Package org.apache.spark.sql

Class DatasetHolder<T>

Object
org.apache.spark.sql.DatasetHolder<T>
public abstract class DatasetHolder<T> extends Object
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

  • Constructor Details

    • DatasetHolder

      public DatasetHolder()

  • Method Details

    • toDF

      public abstract Dataset<Row> toDF()

    • toDF

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

    • toDS

      public abstract Dataset<T> toDS()