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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.spark</a></div> |
| <h2 title="Class SparkRuntime" class="title">Class SparkRuntime</h2> |
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| <pre>public abstract class <span class="typeNameLabel">SparkRuntime</span> |
| extends java.lang.Object</pre> |
| <div class="block">Runtime utilities for Calcite's Spark adapter. Generated code calls these |
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| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SparkRuntime.CalciteFlatMapFunction.html" title="class in org.apache.calcite.adapter.spark">SparkRuntime.CalciteFlatMapFunction</a><<a href="SparkRuntime.CalciteFlatMapFunction.html" title="type parameter in SparkRuntime.CalciteFlatMapFunction">T</a>,​<a href="SparkRuntime.CalciteFlatMapFunction.html" title="type parameter in SparkRuntime.CalciteFlatMapFunction">R</a>></span></code></th> |
| <td class="colLast"> |
| <div class="block">Combines linq4j <a href="../../linq4j/function/Function.html" title="interface in org.apache.calcite.linq4j.function"><code>Function</code></a> |
| and Spark <code>FlatMapFunction</code>.</div> |
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| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">SparkRuntime</a></span>()</code></th> |
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| <td class="colFirst"><code>static <T> <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><T></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#asEnumerable(org.apache.spark.api.java.JavaRDD)">asEnumerable</a></span>​(org.apache.spark.api.java.JavaRDD<T> rdd)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts an RDD into an enumerable.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <T> org.apache.spark.api.java.JavaRDD<T></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createRdd(org.apache.spark.api.java.JavaSparkContext,org.apache.calcite.linq4j.Enumerable)">createRdd</a></span>​(org.apache.spark.api.java.JavaSparkContext sc, |
| <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><T> enumerable)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts an enumerable into an RDD.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <T> org.apache.spark.api.java.JavaRDD<T></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createRdd(org.apache.spark.api.java.JavaSparkContext,T%5B%5D)">createRdd</a></span>​(org.apache.spark.api.java.JavaSparkContext sc, |
| T[] ts)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts an array into an RDD.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.spark.api.java.JavaSparkContext</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSparkContext(org.apache.calcite.DataContext)">getSparkContext</a></span>​(<a href="../../DataContext.html" title="interface in org.apache.calcite">DataContext</a> root)</code></th> |
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| <div class="block">Returns the Spark context for the current execution.</div> |
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| <h4>SparkRuntime</h4> |
| <pre>private SparkRuntime()</pre> |
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| <h4>createRdd</h4> |
| <pre class="methodSignature">public static <T> org.apache.spark.api.java.JavaRDD<T> createRdd​(org.apache.spark.api.java.JavaSparkContext sc, |
| T[] ts)</pre> |
| <div class="block">Converts an array into an RDD.</div> |
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| <h4>createRdd</h4> |
| <pre class="methodSignature">public static <T> org.apache.spark.api.java.JavaRDD<T> createRdd​(org.apache.spark.api.java.JavaSparkContext sc, |
| <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><T> enumerable)</pre> |
| <div class="block">Converts an enumerable into an RDD.</div> |
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| <pre class="methodSignature">public static <T> <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><T> asEnumerable​(org.apache.spark.api.java.JavaRDD<T> rdd)</pre> |
| <div class="block">Converts an RDD into an enumerable.</div> |
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| <h4>getSparkContext</h4> |
| <pre class="methodSignature">public static org.apache.spark.api.java.JavaSparkContext getSparkContext​(<a href="../../DataContext.html" title="interface in org.apache.calcite">DataContext</a> root)</pre> |
| <div class="block">Returns the Spark context for the current execution. |
| |
| <p>Currently a global variable; maybe later held within <code>root</code>.</p></div> |
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