DataFrame.GroupBy Method
Definition
Important
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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.RelationalGroupedDatasetPublic Function GroupBy (column As String, ParamArray columns As String()) As RelationalGroupedDatasetParameters
- column
- String
Column name
- columns
- String[]
Additional column names
Returns
RelationalGroupedDataset object
Applies to
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.RelationalGroupedDatasetPublic Function GroupBy (ParamArray columns As Column()) As RelationalGroupedDatasetParameters
- columns
- Column[]
Column expressions
Returns
RelationalGroupedDataset object