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href="/docs/latest/engine_usage/jdbc">latest version</a></b> (<!-- -->1.1.2<!-- -->).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: <!-- -->Next(1.1.3)</span><div class="tocCollapsible_aw-L theme-doc-toc-mobile tocMobile_Tx6Y"><button type="button" class="clean-btn tocCollapsibleButton_zr6a">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>JDBC Engine Usage</h1></header><p>This article mainly introduces the configuration, deployment and use of JDBC EngineConn in Linkis1.0.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="1-environment-configuration-before-using-the-jdbc-engineconn"></a>1. Environment configuration before using the JDBC EngineConn<a class="hash-link" href="#1-environment-configuration-before-using-the-jdbc-engineconn" title="Direct link to heading">#</a></h2><p>If you want to use the JDBC EngineConn on your server, you need to prepare the JDBC connection information, such as the connection address, user name and password of the MySQL database, etc.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="2-jdbc-engineconn-configuration-and-deployment"></a>2. JDBC EngineConn configuration and deployment<a class="hash-link" href="#2-jdbc-engineconn-configuration-and-deployment" title="Direct link to heading">#</a></h2><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="21-jdbc-version-selection-and-compilation"></a>2.1 JDBC version selection and compilation<a class="hash-link" href="#21-jdbc-version-selection-and-compilation" title="Direct link to heading">#</a></h3><p>The JDBC EngineConn does not need to be compiled by the user, and the compiled JDBC EngineConn plug-in package can be used directly. Drivers that have been provided include MySQL, PostgreSQL, etc.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="22-jdbc-engineconn-deployment-and-loading"></a>2.2 JDBC EngineConn deployment and loading<a class="hash-link" href="#22-jdbc-engineconn-deployment-and-loading" title="Direct link to heading">#</a></h3><p>Here you can use the default loading method to use it normally, just install it according to the standard version.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="23-jdbc-engineconn-labels"></a>2.3 JDBC EngineConn Labels<a class="hash-link" href="#23-jdbc-engineconn-labels" title="Direct link to heading">#</a></h3><p>Here you can use the default dml.sql to insert it and it can be used normally.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="3-the-use-of-jdbc-engineconn"></a>3. The use of JDBC EngineConn<a class="hash-link" href="#3-the-use-of-jdbc-engineconn" title="Direct link to heading">#</a></h2><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="ready-to-operate"></a>Ready to operate<a class="hash-link" href="#ready-to-operate" title="Direct link to heading">#</a></h3><p>You need to configure JDBC connection information, including connection address information and user name and password.</p><p><img src="/assets/images/jdbc-conf-fd6af0efab661a52aa8109226ba46cfa.png"></p><p>Figure 3-1 JDBC configuration information</p><p>You can also specify in the RuntimeMap of the submitted task</p><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI shell"><pre tabindex="0" class="prism-code language-shell codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain">wds.linkis.jdbc.connect.url </span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">wds.linkis.jdbc.username</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">wds.linkis.jdbc.password</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="31-how-to-use-linkis-sdk"></a>3.1 How to use Linkis SDK<a class="hash-link" href="#31-how-to-use-linkis-sdk" title="Direct link to heading">#</a></h3><p>Linkis provides a client method to call jdbc tasks. The call method is through the SDK provided by LinkisClient. We provide java and scala two ways to call, the specific usage can refer to <a href="/docs/1.1.3/user_guide/sdk_manual">JAVA SDK Manual</a>. |
| If you use Hive, you only need to make the following changes:</p><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI java"><pre tabindex="0" class="prism-code language-java codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain"> Map<String, Object> labels = new HashMap<String, Object>();</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> labels.put(LabelKeyConstant.ENGINE_TYPE_KEY, "jdbc-4"); // required engineType Label</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> labels.put(LabelKeyConstant.USER_CREATOR_TYPE_KEY, "hadoop-IDE");// required execute user and creator</span></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> labels.put(LabelKeyConstant.CODE_TYPE_KEY, "jdbc"); // required codeType</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="32-how-to-use-linkis-cli"></a>3.2 How to use Linkis-cli<a class="hash-link" href="#32-how-to-use-linkis-cli" title="Direct link to heading">#</a></h3><p>After Linkis 1.0, you can submit tasks through cli. We only need to specify the corresponding EngineConn and CodeType tag types. The use of JDBC is as follows:</p><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI shell"><pre tabindex="0" class="prism-code language-shell codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token function" style="color:rgb(80, 250, 123)">sh</span><span class="token plain"> ./bin/linkis-cli -engineType jdbc-4 -codeType jdbc -code </span><span class="token string" style="color:rgb(255, 121, 198)">"show tables"</span><span class="token plain"> -submitUser hadoop -proxyUser hadoop</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>The specific usage can refer to <a href="/docs/1.1.3/user_guide/linkiscli_manual">Linkis CLI Manual</a>.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithStickyNavbar_y2LR" id="33-how-to-use-scriptis"></a>3.3 How to use Scriptis<a class="hash-link" href="#33-how-to-use-scriptis" title="Direct link to heading">#</a></h3><p>The way to use <a href="https://github.com/WeBankFinTech/Scriptis" target="_blank" rel="noopener noreferrer">Scriptis</a> is the simplest. You can go directly to Scriptis, right-click the directory and create a new JDBC script, write JDBC code and click Execute.</p><p>The execution principle of JDBC is to load the JDBC Driver and submit sql to the SQL server for execution and obtain the result set and return.</p><p><img src="/assets/images/jdbc-run-ab95f1b3857aca77b4fee06ce3f3f110.png"></p><p>Figure 3-2 Screenshot of the execution effect of JDBC</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithStickyNavbar_y2LR" id="4-jdbc-engineconn-user-settings"></a>4. JDBC EngineConn user settings<a class="hash-link" href="#4-jdbc-engineconn-user-settings" title="Direct link to heading">#</a></h2><p>JDBC user settings are mainly JDBC connection information, but it is recommended that users encrypt and manage this password and other information.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/incubator-linkis-website/edit/dev/docs/engine_usage/jdbc.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/docs/1.1.3/engine_usage/hive"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">« <!-- -->Hive Engine Usage</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/docs/1.1.3/engine_usage/python"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Python Engine Usage<!-- --> »</div></a></div></nav></div></div><div class="col col--3"><div class="tableOfContents_vrFS thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#1-environment-configuration-before-using-the-jdbc-engineconn" class="table-of-contents__link">1. Environment configuration before using the JDBC EngineConn</a></li><li><a href="#2-jdbc-engineconn-configuration-and-deployment" class="table-of-contents__link">2. JDBC EngineConn configuration and deployment</a><ul><li><a href="#21-jdbc-version-selection-and-compilation" class="table-of-contents__link">2.1 JDBC version selection and compilation</a></li><li><a href="#22-jdbc-engineconn-deployment-and-loading" class="table-of-contents__link">2.2 JDBC EngineConn deployment and loading</a></li><li><a href="#23-jdbc-engineconn-labels" class="table-of-contents__link">2.3 JDBC EngineConn Labels</a></li></ul></li><li><a href="#3-the-use-of-jdbc-engineconn" class="table-of-contents__link">3. The use of JDBC EngineConn</a><ul><li><a href="#ready-to-operate" class="table-of-contents__link">Ready to operate</a></li><li><a href="#31-how-to-use-linkis-sdk" class="table-of-contents__link">3.1 How to use Linkis SDK</a></li><li><a href="#32-how-to-use-linkis-cli" class="table-of-contents__link">3.2 How to use Linkis-cli</a></li><li><a href="#33-how-to-use-scriptis" class="table-of-contents__link">3.3 How to use Scriptis</a></li></ul></li><li><a href="#4-jdbc-engineconn-user-settings" class="table-of-contents__link">4. JDBC EngineConn user settings</a></li></ul></div></div></div></div></main></div></div><footer class="footer"><div class="container"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">Linkis</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/docs/latest/introduction">Document</a></li><li class="footer__item"><a class="footer__link-item" href="/faq/main">FAQ</a></li><li class="footer__item"><a href="https://github.com/apache/incubator-linkis/releases" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>Releases<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li></ul></div><div class="col footer__col"><div class="footer__title">Community</div><ul class="footer__items"><li class="footer__item"><a href="https://github.com/apache/incubator-linkis" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>GitHub<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li><li class="footer__item"><a href="https://github.com/apache/incubator-linkis/issues" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>Issue Tracker<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li><li class="footer__item"><a href="https://github.com/apache/incubator-linkis/pulls" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>Pull Requests<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li></ul></div><div class="col footer__col"><div class="footer__title">Subscribe Mailing List</div><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/community/how-to-subscribe">How to Subscribe</a></li><li class="footer__item"><a href="mailto:dev-subscribe@linkis.apache.org" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>Subscribe Mail<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li><li class="footer__item"><a href="https://lists.apache.org/list.html?dev@linkis.apache.org" target="_blank" rel="noopener noreferrer" class="footer__link-item"><span>Mail Archive<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_wgqa"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></span></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright"><div><img style="height:50px" alt="Apache Software Foundation" src="/img/incubator-logo.svg"><p style="color: #999999; padding: 0 20px 30px;font-weight:400;text-align:left">Apache Linkis is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. 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