org.apache.spark.sql.execution

Class Exchange

Object

org.apache.spark.sql.catalyst.trees.TreeNode<PlanType>

org.apache.spark.sql.catalyst.plans.QueryPlan<SparkPlan>

org.apache.spark.sql.execution.SparkPlan

org.apache.spark.sql.execution.Exchange

All Implemented Interfaces:

java.io.Serializable, Logging, org.apache.spark.sql.catalyst.trees.UnaryNode<SparkPlan>, scala.Equals, scala.Product

public class Exchange
extends SparkPlan
implements UnaryNode, scala.Product, scala.Serializable

:: DeveloperApi ::

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Exchange(org.apache.spark.sql.catalyst.plans.physical.Partitioning newPartitioning, SparkPlan child)

Method Summary

Methods

Modifier and Type	Method and Description
SparkPlan	child()
RDD<org.apache.spark.sql.catalyst.expressions.Row>	execute() Runs this query returning the result as an RDD.
org.apache.spark.sql.catalyst.plans.physical.Partitioning	newPartitioning()
scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Attribute>	output()
org.apache.spark.sql.catalyst.plans.physical.Partitioning	outputPartitioning() Specifies how data is partitioned across different nodes in the cluster.

Methods inherited from class org.apache.spark.sql.execution.SparkPlan

codegenEnabled, executeCollect, makeCopy, requiredChildDistribution

Methods inherited from class org.apache.spark.sql.catalyst.plans.QueryPlan

expressions, inputSet, missingInput, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionDown$1, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionUp$1, outputSet, printSchema, references, schema, schemaString, simpleString, statePrefix, transformAllExpressions, transformExpressions, transformExpressionsDown, transformExpressionsUp

Methods inherited from class org.apache.spark.sql.catalyst.trees.TreeNode

apply, argString, asCode, children, collect, fastEquals, flatMap, foreach, generateTreeString, getNodeNumbered, map, mapChildren, nodeName, numberedTreeString, otherCopyArgs, stringArgs, toString, transform, transformChildrenDown, transformChildrenUp, transformDown, transformUp, treeString, withNewChildren

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.spark.sql.catalyst.trees.UnaryNode

children

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Methods inherited from interface org.apache.spark.Logging

initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning

Constructor Detail

Exchange

public Exchange(org.apache.spark.sql.catalyst.plans.physical.Partitioning newPartitioning,
        SparkPlan child)

Method Detail

newPartitioning

public org.apache.spark.sql.catalyst.plans.physical.Partitioning newPartitioning()

child

public SparkPlan child()

Specified by:

child in interface org.apache.spark.sql.catalyst.trees.UnaryNode<SparkPlan>

outputPartitioning

public org.apache.spark.sql.catalyst.plans.physical.Partitioning outputPartitioning()

Description copied from class: SparkPlan

Specifies how data is partitioned across different nodes in the cluster.

Overrides:

outputPartitioning in class SparkPlan

output

public scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Attribute> output()

Specified by:

output in class org.apache.spark.sql.catalyst.plans.QueryPlan<SparkPlan>

execute

public RDD<org.apache.spark.sql.catalyst.expressions.Row> execute()

Description copied from class: SparkPlan

Runs this query returning the result as an RDD.

Specified by:

execute in class SparkPlan