DataFrame.GroupBy Method

Definition

Namespace:

Microsoft.Spark.Sql

Assembly:

Microsoft.Spark.dll

Package:

Microsoft.Spark v1.0.0

Overloads

GroupBy(String, String[])	Groups the DataFrame using the specified columns.
GroupBy(Column[])	Groups the DataFrame using the specified columns, so we can run aggregation on them.

GroupBy(String, String[])

Groups the DataFrame using the specified columns.

public Microsoft.Spark.Sql.RelationalGroupedDataset GroupBy (string column, params string[] columns);

member this.GroupBy : string * string[] -> Microsoft.Spark.Sql.RelationalGroupedDataset

Public Function GroupBy (column As String, ParamArray columns As String()) As RelationalGroupedDataset

Parameters

column

String

Column name

columns

String[]

Additional column names

Returns

RelationalGroupedDataset

RelationalGroupedDataset object

GroupBy(Column[])

Groups the DataFrame using the specified columns, so we can run aggregation on them.

public Microsoft.Spark.Sql.RelationalGroupedDataset GroupBy (params Microsoft.Spark.Sql.Column[] columns);

member this.GroupBy : Microsoft.Spark.Sql.Column[] -> Microsoft.Spark.Sql.RelationalGroupedDataset

Public Function GroupBy (ParamArray columns As Column()) As RelationalGroupedDataset

Parameters

columns

Column[]

Column expressions

Returns

RelationalGroupedDataset

RelationalGroupedDataset object