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class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.12.2/use_cases">Use Cases</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.12.2/faq">FAQs</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.12.2/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>0.12.2</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, which is no longer actively maintained.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/procedures">latest version</a></b> (<!-- -->0.14.1<!-- -->).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: <!-- -->0.12.2</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>Procedures</h1></header><p>Stored procedures available when use Hudi SparkSQL extensions in all spark's version.</p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="usage">Usage<a class="hash-link" href="#usage" title="Direct link to heading"></a></h2><p>CALL supports passing arguments by name (recommended) or by position. Mixing position and named arguments is also supported.</p><h4 class="anchor anchorWithStickyNavbar_y2LR" id="named-arguments">Named arguments<a class="hash-link" href="#named-arguments" title="Direct link to heading"></a></h4><p>All procedure arguments are named. When passing arguments by name, arguments can be in any order and any optional argument can be omitted.</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">CALL system.procedure_name(arg_name_2 => arg_2, arg_name_1 => arg_1, ... arg_name_n => arg_n)</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="positional-arguments">Positional arguments<a class="hash-link" href="#positional-arguments" title="Direct link to heading"></a></h4><p>When passing arguments by position, the arguments may be omitted if they are optional.</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">CALL system.procedure_name(arg_1, arg_2, ... arg_n)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p><em>note:</em> The system here has no practical meaning, the complete procedure name is system.procedure_name.</p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="commit-management">Commit management<a class="hash-link" href="#commit-management" title="Direct link to heading"></a></h2><h3 class="anchor anchorWithStickyNavbar_y2LR" id="show_commits">show_commits<a class="hash-link" href="#show_commits" title="Direct link to heading"></a></h3><p>Show commits' info.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr><tr><td>limit</td><td>Int</td><td>N</td><td>10</td><td>Max number of records to be returned</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>commit_time</td><td>String</td></tr><tr><td>total_bytes_written</td><td>Long</td></tr><tr><td>total_files_added</td><td>Long</td></tr><tr><td>total_files_updated</td><td>Long</td></tr><tr><td>total_partitions_written</td><td>Long</td></tr><tr><td>total_records_written</td><td>Long</td></tr><tr><td>total_update_records_written</td><td>Long</td></tr><tr><td>total_errors</td><td>Long</td></tr></tbody></table><p><strong>Example</strong></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">call show_commits(table => 'test_hudi_table', limit => 10);</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>commit_time</th><th>total_bytes_written</th><th>total_files_added</th><th>total_files_updated</th><th>total_partitions_written</th><th>total_records_written</th><th>total_update_records_written</th><th>total_errors</th></tr></thead><tbody><tr><td>20220216171049652</td><td>432653</td><td>0</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td></tr><tr><td>20220216171027021</td><td>435346</td><td>1</td><td>0</td><td>1</td><td>1</td><td>0</td><td>0</td></tr><tr><td>20220216171019361</td><td>435349</td><td>1</td><td>0</td><td>1</td><td>1</td><td>0</td><td>0</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="show_commits_metadata">show_commits_metadata<a class="hash-link" href="#show_commits_metadata" title="Direct link to heading"></a></h3><p>Show commits' metadata.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr><tr><td>limit</td><td>Int</td><td>N</td><td>10</td><td>Max number of records to be returned</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>commit_time</td><td>String</td></tr><tr><td>action</td><td>String</td></tr><tr><td>partition</td><td>String</td></tr><tr><td>file_id</td><td>String</td></tr><tr><td>previous_commit</td><td>String</td></tr><tr><td>num_writes</td><td>Long</td></tr><tr><td>num_inserts</td><td>Long</td></tr><tr><td>num_deletes</td><td>Long</td></tr><tr><td>num_update_writes</td><td>String</td></tr><tr><td>total_errors</td><td>Long</td></tr><tr><td>total_log_blocks</td><td>Long</td></tr><tr><td>total_corrupt_logblocks</td><td>Long</td></tr><tr><td>total_rollback_blocks</td><td>Long</td></tr><tr><td>total_log_records</td><td>Long</td></tr><tr><td>total_updated_records_compacted</td><td>Long</td></tr><tr><td>total_bytes_written</td><td>Long</td></tr></tbody></table><p><strong>Example</strong></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">call show_commits_metadata(table => 'test_hudi_table');</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>commit_time</th><th>action</th><th>partition</th><th>file_id</th><th>previous_commit</th><th>num_writes</th><th>num_inserts</th><th>num_deletes</th><th>num_update_writes</th><th>total_errors</th><th>total_log_blocks</th><th>total_corrupt_logblocks</th><th>total_rollback_blocks</th><th>total_log_records</th><th>total_updated_records_compacted</th><th>total_bytes_written</th></tr></thead><tbody><tr><td>20220109225319449</td><td>commit</td><td>dt=2021-05-03</td><td>d0073a12-085d-4f49-83e9-402947e7e90a-0</td><td>null</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>435349</td></tr><tr><td>20220109225311742</td><td>commit</td><td>dt=2021-05-02</td><td>b3b32bac-8a44-4c4d-b433-0cb1bf620f23-0</td><td>20220109214830592</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>435340</td></tr><tr><td>20220109225301429</td><td>commit</td><td>dt=2021-05-01</td><td>0d7298b3-6b55-4cff-8d7d-b0772358b78a-0</td><td>20220109214830592</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>435340</td></tr><tr><td>20220109214830592</td><td>commit</td><td>dt=2021-05-01</td><td>0d7298b3-6b55-4cff-8d7d-b0772358b78a-0</td><td>20220109191631015</td><td>0</td><td>0</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>432653</td></tr><tr><td>20220109214830592</td><td>commit</td><td>dt=2021-05-02</td><td>b3b32bac-8a44-4c4d-b433-0cb1bf620f23-0</td><td>20220109191648181</td><td>0</td><td>0</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>432653</td></tr><tr><td>20220109191648181</td><td>commit</td><td>dt=2021-05-02</td><td>b3b32bac-8a44-4c4d-b433-0cb1bf620f23-0</td><td>null</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>435341</td></tr><tr><td>20220109191631015</td><td>commit</td><td>dt=2021-05-01</td><td>0d7298b3-6b55-4cff-8d7d-b0772358b78a-0</td><td>null</td><td>1</td><td>1</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>435341</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="rollback_to_instant">rollback_to_instant<a class="hash-link" href="#rollback_to_instant" title="Direct link to heading"></a></h3><p>Rollback a table to the commit that was current at some time.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>rollback_result</td><td>Boolean</td></tr></tbody></table><p><strong>Example</strong></p><p>Roll back test_hudi_table to one instant</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">call rollback_to_instant(table => 'test_hudi_table', instant_time => '20220109225319449');</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th align="left">rollback_result</th></tr></thead><tbody><tr><td align="left">true</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="create_savepoint">create_savepoint<a class="hash-link" href="#create_savepoint" title="Direct link to heading"></a></h3><p>Create a savepoint to hudi's table.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr><tr><td>commit_Time</td><td>String</td><td>Y</td><td>None</td><td>Commit time</td></tr><tr><td>user</td><td>String</td><td>N</td><td>""</td><td>User name</td></tr><tr><td>comments</td><td>String</td><td>N</td><td>""</td><td>Comments</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>create_savepoint_result</td><td>Boolean</td></tr></tbody></table><p><strong>Example</strong></p><p>Roll back test_hudi_table to one instant</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">call create_savepoint(table => 'test_hudi_table', instant_time => '20220109225319449');</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th align="left">create_savepoint_result</th></tr></thead><tbody><tr><td align="left">true</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="delete_savepoint">delete_savepoint<a class="hash-link" href="#delete_savepoint" title="Direct link to heading"></a></h3><p>Delete a savepoint to hudi's table.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr><tr><td>instant_time</td><td>String</td><td>Y</td><td>None</td><td>Instant time</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>delete_savepoint_result</td><td>Boolean</td></tr></tbody></table><p><strong>Example</strong></p><p>Delete a savepoint to test_hudi_table</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">call delete_savepoint(table => 'test_hudi_table', instant_time => '20220109225319449');</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th align="left">delete_savepoint_result</th></tr></thead><tbody><tr><td align="left">true</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="rollback_savepoint">rollback_savepoint<a class="hash-link" href="#rollback_savepoint" title="Direct link to heading"></a></h3><p>Rollback a table to the commit that was current at some time.</p><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>Y</td><td>None</td><td>Hudi table name</td></tr><tr><td>instant_time</td><td>String</td><td>Y</td><td>None</td><td>Instant time</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Output Name</th><th>Type</th></tr></thead><tbody><tr><td>rollback_savepoint_result</td><td>Boolean</td></tr></tbody></table><p><strong>Example</strong></p><p>Rollback test_hudi_table to one savepoint</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">call rollback_savepoint(table => 'test_hudi_table', instant_time => '20220109225319449');</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th align="left">rollback_savepoint_result</th></tr></thead><tbody><tr><td align="left">true</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_y2LR" id="optimization-table">Optimization table<a class="hash-link" href="#optimization-table" title="Direct link to heading"></a></h2><h3 class="anchor anchorWithStickyNavbar_y2LR" id="run_clustering">run_clustering<a class="hash-link" href="#run_clustering" title="Direct link to heading"></a></h3><p>Trigger clustering on a hoodie table. By using partition predicates, clustering table can be run |
| with specified partitions, and you can also specify the order columns to sort data.</p><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>Newly clustering instant will be generated every call, and all pending clustering instants are executed. |
| When calling this procedure, one of parameters <code>table</code> and <code>path</code> must be specified at least. If both |
| parameters are given, <code>table</code> will take effect.</p></div></div><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>N</td><td>None</td><td>Name of table to be clustered</td></tr><tr><td>path</td><td>String</td><td>N</td><td>None</td><td>Path of table to be clustered</td></tr><tr><td>predicate</td><td>String</td><td>N</td><td>None</td><td>Predicate to filter partition</td></tr><tr><td>order</td><td>String</td><td>N</td><td>None</td><td>Order column split by <code>,</code></td></tr></tbody></table><p><strong>Output</strong></p><p>Empty</p><p><strong>Example</strong></p><p>Clustering test_hudi_table with table name</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">call run_clustering(table => 'test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Clustering test_hudi_table with table path</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">call run_clustering(path => '/tmp/hoodie/test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Clustering test_hudi_table with table name, predicate and order column</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">call run_clustering(table => 'test_hudi_table', predicate => 'ts <= 20220408L', order => 'ts')</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="show_clustering">show_clustering<a class="hash-link" href="#show_clustering" title="Direct link to heading"></a></h3><p>Show pending clusterings on a hoodie table. </p><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>When calling this procedure, one of parameters <code>table</code> and <code>path</code> must be specified at least. |
| If both parameters are given, <code>table</code> will take effect.</p></div></div><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>N</td><td>None</td><td>Name of table to be clustered</td></tr><tr><td>path</td><td>String</td><td>N</td><td>None</td><td>Path of table to be clustered</td></tr><tr><td>limit</td><td>Int</td><td>N</td><td>None</td><td>Max number of records to be returned</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>timestamp</td><td>String</td><td>N</td><td>None</td><td>Instant time</td></tr><tr><td>groups</td><td>Int</td><td>N</td><td>None</td><td>Number of file groups to be processed</td></tr></tbody></table><p><strong>Example</strong></p><p>Show pending clusterings with table name</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">call show_clustering(table => 'test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>groups</th></tr></thead><tbody><tr><td>20220408153707928</td><td>2</td></tr><tr><td>20220408153636963</td><td>3</td></tr></tbody></table><p>Show pending clusterings with table path</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">call show_clustering(path => '/tmp/hoodie/test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>groups</th></tr></thead><tbody><tr><td>20220408153707928</td><td>2</td></tr><tr><td>20220408153636963</td><td>3</td></tr></tbody></table><p>Show pending clusterings with table name and limit</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">call show_clustering(table => 'test_hudi_table', limit => 1)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>groups</th></tr></thead><tbody><tr><td>20220408153707928</td><td>2</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="run_compaction">run_compaction<a class="hash-link" href="#run_compaction" title="Direct link to heading"></a></h3><p>Schedule or run compaction on a hoodie table. </p><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>For scheduling compaction, if <code>timestamp</code> is specified, new scheduled compaction will use given |
| timestamp as instant time. Otherwise, compaction will be scheduled by using current system time. </p><p>For running compaction, given <code>timestamp</code> must be a pending compaction instant time that |
| already exists, if it's not, exception will be thrown. Meanwhile, if <code>timestamp</code>is specified |
| and there are pending compactions, all pending compactions will be executed without new compaction |
| instant generated. </p><p>When calling this procedure, one of parameters <code>table</code> and <code>path</code>must be specified at least. |
| If both parameters are given, <code>table</code> will take effect.</p></div></div><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>op</td><td>String</td><td>N</td><td>None</td><td>Operation type, <code>RUN</code> or <code>SCHEDULE</code></td></tr><tr><td>table</td><td>String</td><td>N</td><td>None</td><td>Name of table to be compacted</td></tr><tr><td>path</td><td>String</td><td>N</td><td>None</td><td>Path of table to be compacted</td></tr><tr><td>timestamp</td><td>String</td><td>N</td><td>None</td><td>Instant time</td></tr></tbody></table><p><strong>Output</strong></p><p>The output of <code>RUN</code> operation is <code>EMPTY</code>, the output of <code>SCHEDULE</code> as follow:</p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>instant</td><td>String</td><td>N</td><td>None</td><td>Instant name</td></tr></tbody></table><p><strong>Example</strong></p><p>Run compaction with table name</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">call run_compaction(op => 'run', table => 'test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Run compaction with table path</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">call run_compaction(op => 'run', path => '/tmp/hoodie/test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Run compaction with table path and timestamp</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">call run_compaction(op => 'run', path => '/tmp/hoodie/test_hudi_table', timestamp => '20220408153658568')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Schedule compaction with table name</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">call run_compaction(op => 'schedule', table => 'test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>instant</th></tr></thead><tbody><tr><td>20220408153650834</td></tr></tbody></table><p>Schedule compaction with table path</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">call run_compaction(op => 'schedule', path => '/tmp/hoodie/test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>instant</th></tr></thead><tbody><tr><td>20220408153650834</td></tr></tbody></table><p>Schedule compaction with table path and timestamp</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">call run_compaction(op => 'schedule', path => '/tmp/hoodie/test_hudi_table', timestamp => '20220408153658568')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>instant</th></tr></thead><tbody><tr><td>20220408153658568</td></tr></tbody></table><h3 class="anchor anchorWithStickyNavbar_y2LR" id="show_compaction">show_compaction<a class="hash-link" href="#show_compaction" title="Direct link to heading"></a></h3><p>Show all compactions on a hoodie table, in-flight or completed compactions are included, and result will |
| be in reverse order according to trigger time. </p><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>When calling this procedure, one of parameters <code>table</code>and <code>path</code> must be specified at least. |
| If both parameters are given, <code>table</code> will take effect.</p></div></div><p><strong>Input</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>table</td><td>String</td><td>N</td><td>None</td><td>Name of table to show compaction</td></tr><tr><td>path</td><td>String</td><td>N</td><td>None</td><td>Path of table to show compaction</td></tr><tr><td>limit</td><td>Int</td><td>N</td><td>None</td><td>Max number of records to be returned</td></tr></tbody></table><p><strong>Output</strong></p><table><thead><tr><th>Parameter Name</th><th>Type</th><th>Required</th><th>Default Value</th><th>Description</th></tr></thead><tbody><tr><td>timestamp</td><td>String</td><td>N</td><td>None</td><td>Instant time</td></tr><tr><td>action</td><td>String</td><td>N</td><td>None</td><td>Action name of compaction</td></tr><tr><td>size</td><td>Int</td><td>N</td><td>None</td><td>Number of file slices to be compacted</td></tr></tbody></table><p><strong>Example</strong></p><p>Show compactions with table name</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">call show_compaction(table => 'test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>action</th><th>size</th></tr></thead><tbody><tr><td>20220408153707928</td><td>compaction</td><td>10</td></tr><tr><td>20220408153636963</td><td>compaction</td><td>10</td></tr></tbody></table><p>Show compactions with table path</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">call show_compaction(path => '/tmp/hoodie/test_hudi_table')</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>action</th><th>size</th></tr></thead><tbody><tr><td>20220408153707928</td><td>compaction</td><td>10</td></tr><tr><td>20220408153636963</td><td>compaction</td><td>10</td></tr></tbody></table><p>Show compactions with table name and limit</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">call show_compaction(table => 'test_hudi_table', limit => 1)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><table><thead><tr><th>timestamp</th><th>action</th><th>size</th></tr></thead><tbody><tr><td>20220408153707928</td><td>compaction</td><td>10</td></tr></tbody></table></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/hudi/tree/asf-site/website/versioned_docs/version-0.12.2/procedures.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 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