Column.When(Column, Object) Method
Definition
Important
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Evaluates a condition and returns one of multiple possible result expressions. If Otherwise(object) is not defined at the end, null is returned for unmatched conditions. This method can be chained with other 'when' invocations in case multiple matches are required.
public Microsoft.Spark.Sql.Column When (Microsoft.Spark.Sql.Column condition, object value);member this.When : Microsoft.Spark.Sql.Column * obj -> Microsoft.Spark.Sql.ColumnPublic Function When (condition As Column, value As Object) As ColumnParameters
- condition
- Column
The condition to check
- value
- Object
The value to set if the condition is true
Returns
New column after applying the when method