invoke
operator fun <DsType> invoke(param0: <Error class: unknown class><DsType, T1>): <Error class: unknown class><DsType, R>
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Allows this UDF to be called in typed manner using columns in a Dataset.selectTyped call.
See also
typed Col
to create typed columns.
org. apache. spark. sql. expressions. User Defined Function. apply
operator fun invoke(param0: <Error class: unknown class>): <Error class: unknown class>
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Returns an expression that invokes the UDF in untyped manner, using the given arguments.
See also
org. apache. spark. sql. expressions. User Defined Function. apply