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# showStatistics

<div className="kinetica-doxygen">
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  <h2 className="memtitle"><span className="permalink"><a href="#a9f383f90577358cd07abe30ddf79295f">◆ </a></span>showStatistics() <span className="overload">\[1/4]</span></h2>

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      <table className="memname">
        <tr>
          <td className="memname"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> gpudb::GPUdb::showStatistics </td>
          <td>(</td>
          <td className="paramtype">const <a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsRequest">ShowStatisticsRequest</a> &</td>
          <td className="paramname"><span className="paramname"><span className="em">request\_</span></span></td>
          <td>)</td>
          <td> const</td>
        </tr>
      </table>
    </div>

    <div className="memdoc">
      <p>Retrieves the collected column statistics for the specified table(s). </p>

      <div className="dl params">
        <div className="dt">Parameters</div>

        <div className="dd">
          <table className="params">
            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">request\_</td>
              <td><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsRequest">Request</a> object containing the parameters for the operation.</td>
            </tr>
          </table>
        </div>
      </div>

      <div className="dl section return">
        <div className="dt">Returns</div>
        <div className="dd"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the result of the operation. </div>
      </div>
    </div>
  </div>

  <div id="abc0302b8710c3ee9fe443f7ab5c57d22" />

  <h2 className="memtitle"><span className="permalink"><a href="#abc0302b8710c3ee9fe443f7ab5c57d22">◆ </a></span>showStatistics() <span className="overload">\[2/4]</span></h2>

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    <div className="memproto">
      <table className="memname">
        <tr>
          <td className="memname"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> & gpudb::GPUdb::showStatistics </td>
          <td>(</td>
          <td className="paramtype">const <a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsRequest">ShowStatisticsRequest</a> &</td>
          <td className="paramname"><span className="paramname"><span className="em">request\_</span></span>, </td>
        </tr>

        <tr>
          <td className="paramkey" />

          <td />

          <td className="paramtype"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> &</td>
          <td className="paramname"><span className="paramname"><span className="em">response\_</span></span> ) const</td>
        </tr>
      </table>
    </div>

    <div className="memdoc">
      <p>Retrieves the collected column statistics for the specified table(s). </p>

      <div className="dl params">
        <div className="dt">Parameters</div>

        <div className="dd">
          <table className="params">
            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">request\_</td>
              <td><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsRequest">Request</a> object containing the parameters for the operation. </td>
            </tr>

            <tr>
              <td className="paramdir">\[out]</td>
              <td className="paramname">response\_</td>
              <td><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the results of the operation.</td>
            </tr>
          </table>
        </div>
      </div>

      <div className="dl section return">
        <div className="dt">Returns</div>
        <div className="dd"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the result of the operation (initially passed in by reference). </div>
      </div>
    </div>
  </div>

  <div id="a718f8538f41b0877f1d3c998ec263bf9" />

  <h2 className="memtitle"><span className="permalink"><a href="#a718f8538f41b0877f1d3c998ec263bf9">◆ </a></span>showStatistics() <span className="overload">\[3/4]</span></h2>

  <div className="memitem">
    <div className="memproto">
      <table className="memname">
        <tr>
          <td className="memname"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> gpudb::GPUdb::showStatistics </td>
          <td>(</td>
          <td className="paramtype">const std::vector\< std::string > &</td>
          <td className="paramname"><span className="paramname"><span className="em">tableNames</span></span>, </td>
        </tr>

        <tr>
          <td className="paramkey" />

          <td />

          <td className="paramtype">const std::map\< std::string, std::string > &</td>
          <td className="paramname"><span className="paramname"><span className="em">options</span></span> ) const</td>
        </tr>
      </table>
    </div>

    <div className="memdoc">
      <p>Retrieves the collected column statistics for the specified table(s). </p>

      <div className="dl params">
        <div className="dt">Parameters</div>

        <div className="dd">
          <table className="params">
            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">tableNames</td>
              <td>Names of tables whose metadata will be fetched, each in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. All provided tables must exist, or an error is returned. A single entry of '\*' expands to every user table the caller may read (excluding system schemas, views, and temporary tables); when used it must be the only entry. </td>
            </tr>

            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">options</td>

              <td>
                Optional parameters.

                <ul>
                  <li>
                    <a className="el" href="/content/api/cpp/namespacegpudb#a7d76a95c1fb5ee220e049f6334be9696">show\_statistics\_no\_error\_if\_not\_exists</a>: If <a className="el" href="/content/api/cpp/namespacegpudb#a83d9cb34ce94fe40114b20cb32748eb7">true</a> and if the table names specified in <span className="em arg">tableNames</span> does not exist, no error is returned. If <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">false</a> and if the table names specified in <span className="em arg">tableNames</span> does not exist, then an error is returned. Supported values:

                    <ul>
                      <li> <a className="el" href="/content/api/cpp/namespacegpudb#a83d9cb34ce94fe40114b20cb32748eb7">show\_statistics\_true</a> </li>
                      <li> <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">show\_statistics\_false</a> </li>
                    </ul>

                    The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">show\_statistics\_false</a>.
                  </li>
                </ul>

                The default value is an empty map.
              </td>
            </tr>
          </table>
        </div>
      </div>

      <div className="dl section return">
        <div className="dt">Returns</div>
        <div className="dd"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the result of the operation. </div>
      </div>
    </div>
  </div>

  <div id="a7b33126532757e9abfabcd9fbdc8982d" />

  <h2 className="memtitle"><span className="permalink"><a href="#a7b33126532757e9abfabcd9fbdc8982d">◆ </a></span>showStatistics() <span className="overload">\[4/4]</span></h2>

  <div className="memitem">
    <div className="memproto">
      <table className="memname">
        <tr>
          <td className="memname"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> & gpudb::GPUdb::showStatistics </td>
          <td>(</td>
          <td className="paramtype">const std::vector\< std::string > &</td>
          <td className="paramname"><span className="paramname"><span className="em">tableNames</span></span>, </td>
        </tr>

        <tr>
          <td className="paramkey" />

          <td />

          <td className="paramtype">const std::map\< std::string, std::string > &</td>
          <td className="paramname"><span className="paramname"><span className="em">options</span></span>, </td>
        </tr>

        <tr>
          <td className="paramkey" />

          <td />

          <td className="paramtype"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">ShowStatisticsResponse</a> &</td>
          <td className="paramname"><span className="paramname"><span className="em">response\_</span></span> ) const</td>
        </tr>
      </table>
    </div>

    <div className="memdoc">
      <p>Retrieves the collected column statistics for the specified table(s). </p>

      <div className="dl params">
        <div className="dt">Parameters</div>

        <div className="dd">
          <table className="params">
            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">tableNames</td>
              <td>Names of tables whose metadata will be fetched, each in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a>. All provided tables must exist, or an error is returned. A single entry of '\*' expands to every user table the caller may read (excluding system schemas, views, and temporary tables); when used it must be the only entry. </td>
            </tr>

            <tr>
              <td className="paramdir">\[in]</td>
              <td className="paramname">options</td>

              <td>
                Optional parameters.

                <ul>
                  <li>
                    <a className="el" href="/content/api/cpp/namespacegpudb#a7d76a95c1fb5ee220e049f6334be9696">show\_statistics\_no\_error\_if\_not\_exists</a>: If <a className="el" href="/content/api/cpp/namespacegpudb#a83d9cb34ce94fe40114b20cb32748eb7">true</a> and if the table names specified in <span className="em arg">tableNames</span> does not exist, no error is returned. If <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">false</a> and if the table names specified in <span className="em arg">tableNames</span> does not exist, then an error is returned. Supported values:

                    <ul>
                      <li> <a className="el" href="/content/api/cpp/namespacegpudb#a83d9cb34ce94fe40114b20cb32748eb7">show\_statistics\_true</a> </li>
                      <li> <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">show\_statistics\_false</a> </li>
                    </ul>

                    The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a42cedb45be89e7b0b659b4f55e70fccc">show\_statistics\_false</a>.
                  </li>
                </ul>

                The default value is an empty map.
              </td>
            </tr>

            <tr>
              <td className="paramdir">\[out]</td>
              <td className="paramname">response\_</td>
              <td><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the results of the operation.</td>
            </tr>
          </table>
        </div>
      </div>

      <div className="dl section return">
        <div className="dt">Returns</div>
        <div className="dd"><a className="el" href="/content/api/cpp/structgpudb_1_1ShowStatisticsResponse">Response</a> object containing the result of the operation (initially passed in by reference). </div>
      </div>
    </div>
  </div>
</div>