuation">&gt;</span></span>java<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>generator</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>thriftExecutable</span><span class="token punctuation">&gt;</span></span>${thrift.exec.absolute.path}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>thriftExecutable</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>thriftSourceRoot</span><span class="token punctuation">&gt;</span></span>${basedir}/src/main/thrift<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>thriftSourceRoot</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>configuration</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>execution</span><span class="token punctuation">&gt;</span></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></div><ol start="3"><li>Referring to this setting, add the following content to the pom.xml file to generate the native interface for Node.js:</li></ol><div class="language-xml line-numbers-mode" data-ext="xml" data-title="xml"><pre class="language-xml"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>execution</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>id</span><span class="token punctuation">&gt;</span></span>generate-thrift-sources-nodejs<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>id</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>phase</span><span class="token punctuation">&gt;</span></span>generate-sources<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>phase</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>goals</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>goal</span><span class="token punctuation">&gt;</span></span>compile<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>goal</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>goals</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>configuration</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>generator</span><span class="token punctuation">&gt;</span></span>js:node<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>generator</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>thriftExecutable</span><span class="token punctuation">&gt;</span></span>${thrift.exec.absolute.path}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>thriftExecutable</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>thriftSourceRoot</span><span class="token punctuation">&gt;</span></span>${basedir}/src/main/thrift<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>thriftSourceRoot</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>includes</span><span class="token punctuation">&gt;</span></span>**/common.thrift,**/client.thrift<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>includes</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>outputDirectory</span><span class="token punctuation">&gt;</span></span>${project.build.directory}/generated-sources-nodejs<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>outputDirectory</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>configuration</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>execution</span><span class="token punctuation">&gt;</span></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></div><ol start="4"><li>In the root directory of the IoTDB source code folder，run <code>mvn clean generate-sources</code>，</li></ol><p>This command will automatically delete the files in <code>iotdb/iotdb-protocol/thrift/target</code> and <code>iotdb/iotdb-protocol/thrift-commons/target</code>, and repopulate the folder with the newly generated throttle file.</p><h2 id="using-the-node-js-native-interface" tabindex="-1"><a class="header-anchor" href="#using-the-node-js-native-interface"><span>Using the Node.js native interface</span></a></h2><p>copy <code>iotdb/iotdb-protocol/thrift/target/generated-sources-nodejs/</code> and <code>iotdb/iotdb-protocol/thrift-commons/target/generated-sources-nodejs/</code> in your project。</p><h2 id="rpc-interface" tabindex="-1"><a class="header-anchor" href="#rpc-interface"><span>rpc interface</span></a></h2><div class="language-text line-numbers-mode" data-ext="text" data-title="text"><pre class="language-text"><code>// open a session
TSOpenSessionResp openSession(1:TSOpenSessionReq req);

// close a session
TSStatus closeSession(1:TSCloseSessionReq req);

// run an SQL statement in batch
TSExecuteStatementResp executeStatement(1:TSExecuteStatementReq req);

// execute SQL statement in batch
TSStatus executeBatchStatement(1:TSExecuteBatchStatementReq req);

// execute query SQL statement
TSExecuteStatementResp executeQueryStatement(1:TSExecuteStatementReq req);

// execute insert, delete and update SQL statement 
TSExecuteStatementResp executeUpdateStatement(1:TSExecuteStatementReq req);

// fetch next query result
TSFetchResultsResp fetchResults(1:TSFetchResultsReq req)

// fetch meta data
TSFetchMetadataResp fetchMetadata(1:TSFetchMetadataReq req)

// cancel a query 
TSStatus cancelOperation(1:TSCancelOperationReq req);

// close a query dataset
TSStatus closeOperation(1:TSCloseOperationReq req);

// get time zone
TSGetTimeZoneResp getTimeZone(1:i64 sessionId);

// set time zone
TSStatus setTimeZone(1:TSSetTimeZoneReq req);

// get server&#39;s properties
ServerProperties getProperties();

// CREATE DATABASE
TSStatus setStorageGroup(1:i64 sessionId, 2:string storageGroup);

// create timeseries
TSStatus createTimeseries(1:TSCreateTimeseriesReq req);

// create multi timeseries
TSStatus createMultiTimeseries(1:TSCreateMultiTimeseriesReq req);

// delete timeseries
TSStatus deleteTimeseries(1:i64 sessionId, 2:list&lt;string&gt; path)

// delete sttorage groups
TSStatus deleteStorageGroups(1:i64 sessionId, 2:list&lt;string&gt; storageGroup);

// insert record
TSStatus insertRecord(1:TSInsertRecordReq req);

// insert record in string format
TSStatus insertStringRecord(1:TSInsertStringRecordReq req);

// insert tablet
TSStatus insertTablet(1:TSInsertTabletReq req);

// insert tablets in batch
TSStatus insertTablets(1:TSInsertTabletsReq req);

// insert records in batch
TSStatus insertRecords(1:TSInsertRecordsReq req);

// insert records of one device
TSStatus insertRecordsOfOneDevice(1:TSInsertRecordsOfOneDeviceReq req);

// insert records in batch as string format
TSStatus insertStringRecords(1:TSInsertStringRecordsReq req);

// test the latency of innsert tablet，caution：no data will be inserted, only for test latency
TSStatus testInsertTablet(1:TSInsertTabletReq req);

// test the latency of innsert tablets，caution：no data will be inserted, only for test latency
TSStatus testInsertTablets(1:TSInsertTabletsReq req);

// test the latency of innsert record，caution：no data will be inserted, only for test latency
TSStatus testInsertRecord(1:TSInsertRecordReq req);

// test the latency of innsert record in string format，caution：no data will be inserted, only for test latency
TSStatus testInsertStringRecord(1:TSInsertStringRecordReq req);

// test the latency of innsert records，caution：no data will be inserted, only for test latency
TSStatus testInsertRecords(1:TSInsertRecordsReq req);

// test the latency of innsert records of one device，caution：no data will be inserted, only for test latency
TSStatus testInsertRecordsOfOneDevice(1:TSInsertRecordsOfOneDeviceReq req);

// test the latency of innsert records in string formate，caution：no data will be inserted, only for test latency
TSStatus testInsertStringRecords(1:TSInsertStringRecordsReq req);

// delete data
TSStatus deleteData(1:TSDeleteDataReq req);

// execute raw data query
TSExecuteStatementResp executeRawDataQuery(1:TSRawDataQueryReq req);

// request a statement id from server
i64 requestStatementId(1:i64 sessionId);
</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 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 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 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></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a href="https://github.com/apache/iotdb-docs/edit/main/src/UserGuide/latest/API/Programming-NodeJS-Native-API.md" rel="noopener noreferrer" target="_blank" aria-label="Found Error? 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