Functions.Coalesce(Column[]) Method
Definition
Important
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Returns the first column that is not null, or null if all inputs are null.
public static Microsoft.Spark.Sql.Column Coalesce (params Microsoft.Spark.Sql.Column[] columns);static member Coalesce : Microsoft.Spark.Sql.Column[] -> Microsoft.Spark.Sql.ColumnPublic Shared Function Coalesce (ParamArray columns As Column()) As ColumnParameters
- columns
- Column[]
Columns to apply
Returns
Column object