Functions.Map(Column[]) Method
Definition
Important
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Creates a new map column.
public static Microsoft.Spark.Sql.Column Map(params Microsoft.Spark.Sql.Column[] columns);static member Map : Microsoft.Spark.Sql.Column[] -> Microsoft.Spark.Sql.ColumnPublic Shared Function Map (ParamArray columns As Column()) As ColumnParameters
- columns
- Column[]
Columns to apply
Returns
Column object
Remarks
The input columns must be grouped as key-value pairs, e.g. (key1, value1, key2, value2, ...). The key columns must all have the same data type, and can't be null. The value columns must all have the same data type.