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# gpudb::ClearTablesRequest

> gpudb::ClearTablesRequest — Kinetica C++ API

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    <p>A set of parameters for <a className="el" href="/content/api/cpp/classgpudb_1_1GPUdb#a6ea34c34f63eb6781811eea53b2a7e33">GPUdb::clearTables</a>. <a href="#details">More...</a></p>
    <p><code>#include \<<a className="el" href="/content/api/cpp/clear__tables_8h_source">gpudb/protocol/clear\_tables.h</a>></code></p>

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          <h2 className="groupheader"> Public Member Functions</h2>
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        <td className="memItemRight" valign="bottom"><a className="el" href="#a3355a86b48a1f5ab19710f9f6cd242f7">ClearTablesRequest</a> ()</td>
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      <tr className="memdesc:a3355a86b48a1f5ab19710f9f6cd242f7">
        <td className="mdescLeft"> </td>
        <td className="mdescRight">Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearTablesRequest" title="A set of parameters for GPUdb::clearTables.">ClearTablesRequest</a> object with default parameters. <br /></td>
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        <td className="memItemRight" valign="bottom"><a className="el" href="#a2c2e465b4975b2c59baf9098f22d550b">ClearTablesRequest</a> (const std::vector\< std::string > \&tableNames\_, 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_1ClearTablesRequest" title="A set of parameters for GPUdb::clearTables.">ClearTablesRequest</a> object with the specified parameters. <br /></td>
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          <h2 className="groupheader"> Public Attributes</h2>
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        <td className="memItemLeft" align="right" valign="top">std::vector\< std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a0babc8dca214897e4c604987e4efb3d2">tableNames</a></td>
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        <td className="mdescRight">Names of the tables to be cleared, 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::map\< std::string, std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#aa687fc75f3d7c55dac3f7de53188dadd">options</a></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#a6ea34c34f63eb6781811eea53b2a7e33">GPUdb::clearTables</a>. </p>
      <p>Clears (drops) tables in the database cluster. The operation is synchronous meaning that the tables will be cleared before the function returns. The response payload returns the status of the operation for each table requested. </p>
      <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__tables_8h_source#l00021">21</a> of file <a className="el" href="/content/api/cpp/clear__tables_8h_source">clear\_tables.h</a>.</p>
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    <h2 className="groupheader">Constructor & Destructor Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#a3355a86b48a1f5ab19710f9f6cd242f7">◆ </a></span>ClearTablesRequest() <span className="overload">\[1/2]</span></h2>

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                  <td className="memname">gpudb::ClearTablesRequest::ClearTablesRequest </td>
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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearTablesRequest" title="A set of parameters for GPUdb::clearTables.">ClearTablesRequest</a> object with default parameters. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__tables_8h_source#l00026">26</a> of file <a className="el" href="/content/api/cpp/clear__tables_8h_source">clear\_tables.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a2c2e465b4975b2c59baf9098f22d550b">◆ </a></span>ClearTablesRequest() <span className="overload">\[2/2]</span></h2>

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                  <td className="memname">gpudb::ClearTablesRequest::ClearTablesRequest </td>
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                  <td className="paramtype">const std::vector\< std::string > &</td>
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                  <td className="paramname"><span className="paramname"><span className="em">options\_</span></span> )</td>
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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1ClearTablesRequest" title="A set of parameters for GPUdb::clearTables.">ClearTablesRequest</a> object with the specified parameters. </p>

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                <td className="paramdir">\[in]</td>
                <td className="paramname">tableNames\_</td>
                <td>Names of the tables to be cleared, in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. Must be existing tables. Empty list clears all available tables, though this behavior is be prevented by default via gpudb.conf parameter 'disable\_clear\_all'. The default value is an empty vector. </td>
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                <td className="paramdir">\[in]</td>
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                  Optional parameters.

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                      <a className="el" href="/content/api/cpp/namespacegpudb#aad8bebea802c4d60f13cb20c11cdee46">clear\_tables\_no\_error\_if\_not\_exists</a>: If <a className="el" href="/content/api/cpp/namespacegpudb#aeb4d938d6844d47c476c1e7f793b7603">true</a> and if a table specified in <span className="em arg">tableNames\_</span> does not exist no error is returned. If <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">false</a> and if a table specified in <span className="em arg">tableNames\_</span> does not exist then an error is returned. Supported values:

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                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aeb4d938d6844d47c476c1e7f793b7603">clear\_tables\_true</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">clear\_tables\_false</a> </li>
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                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">clear\_tables\_false</a>.
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                  The default value is an empty map.
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        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__tables_8h_source#l00072">72</a> of file <a className="el" href="/content/api/cpp/clear__tables_8h_source">clear\_tables.h</a>.</p>
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    <h2 className="groupheader">Member Data Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#aa687fc75f3d7c55dac3f7de53188dadd">◆ </a></span>options</h2>

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            <td className="memname">std::map\<std::string, std::string> gpudb::ClearTablesRequest::options</td>
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        <p>Optional parameters. </p>

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          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#aad8bebea802c4d60f13cb20c11cdee46">clear\_tables\_no\_error\_if\_not\_exists</a>: If <a className="el" href="/content/api/cpp/namespacegpudb#aeb4d938d6844d47c476c1e7f793b7603">true</a> and if a table specified in <a className="el" href="#a0babc8dca214897e4c604987e4efb3d2">tableNames</a> does not exist no error is returned. If <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">false</a> and if a table specified in <a className="el" href="#a0babc8dca214897e4c604987e4efb3d2">tableNames</a> does not exist then an error is returned. Supported values:

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              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aeb4d938d6844d47c476c1e7f793b7603">clear\_tables\_true</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">clear\_tables\_false</a> </li>
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            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a0820747ad294b1af92e267be2a7beae0">clear\_tables\_false</a>.
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        <p>The default value is an empty map. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__tables_8h_source#l00108">108</a> of file <a className="el" href="/content/api/cpp/clear__tables_8h_source">clear\_tables.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a0babc8dca214897e4c604987e4efb3d2">◆ </a></span>tableNames</h2>

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            <td className="memname">std::vector\<std::string> gpudb::ClearTablesRequest::tableNames</td>
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        <p>Names of the tables to be cleared, 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 existing tables. Empty list clears all available tables, though this behavior is be prevented by default via gpudb.conf parameter 'disable\_clear\_all'. The default value is an empty vector. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/clear__tables_8h_source#l00087">87</a> of file <a className="el" href="/content/api/cpp/clear__tables_8h_source">clear\_tables.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__tables_8h_source">clear\_tables.h</a></li>
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