org.apache.flink.table.runtime.keyselector

接口 BaseRowKeySelector

所有超级接口:

org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<BaseRow,BaseRow>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>, Serializable

所有已知实现类:

BinaryRowKeySelector, NullBinaryRowKeySelector

public interface BaseRowKeySelector
extends org.apache.flink.api.java.functions.KeySelector<BaseRow,BaseRow>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>

BaseRowKeySelector takes an BaseRow and extracts the deterministic key for the BaseRow.

方法概要

限定符和类型	方法和说明
BaseRowTypeInfo	getProducedType()

从接口继承的方法 org.apache.flink.api.java.functions.KeySelector

getKey

方法详细资料

getProducedType

BaseRowTypeInfo getProducedType()

指定者:

getProducedType 在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>