e</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/solr/schema/FieldType.html" title="class in org.apache.solr.schema">FieldType</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>sf</code> - field instance</dd>
<dt><span class="strong">Returns:</span></dt><dd>type to uninvert, or <code>null</code> (to disallow uninversion for the field)</dd></dl>
</li>
</ul>
<a name="getValueSource(org.apache.solr.schema.SchemaField, org.apache.solr.search.QParser)">
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