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Yang, Tong
48706b7552
Reviewed-by: Kacur, Michal <michal.kacur@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
42 lines
2.8 KiB
HTML
42 lines
2.8 KiB
HTML
<a name="mrs_01_24803"></a><a name="mrs_01_24803"></a>
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<h1 class="topictitle1">ROLL_BACK</h1>
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<div id="body0000001585034881"><div class="section" id="mrs_01_24803__section143972345248"><h4 class="sectiontitle">Function</h4><p id="mrs_01_24803__p19553184312246">Rolls back a specified commit.</p>
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</div>
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<div class="section" id="mrs_01_24803__section27787498240"><h4 class="sectiontitle">Syntax</h4><p id="mrs_01_24803__p119041357134413"><strong id="mrs_01_24803__b1811742642913">call rollback_to_instant(table => '[table_name]', instant_time => '[instant]');</strong></p>
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</div>
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<div class="section" id="mrs_01_24803__section96316555241"><h4 class="sectiontitle">Parameter Description</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_24803__table213494418406" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters</caption><thead align="left"><tr id="mrs_01_24803__row121345446404"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.2.3.1.1"><p id="mrs_01_24803__p17134184474014">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.2.3.1.2"><p id="mrs_01_24803__p4134174415408">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="mrs_01_24803__row20134114424016"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.2.3.1.1 "><p id="mrs_01_24803__p813474424017">table_name</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.2.3.1.2 "><p id="mrs_01_24803__p1513417441406">Mandatory. Name of the Hudi table to be rolled back.</p>
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</td>
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</tr>
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<tr id="mrs_01_24803__row1613417445409"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.2.3.1.1 "><p id="mrs_01_24803__p313410443408">instant</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.2.3.1.2 "><p id="mrs_01_24803__p1637119342455">Mandatory. Commit instant timestamp of the Hudi table to be rolled back.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="mrs_01_24803__section16795334255"><h4 class="sectiontitle">Example</h4><pre class="screen" id="mrs_01_24803__screen17680191075716">call rollback_to_instant(table => 'h1', instant_time=>'20220915113127525');</pre>
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</div>
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<div class="section" id="mrs_01_24803__section1142451142514"><h4 class="sectiontitle">Precautions</h4><p id="mrs_01_24803__p1791516173253">Only the latest commit timestamps can be rolled back in sequence.</p>
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</div>
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<div class="section" id="mrs_01_24803__section7720121912517"><h4 class="sectiontitle">System Response</h4><p id="mrs_01_24803__p4696926125913">You can view command execution results in the driver log or on the client.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_24739.html">CALL COMMAND</a></div>
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</div>
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</div>
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