org.apache.flink.table.runtime.keyselector

Interface RowDataKeySelector

All Superinterfaces:

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

All Known Implementing Classes:

BinaryRowDataKeySelector, EmptyRowDataKeySelector, GenericRowDataKeySelector

public interface RowDataKeySelector
extends org.apache.flink.api.java.functions.KeySelector<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

RowDataKeySelector takes an RowData and extracts the deterministic key for the RowData.

Method Summary

Modifier and Type	Method and Description
InternalTypeInfo<org.apache.flink.table.data.RowData>	getProducedType()

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

getKey

Method Detail

getProducedType

InternalTypeInfo<org.apache.flink.table.data.RowData> getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>