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apache / incubator-nemo-website / bab7a311362a3f2f26e9501f03a8b828ce926f79 / . / content / apidocs / org / apache / nemo / compiler / frontend / spark / sql / SparkSession.html
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<div class="subTitle">org.apache.nemo.compiler.frontend.spark.sql</div>
<h2 title="Class SparkSession" class="title">Class SparkSession</h2>
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<li>org.apache.spark.sql.SparkSession</li>
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<ul class="inheritance">
<li>org.apache.nemo.compiler.frontend.spark.sql.SparkSession</li>
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<pre>public final class <span class="typeNameLabel">SparkSession</span>
extends org.apache.spark.sql.SparkSession
implements <a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html" title="interface in org.apache.nemo.compiler.frontend.spark.sql">NemoSparkUserFacingClass</a></pre>
<div class="block">A simple version of the Spark session, containing SparkContext that contains SparkConf.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../serialized-form.html#org.apache.nemo.compiler.frontend.spark.sql.SparkSession">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.Builder.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession.Builder</a></span></code>
<div class="block">Spark Session Builder.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.spark.sql.SparkSession</h3>
<code>org.apache.spark.sql.SparkSession.implicits$</code></li>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#baseRelationToDataFrame-org.apache.spark.sql.sources.BaseRelation-">baseRelationToDataFrame</a></span>(org.apache.spark.sql.sources.BaseRelation&nbsp;baseRelation)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.Builder.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession.Builder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#builder--">builder</a></span>()</code>
<div class="block">Get a builder for the session.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-org.apache.spark.api.java.JavaRDD-java.lang.Class-">createDataFrame</a></span>(org.apache.spark.api.java.JavaRDD&lt;?&gt;&nbsp;rdd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-org.apache.spark.api.java.JavaRDD-org.apache.spark.sql.types.StructType-">createDataFrame</a></span>(org.apache.spark.api.java.JavaRDD&lt;org.apache.spark.sql.Row&gt;&nbsp;rowRDD,
org.apache.spark.sql.types.StructType&nbsp;schema)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-java.util.List-java.lang.Class-">createDataFrame</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;?&gt;&nbsp;data,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-java.util.List-org.apache.spark.sql.types.StructType-">createDataFrame</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;rows,
org.apache.spark.sql.types.StructType&nbsp;schema)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-org.apache.spark.rdd.RDD-java.lang.Class-">createDataFrame</a></span>(org.apache.spark.rdd.RDD&lt;?&gt;&nbsp;rdd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataFrame-org.apache.spark.rdd.RDD-org.apache.spark.sql.types.StructType-">createDataFrame</a></span>(org.apache.spark.rdd.RDD&lt;org.apache.spark.sql.Row&gt;&nbsp;rowRDD,
org.apache.spark.sql.types.StructType&nbsp;schema)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataset-java.util.List-org.apache.spark.sql.Encoder-">createDataset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataset-org.apache.spark.rdd.RDD-org.apache.spark.sql.Encoder-">createDataset</a></span>(org.apache.spark.rdd.RDD&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#createDataset-scala.collection.Seq-org.apache.spark.sql.Encoder-">createDataset</a></span>(scala.collection.Seq&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#emptyDataFrame--">emptyDataFrame</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#getDatasetCommandsList--">getDatasetCommandsList</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#getInitialConf--">getInitialConf</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#getIsUserTriggered--">getIsUserTriggered</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#initializeDataset-org.apache.nemo.compiler.frontend.spark.sql.SparkSession-java.util.LinkedHashMap-">initializeDataset</a></span>(<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession</a>&nbsp;spark,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&gt;&nbsp;commandList)</code>
<div class="block">Method to reproduce the initial Dataset on separate evaluators when reading from sources.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/DataFrameReader.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">DataFrameReader</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#read--">read</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#setIsUserTriggered-boolean-">setIsUserTriggered</a></span>(boolean&nbsp;isUserTriggered)</code>
<div class="block">Set the userTriggered flag.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#sparkSession--">sparkSession</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#sql-java.lang.String-">sql</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;sqlText)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html#table-java.lang.String-">table</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tableName)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.spark.sql.SparkSession</h3>
<code>applySchemaToPythonRDD, applySchemaToPythonRDD, catalog, clearActiveSession, clearDefaultSession, cloneSession, close, conf, createDataFrame, createDataFrame, createDataFrame, emptyDataset, experimental, extensions, getActiveSession, getDefaultSession, implicits, initializeLogIfNecessary, internalCreateDataFrame, isTraceEnabled, listenerManager, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning, newSession, org$apache$spark$internal$Logging$$log__$eq, org$apache$spark$internal$Logging$$log_, parseDataType, range, range, range, range, readStream, sessionState, setActiveSession, setDefaultSession, sharedState, sparkContext, sqlContext, stop, streams, table, time, udf, version</code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.nemo.compiler.frontend.spark.sql.<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html" title="interface in org.apache.nemo.compiler.frontend.spark.sql">NemoSparkUserFacingClass</a></h3>
<code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html#initializeFunction-java.lang.Object...-">initializeFunction</a></code></li>
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<a name="getIsUserTriggered--">
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<h4>getIsUserTriggered</h4>
<pre>public&nbsp;boolean&nbsp;getIsUserTriggered()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html#getIsUserTriggered--">getIsUserTriggered</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html" title="interface in org.apache.nemo.compiler.frontend.spark.sql">NemoSparkUserFacingClass</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the userTriggered flag.</dd>
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<pre>public&nbsp;void&nbsp;setIsUserTriggered(boolean&nbsp;isUserTriggered)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html#setIsUserTriggered-boolean-">NemoSparkUserFacingClass</a></code></span></div>
<div class="block">Set the userTriggered flag.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html#setIsUserTriggered-boolean-">setIsUserTriggered</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html" title="interface in org.apache.nemo.compiler.frontend.spark.sql">NemoSparkUserFacingClass</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>isUserTriggered</code> - boolean to set the flag to.</dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession</a>&nbsp;sparkSession()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html#sparkSession--">sparkSession</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/NemoSparkUserFacingClass.html" title="interface in org.apache.nemo.compiler.frontend.spark.sql">NemoSparkUserFacingClass</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the sparkSession of the instance.</dd>
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<h4>getDatasetCommandsList</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&gt;&nbsp;getDatasetCommandsList()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the commands list required to recreate the dataset on separate machines.</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getInitialConf()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the initial configuration of the session.</dd>
</dl>
</li>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;&nbsp;initializeDataset(<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession</a>&nbsp;spark,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&gt;&nbsp;commandList)
throws <a href="https://docs.oracle.com/javase/8/docs/api/javax/naming/OperationNotSupportedException.html?is-external=true" title="class or interface in javax.naming">OperationNotSupportedException</a></pre>
<div class="block">Method to reproduce the initial Dataset on separate evaluators when reading from sources.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - type of the resulting dataset's data.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>spark</code> - sparkSession to start from.</dd>
<dd><code>commandList</code> - commands required to setup the dataset.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the initialized dataset.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/javax/naming/OperationNotSupportedException.html?is-external=true" title="class or interface in javax.naming">OperationNotSupportedException</a></code> - exception when the command is not yet supported.</dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/DataFrameReader.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">DataFrameReader</a>&nbsp;read()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>read</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;baseRelationToDataFrame(org.apache.spark.sql.sources.BaseRelation&nbsp;baseRelation)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>baseRelationToDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(org.apache.spark.api.java.JavaRDD&lt;?&gt;&nbsp;rdd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(org.apache.spark.api.java.JavaRDD&lt;org.apache.spark.sql.Row&gt;&nbsp;rowRDD,
org.apache.spark.sql.types.StructType&nbsp;schema)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;?&gt;&nbsp;data,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;rows,
org.apache.spark.sql.types.StructType&nbsp;schema)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(org.apache.spark.rdd.RDD&lt;?&gt;&nbsp;rdd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;beanClass)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;createDataFrame(org.apache.spark.rdd.RDD&lt;org.apache.spark.sql.Row&gt;&nbsp;rowRDD,
org.apache.spark.sql.types.StructType&nbsp;schema)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;&nbsp;createDataset(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataset</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;&nbsp;createDataset(org.apache.spark.rdd.RDD&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataset</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;T&gt;&nbsp;createDataset(scala.collection.Seq&lt;T&gt;&nbsp;data,
org.apache.spark.sql.Encoder&lt;T&gt;&nbsp;evidence)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>createDataset</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;emptyDataFrame()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>emptyDataFrame</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<h4>sql</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;sql(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;sqlText)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>sql</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<h4>table</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/Dataset.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">Dataset</a>&lt;org.apache.spark.sql.Row&gt;&nbsp;table(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tableName)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>table</code>&nbsp;in class&nbsp;<code>org.apache.spark.sql.SparkSession</code></dd>
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<h4>builder</h4>
<pre>public static&nbsp;<a href="../../../../../../../org/apache/nemo/compiler/frontend/spark/sql/SparkSession.Builder.html" title="class in org.apache.nemo.compiler.frontend.spark.sql">SparkSession.Builder</a>&nbsp;builder()</pre>
<div class="block">Get a builder for the session.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the session builder.</dd>
</dl>
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