public enum UpdateKind extends Enum<UpdateKind>
ModifyKind.UPDATE operation.| 枚举常量和说明 |
|---|
BEFORE_AND_AFTER
This kind indicates that operators should emit update changes in the way that a row of
RowKind#UPDATE_BEFORE and a row of RowKind#UPDATE_AFTER together. |
NONE
NONE doesn't represent any kind of update operation.
|
ONLY_UPDATE_AFTER
This kind indicates that operators should emit update changes just as a row of
RowKind#UPDATE_AFTER. |
public static final UpdateKind NONE
public static final UpdateKind ONLY_UPDATE_AFTER
RowKind#UPDATE_AFTER.public static final UpdateKind BEFORE_AND_AFTER
RowKind#UPDATE_BEFORE and a row of RowKind#UPDATE_AFTER together.public static UpdateKind[] values()
for (UpdateKind c : UpdateKind.values()) System.out.println(c);
public static UpdateKind valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值Copyright © 2014–2022 The Apache Software Foundation. All rights reserved.