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Posted to commits@datafu.apache.org by mh...@apache.org on 2016/08/10 22:07:31 UTC

svn commit: r1755883 [4/49] - in /incubator/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/ blog/2016/08/ blog/2016/08/10/ community/ docs/ docs/datafu/ docs/datafu/...

Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/CountEach.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/CountEach.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/CountEach.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/CountEach.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,407 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>CountEach (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="CountEach (datafu-pig 1.3.1 API)";
+    }
+//-->
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar_top">
+<!--   -->
+</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/CountDistinctUpTo.Intermediate.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/DistinctBy.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
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+<li><a href="CountEach.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_top">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_top");
+  if(window==top) {
+    allClassesLink.style.display = "block";
+  }
+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class CountEach" class="title">Class CountEach</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.CountEach</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">CountEach</span>
+extends org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">Generates a count of the number of times each distinct tuple appears in a bag.
+
+ Example:
+ <pre>
+ <code>DEFINE CountEach datafu.pig.bags.CountEach();
+ DEFINE CountEachFlatten datafu.pig.bags.CountEach('flatten');
+ 
+ -- input: 
+ -- ({(A),(A),(C),(B)})
+ input = LOAD 'input' AS (B: bag {T: tuple(alpha:CHARARRAY, numeric:INT)});
+ 
+ -- output: 
+ -- {((A),2),((C),1),((B),1)}
+ output = FOREACH input GENERATE CountEach(B); 
+ 
+ -- output_flatten: 
+ -- ({(A,2),(C,1),(B,1)})
+ output_flatten = FOREACH input GENERATE CountEachFlatten(B);
+ </code> 
+ </pre></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="nested_class_summary">
+<!--   -->
+</a>
+<h3>Nested Class Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="nested_classes_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field_summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="fields_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#CountEach()">CountEach</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#CountEach(java.lang.String)">CountEach</a></strong>(java.lang.String&nbsp;arg)</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#accumulate(org.apache.pig.data.Tuple)">accumulate</a></strong>(org.apache.pig.data.Tuple&nbsp;input)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#cleanup()">cleanup</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#getValue()">getValue</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/CountEach.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>&nbsp;</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.AccumulatorEvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.AccumulatorEvalFunc</h3>
+<code>exec</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="CountEach()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>CountEach</h4>
+<pre>public&nbsp;CountEach()</pre>
+</li>
+</ul>
+<a name="CountEach(java.lang.String)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>CountEach</h4>
+<pre>public&nbsp;CountEach(java.lang.String&nbsp;arg)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="accumulate(org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>accumulate</h4>
+<pre>public&nbsp;void&nbsp;accumulate(org.apache.pig.data.Tuple&nbsp;input)
+                throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="getValue()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getValue</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;getValue()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="cleanup()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>cleanup</h4>
+<pre>public&nbsp;void&nbsp;cleanup()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!--   -->
+</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
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+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/CountDistinctUpTo.Intermediate.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/DistinctBy.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/CountEach.html" target="_top">Frames</a></li>
+<li><a href="CountEach.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_bottom">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_bottom");
+  if(window==top) {
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+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_bottom">
+<!--   -->
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
+</body>
+</html>

Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/DistinctBy.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/DistinctBy.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/DistinctBy.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/DistinctBy.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,397 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>DistinctBy (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="DistinctBy (datafu-pig 1.3.1 API)";
+    }
+//-->
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar_top">
+<!--   -->
+</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/CountEach.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/EmptyBagToNull.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/DistinctBy.html" target="_top">Frames</a></li>
+<li><a href="DistinctBy.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_top">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_top");
+  if(window==top) {
+    allClassesLink.style.display = "block";
+  }
+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class DistinctBy" class="title">Class DistinctBy</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.DistinctBy</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">DistinctBy</span>
+extends org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">Get distinct elements in a bag by a given set of field positions.
+ The input and output schemas will be identical.  
+ 
+ The first tuple containing each distinct combination of these fields will be taken.
+ 
+ This operation is order preserving.  If both A and B appear in the output,
+ and A appears before B in the input, then A will appear before B in the output.
+ 
+ Example:
+ <pre>
+ <code>define DistinctBy datafu.pig.bags.DistinctBy('0');
+ 
+ -- input:
+ -- ({(a, 1),(a,1),(b, 2),(b,22),(c, 3),(d, 4)})
+ input = LOAD 'input' AS (B: bag {T: tuple(alpha:CHARARRAY, numeric:INT)});
+ 
+ output = FOREACH input GENERATE DistinctBy(B);
+ 
+ -- output:
+ -- ({(a,1),(b,2),(c,3),(d,4)})
+ </code> 
+ </pre></div>
+</li>
+</ul>
+</div>
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+</a>
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+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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+</a>
+<h3>Constructor Summary</h3>
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+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/DistinctBy.html#DistinctBy(java.lang.String...)">DistinctBy</a></strong>(java.lang.String...&nbsp;fields)</code>&nbsp;</td>
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+<h3>Method Summary</h3>
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+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/DistinctBy.html#accumulate(org.apache.pig.data.Tuple)">accumulate</a></strong>(org.apache.pig.data.Tuple&nbsp;input)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/DistinctBy.html#cleanup()">cleanup</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/DistinctBy.html#getValue()">getValue</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/DistinctBy.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>&nbsp;</td>
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+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="DistinctBy(java.lang.String...)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>DistinctBy</h4>
+<pre>public&nbsp;DistinctBy(java.lang.String...&nbsp;fields)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="accumulate(org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>accumulate</h4>
+<pre>public&nbsp;void&nbsp;accumulate(org.apache.pig.data.Tuple&nbsp;input)
+                throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="cleanup()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>cleanup</h4>
+<pre>public&nbsp;void&nbsp;cleanup()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="getValue()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getValue</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;getValue()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!--   -->
+</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/CountEach.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/EmptyBagToNull.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/DistinctBy.html" target="_top">Frames</a></li>
+<li><a href="DistinctBy.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_bottom">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_bottom");
+  if(window==top) {
+    allClassesLink.style.display = "block";
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+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
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+</div>
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+<!--   -->
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
+</body>
+</html>

Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNull.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNull.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNull.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNull.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,321 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>EmptyBagToNull (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="EmptyBagToNull (datafu-pig 1.3.1 API)";
+    }
+//-->
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar_top">
+<!--   -->
+</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/DistinctBy.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/EmptyBagToNull.html" target="_top">Frames</a></li>
+<li><a href="EmptyBagToNull.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_top">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_top");
+  if(window==top) {
+    allClassesLink.style.display = "block";
+  }
+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class EmptyBagToNull" class="title">Class EmptyBagToNull</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.EmptyBagToNull</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<hr>
+<br>
+<pre>public class <span class="strong">EmptyBagToNull</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">Returns null if the input is an empty bag; otherwise,
+ returns the input bag unchanged.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="nested_class_summary">
+<!--   -->
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+<h3>Nested Class Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="nested_classes_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
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+</a>
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+<ul class="blockList">
+<li class="blockList"><a name="fields_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
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+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNull.html#EmptyBagToNull()">EmptyBagToNull</a></strong>()</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
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+<li class="blockList"><a name="method_summary">
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+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNull.html#exec(org.apache.pig.data.Tuple)">exec</a></strong>(org.apache.pig.data.Tuple&nbsp;tuple)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNull.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>&nbsp;</td>
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+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="EmptyBagToNull()">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>EmptyBagToNull</h4>
+<pre>public&nbsp;EmptyBagToNull()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="exec(org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>exec</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;exec(org.apache.pig.data.Tuple&nbsp;tuple)
+                                 throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>exec</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!--   -->
+</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
+<!--   -->
+</a>
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+<li><a href="../../../overview-summary.html">Overview</a></li>
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Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNullFields.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNullFields.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNullFields.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/EmptyBagToNullFields.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,338 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>EmptyBagToNullFields (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="EmptyBagToNullFields (datafu-pig 1.3.1 API)";
+    }
+//-->
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar_top">
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+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class EmptyBagToNullFields" class="title">Class EmptyBagToNullFields</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">datafu.pig.util.ContextualEvalFunc</a>&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.EmptyBagToNullFields</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<hr>
+<br>
+<pre>public class <span class="strong">EmptyBagToNullFields</span>
+extends <a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">ContextualEvalFunc</a>&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">For an empty bag, inserts a tuple having null values for all fields; 
+ otherwise, the input bag is returned unchanged.
+ 
+ <p>
+ This can be useful when performing FLATTEN on a bag from a COGROUP,
+ as FLATTEN on an empty bag produces no data.
+ </p></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+<!--   -->
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+<h3>Nested Class Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="nested_classes_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field_summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="fields_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html#EmptyBagToNullFields()">EmptyBagToNullFields</a></strong>()</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html#exec(org.apache.pig.data.Tuple)">exec</a></strong>(org.apache.pig.data.Tuple&nbsp;tuple)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>&nbsp;</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_datafu.pig.util.ContextualEvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.util.<a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">ContextualEvalFunc</a></h3>
+<code><a href="../../../datafu/pig/util/ContextualEvalFunc.html#getContextProperties()">getContextProperties</a>, <a href="../../../datafu/pig/util/ContextualEvalFunc.html#getInstanceName()">getInstanceName</a>, <a href="../../../datafu/pig/util/ContextualEvalFunc.html#getInstanceProperties()">getInstanceProperties</a>, <a href="../../../datafu/pig/util/ContextualEvalFunc.html#setUDFContextSignature(java.lang.String)">setUDFContextSignature</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, warn</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="EmptyBagToNullFields()">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>EmptyBagToNullFields</h4>
+<pre>public&nbsp;EmptyBagToNullFields()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="exec(org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>exec</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;exec(org.apache.pig.data.Tuple&nbsp;tuple)
+                                 throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>exec</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!--   -->
+</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/EmptyBagToNull.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/Enumerate.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/EmptyBagToNullFields.html" target="_top">Frames</a></li>
+<li><a href="EmptyBagToNullFields.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_bottom">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
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+  }
+  //-->
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+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
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Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/Enumerate.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/Enumerate.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/Enumerate.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/Enumerate.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,412 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>Enumerate (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="Enumerate (datafu-pig 1.3.1 API)";
+    }
+//-->
+</script>
+<noscript>
+<div>JavaScript is disabled on your browser.</div>
+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
+<div class="topNav"><a name="navbar_top">
+<!--   -->
+</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../datafu/pig/bags/FirstTupleFromBag.html" title="class in datafu.pig.bags"><span class="strong">Next Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../index.html?datafu/pig/bags/Enumerate.html" target="_top">Frames</a></li>
+<li><a href="Enumerate.html" target="_top">No Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_top">
+<li><a href="../../../allclasses-noframe.html">All Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_top");
+  if(window==top) {
+    allClassesLink.style.display = "block";
+  }
+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class Enumerate" class="title">Class Enumerate</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.Enumerate</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">Enumerate</span>
+extends org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">Enumerate a bag, appending to each tuple its index within the bag.
+
+ For example:
+ <pre>
+   {(A),(B),(C),(D)} =&gt; {(A,0),(B,1),(C,2),(D,3)}
+ </pre>
+
+ <p>
+ The first constructor parameter (optional) dictates the starting index of the counting.
+ This UDF implements the accumulator interface, reducing DataBag materialization costs.
+ </p>
+
+ Example:
+ <pre>
+ <code>define Enumerate datafu.pig.bags.Enumerate('1');
+
+ -- input:
+ -- ({(100),(200),(300),(400)})
+ input = LOAD 'input' as (B: bag{T: tuple(v2:INT)});
+
+ -- output:
+ -- ({(100,1),(200,2),(300,3),(400,4)})
+ output = FOREACH input GENERATE Enumerate(B);
+ </code>
+ </pre></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
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+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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+<li class="blockList"><a name="constructor_summary">
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+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#Enumerate()">Enumerate</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#Enumerate(java.lang.String)">Enumerate</a></strong>(java.lang.String&nbsp;start)</code>&nbsp;</td>
+</tr>
+</table>
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+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#accumulate(org.apache.pig.data.Tuple)">accumulate</a></strong>(org.apache.pig.data.Tuple&nbsp;arg0)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#cleanup()">cleanup</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#getValue()">getValue</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/Enumerate.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>&nbsp;</td>
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+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.AccumulatorEvalFunc">
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+<code>exec</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="Enumerate()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>Enumerate</h4>
+<pre>public&nbsp;Enumerate()</pre>
+</li>
+</ul>
+<a name="Enumerate(java.lang.String)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>Enumerate</h4>
+<pre>public&nbsp;Enumerate(java.lang.String&nbsp;start)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="accumulate(org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>accumulate</h4>
+<pre>public&nbsp;void&nbsp;accumulate(org.apache.pig.data.Tuple&nbsp;arg0)
+                throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="cleanup()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>cleanup</h4>
+<pre>public&nbsp;void&nbsp;cleanup()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="getValue()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getValue</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;getValue()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in class&nbsp;<code>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
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+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!--   -->
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+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/EmptyBagToNullFields.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
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Added: incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/FirstTupleFromBag.html
URL: http://svn.apache.org/viewvc/incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/FirstTupleFromBag.html?rev=1755883&view=auto
==============================================================================
--- incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/FirstTupleFromBag.html (added)
+++ incubator/datafu/site/docs/datafu/1.3.1/datafu/pig/bags/FirstTupleFromBag.html Wed Aug 10 22:07:27 2016
@@ -0,0 +1,409 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Wed Aug 10 15:01:02 PDT 2016 -->
+<title>FirstTupleFromBag (datafu-pig 1.3.1 API)</title>
+<meta name="date" content="2016-08-10">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
+</head>
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+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
+        parent.document.title="FirstTupleFromBag (datafu-pig 1.3.1 API)";
+    }
+//-->
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+<div>JavaScript is disabled on your browser.</div>
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+<!-- ========= START OF TOP NAVBAR ======= -->
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+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../index-all.html">Index</a></li>
+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/bags/Enumerate.html" title="class in datafu.pig.bags"><span class="strong">Prev Class</span></a></li>
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+</ul>
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+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor_summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor_detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
+<a name="skip-navbar_top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.bags</div>
+<h2 title="Class FirstTupleFromBag" class="title">Class FirstTupleFromBag</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util">datafu.pig.util.SimpleEvalFunc</a>&lt;org.apache.pig.data.Tuple&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.bags.FirstTupleFromBag</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">FirstTupleFromBag</span>
+extends <a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util">SimpleEvalFunc</a>&lt;org.apache.pig.data.Tuple&gt;
+implements org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;</pre>
+<div class="block">Returns the first tuple from a bag. Requires a second parameter that will be returned if the bag is empty.
+
+ Example:
+ <pre>
+ <code>define FirstTupleFromBag datafu.pig.bags.FirstTupleFromBag();
+
+ -- input:
+ -- ({(a,1)})
+ input = LOAD 'input' AS (B: bag {T: tuple(alpha:CHARARRAY, numeric:INT)});
+
+ output = FOREACH input GENERATE FirstTupleFromBag(B, null);
+
+ -- output:
+ -- (a,1)
+ </code>
+ </pre></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
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+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field_summary">
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+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#FirstTupleFromBag()">FirstTupleFromBag</a></strong>()</code>&nbsp;</td>
+</tr>
+</table>
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+</ul>
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+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#accumulate(org.apache.pig.data.Tuple)">accumulate</a></strong>(org.apache.pig.data.Tuple&nbsp;tuple)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.data.Tuple</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#call(org.apache.pig.data.DataBag,%20org.apache.pig.data.Tuple)">call</a></strong>(org.apache.pig.data.DataBag&nbsp;bag,
+    org.apache.pig.data.Tuple&nbsp;defaultValue)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#cleanup()">cleanup</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>org.apache.pig.data.Tuple</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#getValue()">getValue</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/bags/FirstTupleFromBag.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>
+<div class="block">Override outputSchema so we can verify the input schema at pig compile time, instead of runtime</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_datafu.pig.util.SimpleEvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.util.<a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util">SimpleEvalFunc</a></h3>
+<code><a href="../../../datafu/pig/util/SimpleEvalFunc.html#exec(org.apache.pig.data.Tuple)">exec</a>, <a href="../../../datafu/pig/util/SimpleEvalFunc.html#getReturnType()">getReturnType</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
+</ul>
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+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
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+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="FirstTupleFromBag()">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>FirstTupleFromBag</h4>
+<pre>public&nbsp;FirstTupleFromBag()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
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+<li class="blockList"><a name="method_detail">
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+</a>
+<h3>Method Detail</h3>
+<a name="accumulate(org.apache.pig.data.Tuple)">
+<!--   -->
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+<ul class="blockList">
+<li class="blockList">
+<h4>accumulate</h4>
+<pre>public&nbsp;void&nbsp;accumulate(org.apache.pig.data.Tuple&nbsp;tuple)
+                throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>accumulate</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="cleanup()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>cleanup</h4>
+<pre>public&nbsp;void&nbsp;cleanup()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>cleanup</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="getValue()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getValue</h4>
+<pre>public&nbsp;org.apache.pig.data.Tuple&nbsp;getValue()</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>getValue</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Accumulator&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="call(org.apache.pig.data.DataBag, org.apache.pig.data.Tuple)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>call</h4>
+<pre>public&nbsp;org.apache.pig.data.Tuple&nbsp;call(org.apache.pig.data.DataBag&nbsp;bag,
+                             org.apache.pig.data.Tuple&nbsp;defaultValue)
+                               throws java.io.IOException</pre>
+<dl><dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+<a name="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<div class="block"><strong>Description copied from class:&nbsp;<code><a href="../../../datafu/pig/util/SimpleEvalFunc.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">SimpleEvalFunc</a></code></strong></div>
+<div class="block">Override outputSchema so we can verify the input schema at pig compile time, instead of runtime</div>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code><a href="../../../datafu/pig/util/SimpleEvalFunc.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></code>&nbsp;in class&nbsp;<code><a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util">SimpleEvalFunc</a>&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+<dt><span class="strong">Parameters:</span></dt><dd><code>input</code> - input schema</dd>
+<dt><span class="strong">Returns:</span></dt><dd>call to super.outputSchema in case schema was defined elsewhere</dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
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