# C1.DataConnector.SqlBaseVisitor-1.VisitColumn_constraint

## Content

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<h1 id="C1_DataConnector_SqlBaseVisitor_1_VisitColumn_constraint_" data-uid="C1.DataConnector.SqlBaseVisitor`1.VisitColumn_constraint*">VisitColumn_constraint Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_DataConnector_SqlBaseVisitor_1_VisitColumn_constraint_" data-uid="C1.DataConnector.SqlBaseVisitor`1.VisitColumn_constraint*"></a>
<h4 id="C1_DataConnector_SqlBaseVisitor_1_VisitColumn_constraint_SqlParser_Column_constraintContext_" data-uid="C1.DataConnector.SqlBaseVisitor`1.VisitColumn_constraint(SqlParser.Column_constraintContext)">VisitColumn_constraint(Column_constraintContext)</h4>
<div class="markdown level1 summary"><p>Visit a parse tree produced by <a class="xref" href="C1.DataConnector.SqlParser.column_constraint.html#SqlParser_column_constraint">column_constraint()</a>.</p>
<p>
The default implementation returns the result of calling <span class="xref">Antlr4.Runtime.Tree.AbstractParseTreeVisitor`1.VisitChildren(Antlr4.Runtime.Tree.IRuleNode)</span>
on <code class="paramref">context</code>.
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual Result VisitColumn_constraint(SqlParser.Column_constraintContext context)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Function VisitColumn_constraint(context As SqlParser.Column_constraintContext) As Result</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="SqlParser.html">SqlParser</a>.<a class="xref" href="SqlParser.Column_constraintContext.html">Column_constraintContext</a></td>
      <td><span class="parametername">context</span></td>
      <td><p>The parse tree.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><span class="xref">Result</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="implements">Implements</h5>
    <div><a class="xref" href="C1.DataConnector.ISqlVisitor-1.VisitColumn_constraint.html#C1_DataConnector_ISqlVisitor_1_VisitColumn_constraint_SqlParser_Column_constraintContext_">ISqlVisitor&lt;Result&gt;.VisitColumn_constraint(SqlParser.Column_constraintContext)</a></div>
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