NamedUserDefinedFunction1
class NamedUserDefinedFunction1<T1, R>( val name: String, udf: <Error class: unknown class>, encoder: <Error class: unknown class><R>) : UserDefinedFunction1<T1, R> , NamedUserDefinedFunction<R, NamedUserDefinedFunction1<T1, R>>
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Instance of a UDF with 1 argument with name. This UDF can be invoked with (typed) columns in a Dataset.select or selectTyped call. Alternatively it can be registered for SQL calls using register.
See also
org.apache.spark.sql.expressions.UserDefinedFunction
org.jetbrains.kotlinx.spark.api.NamedUserDefinedFunction1
Constructors
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fun <R> NamedUserDefinedFunction1( name: String, udf: <Error class: unknown class>, encoder: <Error class: unknown class><R>)
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Functions
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abstract operator fun getValue(thisRef: Any?, property: KProperty<*>): NamedUserDefinedFunction1<T1, R>
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Converts this UserDefinedFunction to a NamedUserDefinedFunction.
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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.
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.
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fun invokeUntyped(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.
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Converts this UserDefinedFunction to a NamedUserDefinedFunction.