DataFrame.CrossJoin(DataFrame) Method

Reference

Definition

Namespace:: Microsoft.Spark.Sql

Assembly:: Microsoft.Spark.dll

Package:: Microsoft.Spark v1.0.0

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Explicit Cartesian join with another DataFrame.

public Microsoft.Spark.Sql.DataFrame CrossJoin (Microsoft.Spark.Sql.DataFrame right);

member this.CrossJoin : Microsoft.Spark.Sql.DataFrame -> Microsoft.Spark.Sql.DataFrame

Public Function CrossJoin (right As DataFrame) As DataFrame

Parameters

right: DataFrame

Right side of the join operator

Returns

DataFrame

DataFrame object

Remarks

Cartesian joins are very expensive without an extra filter that can be pushed down.

Applies to