Package org.apache.calcite.linq4j.function

Interface Function<R>

Type Parameters:

R - Result type

All Known Subinterfaces:

BigDecimalFunction1<T0>, DoubleFunction1<T0>, FloatFunction1<T0>, Function0<R>, Function1<T0,R>, Function2<T0,T1,R>, IntegerFunction1<T0>, LongFunction1<T0>, NullableBigDecimalFunction1<T0>, NullableDoubleFunction1<T0>, NullableFloatFunction1<T0>, NullableIntegerFunction1<T0>, NullableLongFunction1<T0>, Predicate1<T0>, Predicate2<T0,T1>, RelProtoDataType

All Known Implementing Classes:

PsTableFunction.LineParser, SparkRuntime.CalciteFlatMapFunction

public interface Function<R>

Base interface for all functions.