org.apache.flink.cdc.common.schema

类 MetadataColumn

java.lang.Object

org.apache.flink.cdc.common.schema.Column

org.apache.flink.cdc.common.schema.MetadataColumn

所有已实现的接口:

Serializable

@PublicEvolving
public class MetadataColumn
extends Column

Representation of a metadata column.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.cdc.common.schema.Column

comment, defaultValueExpression, FIELD_FORMAT_NO_DESCRIPTION_NO_DEFAULT_VALUE_EXPRESSION, FIELD_FORMAT_NO_DESCRIPTION_WITH_DEFAULT_VALUE_EXPRESSION, FIELD_FORMAT_WITH_DESCRIPTION_NO_DEFAULT_VALUE_EXPRESSION, FIELD_FORMAT_WITH_DESCRIPTION_WITH_DEFAULT_VALUE_EXPRESSION, name, type

构造器概要

构造器

构造器和说明
MetadataColumn(String name, DataType type, String metadataKey, String comment)

方法概要

限定符和类型	方法和说明
Column	copy(DataType newType) Returns a copy of the column with a replaced DataType.
Column	copy(String newName) Returns a copy of the column with a replaced name.
boolean	equals(Object o)
String	getMetadataKey()
int	hashCode()
boolean	isPhysical() Returns whether the given column is a physical column of a table or metadata column.

从类继承的方法 org.apache.flink.cdc.common.schema.Column

asSummaryString, getComment, getDefaultValueExpression, getName, getType, metadataColumn, metadataColumn, metadataColumn, physicalColumn, physicalColumn, physicalColumn, toString

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

MetadataColumn

public MetadataColumn(String name,
                      DataType type,
                      @Nullable
                      String metadataKey,
                      @Nullable
                      String comment)

方法详细资料

isPhysical

public boolean isPhysical()

从类复制的说明: Column

Returns whether the given column is a physical column of a table or metadata column.

指定者:

isPhysical 在类中 Column

getMetadataKey

@Nullable
public String getMetadataKey()

copy

public Column copy(DataType newType)

从类复制的说明: Column

Returns a copy of the column with a replaced DataType.

指定者:

copy 在类中 Column

copy

public Column copy(String newName)

从类复制的说明: Column

Returns a copy of the column with a replaced name.

指定者:

copy 在类中 Column

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Column

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Column