# C1.DataEngine.ClearFileType

## Content

<div class="doc-site-dotnet-api-container">




  <h1 id="C1_DataEngine_ClearFileType" data-uid="C1.DataEngine.ClearFileType" class="text-break">ClearFileType Enum
</h1>
  <div class="markdown level0 summary"><p>Kind of data files to delete (for disk cleanup). Used in the <a class="xref" href="C1.DataEngine.Workspace.Clear.html#C1_DataEngine_Workspace_Clear_C1_DataEngine_ClearFileType_">Clear(ClearFileType)</a> method.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.dll</h6>
  <h5 id="C1_DataEngine_ClearFileType_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[Flags]
public enum ClearFileType</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;Flags&gt;
Public Enum ClearFileType</code></pre>
  </div>
  <h3 id="fields">Fields
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    <thead>
    </thead></thead><tbody>
      <tr>
        <td id="C1_DataEngine_ClearFileType_All">All</td>
        <td><p>Delete all workspace files, including the original table data.
Use this value with caution. It wipes out all DataEngine data for the workspace.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_ClearFileType_Index">Index</td>
        <td><p>Delete all indexes (table row ids sorted by one or more fields) created in calculations.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_ClearFileType_Join">Join</td>
        <td><p>Delete all joins created in calculations.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_ClearFileType_Projection">Projection</td>
        <td><p>Delete all projections (files containing field values projected on an index sort order) created in calculations.
Projections are kept (in automatic cleanup) together with corresponding indexes, that is why there is no separate value for them in the <a class="xref" href="C1.DataEngine.KeepFileType.html">KeepFileType</a> enum,
but they can be deleted separately from indexes in manual cleanup.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_ClearFileType_Results">Results</td>
        <td><p>Delete all result files (data sent to the client) created in calculations.</p>
</td>
      </tr>
    </tbody>
  </table>
</div>