org.apache.flink.table.runtime.keyselector

类 BinaryRowDataKeySelector

java.lang.Object

org.apache.flink.table.runtime.keyselector.BinaryRowDataKeySelector

所有已实现的接口:

Serializable, 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>, RowDataKeySelector

public class BinaryRowDataKeySelector
extends Object
implements RowDataKeySelector

A KeySelector which will extract key from RowData. The key type is BinaryRowData.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
BinaryRowDataKeySelector(InternalTypeInfo<org.apache.flink.table.data.RowData> keyRowType, GeneratedProjection generatedProjection)

方法概要

限定符和类型	方法和说明
org.apache.flink.table.data.RowData	getKey(org.apache.flink.table.data.RowData value)
InternalTypeInfo<org.apache.flink.table.data.RowData>	getProducedType()

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

BinaryRowDataKeySelector

public BinaryRowDataKeySelector(InternalTypeInfo<org.apache.flink.table.data.RowData> keyRowType,
                                GeneratedProjection generatedProjection)

方法详细资料

getKey

public org.apache.flink.table.data.RowData getKey(org.apache.flink.table.data.RowData value)
                                           throws Exception

指定者:

getKey 在接口中 org.apache.flink.api.java.functions.KeySelector<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

抛出:

Exception

getProducedType

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

指定者:

getProducedType 在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

指定者:

getProducedType 在接口中 RowDataKeySelector