# C1.DataEngine.RuntimeQuery

## Content

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



  <h1 id="C1_DataEngine_RuntimeQuery" data-uid="C1.DataEngine.RuntimeQuery" class="text-break">RuntimeQuery Class
</h1>
  <div class="markdown level0 summary"><p>Represents a C1DataEngine query.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><span class="xref">RuntimeQuery</span></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.Api.dll</h6>
  <h5 id="C1_DataEngine_RuntimeQuery_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[DataContract]
public class RuntimeQuery</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;DataContract&gt;
Public Class RuntimeQuery</code></pre>
  </div>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery__ctor" data-uid="C1.DataEngine.RuntimeQuery.#ctor">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.-ctor.html#C1_DataEngine_RuntimeQuery__ctor">RuntimeQuery()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_columns" data-uid="C1.DataEngine.RuntimeQuery.columns">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.columns.html#C1_DataEngine_RuntimeQuery_columns">columns</a>
        </td>
        <td class="markdown level1 summary"><p>An array of column names (need not be fully qualified if there is only one table).</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_joins" data-uid="C1.DataEngine.RuntimeQuery.joins">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.joins.html#C1_DataEngine_RuntimeQuery_joins">joins</a>
        </td>
        <td class="markdown level1 summary"><p>An optional array of join conditions</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_name" data-uid="C1.DataEngine.RuntimeQuery.name">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.name.html#C1_DataEngine_RuntimeQuery_name">name</a>
        </td>
        <td class="markdown level1 summary"><p>The name of the query.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_range" data-uid="C1.DataEngine.RuntimeQuery.range">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.range.html#C1_DataEngine_RuntimeQuery_range">range</a>
        </td>
        <td class="markdown level1 summary"><p>An optional array of range conditions</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_tables" data-uid="C1.DataEngine.RuntimeQuery.tables">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.tables.html#C1_DataEngine_RuntimeQuery_tables">tables</a>
        </td>
        <td class="markdown level1 summary"><p>An array of table names (join queries require two or more).</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_isFilter" data-uid="C1.DataEngine.RuntimeQuery.isFilter">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.isFilter.html#C1_DataEngine_RuntimeQuery_isFilter">isFilter()</a>
        </td>
        <td class="markdown level1 summary"><p>Returns a value that indicates whether the query has one or more range conditions AND at least one of them must be evaluated as a filter.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_isRange" data-uid="C1.DataEngine.RuntimeQuery.isRange">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.isRange.html#C1_DataEngine_RuntimeQuery_isRange">isRange()</a>
        </td>
        <td class="markdown level1 summary"><p>Returns a value that indicates whether the query has one or more range conditions AND all of them may be evaluated as a range.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeQuery_requiresParent" data-uid="C1.DataEngine.RuntimeQuery.requiresParent">
          <a class="xref" href="C1.DataEngine.RuntimeQuery.requiresParent.html#C1_DataEngine_RuntimeQuery_requiresParent">requiresParent()</a>
        </td>
        <td class="markdown level1 summary"><p>Returns a value that indicates whether the query uses a DateTime operator or other construct that requires derivation from a parent query.</p>
</td>
      </tr>
    </tbody>
  </table>

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