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svn commit: r1827525 [29/49] - in /datafu/site/docs: datafu/1.4.0/
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Added: datafu/site/docs/datafu/1.4.0/datafu/pig/util/SimpleEvalFunc.html
URL: http://svn.apache.org/viewvc/datafu/site/docs/datafu/1.4.0/datafu/pig/util/SimpleEvalFunc.html?rev=1827525&view=auto
==============================================================================
--- datafu/site/docs/datafu/1.4.0/datafu/pig/util/SimpleEvalFunc.html (added)
+++ datafu/site/docs/datafu/1.4.0/datafu/pig/util/SimpleEvalFunc.html Thu Mar 22 19:01:04 2018
@@ -0,0 +1,417 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Thu Mar 22 11:58:09 PDT 2018 -->
+<title>SimpleEvalFunc (datafu-pig 1.4.0 API)</title>
+<meta name="date" content="2018-03-22">
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+<li>Summary: </li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a> | </li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a> | </li>
+<li><a href="#constructor_summary">Constr</a> | </li>
+<li><a href="#method_summary">Method</a></li>
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+<ul class="subNavList">
+<li>Detail: </li>
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.util</div>
+<h2 title="Class SimpleEvalFunc" class="title">Class SimpleEvalFunc<T></h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc<T></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">datafu.pig.util.ContextualEvalFunc</a><T></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.util.SimpleEvalFunc<T></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>Direct Known Subclasses:</dt>
+<dd><a href="../../../datafu/pig/bags/AppendToBag.html" title="class in datafu.pig.bags">AppendToBag</a>, <a href="../../../datafu/pig/util/Base64Decode.html" title="class in datafu.pig.util">Base64Decode</a>, <a href="../../../datafu/pig/util/Base64Encode.html" title="class in datafu.pig.util">Base64Encode</a>, <a href="../../../datafu/pig/util/BoolToInt.html" title="class in datafu.pig.util">BoolToInt</a>, <a href="../../../datafu/pig/bags/FirstTupleFromBag.html" title="class in datafu.pig.bags">FirstTupleFromBag</a>, <a href="../../../datafu/pig/hash/Hasher.html" title="class in datafu.pig.hash">Hasher</a>, <a href="../../../datafu/pig/geo/HaversineDistInMiles.html" title="class in datafu.pig.geo">HaversineDistInMiles</a>, <a href="../../../datafu/pig/util/IntToBool.html" title="class in datafu.pig.util">IntToBool</a>, <a href="../../../datafu/pig/hash/MD5.html" title="class in datafu.pig.hash">MD5</a>, <a href="../../../datafu/pig/bags/PrependToBag.html" title="class in datafu.p
ig.bags">PrependToBag</a>, <a href="../../../datafu/pig/stats/Quantile.html" title="class in datafu.pig.stats">Quantile</a>, <a href="../../../datafu/pig/random/RandInt.html" title="class in datafu.pig.random">RandInt</a>, <a href="../../../datafu/pig/bags/ReverseEnumerate.html" title="class in datafu.pig.bags">ReverseEnumerate</a>, <a href="../../../datafu/pig/hash/SHA.html" title="class in datafu.pig.hash">SHA</a>, <a href="../../../datafu/pig/urls/UserAgentClassify.html" title="class in datafu.pig.urls">UserAgentClassify</a>, <a href="../../../datafu/pig/stats/WilsonBinConf.html" title="class in datafu.pig.stats">WilsonBinConf</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public abstract class <span class="strong">SimpleEvalFunc<T></span>
+extends <a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">ContextualEvalFunc</a><T></pre>
+<div class="block">Uses reflection to makes writing simple wrapper Pig UDFs easier.
+
+ For example, writing a simple string trimming UDF might look like
+ this:
+ <pre>
+ <code>public class TRIM extends EvalFunc<String>
+ {
+ public String exec(Tuple input) throws IOException
+ {
+ if (input.size() != 1)
+ throw new IllegalArgumentException("requires a parameter");
+
+ try {
+ Object o = input.get(0);
+ if (!(o instanceof String))
+ throw new IllegalArgumentException("expected a string");
+
+ String str = (String)o;
+ return (str == null) ? null : str.trim();
+ }
+ catch (Exception e) {
+ throw WrappedIOException.wrap("error...", e);
+ }
+ }
+ }
+ </code>
+ </pre>
+ There is a lot of boilerplate to check the number of arguments and
+ the parameter types in the tuple.
+
+ Instead, with this class, you can derive from SimpleEvalFunc and
+ create a <code>call()</code> method (not exec!), just specifying the
+ arguments as a regular function. The class handles all the argument
+ checking and exception wrapping for you. So your code would be:
+ <pre>
+ <code>public class TRIM2 extends SimpleEvalFunc<String>
+ {
+ public String call(String s)
+ {
+ return (s != null) ? s.trim() : null;
+ }
+ }
+ </code>
+ </pre>
+
+ An example of this UDF in action with Pig:
+ <pre>
+ <code>grunt> a = load 'test' as (x:chararray, y:chararray); dump a;
+ (1 , 2)
+
+ grunt> b = foreach a generate TRIM2(x); dump b;
+ (1)
+
+ grunt> c = foreach a generate TRIM2((int)x); dump c;
+ datafu.pig.util.TRIM2(java.lang.String): argument type
+ mismatch [#1]; expected java.lang.String, got java.lang.Integer
+
+ grunt> d = foreach a generate TRIM2(x, y); dump d;
+ datafu.pig.util.TRIM2(java.lang.String): got 2 arguments, expected 1.
+ </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 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 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"> </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/util/SimpleEvalFunc.html#SimpleEvalFunc()">SimpleEvalFunc</a></strong>()</code> </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"> </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><a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="type parameter in SimpleEvalFunc">T</a></code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/util/SimpleEvalFunc.html#exec(org.apache.pig.data.Tuple)">exec</a></strong>(org.apache.pig.data.Tuple input)</code> </td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>java.lang.reflect.Type</code></td>
+<td class="colLast"><code><strong><a href="../../../datafu/pig/util/SimpleEvalFunc.html#getReturnType()">getReturnType</a></strong>()</code> </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/util/SimpleEvalFunc.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema inputSchema)</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.ContextualEvalFunc">
+<!-- -->
+</a>
+<h3>Methods inherited from class 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#onReady(org.apache.pig.impl.logicalLayer.schema.Schema,%20org.apache.pig.impl.logicalLayer.schema.Schema)">onReady</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 org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, 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 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="SimpleEvalFunc()">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>SimpleEvalFunc</h4>
+<pre>public SimpleEvalFunc()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
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+<h3>Method Detail</h3>
+<a name="getReturnType()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getReturnType</h4>
+<pre>public java.lang.reflect.Type getReturnType()</pre>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>getReturnType</code> in class <code>org.apache.pig.EvalFunc<<a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="type parameter in SimpleEvalFunc">T</a>></code></dd>
+</dl>
+</li>
+</ul>
+<a name="exec(org.apache.pig.data.Tuple)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>exec</h4>
+<pre>public <a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="type parameter in SimpleEvalFunc">T</a> exec(org.apache.pig.data.Tuple input)
+ throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>exec</code> in class <code>org.apache.pig.EvalFunc<<a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="type parameter in SimpleEvalFunc">T</a>></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 org.apache.pig.impl.logicalLayer.schema.Schema outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema inputSchema)</pre>
+<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/ContextualEvalFunc.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></code> in class <code><a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">ContextualEvalFunc</a><<a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="type parameter in SimpleEvalFunc">T</a>></code></dd>
+<dt><span class="strong">Parameters:</span></dt><dd><code>inputSchema</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>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
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+<li>Summary: </li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a> | </li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a> | </li>
+<li><a href="#constructor_summary">Constr</a> | </li>
+<li><a href="#method_summary">Method</a></li>
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+<li>Detail: </li>
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Added: datafu/site/docs/datafu/1.4.0/datafu/pig/util/TransposeTupleToBag.html
URL: http://svn.apache.org/viewvc/datafu/site/docs/datafu/1.4.0/datafu/pig/util/TransposeTupleToBag.html?rev=1827525&view=auto
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--- datafu/site/docs/datafu/1.4.0/datafu/pig/util/TransposeTupleToBag.html (added)
+++ datafu/site/docs/datafu/1.4.0/datafu/pig/util/TransposeTupleToBag.html Thu Mar 22 19:01:04 2018
@@ -0,0 +1,363 @@
+<!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 Thu Mar 22 11:58:09 PDT 2018 -->
+<title>TransposeTupleToBag (datafu-pig 1.4.0 API)</title>
+<meta name="date" content="2018-03-22">
+<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="TransposeTupleToBag (datafu-pig 1.4.0 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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+<li><a href="../../../overview-summary.html">Overview</a></li>
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+<li class="navBarCell1Rev">Class</li>
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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>
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+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util"><span class="strong">Prev Class</span></a></li>
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+<li>Summary: </li>
+<li><a href="#nested_classes_inherited_from_class_org.apache.pig.EvalFunc">Nested</a> | </li>
+<li><a href="#fields_inherited_from_class_org.apache.pig.EvalFunc">Field</a> | </li>
+<li><a href="#constructor_summary">Constr</a> | </li>
+<li><a href="#method_summary">Method</a></li>
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+<!-- ========= END OF TOP NAVBAR ========= -->
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+<div class="header">
+<div class="subTitle">datafu.pig.util</div>
+<h2 title="Class TransposeTupleToBag" class="title">Class TransposeTupleToBag</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc<T></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">datafu.pig.util.ContextualEvalFunc</a><T></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../datafu/pig/util/AliasableEvalFunc.html" title="class in datafu.pig.util">datafu.pig.util.AliasableEvalFunc</a><org.apache.pig.data.DataBag></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.util.TransposeTupleToBag</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
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+<div class="description">
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+<br>
+<pre>public class <span class="strong">TransposeTupleToBag</span>
+extends <a href="../../../datafu/pig/util/AliasableEvalFunc.html" title="class in datafu.pig.util">AliasableEvalFunc</a><org.apache.pig.data.DataBag></pre>
+<div class="block">Performs a transpose on a tuple, resulting in a bag of key, value fields where
+ the key is the column name and the value is the value of that column in the tuple.
+
+ Example:
+ <pre>
+ <code>define TransposeTupleToBag datafu.pig.util.TransposeTupleToBag();
+
+ -- input: 1,10,11,12
+ input = LOAD 'input' AS (id:int,val1:int,val2:int,val3:int);
+
+ -- produces: 1,{("val1",10),("val2",11),("val3",12)}
+ output = FOREACH input GENERATE id, TransposeTupleToBag(val1 .. val3);
+
+ </code>
+ </pre></div>
+</li>
+</ul>
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+<h3>Nested classes/interfaces inherited from class org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
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+<h3>Fields inherited from class org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
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+<caption><span>Constructors</span><span class="tabEnd"> </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/util/TransposeTupleToBag.html#TransposeTupleToBag()">TransposeTupleToBag</a></strong>()</code> </td>
+</tr>
+</table>
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+<caption><span>Methods</span><span class="tabEnd"> </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/util/TransposeTupleToBag.html#exec(org.apache.pig.data.Tuple)">exec</a></strong>(org.apache.pig.data.Tuple input)</code> </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/util/TransposeTupleToBag.html#getOutputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">getOutputSchema</a></strong>(org.apache.pig.impl.logicalLayer.schema.Schema input)</code>
+<div class="block">Specify the output schema as in {link EvalFunc#outputSchema(Schema)}.</div>
+</td>
+</tr>
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+</a>
+<h3>Methods inherited from class datafu.pig.util.<a href="../../../datafu/pig/util/AliasableEvalFunc.html" title="class in datafu.pig.util">AliasableEvalFunc</a></h3>
+<code><a href="../../../datafu/pig/util/AliasableEvalFunc.html#getBag(org.apache.pig.data.Tuple,%20java.lang.String)">getBag</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getBoolean(org.apache.pig.data.Tuple,%20java.lang.String)">getBoolean</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getDouble(org.apache.pig.data.Tuple,%20java.lang.String)">getDouble</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getDouble(org.apache.pig.data.Tuple,%20java.lang.String,%20java.lang.Double)">getDouble</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getFieldAliases()">getFieldAliases</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getFloat(org.apache.pig.data.Tuple,%20java.lang.String)">getFloat</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getFloat(org.apache.pig.data.Tuple,%20java.lang.String,%20java.lang.Float)">getFloat</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getInteger(org.apache.pig.
data.Tuple,%20java.lang.String)">getInteger</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getInteger(org.apache.pig.data.Tuple,%20java.lang.String,%20java.lang.Integer)">getInteger</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getLong(org.apache.pig.data.Tuple,%20java.lang.String)">getLong</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getLong(org.apache.pig.data.Tuple,%20java.lang.String,%20java.lang.Long)">getLong</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getObject(org.apache.pig.data.Tuple,%20java.lang.String)">getObject</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getPosition(java.lang.String)">getPosition</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getPosition(java.lang.String,%20java.lang.String)">getPosition</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getPrefixedAliasName(java.lang.String,%20java.lang.String)">getPrefixedAliasName</a>, <a href="../../../data
fu/pig/util/AliasableEvalFunc.html#getString(org.apache.pig.data.Tuple,%20java.lang.String)">getString</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#getString(org.apache.pig.data.Tuple,%20java.lang.String,%20java.lang.String)">getString</a>, <a href="../../../datafu/pig/util/AliasableEvalFunc.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</a></code></li>
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+</a>
+<h3>Methods inherited from class 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#onReady(org.apache.pig.impl.logicalLayer.schema.Schema,%20org.apache.pig.impl.logicalLayer.schema.Schema)">onReady</a>, <a href="../../../datafu/pig/util/ContextualEvalFunc.html#setUDFContextSignature(java.lang.String)">setUDFContextSignature</a></code></li>
+</ul>
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+<!-- -->
+</a>
+<h3>Methods inherited from class 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>
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+<!-- -->
+</a>
+<h3>Methods inherited from class java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
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+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!-- -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="TransposeTupleToBag()">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>TransposeTupleToBag</h4>
+<pre>public TransposeTupleToBag()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
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+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getOutputSchema</h4>
+<pre>public org.apache.pig.impl.logicalLayer.schema.Schema getOutputSchema(org.apache.pig.impl.logicalLayer.schema.Schema input)</pre>
+<div class="block"><strong>Description copied from class: <code><a href="../../../datafu/pig/util/AliasableEvalFunc.html#getOutputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">AliasableEvalFunc</a></code></strong></div>
+<div class="block">Specify the output schema as in {link EvalFunc#outputSchema(Schema)}.</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a href="../../../datafu/pig/util/AliasableEvalFunc.html#getOutputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">getOutputSchema</a></code> in class <code><a href="../../../datafu/pig/util/AliasableEvalFunc.html" title="class in datafu.pig.util">AliasableEvalFunc</a><org.apache.pig.data.DataBag></code></dd>
+<dt><span class="strong">Parameters:</span></dt><dd><code>input</code> - input schema</dd>
+<dt><span class="strong">Returns:</span></dt><dd>outputSchema output schema</dd></dl>
+</li>
+</ul>
+<a name="exec(org.apache.pig.data.Tuple)">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>exec</h4>
+<pre>public org.apache.pig.data.DataBag exec(org.apache.pig.data.Tuple input)
+ throws java.io.IOException</pre>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code>exec</code> in class <code>org.apache.pig.EvalFunc<org.apache.pig.data.DataBag></code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
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+<!-- ========= END OF CLASS DATA ========= -->
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+++ datafu/site/docs/datafu/1.4.0/datafu/pig/util/TupleDiff.html Thu Mar 22 19:01:04 2018
@@ -0,0 +1,489 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.util</div>
+<h2 title="Class TupleDiff" class="title">Class TupleDiff</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc<java.lang.String></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.util.TupleDiff</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<hr>
+<br>
+<pre>public class <span class="strong">TupleDiff</span>
+extends org.apache.pig.EvalFunc<java.lang.String></pre>
+<div class="block">Gets a variable number of arguments - the old tuple, the new tuple, and a list of ignored fields
+
+ Values are compared by position (zero-based). If a schema exists, the field names will be used for descriptive purposes only.
+
+ If there are different field names, both will be used, with the format old/new. If there is no schema numbers will be used.
+
+ The list of ignored fields may be by number or by name. It is only checked at the topmost level. If you want to ignore a field
+ whose name has changed you can use the format oldname/newname, and it will be ignored. To ignore a new field, for example
+ you would use null/newFieldName
+
+ The following chart shows some sample results. Assume the schema has field names like f0, f1 f2 ... for fields 0, 1, 2, etc.
+
+ Tuple Result Without Schema Result with Schema
+ ------ ---------------------- ------------------
+ ((0),) missing missing
+ (,(0)) added added
+ ((0),(0))
+ ((0),(1)) changed 0 changed f0
+ ((0,1),(0,2)) changed 1 changed f1
+ ((0,1),(0,2),1)
+ ((0,1),(0)) changed 1 changed f1/null
+ ((0),(0,1)) changed 1 changed null/f1
+ ((0),(0,1),1)
+ ((0,1),(2,3)) changed 0 1 changed f0 f1
+
+ The following macro may be useful in calling this UDF if you have only one join field and up to one ignored field:
+
+ DEFINE diff_macro(diff_macro_old, diff_macro_new, diff_macro_pk, diff_macro_ignored_field) returns diff_macro_diffs
+ {
+ DEFINE TupleDiff datafu.pig.util.TupleDiff;
+
+ old = FOREACH $diff_macro_old GENERATE $diff_macro_pk, TOTUPLE(*) AS original;
+ new = FOREACH $diff_macro_new GENERATE $diff_macro_pk, TOTUPLE(*) AS original;
+
+ join_data = JOIN new BY $diff_macro_pk full, old BY $diff_macro_pk;
+
+ join_data = FOREACH join_data GENERATE TupleDiff(old::original, new::original, '$diff_macro_ignored_field') AS tupleDiff, old::original, new::original;
+
+ $diff_macro_diffs = FILTER join_data BY tupleDiff IS NOT NULL ;
+ };</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+</a>
+<h3>Nested Class Summary</h3>
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+<!-- -->
+</a>
+<h3>Nested classes/interfaces inherited from class org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
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+<!-- -->
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+<h3>Field Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
+<caption><span>Fields</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>java.lang.String</code></td>
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+<li><a href="FieldNotFound.html" title="class in datafu.pig.util" target="classFrame">FieldNotFound</a></li>
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Added: datafu/site/docs/datafu/1.4.0/datafu/pig/util/package-summary.html
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+<!-- ========= START OF TOP NAVBAR ======= -->
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+<li class="navBarCell1Rev">Package</li>
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+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
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+<div class="header">
+<h1 title="Package" class="title">Package datafu.pig.util</h1>
+<div class="docSummary">
+<div class="block">Other useful utilities.</div>
+</div>
+<p>See: <a href="#package_description">Description</a></p>
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+<tr>
+<th class="colFirst" scope="col">Class</th>
+<th class="colLast" scope="col">Description</th>
+</tr>
+<tbody>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/AliasableEvalFunc.html" title="class in datafu.pig.util">AliasableEvalFunc</a><T></td>
+<td class="colLast">
+<div class="block">Makes implementing and using UDFs easier by enabling named parameters.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/Assert.html" title="class in datafu.pig.util">Assert</a></td>
+<td class="colLast">Deprecated
+<div class="block"><i>Use <a href="../../../datafu/pig/util/AssertUDF.html" title="class in datafu.pig.util"><code>AssertUDF</code></a> instead.</i></div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/AssertUDF.html" title="class in datafu.pig.util">AssertUDF</a></td>
+<td class="colLast">
+<div class="block">Filter function which asserts that a value is true.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/Base64Decode.html" title="class in datafu.pig.util">Base64Decode</a></td>
+<td class="colLast">
+<div class="block">Decodes the chararray given from Base64</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/Base64Encode.html" title="class in datafu.pig.util">Base64Encode</a></td>
+<td class="colLast">
+<div class="block">Encodes the chararray given in Base64</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/BoolToInt.html" title="class in datafu.pig.util">BoolToInt</a></td>
+<td class="colLast">
+<div class="block">UDF which converts a Boolean to an Integer.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/Coalesce.html" title="class in datafu.pig.util">Coalesce</a></td>
+<td class="colLast">
+<div class="block">Returns the first non-null value from a tuple, just like <a href="http://msdn.microsoft.com/en-us/library/ms190349.aspx" target="_blank">COALESCE</a> in SQL.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util">ContextualEvalFunc</a><T></td>
+<td class="colLast">
+<div class="block">An abstract class which enables UDFs to store instance properties
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+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/In.html" title="class in datafu.pig.util">In</a></td>
+<td class="colLast">Deprecated
+<div class="block"><i>Use <a href="../../../datafu/pig/util/InUDF.html" title="class in datafu.pig.util"><code>InUDF</code></a> instead.</i></div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/IntToBool.html" title="class in datafu.pig.util">IntToBool</a></td>
+<td class="colLast">
+<div class="block">UDF which converts an Integer to a Boolean.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/InUDF.html" title="class in datafu.pig.util">InUDF</a></td>
+<td class="colLast">
+<div class="block">Similar to the SQL IN function, this function provides a convenient way to filter
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+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/SelectStringFieldByName.html" title="class in datafu.pig.util">SelectStringFieldByName</a></td>
+<td class="colLast">
+<div class="block">Selects the value for a field within a tuple using that field's name.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util">SimpleEvalFunc</a><T></td>
+<td class="colLast">
+<div class="block">Uses reflection to makes writing simple wrapper Pig UDFs easier.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/TransposeTupleToBag.html" title="class in datafu.pig.util">TransposeTupleToBag</a></td>
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+<div class="block">Performs a transpose on a tuple, resulting in a bag of key, value fields where
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+<tr class="altColor">
+<td class="colFirst"><a href="../../../datafu/pig/util/TupleDiff.html" title="class in datafu.pig.util">TupleDiff</a></td>
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+<div class="block">Gets a variable number of arguments - the old tuple, the new tuple, and a list of ignored fields
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+<td class="colFirst"><a href="../../../datafu/pig/util/DataFuException.html" title="class in datafu.pig.util">DataFuException</a></td>
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+<td class="colFirst"><a href="../../../datafu/pig/util/FieldNotFound.html" title="class in datafu.pig.util">FieldNotFound</a></td>
+<td class="colLast">
+<div class="block">Thrown by {see AliasableEvalFunc} when attempting to access an unknown field by name.</div>
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+</tbody>
+</table>
+</li>
+</ul>
+<a name="package_description">
+<!-- -->
+</a>
+<h2 title="Package datafu.pig.util Description">Package datafu.pig.util Description</h2>
+<div class="block">Other useful utilities.</div>
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--- datafu/site/docs/datafu/1.4.0/datafu/pig/util/package-tree.html (added)
+++ datafu/site/docs/datafu/1.4.0/datafu/pig/util/package-tree.html Thu Mar 22 19:01:04 2018
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+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Thu Mar 22 11:58:10 PDT 2018 -->
+<title>datafu.pig.util Class Hierarchy (datafu-pig 1.4.0 API)</title>
+<meta name="date" content="2018-03-22">
+<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
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+ if (location.href.indexOf('is-external=true') == -1) {
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+<div class="header">
+<h1 class="title">Hierarchy For Package datafu.pig.util</h1>
+<span class="strong">Package Hierarchies:</span>
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+<li><a href="../../../overview-tree.html">All Packages</a></li>
+</ul>
+</div>
+<div class="contentContainer">
+<h2 title="Class Hierarchy">Class Hierarchy</h2>
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+<li type="circle">java.lang.Object
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+<li type="circle">org.apache.pig.EvalFunc<T>
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+<li type="circle">datafu.pig.util.<a href="../../../datafu/pig/util/ContextualEvalFunc.html" title="class in datafu.pig.util"><span class="strong">ContextualEvalFunc</span></a><T>
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+</li>
+<li type="circle">datafu.pig.util.<a href="../../../datafu/pig/util/SimpleEvalFunc.html" title="class in datafu.pig.util"><span class="strong">SimpleEvalFunc</span></a><T>
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+<li type="circle">datafu.pig.util.<a href="../../../datafu/pig/util/FieldNotFound.html" title="class in datafu.pig.util"><span class="strong">FieldNotFound</span></a></li>
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+<li type="circle">datafu.pig.util.<a href="../../../datafu/pig/util/DataFuException.html" title="class in datafu.pig.util"><span class="strong">DataFuException</span></a></li>
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@@ -0,0 +1,172 @@
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+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_79) on Thu Mar 22 11:58:10 PDT 2018 -->
+<title>Deprecated List (datafu-pig 1.4.0 API)</title>
+<meta name="date" content="2018-03-22">
+<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="Deprecated List (datafu-pig 1.4.0 API)";
+ }
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+<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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+<li>Package</li>
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+<li class="navBarCell1Rev">Deprecated</li>
+<li><a href="index-all.html">Index</a></li>
+<li><a href="help-doc.html">Help</a></li>
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<div class="header">
+<h1 title="Deprecated API" class="title">Deprecated API</h1>
+<h2 title="Contents">Contents</h2>
+<ul>
+<li><a href="#class">Deprecated Classes</a></li>
+<li><a href="#constructor">Deprecated Constructors</a></li>
+</ul>
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+<div class="contentContainer"><a name="class">
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+<ul class="blockList">
+<li class="blockList">
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+<caption><span>Deprecated Classes</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colOne" scope="col">Class and Description</th>
+</tr>
+<tbody>
+<tr class="altColor">
+<td class="colOne"><a href="datafu/pig/util/Assert.html" title="class in datafu.pig.util">datafu.pig.util.Assert</a>
+<div class="block"><i>Use <a href="datafu/pig/util/AssertUDF.html" title="class in datafu.pig.util"><code>AssertUDF</code></a> instead.</i></div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><a href="datafu/pig/util/In.html" title="class in datafu.pig.util">datafu.pig.util.In</a>
+<div class="block"><i>Use <a href="datafu/pig/util/InUDF.html" title="class in datafu.pig.util"><code>InUDF</code></a> instead.</i></div>
+</td>
+</tr>
+</tbody>
+</table>
+</li>
+</ul>
+<a name="constructor">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<table border="0" cellpadding="3" cellspacing="0" summary="Deprecated Constructors table, listing deprecated constructors, and an explanation">
+<caption><span>Deprecated Constructors</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tbody>
+<tr class="altColor">
+<td class="colOne"><a href="datafu/pig/sampling/SimpleRandomSample.Final.html#SimpleRandomSample.Final(java.lang.String)">datafu.pig.sampling.SimpleRandomSample.Final(String)</a></td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><a href="datafu/pig/sampling/SimpleRandomSample.Initial.html#SimpleRandomSample.Initial(java.lang.String)">datafu.pig.sampling.SimpleRandomSample.Initial(String)</a></td>
+</tr>
+<tr class="altColor">
+<td class="colOne"><a href="datafu/pig/sampling/SimpleRandomSample.Intermediate.html#SimpleRandomSample.Intermediate(java.lang.String)">datafu.pig.sampling.SimpleRandomSample.Intermediate(String)</a></td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><a href="datafu/pig/sampling/SimpleRandomSample.html#SimpleRandomSample(java.lang.String)">datafu.pig.sampling.SimpleRandomSample(String)</a>
+<div class="block"><i>Should specify the sampling probability in the function call.</i></div>
+</td>
+</tr>
+</tbody>
+</table>
+</li>
+</ul>
+</div>
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
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+<li class="navBarCell1Rev">Deprecated</li>
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