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Posted to commits@datafu.apache.org by ey...@apache.org on 2023/01/25 20:48:41 UTC

svn commit: r1906998 [17/19] - in /datafu/site: ./ blog/ blog/2012/01/10/ blog/2013/01/24/ blog/2013/09/04/ blog/2013/10/03/ blog/2014/04/27/ blog/2015/11/17/ blog/2016/08/10/ blog/2017/03/10/ blog/2018/01/26/ blog/2018/03/22/ blog/2019/01/07/ blog/201...

Added: datafu/site/docs/spark/1.7.0/org/apache/spark/sql/datafu/types/MaxValueByKey.html
URL: http://svn.apache.org/viewvc/datafu/site/docs/spark/1.7.0/org/apache/spark/sql/datafu/types/MaxValueByKey.html?rev=1906998&view=auto
==============================================================================
--- datafu/site/docs/spark/1.7.0/org/apache/spark/sql/datafu/types/MaxValueByKey.html (added)
+++ datafu/site/docs/spark/1.7.0/org/apache/spark/sql/datafu/types/MaxValueByKey.html Wed Jan 25 20:48:40 2023
@@ -0,0 +1,1700 @@
+<!DOCTYPE html >
+<html>
+        <head>
+          <title>MaxValueByKey - datafu-spark 1.8.0-SNAPSHOT-SNAPSHOT API - org.apache.spark.sql.datafu.types.MaxValueByKey</title>
+          <meta name="description" content="MaxValueByKey - datafu - spark 1.8.0 - SNAPSHOT - SNAPSHOT API - org.apache.spark.sql.datafu.types.MaxValueByKey" />
+          <meta name="keywords" content="MaxValueByKey datafu spark 1.8.0 SNAPSHOT SNAPSHOT API org.apache.spark.sql.datafu.types.MaxValueByKey" />
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+    
+        </head>
+        <body class="type">
+      <div id="definition">
+        <img alt="Class" src="../../../../../../lib/class_big.png" />
+        <p id="owner"><a href="../../../../../package.html" class="extype" name="org">org</a>.<a href="../../../../package.html" class="extype" name="org.apache">apache</a>.<a href="../../../package.html" class="extype" name="org.apache.spark">spark</a>.<a href="../../package.html" class="extype" name="org.apache.spark.sql">sql</a>.<a href="../package.html" class="extype" name="org.apache.spark.sql.datafu">datafu</a>.<a href="package.html" class="extype" name="org.apache.spark.sql.datafu.types">types</a></p>
+        <h1>MaxValueByKey</h1><h3><span class="morelinks"><div>Related Doc:
+            <a href="package.html" class="extype" name="org.apache.spark.sql.datafu.types">package types</a>
+          </div></span></h3><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      </div>
+
+      <h4 id="signature" class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">case class</span>
+      </span>
+      <span class="symbol">
+        <span class="name">MaxValueByKey</span><span class="params">(<span name="child1">child1: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>, <span name="child2">child2: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>)</span><span class="result"> extends <a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> with <span class="extype" name="scala.Product">Product</span> with <span class="extype" name="scala.Serializable">Serializable</span></span>
+      </span>
+      </h4>
+      
+          <div id="comment" class="fullcommenttop"><div class="toggleContainer block">
+          <span class="toggle">Linear Supertypes</span>
+          <div class="superTypes hiddenContent"><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a>, <span class="extype" name="org.apache.spark.sql.catalyst.expressions.ExpectsInputTypes">ExpectsInputTypes</span>, <span class="extype" name="org.apache.spark.sql.catalyst.expressions.aggregate.DeclarativeAggregate">DeclarativeAggregate</span>, <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Unevaluable">Unevaluable</span>, <span class="extype" name="scala.Serializable">Serializable</span>, <span class="extype" name="java.io.Serializable">Serializable</span>, <span class="extype" name="org.apache.spark.sql.catalyst.expressions.aggregate.AggregateFunction">AggregateFunction</span>, <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>, <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode">TreeNode</span>[<span class="extype
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+        </div></div>
+        
+
+      <div id="mbrsel">
+        <div id="textfilter"><span class="pre"></span><span class="input"><input id="mbrsel-input" type="text" accesskey="/" /></span><span class="post"></span></div>
+        <div id="order">
+              <span class="filtertype">Ordering</span>
+              <ol>
+                
+                <li class="alpha in"><span>Alphabetic</span></li>
+                <li class="inherit out"><span>By Inheritance</span></li>
+              </ol>
+            </div>
+        <div id="ancestors">
+                <span class="filtertype">Inherited<br />
+                </span>
+                <ol id="linearization">
+                  <li class="in" name="org.apache.spark.sql.datafu.types.MaxValueByKey"><span>MaxValueByKey</span></li><li class="in" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey"><span>ExtramumValueByKey</span></li><li class="in" name="org.apache.spark.sql.catalyst.expressions.ExpectsInputTypes"><span>ExpectsInputTypes</span></li><li class="in" name="org.apache.spark.sql.catalyst.expressions.aggregate.DeclarativeAggregate"><span>DeclarativeAggregate</span></li><li class="in" name="org.apache.spark.sql.catalyst.expressions.Unevaluable"><span>Unevaluable</span></li><li class="in" name="scala.Serializable"><span>Serializable</span></li><li class="in" name="java.io.Serializable"><span>Serializable</span></li><li class="in" name="org.apache.spark.sql.catalyst.expressions.aggregate.AggregateFunction"><span>AggregateFunction</span></li><li class="in" name="org.apache.spark.sql.catalyst.expressions.Expression"><span>Expression</span></li><li class="in" name="org.apache.spark.
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+                </ol>
+              </div><div id="ancestors">
+            <span class="filtertype"></span>
+            <ol>
+              <li class="hideall out"><span>Hide All</span></li>
+              <li class="showall in"><span>Show All</span></li>
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+            <ol><li class="public in"><span>Public</span></li><li class="all out"><span>All</span></li></ol>
+          </div>
+      </div>
+
+      <div id="template">
+        <div id="allMembers">
+        <div id="constructors" class="members">
+              <h3>Instance Constructors</h3>
+              <ol><li name="org.apache.spark.sql.datafu.types.MaxValueByKey#&lt;init&gt;" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="&lt;init&gt;(child1:org.apache.spark.sql.catalyst.expressions.Expression,child2:org.apache.spark.sql.catalyst.expressions.Expression):org.apache.spark.sql.datafu.types.MaxValueByKey"></a>
+      <a id="&lt;init&gt;:MaxValueByKey"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">new</span>
+      </span>
+      <span class="symbol">
+        <span class="name">MaxValueByKey</span><span class="params">(<span name="child1">child1: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>, <span name="child2">child2: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>)</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@&lt;init&gt;(child1:org.apache.spark.sql.catalyst.expressions.Expression,child2:org.apache.spark.sql.catalyst.expressions.Expression):org.apache.spark.sql.datafu.types.MaxValueByKey" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
+    </li></ol>
+            </div>
+
+        <div id="types" class="types members">
+              <h3>Type Members</h3>
+              <ol><li name="org.apache.spark.sql.catalyst.expressions.aggregate.DeclarativeAggregate.RichAttribute" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="RichAttributeextendsAnyRef"></a>
+      <a id="RichAttribute:RichAttribute"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">implicit </span>
+        <span class="kind">class</span>
+      </span>
+      <span class="symbol">
+        <span class="name">RichAttribute</span><span class="result"> extends <span class="extype" name="scala.AnyRef">AnyRef</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@RichAttributeextendsAnyRef" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>DeclarativeAggregate</dd></dl></div>
+    </li></ol>
+            </div>
+
+        
+
+        <div id="values" class="values members">
+              <h3>Value Members</h3>
+              <ol><li name="scala.AnyRef#!=" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="!=(x$1:Any):Boolean"></a>
+      <a id="!=(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $bang$eq" class="name">!=</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@!=(x$1:Any):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.AnyRef###" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="##():Int"></a>
+      <a id="##():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $hash$hash" class="name">##</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@##():Int" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#==" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="==(x$1:Any):Boolean"></a>
+      <a id="==(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $eq$eq" class="name">==</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@==(x$1:Any):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#aggBufferAttributes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="aggBufferAttributes:Seq[org.apache.spark.sql.catalyst.expressions.AttributeReference]"></a>
+      <a id="aggBufferAttributes:Seq[AttributeReference]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">aggBufferAttributes</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.AttributeReference">AttributeReference</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@aggBufferAttributes:Seq[org.apache.spark.sql.catalyst.expressions.AttributeReference]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → AggregateFunction</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.aggregate.DeclarativeAggregate#aggBufferSchema" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="aggBufferSchema:org.apache.spark.sql.types.StructType"></a>
+      <a id="aggBufferSchema:StructType"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">aggBufferSchema</span><span class="result">: <span class="extype" name="org.apache.spark.sql.types.StructType">StructType</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@aggBufferSchema:org.apache.spark.sql.types.StructType" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>DeclarativeAggregate → AggregateFunction</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#apply" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="apply(number:Int):org.apache.spark.sql.catalyst.trees.TreeNode[_]"></a>
+      <a id="apply(Int):TreeNode[_]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">apply</span><span class="params">(<span name="number">number: <span class="extype" name="scala.Int">Int</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode">TreeNode</span>[_]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@apply(number:Int):org.apache.spark.sql.catalyst.trees.TreeNode[_]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#argString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="argString:String"></a>
+      <a id="argString:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">argString</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@argString:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#asCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="asCode:String"></a>
+      <a id="asCode:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">asCode</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@asCode:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="scala.Any#asInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="asInstanceOf[T0]:T0"></a>
+      <a id="asInstanceOf[T0]:T0"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">asInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Any.asInstanceOf.T0">T0</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@asInstanceOf[T0]:T0" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#canonicalized" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="canonicalized:org.apache.spark.sql.catalyst.expressions.Expression"></a>
+      <a id="canonicalized:Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
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+      <span class="symbol">
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+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@canonicalized:org.apache.spark.sql.catalyst.expressions.Expression" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#checkInputDataTypes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="checkInputDataTypes():org.apache.spark.sql.catalyst.analysis.TypeCheckResult"></a>
+      <a id="checkInputDataTypes():TypeCheckResult"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">checkInputDataTypes</span><span class="params">()</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.analysis.TypeCheckResult">TypeCheckResult</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@checkInputDataTypes():org.apache.spark.sql.catalyst.analysis.TypeCheckResult" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → ExpectsInputTypes → Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.MaxValueByKey#child1" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="child1:org.apache.spark.sql.catalyst.expressions.Expression"></a>
+      <a id="child1:Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">child1</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@child1:org.apache.spark.sql.catalyst.expressions.Expression" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
+    </li><li name="org.apache.spark.sql.datafu.types.MaxValueByKey#child2" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="child2:org.apache.spark.sql.catalyst.expressions.Expression"></a>
+      <a id="child2:Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">child2</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@child2:org.apache.spark.sql.catalyst.expressions.Expression" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#children" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="children:Seq[org.apache.spark.sql.catalyst.expressions.Expression]"></a>
+      <a id="children:Seq[Expression]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">children</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@children:Seq[org.apache.spark.sql.catalyst.expressions.Expression]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#childrenResolved" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="childrenResolved:Boolean"></a>
+      <a id="childrenResolved:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">childrenResolved</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@childrenResolved:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="scala.AnyRef#clone" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="clone():Object"></a>
+      <a id="clone():AnyRef"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">clone</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.AnyRef">AnyRef</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@clone():Object" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected[<a href="../../../../../../java$lang.html" class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" name="classOf[java.lang.CloneNotSupportedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#collect" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="collect[B](pf:PartialFunction[BaseType,B]):Seq[B]"></a>
+      <a id="collect[B](PartialFunction[Expression,B]):Seq[B]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">collect</span><span class="tparams">[<span name="B">B</span>]</span><span class="params">(<span name="pf">pf: <span class="extype" name="scala.PartialFunction">PartialFunction</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>, <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.collect.B">B</span>]</span>)</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.collect.B">B</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@collect[B](pf:PartialFunction[BaseType,B]):Seq[B]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#collectFirst" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="collectFirst[B](pf:PartialFunction[BaseType,B]):Option[B]"></a>
+      <a id="collectFirst[B](PartialFunction[Expression,B]):Option[B]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">collectFirst</span><span class="tparams">[<span name="B">B</span>]</span><span class="params">(<span name="pf">pf: <span class="extype" name="scala.PartialFunction">PartialFunction</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>, <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.collectFirst.B">B</span>]</span>)</span><span class="result">: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.collectFirst.B">B</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@collectFirst[B](pf:PartialFunction[BaseType,B]):Option[B]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#collectLeaves" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="collectLeaves():Seq[BaseType]"></a>
+      <a id="collectLeaves():Seq[Expression]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">collectLeaves</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@collectLeaves():Seq[BaseType]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#containsChild" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="containsChild:Set[org.apache.spark.sql.catalyst.trees.TreeNode[_]]"></a>
+      <a id="containsChild:Set[TreeNode[_]]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">containsChild</span><span class="result">: <span class="extype" name="scala.Predef.Set">Set</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode">TreeNode</span>[_]]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@containsChild:Set[org.apache.spark.sql.catalyst.trees.TreeNode[_]]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#dataType" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="dataType:org.apache.spark.sql.types.DataType"></a>
+      <a id="dataType:DataType"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">dataType</span><span class="result">: <span class="extype" name="org.apache.spark.sql.types.DataType">DataType</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@dataType:org.apache.spark.sql.types.DataType" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.aggregate.AggregateFunction#defaultResult" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="defaultResult:Option[org.apache.spark.sql.catalyst.expressions.Literal]"></a>
+      <a id="defaultResult:Option[Literal]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">defaultResult</span><span class="result">: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Literal">Literal</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@defaultResult:Option[org.apache.spark.sql.catalyst.expressions.Literal]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AggregateFunction</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#deterministic" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="deterministic:Boolean"></a>
+      <a id="deterministic:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">deterministic</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@deterministic:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Unevaluable#doGenCode" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="doGenCode(ctx:org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext,ev:org.apache.spark.sql.catalyst.expressions.codegen.ExprCode):org.apache.spark.sql.catalyst.expressions.codegen.ExprCode"></a>
+      <a id="doGenCode(CodegenContext,ExprCode):ExprCode"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">doGenCode</span><span class="params">(<span name="ctx">ctx: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext">CodegenContext</span></span>, <span name="ev">ev: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.codegen.ExprCode">ExprCode</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.codegen.ExprCode">ExprCode</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@doGenCode(ctx:org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext,ev:org.apache.spark.sql.catalyst.expressions.codegen.ExprCode):org.apache.spark.sql.catalyst.expressions.codegen.ExprCode" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>Unevaluable → Expression</dd></dl></div>
+    </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="eq(x$1:AnyRef):Boolean"></a>
+      <a id="eq(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">eq</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@eq(x$1:AnyRef):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Unevaluable#eval" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="eval(input:org.apache.spark.sql.catalyst.InternalRow):Any"></a>
+      <a id="eval(InternalRow):Any"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">eval</span><span class="params">(<span name="input">input: <span class="extype" name="org.apache.spark.sql.catalyst.InternalRow">InternalRow</span></span>)</span><span class="result">: <span class="extype" name="scala.Any">Any</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@eval(input:org.apache.spark.sql.catalyst.InternalRow):Any" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Unevaluable → Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#evaluateExpression" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="evaluateExpression:org.apache.spark.sql.catalyst.expressions.AttributeReference"></a>
+      <a id="evaluateExpression:AttributeReference"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">evaluateExpression</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.AttributeReference">AttributeReference</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@evaluateExpression:org.apache.spark.sql.catalyst.expressions.AttributeReference" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → DeclarativeAggregate</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#fastEquals" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="fastEquals(other:org.apache.spark.sql.catalyst.trees.TreeNode[_]):Boolean"></a>
+      <a id="fastEquals(TreeNode[_]):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">fastEquals</span><span class="params">(<span name="other">other: <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode">TreeNode</span>[_]</span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@fastEquals(other:org.apache.spark.sql.catalyst.trees.TreeNode[_]):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="scala.AnyRef#finalize" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="finalize():Unit"></a>
+      <a id="finalize():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">finalize</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@finalize():Unit" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected[<a href="../../../../../../java$lang.html" class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="symbol">classOf[java.lang.Throwable]</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#find" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="find(f:BaseType=&gt;Boolean):Option[BaseType]"></a>
+      <a id="find((Expression)⇒Boolean):Option[Expression]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">find</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="scala.Boolean">Boolean</span></span>)</span><span class="result">: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@find(f:BaseType=&gt;Boolean):Option[BaseType]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#flatArguments" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="flatArguments:Iterator[Any]"></a>
+      <a id="flatArguments:Iterator[Any]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">flatArguments</span><span class="result">: <span class="extype" name="scala.Iterator">Iterator</span>[<span class="extype" name="scala.Any">Any</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@flatArguments:Iterator[Any]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#flatMap" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="flatMap[A](f:BaseType=&gt;TraversableOnce[A]):Seq[A]"></a>
+      <a id="flatMap[A]((Expression)⇒TraversableOnce[A]):Seq[A]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">flatMap</span><span class="tparams">[<span name="A">A</span>]</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="scala.TraversableOnce">TraversableOnce</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.flatMap.A">A</span>]</span>)</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.flatMap.A">A</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@flatMap[A](f:BaseType=&gt;TraversableOnce[A]):Seq[A]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.aggregate.AggregateFunction#foldable" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="foldable:Boolean"></a>
+      <a id="foldable:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">foldable</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@foldable:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AggregateFunction → Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#foreach" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="foreach(f:BaseType=&gt;Unit):Unit"></a>
+      <a id="foreach((Expression)⇒Unit):Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">foreach</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="scala.Unit">Unit</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@foreach(f:BaseType=&gt;Unit):Unit" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#foreachUp" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="foreachUp(f:BaseType=&gt;Unit):Unit"></a>
+      <a id="foreachUp((Expression)⇒Unit):Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">foreachUp</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="scala.Unit">Unit</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@foreachUp(f:BaseType=&gt;Unit):Unit" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#genCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="genCode(ctx:org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext):org.apache.spark.sql.catalyst.expressions.codegen.ExprCode"></a>
+      <a id="genCode(CodegenContext):ExprCode"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">genCode</span><span class="params">(<span name="ctx">ctx: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext">CodegenContext</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.codegen.ExprCode">ExprCode</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@genCode(ctx:org.apache.spark.sql.catalyst.expressions.codegen.CodegenContext):org.apache.spark.sql.catalyst.expressions.codegen.ExprCode" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#generateTreeString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="generateTreeString(depth:Int,lastChildren:Seq[Boolean],builder:StringBuilder,verbose:Boolean,prefix:String,addSuffix:Boolean):StringBuilder"></a>
+      <a id="generateTreeString(Int,Seq[Boolean],StringBuilder,Boolean,String,Boolean):StringBuilder"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">generateTreeString</span><span class="params">(<span name="depth">depth: <span class="extype" name="scala.Int">Int</span></span>, <span name="lastChildren">lastChildren: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="scala.Boolean">Boolean</span>]</span>, <span name="builder">builder: <span class="extype" name="scala.StringBuilder">StringBuilder</span></span>, <span name="verbose">verbose: <span class="extype" name="scala.Boolean">Boolean</span></span>, <span name="prefix">prefix: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="addSuffix">addSuffix: <span class="extype" name="scala.Boolean">Boolean</span></span>)</span><span class="result">: <span class="extype" name="scala.StringBuilder">StringBuilder</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@generateTreeString(depth:Int,lastChildren:Seq[Boolean],builder:StringBuilder,verbose:Boolean,prefix:String,addSuffix:Boolean):StringBuilder" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="scala.AnyRef#getClass" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="getClass():Class[_]"></a>
+      <a id="getClass():Class[_]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">getClass</span><span class="params">()</span><span class="result">: <span class="extype" name="java.lang.Class">Class</span>[_]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@getClass():Class[_]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#hashCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="hashCode():Int"></a>
+      <a id="hashCode():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">hashCode</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@hashCode():Int" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode → AnyRef → Any</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#initialValues" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="initialValues:Seq[org.apache.spark.sql.catalyst.expressions.Expression]"></a>
+      <a id="initialValues:Seq[Expression]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">initialValues</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@initialValues:Seq[org.apache.spark.sql.catalyst.expressions.Expression]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → DeclarativeAggregate</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#innerChildren" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="innerChildren:Seq[org.apache.spark.sql.catalyst.trees.TreeNode[_]]"></a>
+      <a id="innerChildren:Seq[TreeNode[_]]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">innerChildren</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode">TreeNode</span>[_]]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@innerChildren:Seq[org.apache.spark.sql.catalyst.trees.TreeNode[_]]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.aggregate.DeclarativeAggregate#inputAggBufferAttributes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="inputAggBufferAttributes:Seq[org.apache.spark.sql.catalyst.expressions.AttributeReference]"></a>
+      <a id="inputAggBufferAttributes:Seq[AttributeReference]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">inputAggBufferAttributes</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.AttributeReference">AttributeReference</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@inputAggBufferAttributes:Seq[org.apache.spark.sql.catalyst.expressions.AttributeReference]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>DeclarativeAggregate → AggregateFunction</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#inputTypes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="inputTypes:Seq[org.apache.spark.sql.types.AbstractDataType]"></a>
+      <a id="inputTypes:Seq[AbstractDataType]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">inputTypes</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.types.AbstractDataType">AbstractDataType</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@inputTypes:Seq[org.apache.spark.sql.types.AbstractDataType]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → ExpectsInputTypes</dd></dl></div>
+    </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="isInstanceOf[T0]:Boolean"></a>
+      <a id="isInstanceOf[T0]:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">isInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@isInstanceOf[T0]:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#jsonFields" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="jsonFields:List[org.json4s.JsonAST.JField]"></a>
+      <a id="jsonFields:List[JField]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">jsonFields</span><span class="result">: <span class="extype" name="scala.List">List</span>[<span class="extype" name="org.json4s.JsonAST.JField">JField</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@jsonFields:List[org.json4s.JsonAST.JField]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#makeCopy" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="makeCopy(newArgs:Array[AnyRef]):BaseType"></a>
+      <a id="makeCopy(Array[AnyRef]):Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">makeCopy</span><span class="params">(<span name="newArgs">newArgs: <span class="extype" name="scala.Array">Array</span>[<span class="extype" name="scala.AnyRef">AnyRef</span>]</span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@makeCopy(newArgs:Array[AnyRef]):BaseType" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#map" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="map[A](f:BaseType=&gt;A):Seq[A]"></a>
+      <a id="map[A]((Expression)⇒A):Seq[A]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">map</span><span class="tparams">[<span name="A">A</span>]</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.map.A">A</span></span>)</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.map.A">A</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@map[A](f:BaseType=&gt;A):Seq[A]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#mapChildren" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="mapChildren(f:BaseType=&gt;BaseType):BaseType"></a>
+      <a id="mapChildren((Expression)⇒Expression):Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">mapChildren</span><span class="params">(<span name="f">f: (<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>) ⇒ <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@mapChildren(f:BaseType=&gt;BaseType):BaseType" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#mapProductIterator" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="mapProductIterator[B](f:Any=&gt;B)(implicitevidence$1:scala.reflect.ClassTag[B]):Array[B]"></a>
+      <a id="mapProductIterator[B]((Any)⇒B)(ClassTag[B]):Array[B]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">mapProductIterator</span><span class="tparams">[<span name="B">B</span>]</span><span class="params">(<span name="f">f: (<span class="extype" name="scala.Any">Any</span>) ⇒ <span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.mapProductIterator.B">B</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="arg0">arg0: <span class="extype" name="scala.reflect.ClassTag">ClassTag</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.mapProductIterator.B">B</span>]</span>)</span><span class="result">: <span class="extype" name="scala.Array">Array</span>[<span class="extype" name="org.apache.spark.sql.catalyst.trees.TreeNode.mapProductIterator.B">B</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@mapProductIterator[B](f:Any=&gt;B)(implicitevidence$1:scala.reflect.ClassTag[B]):Array[B]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#mergeExpressions" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="mergeExpressions:Seq[org.apache.spark.sql.catalyst.expressions.Expression]"></a>
+      <a id="mergeExpressions:Seq[Expression]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">mergeExpressions</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@mergeExpressions:Seq[org.apache.spark.sql.catalyst.expressions.Expression]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → DeclarativeAggregate</dd></dl></div>
+    </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="ne(x$1:AnyRef):Boolean"></a>
+      <a id="ne(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">ne</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@ne(x$1:AnyRef):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#nodeName" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="nodeName:String"></a>
+      <a id="nodeName:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">nodeName</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@nodeName:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="notify():Unit"></a>
+      <a id="notify():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">notify</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@notify():Unit" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="notifyAll():Unit"></a>
+      <a id="notifyAll():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@notifyAll():Unit" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="org.apache.spark.sql.datafu.types.ExtramumValueByKey#nullable" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="nullable:Boolean"></a>
+      <a id="nullable:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">nullable</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@nullable:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="ExtramumValueByKey.html" class="extype" name="org.apache.spark.sql.datafu.types.ExtramumValueByKey">ExtramumValueByKey</a> → Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#numberedTreeString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="numberedTreeString:String"></a>
+      <a id="numberedTreeString:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">numberedTreeString</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@numberedTreeString:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#origin" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="origin:org.apache.spark.sql.catalyst.trees.Origin"></a>
+      <a id="origin:Origin"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">origin</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.trees.Origin">Origin</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@origin:org.apache.spark.sql.catalyst.trees.Origin" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#otherCopyArgs" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="otherCopyArgs:Seq[AnyRef]"></a>
+      <a id="otherCopyArgs:Seq[AnyRef]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">otherCopyArgs</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[<span class="extype" name="scala.AnyRef">AnyRef</span>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@otherCopyArgs:Seq[AnyRef]" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#p" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="p(number:Int):BaseType"></a>
+      <a id="p(Int):Expression"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">p</span><span class="params">(<span name="number">number: <span class="extype" name="scala.Int">Int</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@p(number:Int):BaseType" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.trees.TreeNode#prettyJson" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="prettyJson:String"></a>
+      <a id="prettyJson:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">prettyJson</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@prettyJson:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#prettyName" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="prettyName:String"></a>
+      <a id="prettyName:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">prettyName</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@prettyName:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#references" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="references:org.apache.spark.sql.catalyst.expressions.AttributeSet"></a>
+      <a id="references:AttributeSet"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">references</span><span class="result">: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.AttributeSet">AttributeSet</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@references:org.apache.spark.sql.catalyst.expressions.AttributeSet" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#resolved" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="resolved:Boolean"></a>
+      <a id="resolved:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">lazy val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">resolved</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@resolved:Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#semanticEquals" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="semanticEquals(other:org.apache.spark.sql.catalyst.expressions.Expression):Boolean"></a>
+      <a id="semanticEquals(Expression):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">semanticEquals</span><span class="params">(<span name="other">other: <span class="extype" name="org.apache.spark.sql.catalyst.expressions.Expression">Expression</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@semanticEquals(other:org.apache.spark.sql.catalyst.expressions.Expression):Boolean" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#semanticHash" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="semanticHash():Int"></a>
+      <a id="semanticHash():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">semanticHash</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@semanticHash():Int" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.Expression#simpleString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="simpleString:String"></a>
+      <a id="simpleString:String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">simpleString</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a href="../../../../../../index.html#org.apache.spark.sql.datafu.types.MaxValueByKey@simpleString:String" title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Expression → TreeNode</dd></dl></div>
+    </li><li name="org.apache.spark.sql.catalyst.expressions.aggregate.AggregateFunction#sql" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="sql(isDistinct:Boolean):String"></a>
+      <a id="sql(Boolean):String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">sql</span><span class="params">(<span name="isDistinct">isDistinct: <span class="extype" name="scala.Boolean">Boolean</span></span>)</span><span class="result">: <span class="extype" name="scala.Predef.String">String</span></span>
+      </span>
+      </h4><span class="permalink">

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