org.apache.spark.sql

Class DatasetHolder<T>

Object

org.apache.spark.sql.DatasetHolder<T>

All Implemented Interfaces:

java.io.Serializable, scala.Equals, scala.Product

public class DatasetHolder<T>
extends Object
implements scala.Product, scala.Serializable

A container for a Dataset, used for implicit conversions in Scala.

To use this, import implicit conversions in SQL:

   val spark: SparkSession = ...
   import spark.implicits._
 

Since:

1.6.0

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
abstract static boolean	canEqual(Object that)
abstract static boolean	equals(Object that)
abstract static int	productArity()
abstract static Object	productElement(int n)
static scala.collection.Iterator<Object>	productIterator()
static String	productPrefix()
Dataset<Row>	toDF()
Dataset<Row>	toDF(scala.collection.Seq<String> colNames)
Dataset<T>	toDS()

Methods inherited from class Object

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

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Method Detail

canEqual

public abstract static boolean canEqual(Object that)

equals

public abstract static boolean equals(Object that)

productElement

public abstract static Object productElement(int n)

productArity

public abstract static int productArity()

productIterator

public static scala.collection.Iterator<Object> productIterator()

productPrefix

public static String productPrefix()

toDS

public Dataset<T> toDS()

toDF

public Dataset<Row> toDF()

toDF

public Dataset<Row> toDF(scala.collection.Seq<String> colNames)