org.apache.flink.table.types.inference.strategies

类 ArgumentMappingTypeStrategy

java.lang.Object

org.apache.flink.table.types.inference.strategies.ArgumentMappingTypeStrategy

所有已实现的接口:

TypeStrategy

@Internal
public final class ArgumentMappingTypeStrategy
extends Object
implements TypeStrategy

Type strategy that returns the n-th input argument, mapping it with the provided function.

构造器概要

构造器

构造器和说明
ArgumentMappingTypeStrategy(int pos, java.util.function.Function<DataType,Optional<DataType>> mapper)

方法概要

限定符和类型	方法和说明
Optional<DataType>	inferType(CallContext callContext) Infers a type from the given function call.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ArgumentMappingTypeStrategy

public ArgumentMappingTypeStrategy(int pos,
                                   java.util.function.Function<DataType,Optional<DataType>> mapper)

方法详细资料

inferType

public Optional<DataType> inferType(CallContext callContext)

从接口复制的说明: TypeStrategy

Infers a type from the given function call.

指定者:

inferType 在接口中 TypeStrategy