org.apache.spark.sql.execution

Class Sample

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.Sample

All Implemented Interfaces:

com.typesafe.scalalogging.slf4j.Logging, java.io.Serializable, scala.Equals, scala.Product

public class Sample
extends SparkPlan
implements scala.Product, scala.Serializable

:: DeveloperApi ::

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Sample(double fraction, boolean withReplacement, long seed, 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.
double	fraction()
scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Attribute>	output()
org.apache.spark.sql.catalyst.plans.physical.Partitioning	outputPartitioning()
long	seed()
boolean	withReplacement()

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

executeCollect, outputPartitioning, requiredChildDistribution

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

expressions, generateSchemaString, generateSchemaString, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionDown$1, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionUp$1, outputSet, printSchema, schemaString, 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, id, makeCopy, map, mapChildren, nextId, nodeName, numberedTreeString, otherCopyArgs, sameInstance, simpleString, 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 com.typesafe.scalalogging.slf4j.Logging

logger

Constructor Detail

Sample

public Sample(double fraction,
      boolean withReplacement,
      long seed,
      SparkPlan child)

Method Detail

fraction

public double fraction()

withReplacement

public boolean withReplacement()

seed

public long seed()

child

public SparkPlan child()

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

outputPartitioning

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