org.apache.flink.table.runtime.keyselector

Interface BaseRowKeySelector

All Superinterfaces:

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

All Known Implementing Classes:

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.

Method Summary

Modifier and Type	Method and Description
BaseRowTypeInfo	getProducedType()

Methods inherited from interface org.apache.flink.api.java.functions.KeySelector

getKey

Method Detail

getProducedType

BaseRowTypeInfo getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>