org.apache.flink.api.java.summarize

类 ObjectColumnSummary

java.lang.Object

org.apache.flink.api.java.summarize.ColumnSummary

org.apache.flink.api.java.summarize.ObjectColumnSummary

已过时。

All Flink DataSet APIs are deprecated since Flink 1.18 and will be removed in a future Flink major version. You can still build your application in DataSet, but you should move to either the DataStream and/or Table API.

@Deprecated
 @PublicEvolving
public class ObjectColumnSummary
extends ColumnSummary

Summary for a column of generic Objects (this is a fallback for unsupported types).

另请参阅:

FLIP-131: Consolidate the user-facing Dataflow SDKs/APIs (and deprecate the DataSet API

构造器概要

构造器

构造器和说明
ObjectColumnSummary(long notNullCount, long nullCount) 已过时。

方法概要

限定符和类型	方法和说明
long	getNonNullCount() 已过时。 The number of non-null values in this column.
long	getNullCount() 已过时。 The number of null values in this column.
String	toString() 已过时。

从类继承的方法 org.apache.flink.api.java.summarize.ColumnSummary

containsNonNull, containsNull, getTotalCount

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

构造器详细资料

ObjectColumnSummary

public ObjectColumnSummary(long notNullCount,
                           long nullCount)

已过时。

方法详细资料

getNonNullCount

public long getNonNullCount()

已过时。

The number of non-null values in this column.

指定者:

getNonNullCount 在类中 ColumnSummary

getNullCount

public long getNullCount()

已过时。

从类复制的说明: ColumnSummary

The number of null values in this column.

指定者:

getNullCount 在类中 ColumnSummary

toString

public String toString()

已过时。

覆盖:

toString 在类中 Object