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Yang, Tong
6182f91ba8
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
48 lines
3.9 KiB
HTML
48 lines
3.9 KiB
HTML
<a name="mrs_01_1442"></a><a name="mrs_01_1442"></a>
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<h1 class="topictitle1">DELETE SEGMENT by ID</h1>
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<div id="body1595920213530"><div class="section" id="mrs_01_1442__sa2eea92ab3b74e91b1bfff2187e1c6bf"><h4 class="sectiontitle">Function</h4><p id="mrs_01_1442__a9d3bf7131d56450ea75c95f0a9480f35">This command is used to delete segments by the ID.</p>
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</div>
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<div class="section" id="mrs_01_1442__s54f395fda42343c9bc7e39f152d8ce91"><h4 class="sectiontitle">Syntax</h4><p id="mrs_01_1442__a2a0f14e700e2430b969c269cad26f58c"><b><span class="cmdname" id="mrs_01_1442__cmdname1532825319234">DELETE FROM TABLE db_name.table_name WHERE SEGMENT.ID IN (segment_id1,segment_id2)</span></b>;</p>
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</div>
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<div class="section" id="mrs_01_1442__sbfdf7599e5584c30862640b5c9720643"><h4 class="sectiontitle">Parameter Description</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_1442__t4340a0ebbc7248d49400559a852ff711" frame="border" border="1" rules="all"><caption><b>Table 1 </b>DELETE SEGMENT parameters</caption><thead align="left"><tr id="mrs_01_1442__r6ff8e1a3956741508581975582403b21"><th align="left" class="cellrowborder" valign="top" width="22.689999999999998%" id="mcps1.3.3.2.2.3.1.1"><p id="mrs_01_1442__a1078f6ec9cf34b0db5b47e32ab879714">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="77.31%" id="mcps1.3.3.2.2.3.1.2"><p id="mrs_01_1442__acbe46499e3ae4de5b13de061a3548301">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_1442__r9742f6c6aab844e08990904eaefa4c43"><td class="cellrowborder" valign="top" width="22.689999999999998%" headers="mcps1.3.3.2.2.3.1.1 "><p id="mrs_01_1442__af3bd5aec7be545ca981639a4fa8b93f1">segment_id</p>
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</td>
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<td class="cellrowborder" valign="top" width="77.31%" headers="mcps1.3.3.2.2.3.1.2 "><p id="mrs_01_1442__ae5e4802f202945c7af2196337a2406cc">ID of the segment to be deleted.</p>
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</td>
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</tr>
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<tr id="mrs_01_1442__r5a3971d487c148f89d3fcf65a5842ed4"><td class="cellrowborder" valign="top" width="22.689999999999998%" headers="mcps1.3.3.2.2.3.1.1 "><p id="mrs_01_1442__a5c6a441b935848a59938a083f35da155">db_name</p>
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</td>
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<td class="cellrowborder" valign="top" width="77.31%" headers="mcps1.3.3.2.2.3.1.2 "><p id="mrs_01_1442__a283bd3a21a5240419c70649b9c357bc2">Database name. If the parameter is not specified, the current database is used.</p>
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</td>
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</tr>
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<tr id="mrs_01_1442__rf4c771d4aabc4b20968c1d60408c9631"><td class="cellrowborder" valign="top" width="22.689999999999998%" headers="mcps1.3.3.2.2.3.1.1 "><p id="mrs_01_1442__aec92163259c841dfb49535d7047a670d">table_name</p>
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</td>
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<td class="cellrowborder" valign="top" width="77.31%" headers="mcps1.3.3.2.2.3.1.2 "><p id="mrs_01_1442__a0da710bad9474ddb8f5da5a1e748b4ea">The name of the table in a specific database.</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_1442__s54e960e45b2e46cd94689539705aa4d8"><h4 class="sectiontitle">Usage Guidelines</h4><p id="mrs_01_1442__a6cd1ba1e883f4e89aad661a11818e4a3">Segments cannot be deleted from the stream table.</p>
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</div>
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<div class="section" id="mrs_01_1442__s819ce3cb598a477cbc30d95511dd2329"><h4 class="sectiontitle">Examples</h4><p id="mrs_01_1442__a9c5f6dd159004392bb2d0279510c5043"><b><span class="cmdname" id="mrs_01_1442__cmdname761555722318">DELETE FROM TABLE CarbonDatabase.CarbonTable WHERE SEGMENT.ID IN (0)</span></b>;</p>
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<p id="mrs_01_1442__a2eabc345f5914d238babf9b7aff61b12"><b><span class="cmdname" id="mrs_01_1442__cmdname1527610210241">DELETE FROM TABLE CarbonDatabase.CarbonTable WHERE SEGMENT.ID IN (0,5,8)</span></b>;</p>
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</div>
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<div class="section" id="mrs_01_1442__s3030459f056641afa060738cc4a2ab76"><h4 class="sectiontitle">System Response</h4><p id="mrs_01_1442__a84ed2d8d52d0494ab216df69854db228">Success or failure will be recorded in the CarbonData log.</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_1437.html">DML</a></div>
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</div>
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</div>
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