Functions.GroupingId Method
Definition
Important
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Overloads
| GroupingId(Column[]) |
Returns the number of distinct items in a group. |
| GroupingId(String, String[]) |
Returns the number of distinct items in a group. |
GroupingId(Column[])
Returns the number of distinct items in a group.
public static Microsoft.Spark.Sql.Column GroupingId(params Microsoft.Spark.Sql.Column[] columns);static member GroupingId : Microsoft.Spark.Sql.Column[] -> Microsoft.Spark.Sql.ColumnPublic Shared Function GroupingId (ParamArray columns As Column()) As ColumnParameters
- columns
- Column[]
Columns to apply
Returns
Column object
Remarks
The list of columns should match with grouping columns exactly, or empty (meaning all the grouping columns).
Applies to
GroupingId(String, String[])
Returns the number of distinct items in a group.
public static Microsoft.Spark.Sql.Column GroupingId(string columnName, params string[] columnNames);static member GroupingId : string * string[] -> Microsoft.Spark.Sql.ColumnPublic Shared Function GroupingId (columnName As String, ParamArray columnNames As String()) As ColumnParameters
- columnName
- String
Column name
- columnNames
- String[]
Additional column names
Returns
Column object
Remarks
The list of columns should match with grouping columns exactly.