Package org.apache.spark.sql

Class DatasetHolder<T>

Object

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

All Implemented Interfaces:

Serializable, scala.Equals, scala.Product, scala.Serializable

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	Description
Dataset<Row>	toDF()
Dataset<Row>	toDF(scala.collection.Seq<String> colNames)
Dataset<T>	toDS()

Methods inherited from class java.lang.Object

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

Methods inherited from interface scala.Equals

canEqual, equals

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Method Details

toDS

public Dataset<T> toDS()

toDF

public Dataset<Row> toDF()

toDF

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