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
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

$init$, productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Method Detail

toDS

public Dataset<T> toDS()

toDF

public Dataset<Row> toDF()

toDF

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