invoke
operator fun <DsType> invoke( param0: TypedColumn<DsType, T1>, param1: TypedColumn<DsType, T2>, param2: TypedColumn<DsType, T3>, param3: TypedColumn<DsType, T4>, param4: TypedColumn<DsType, T5>, param5: TypedColumn<DsType, T6>, param6: TypedColumn<DsType, T7>, param7: TypedColumn<DsType, T8>): TypedColumn<DsType, R>
Allows this UDF to be called in typed manner using columns in a Dataset.selectTyped call.
See also
typedCol
to create typed columns.
UserDefinedFunction.apply
operator fun invoke( param0: Column, param1: Column, param2: Column, param3: Column, param4: Column, param5: Column, param6: Column, param7: Column): Column
Returns an expression that invokes the UDF in untyped manner, using the given arguments.
See also
UserDefinedFunction.apply