invoke

operator fun <DsType> invoke(param0: <Error class: unknown class><DsType, T1>): <Error class: unknown class><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.

org.apache.spark.sql.expressions.UserDefinedFunction.apply

operator fun invoke(param0: <Error class: unknown class>): <Error class: unknown class>

Returns an expression that invokes the UDF in untyped manner, using the given arguments.

See also

org.apache.spark.sql.expressions.UserDefinedFunction.apply