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# gpudb::ClearStatisticsRequest

> gpudb::ClearStatisticsRequest — Kinetica C++ API

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    <p>A set of parameters for <a className="el" href="/content/api/cpp/classgpudb_1_1GPUdb#a4f92562790e4fa6169b14fe3a356d495">GPUdb::clearStatistics</a>. <a href="#details">More...</a></p>
    <p><code>#include \<<a className="el" href="/content/api/cpp/clear__statistics_8h_source">gpudb/protocol/clear\_statistics.h</a>></code></p>

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        <td className="memItemLeft" align="right" valign="top"> </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#acd0ca3e06bb2a089a90020a21b6469e2">ClearStatisticsRequest</a> ()</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearStatisticsRequest" title="A set of parameters for GPUdb::clearStatistics.">ClearStatisticsRequest</a> object with default parameters. <br /></td>
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        <td className="memItemRight" valign="bottom"><a className="el" href="#a25bffb6e347d6672d30d6b8de271b19d">ClearStatisticsRequest</a> (const std::string \&tableName\_, const std::string \&columnName\_, const std::map\< std::string, std::string > \&options\_)</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearStatisticsRequest" title="A set of parameters for GPUdb::clearStatistics.">ClearStatisticsRequest</a> object with the specified parameters. <br /></td>
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          <h2 className="groupheader"> Public Attributes</h2>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Name of a table, in \[ schema\_name. ]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::string </td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Name of the column in <a className="el" href="#a3ad25159d0e51a2f38a20069b11ec75d">tableName</a> for which to clear statistics. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::map\< std::string, std::string > </td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Optional parameters. <br /></td>
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    <h2 className="groupheader">Detailed Description</h2>

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      <p>A set of parameters for <a className="el" href="/content/api/cpp/classgpudb_1_1GPUdb#a4f92562790e4fa6169b14fe3a356d495">GPUdb::clearStatistics</a>. </p>
      <p>Clears statistics (cardinality, mean value, etc.) for a column in a specified table. </p>
      <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00019">19</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    <h2 className="groupheader">Constructor & Destructor Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#acd0ca3e06bb2a089a90020a21b6469e2">◆ </a></span>ClearStatisticsRequest() <span className="overload">\[1/2]</span></h2>

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                  <td className="memname">gpudb::ClearStatisticsRequest::ClearStatisticsRequest </td>
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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearStatisticsRequest" title="A set of parameters for GPUdb::clearStatistics.">ClearStatisticsRequest</a> object with default parameters. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00024">24</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a25bffb6e347d6672d30d6b8de271b19d">◆ </a></span>ClearStatisticsRequest() <span className="overload">\[2/2]</span></h2>

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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearStatisticsRequest" title="A set of parameters for GPUdb::clearStatistics.">ClearStatisticsRequest</a> object with the specified parameters. </p>

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                <td className="paramdir">\[in]</td>
                <td className="paramname">tableName\_</td>
                <td>Name of a table, in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. Must be an existing table. The default value is ''. </td>
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                <td className="paramdir">\[in]</td>
                <td className="paramname">columnName\_</td>
                <td>Name of the column in <span className="em arg">tableName\_</span> for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ''. </td>
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                <td>Optional parameters. The default value is an empty map. </td>
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        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00049">49</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a5d170bd46a6b6fdb55e1caa1ce8c7a06">◆ </a></span>columnName</h2>

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        <p>Name of the column in <a className="el" href="#a3ad25159d0e51a2f38a20069b11ec75d">tableName</a> for which to clear statistics. </p>
        <p>The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ''. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00069">69</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a461375f331b18f494cf523d0bd412c5c">◆ </a></span>options</h2>

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        <p>Optional parameters. </p>
        <p>The default value is an empty map. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00074">74</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a3ad25159d0e51a2f38a20069b11ec75d">◆ </a></span>tableName</h2>

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        <p>Name of a table, in \[ schema\_name. ]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. </p>
        <p>Must be an existing table. The default value is ''. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__statistics_8h_source#l00062">62</a> of file <a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a>.</p>
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    The documentation for this struct was generated from the following file:

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      <li>gpudb/protocol/<a className="el" href="/content/api/cpp/clear__statistics_8h_source">clear\_statistics.h</a></li>
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