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(RowDataTypeInfo 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)
RowDataTypeInfo	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(RowDataTypeInfo 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 RowDataTypeInfo 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