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class="menu__link" href="/cn/docs/0.13.1/privacy">Privacy Policy</a></li></ul></nav></div></aside><main class="docMainContainer_Q970"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_zHA2"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is documentation for <!-- -->Apache Hudi<!-- --> <b>0.13.1</b>, which is no longer actively maintained.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/cn/docs/syncing_metastore">latest version</a></b> (<!-- -->0.14.1<!-- -->).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: <!-- -->0.13.1</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>Hive Metastore</h1></header><h2 class="anchor anchorWithStickyNavbar_y2LR" id="hive-sync-tool">Hive Sync Tool<a class="hash-link" href="#hive-sync-tool" title="Direct link to heading"></a></h2><p>Writing data with <a href="/cn/docs/writing_data">DataSource</a> writer or <a href="/cn/docs/0.13.1/hoodie_deltastreamer">HoodieDeltaStreamer</a> supports syncing of the table's latest schema to Hive metastore, such that queries can pick up new columns and partitions. | |
| In case, it's preferable to run this from commandline or in an independent jvm, Hudi provides a <code>HiveSyncTool</code>, which can be invoked as below, | |
| once you have built the hudi-hive module. Following is how we sync the above Datasource Writer written table to Hive metastore.</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><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">cd hudi-hive</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">./run_sync_tool.sh --jdbc-url jdbc:hive2:\/\/hiveserver:10000 --user hive --pass hive --partitioned-by partition --base-path <basePath> --database default --table <tableName></span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Starting with Hudi 0.5.1 version read optimized version of merge-on-read tables are suffixed '_ro' by default. For backwards compatibility with older Hudi versions, an optional HiveSyncConfig - <code>--skip-ro-suffix</code>, has been provided to turn off '_ro' suffixing if desired. Explore other hive sync options using the following command:</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><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">cd hudi-hive</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">./run_sync_tool.sh</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> [hudi-hive]$ ./run_sync_tool.sh --help</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h3 class="anchor anchorWithStickyNavbar_y2LR" id="hive-sync-configuration">Hive Sync Configuration<a class="hash-link" href="#hive-sync-configuration" title="Direct link to heading"></a></h3><p>Please take a look at the arguments that can be passed to <code>run_sync_tool</code> in <a href="https://github.com/apache/hudi/blob/master/hudi-sync/hudi-hive-sync/src/main/java/org/apache/hudi/hive/HiveSyncConfig.java" target="_blank" rel="noopener noreferrer">HiveSyncConfig</a>. | |
| Among them, following are the required arguments:</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><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">@Parameter(names = {"--database"}, description = "name of the target database in Hive", required = true);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">@Parameter(names = {"--table"}, description = "name of the target table in Hive", required = true);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">@Parameter(names = {"--base-path"}, description = "Basepath of hoodie table to sync", required = true);## Sync modes</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Corresponding datasource options for the most commonly used hive sync configs are as follows:</p><table><thead><tr><th>HiveSyncConfig</th><th>DataSourceWriteOption</th><th>Description</th></tr></thead><tbody><tr><td>--database</td><td>hoodie.datasource.hive_sync.database</td><td>name of the target database in Hive</td></tr><tr><td>--table</td><td>hoodie.datasource.hive_sync.table</td><td>name of the target table in Hive</td></tr><tr><td>--user</td><td>hoodie.datasource.hive_sync.username</td><td>username for hive metastore</td></tr><tr><td>--pass</td><td>hoodie.datasource.hive_sync.password</td><td>password for hive metastore</td></tr><tr><td>--use-jdbc</td><td>hoodie.datasource.hive_sync.use_jdbc</td><td>use JDBC to connect to metastore</td></tr><tr><td>--jdbc-url</td><td>hoodie.datasource.hive_sync.jdbcurl</td><td>Hive metastore url</td></tr><tr><td>--sync-mode</td><td>hoodie.datasource.hive_sync.mode</td><td>Mode to choose for Hive ops. Valid values are hms, jdbc and hiveql.</td></tr><tr><td>--partitioned-by</td><td>hoodie.datasource.hive_sync.partition_fields</td><td>Comma-separated column names in the table to use for determining hive partition.</td></tr><tr><td>--partition-value-extractor</td><td>hoodie.datasource.hive_sync.partition_extractor_class</td><td>Class which implements PartitionValueExtractor to extract the partition values. <code>SlashEncodedDayPartitionValueExtractor</code> by default.</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="sync-modes">Sync modes<a class="hash-link" href="#sync-modes" title="Direct link to heading"></a></h3><p><code>HiveSyncTool</code> supports three modes, namely <code>HMS</code>, <code>HIVEQL</code>, <code>JDBC</code>, to connect to Hive metastore server. | |
| These modes are just three different ways of executing DDL against Hive. Among these modes, JDBC or HMS is preferable over | |
| HIVEQL, which is mostly used for running DML rather than DDL.</p><blockquote><p>Note: All these modes assume that hive metastore has been configured and the corresponding properties set in | |
| hive-site.xml configuration file. Additionally, if you're using spark-shell/spark-sql to sync Hudi table to Hive then | |
| the hive-site.xml file also needs to be placed under <code><SPARK_HOME>/conf</code> directory.</p></blockquote><h4 class="anchor anchorWithStickyNavbar_y2LR" id="hms">HMS<a class="hash-link" href="#hms" title="Direct link to heading"></a></h4><p>HMS mode uses the hive metastore client to sync Hudi table using thrift APIs directly. | |
| To use this mode, pass <code>--sync-mode=hms</code> to <code>run_sync_tool</code> and set <code>--use-jdbc=false</code>. | |
| Additionally, if you are using remote metastore, then <code>hive.metastore.uris</code> need to be set in hive-site.xml configuration file. | |
| Otherwise, the tool assumes that metastore is running locally on port 9083 by default. </p><h4 class="anchor anchorWithStickyNavbar_y2LR" id="hiveql">HIVEQL<a class="hash-link" href="#hiveql" title="Direct link to heading"></a></h4><p>HQL is Hive's own SQL dialect. | |
| This mode simply uses the Hive QL's <a href="https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/Driver.java" target="_blank" rel="noopener noreferrer">driver</a> to execute DDL as HQL command. | |
| To use this mode, pass <code>--sync-mode=hiveql</code> to <code>run_sync_tool</code> and set <code>--use-jdbc=false</code>.</p><h4 class="anchor anchorWithStickyNavbar_y2LR" id="jdbc">JDBC<a class="hash-link" href="#jdbc" title="Direct link to heading"></a></h4><p>This mode uses the JDBC specification to connect to the hive metastore. | |
| To use this mode, just pass the jdbc url to the hive server (<code>--use-jdbc</code> is true by default).</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><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">@Parameter(names = {"--jdbc-url"}, description = "Hive jdbc connect url");</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h3 class="anchor anchorWithStickyNavbar_y2LR" id="flink-setup">Flink Setup<a class="hash-link" href="#flink-setup" title="Direct link to heading"></a></h3><h4 class="anchor anchorWithStickyNavbar_y2LR" id="install">Install<a class="hash-link" href="#install" title="Direct link to heading"></a></h4><p>Now you can git clone Hudi master branch to test Flink hive sync. The first step is to install Hudi to get <code>hudi-flink1.1x-bundle-0.x.x.jar</code>. | |
| <code>hudi-flink-bundle</code> module pom.xml sets the scope related to hive as <code>provided</code> by default. If you want to use hive sync, you need to use the | |
| profile <code>flink-bundle-shade-hive</code> during packaging. Executing command below to install:</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token comment" style="color:rgb(98, 114, 164)"># Maven install command</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">mvn </span><span class="token function" style="color:rgb(80, 250, 123)">install</span><span class="token plain"> -DskipTests -Drat.skip</span><span class="token operator">=</span><span class="token plain">true -Pflink-bundle-shade-hive2</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token comment" style="color:rgb(98, 114, 164)"># For hive1, you need to use profile -Pflink-bundle-shade-hive1</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token comment" style="color:rgb(98, 114, 164)"># For hive3, you need to use profile -Pflink-bundle-shade-hive3 </span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><div class="admonition admonition-note alert alert--secondary"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</h5></div><div class="admonition-content"><p>Hive1.x can only synchronize metadata to hive, but cannot use hive query now. If you need to query, you can use spark to query hive table.</p></div></div><div class="admonition admonition-note alert alert--secondary"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</h5></div><div class="admonition-content"><p>If using hive profile, you need to modify the hive version in the profile to your hive cluster version (Only need to modify the hive version in this profile). | |
| The location of this <code>pom.xml</code> is <code>packaging/hudi-flink-bundle/pom.xml</code>, and the corresponding profile is at the bottom of this file.</p></div></div><h4 class="anchor anchorWithStickyNavbar_y2LR" id="hive-environment">Hive Environment<a class="hash-link" href="#hive-environment" title="Direct link to heading"></a></h4><ol><li><p>Import <code>hudi-hadoop-mr-bundle</code> into hive. Creating <code>auxlib/</code> folder under the root directory of hive, and moving <code>hudi-hadoop-mr-bundle-0.x.x-SNAPSHOT.jar</code> into <code>auxlib</code>. | |
| <code>hudi-hadoop-mr-bundle-0.x.x-SNAPSHOT.jar</code> is at <code>packaging/hudi-hadoop-mr-bundle/target</code>.</p></li><li><p>When Flink sql client connects hive metastore remotely, <code>hive metastore</code> and <code>hiveserver2</code> services need to be enabled, and the port number need to | |
| be set correctly. Command to turn on the services:</p></li></ol><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token comment" style="color:rgb(98, 114, 164)"># Enable hive metastore and hiveserver2</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">nohup</span><span class="token plain"> ./bin/hive --service metastore </span><span class="token operator">&</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token function" style="color:rgb(80, 250, 123)">nohup</span><span class="token plain"> ./bin/hive --service hiveserver2 </span><span class="token operator">&</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token comment" style="color:rgb(98, 114, 164)"># While modifying the jar package under auxlib, you need to restart the service.</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h4 class="anchor anchorWithStickyNavbar_y2LR" id="sync-template">Sync Template<a class="hash-link" href="#sync-template" title="Direct link to heading"></a></h4><p>Flink hive sync now supports two hive sync mode, <code>hms</code> and <code>jdbc</code>. <code>hms</code> mode only needs to configure metastore uris. For | |
| the <code>jdbc</code> mode, the JDBC attributes and metastore uris both need to be configured. The options template is as below:</p><div class="codeBlockContainer_J+bg language-sql theme-code-block"><div class="codeBlockContent_csEI sql"><pre tabindex="0" class="prism-code language-sql codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token comment" style="color:rgb(98, 114, 164)">-- hms mode template</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> t1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> uuid </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> name </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> age </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> ts </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TIMESTAMP</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">partition</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITIONED </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">partition</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">WITH</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'connector'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hudi'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'path'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'${db_path}/t1'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'table.type'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'COPY_ON_WRITE'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- If MERGE_ON_READ, hive query will not have output until the parquet file is generated</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.enable'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'true'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. To enable hive synchronization</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.mode'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hms'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. Setting hive sync mode to hms, default jdbc</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.metastore.uris'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'thrift://${ip}:9083'</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. The port need set on hive-site.xml</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token comment" style="color:rgb(98, 114, 164)">-- jdbc mode template</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> t1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> uuid </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> name </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> age </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> ts </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TIMESTAMP</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">partition</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITIONED </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">partition</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">WITH</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'connector'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hudi'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'path'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'${db_path}/t1'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'table.type'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'COPY_ON_WRITE'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">--If MERGE_ON_READ, hive query will not have output until the parquet file is generated</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.enable'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'true'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. To enable hive synchronization</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.mode'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'jdbc'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. Setting hive sync mode to hms, default jdbc</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.metastore.uris'</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'thrift://${ip}:9083'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- Required. The port need set on hive-site.xml</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.jdbc_url'</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">'jdbc:hive2://${ip}:10000'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- required, hiveServer port</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.table'</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">'${table_name}'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- required, hive table name</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.db'</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">'${db_name}'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- required, hive database name</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.username'</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">'${user_name}'</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- required, JDBC username</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">'hive_sync.password'</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">'${password}'</span><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">-- required, JDBC password</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h4 class="anchor anchorWithStickyNavbar_y2LR" id="query">Query<a class="hash-link" href="#query" title="Direct link to heading"></a></h4><p>While using hive beeline query, you need to enter settings:</p><div class="codeBlockContainer_J+bg language-bash theme-code-block"><div class="codeBlockContent_csEI bash"><pre tabindex="0" class="prism-code language-bash codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token builtin class-name" style="color:rgb(189, 147, 249)">set</span><span class="token plain"> hive.input.format </span><span class="token operator">=</span><span class="token plain"> org.apache.hudi.hadoop.hive.HoodieCombineHiveInputFormat</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><h3 class="anchor anchorWithStickyNavbar_y2LR" id="spark-datasource-example">Spark datasource example<a class="hash-link" href="#spark-datasource-example" title="Direct link to heading"></a></h3><p>Assuming the metastore is configured properly, then start the spark-shell.</p><div class="codeBlockContainer_J+bg theme-code-block"><div class="codeBlockContent_csEI"><pre tabindex="0" class="prism-code language-undefined 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">$SPARK_INSTALL/bin/spark-shell --jars $HUDI_SPARK_BUNDLE \</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> --conf 'spark.serializer=org.apache.spark.serializer.KryoSerializer'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>We can run the following script to create a sample hudi table and sync it to hive.</p><div class="codeBlockContainer_J+bg language-scala theme-code-block"><div class="codeBlockContent_csEI scala"><pre tabindex="0" class="prism-code language-scala 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">// spark-shell</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.hudi.QuickstartUtils._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import scala.collection.JavaConversions._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.spark.sql.SaveMode._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.hudi.DataSourceReadOptions._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.hudi.DataSourceWriteOptions._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.hudi.config.HoodieWriteConfig._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.spark.sql.types._</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">import org.apache.spark.sql.Row</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">val tableName = "hudi_cow"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">val basePath = "/user/hive/warehouse/hudi_cow"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">val schema = StructType(Array(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("rowId", StringType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("partitionId", StringType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("preComb", LongType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("name", StringType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("versionId", StringType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("toBeDeletedStr", StringType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("intToLong", IntegerType,true),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">StructField("longToInt", LongType,true)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">))</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">val data0 = Seq(Row("row_1", "2021/01/01",0L,"bob","v_0","toBeDel0",0,1000000L), </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> Row("row_2", "2021/01/01",0L,"john","v_0","toBeDel0",0,1000000L), </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> Row("row_3", "2021/01/02",0L,"tom","v_0","toBeDel0",0,1000000L))</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">var dfFromData0 = spark.createDataFrame(data0,schema)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">dfFromData0.write.format("hudi").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> options(getQuickstartWriteConfigs).</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(PRECOMBINE_FIELD_OPT_KEY, "preComb").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(RECORDKEY_FIELD_OPT_KEY, "rowId").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(PARTITIONPATH_FIELD_OPT_KEY, "partitionId").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(TABLE_NAME, tableName).</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(TABLE_TYPE.key, COW_TABLE_TYPE_OPT_VAL).</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option(OPERATION_OPT_KEY, "upsert").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.index.type","SIMPLE").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.write.hive_style_partitioning","true").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.hive_sync.jdbcurl","jdbc:hive2://hiveserver:10000/").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.hive_sync.database","default").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.hive_sync.table","hudi_cow").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.hive_sync.partition_fields","partitionId").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> option("hoodie.datasource.hive_sync.enable","true").</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> mode(Overwrite).</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> save(basePath)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>To query, connect to the hive server.</p><div class="codeBlockContainer_J+bg theme-code-block"><div class="codeBlockContent_csEI"><pre tabindex="0" class="prism-code language-undefined 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">beeline -u jdbc:hive2://hiveserver:10000 \</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> --hiveconf hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat \</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> --hiveconf hive.stats.autogather=false</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Beeline version 1.2.1.spark2 by Apache Hive</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">0: jdbc:hive2://hiveserver:10000> show tables;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-----------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| tab_name |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-----------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| hudi_cow |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-----------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">1 row selected (0.531 seconds)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">0: jdbc:hive2://hiveserver:10000> select * from hudi_cow limit 1;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-------------------------------+--------------------------------+------------------------------+----------------------------------+----------------------------------------------------------------------------+-----------------+-------------------+----------------+---------------------+--------------------------+---------------------+---------------------+-----------------------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| hudi_cow._hoodie_commit_time | hudi_cow._hoodie_commit_seqno | hudi_cow._hoodie_record_key | hudi_cow._hoodie_partition_path | hudi_cow._hoodie_file_name | hudi_cow.rowid | hudi_cow.precomb | hudi_cow.name | hudi_cow.versionid | hudi_cow.tobedeletedstr | hudi_cow.inttolong | hudi_cow.longtoint | hudi_cow.partitionid |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-------------------------------+--------------------------------+------------------------------+----------------------------------+----------------------------------------------------------------------------+-----------------+-------------------+----------------+---------------------+--------------------------+---------------------+---------------------+-----------------------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| 20220120090023631 | 20220120090023631_1_2 | row_1 | partitionId=2021/01/01 | 0bf9b822-928f-4a57-950a-6a5450319c83-0_1-24-314_20220120090023631.parquet | row_1 | 0 | bob | v_0 | toBeDel0 | 0 | 1000000 | 2021/01/01 |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+-------------------------------+--------------------------------+------------------------------+----------------------------------+----------------------------------------------------------------------------+-----------------+-------------------+----------------+---------------------+--------------------------+---------------------+---------------------+-----------------------+--+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">1 row selected (5.475 seconds)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">0: jdbc:hive2://hiveserver:10000></span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a 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