org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;, org.apache.pig.Algebraic</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/datasketches/pig/quantiles/UnionStringsSketch.html" title="class in org.apache.datasketches.pig.quantiles">UnionStringsSketch</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="typeNameLabel">UnionItemsSketch&lt;T&gt;</span>
extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;
implements org.apache.pig.Accumul