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| <div class="subTitle">edu.snu.coral.compiler.frontend.spark.sql</div> |
| <h2 title="Class Dataset" class="title">Class Dataset<T></h2> |
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| <pre>public final class <span class="typeNameLabel">Dataset<T></span> |
| extends org.apache.spark.sql.Dataset<T></pre> |
| <div class="block">A dataset component: it represents relational data.</div> |
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| <h3>Fields inherited from class org.apache.spark.sql.Dataset</h3> |
| <code>org$apache$spark$sql$Dataset$$encoder</code></li> |
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| <td class="colFirst"><code>static <U> <a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html" title="class in edu.snu.coral.compiler.frontend.spark.sql">Dataset</a><U></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html#from-org.apache.spark.sql.Dataset-">from</a></span>(org.apache.spark.sql.Dataset<U> dataset)</code> |
| <div class="block">Using the immutable property of datasets, we can downcast spark datasets to our class using this function.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/core/java/JavaRDD.html" title="class in edu.snu.coral.compiler.frontend.spark.core.java">JavaRDD</a><<a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html" title="type parameter in Dataset">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html#javaRDD--">javaRDD</a></span>()</code> |
| <div class="block">Create a javaRDD component from this data set.</div> |
| </td> |
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| <h3>Methods inherited from class org.apache.spark.sql.Dataset</h3> |
| <code>agg, agg, agg, agg, agg, alias, alias, apply, as, as, as, cache, checkpoint, checkpoint, coalesce, col, collect, collectAsList, collectToPython, columns, count, createGlobalTempView, createOrReplaceGlobalTempView, createOrReplaceTempView, createTempView, crossJoin, cube, cube, cube, cube, describe, describe, distinct, drop, drop, drop, drop, dropDuplicates, dropDuplicates, dropDuplicates, dropDuplicates, dropDuplicates, dtypes, except, explain, explain, explode, explode, exprEnc, filter, filter, filter, filter, first, flatMap, flatMap, foreach, foreach, foreachPartition, foreachPartition, groupBy, groupBy, groupBy, groupBy, groupByKey, groupByKey, head, head, hint, hint, inputFiles, intersect, isLocal, isStreaming, javaToPython, join, join, join, join, join, join, joinWith, joinWith, limit, logicalPlan, map, map, mapPartitions, mapPartitions, mapPartitionsInR, na, numericColumns, ofRows, orderBy, orderBy, orderBy, orderBy, org$apache$spark$sql$Dataset$$aggregatableColumns, org$apache$spark$sql$Dataset$$boundEnc, org$apache$spark$sql$Dataset$$classTag, org$apache$spark$sql$Dataset$$collectFromPlan, org$apache$spark$sql$Dataset$$createTempViewCommand, org$apache$spark$sql$Dataset$$rowFunction$1, org$apache$spark$sql$Dataset$$timeZone$1, org$apache$spark$sql$Dataset$$withPlan, persist, persist, printSchema, queryExecution, randomSplit, randomSplit, randomSplit, randomSplitAsList, rdd, reduce, reduce, registerTempTable, repartition, repartition, repartition, repartition, repartition, resolve, rollup, rollup, rollup, rollup, sample, sample, schema, select, select, select, select, select, select, select, select, select, selectExpr, selectExpr, selectUntyped, show, show, show, show, show, showString, showString$default$2, sort, sort, sort, sort, sortWithinPartitions, sortWithinPartitions, sortWithinPartitions, sortWithinPartitions, sparkSession, sqlContext, stat, storageLevel, take, takeAsList, toDF, toDF, toDF, toJavaRDD, toJSON, toLocalIterator, toPythonIterator, toString, transform, union, unionAll, unpersist, unpersist, where, where, withColumn, withColumn, withColumnRenamed, withWatermark, write, writeStream</code></li> |
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| <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#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>Method Detail</h3> |
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| <h4>from</h4> |
| <pre>public static <U> <a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html" title="class in edu.snu.coral.compiler.frontend.spark.sql">Dataset</a><U> from(org.apache.spark.sql.Dataset<U> dataset)</pre> |
| <div class="block">Using the immutable property of datasets, we can downcast spark datasets to our class using this function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>U</code> - type of the dataset.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataset</code> - the Spark dataset.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>our dataset class.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="javaRDD--"> |
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| <h4>javaRDD</h4> |
| <pre>public <a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/core/java/JavaRDD.html" title="class in edu.snu.coral.compiler.frontend.spark.core.java">JavaRDD</a><<a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html" title="type parameter in Dataset">T</a>> javaRDD()</pre> |
| <div class="block">Create a javaRDD component from this data set.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>javaRDD</code> in class <code>org.apache.spark.sql.Dataset<<a href="../../../../../../../edu/snu/coral/compiler/frontend/spark/sql/Dataset.html" title="type parameter in Dataset">T</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the new javaRDD component.</dd> |
| </dl> |
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