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      <base href="https://bugs.documentfoundation.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Performance of pivot table cache population can be improved..."
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=107945">107945</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Performance of pivot table cache population can be improved...
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>kohei.yoshida@collabora.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
We have a customer document (xlsx file) that exhibits a slow import.  Upon
further examination at least a part of the poor performance stems from pivot
cache population esp. in

ScDPCache::InitFromDoc(...)

where we are not properly parsing the column values using the
multi_type_vector's position iterators.

We should be able to improve the performance of this code, and I'm currently
looking into this.

Actual Results:  


Expected Results:



Reproducible: Always

User Profile Reset: 

Additional Info:


User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101
Firefox/53.0</pre>
        </div>
      </p>


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