org.apache.seatunnel.api.table.catalog

类 MetadataColumn

java.lang.Object

org.apache.seatunnel.api.table.catalog.Column

org.apache.seatunnel.api.table.catalog.MetadataColumn

所有已实现的接口:

Serializable

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.seatunnel.api.table.catalog.Column

bitLen, columnLength, comment, dataType, defaultValue, isUnsigned, isZeroFill, longColumnLength, name, nullable, options, sourceType

构造器概要

构造器

限定符	构造器和说明
protected	MetadataColumn(String name, SeaTunnelDataType<?> dataType, Integer columnLength, String metadataKey, boolean nullable, Object defaultValue, String comment)

方法概要

限定符和类型	方法和说明
Column	copy() Returns a copy of the column.
Column	copy(SeaTunnelDataType<?> newType) Returns a copy of the column with a replaced SeaTunnelDataType.
boolean	isPhysical() Returns whether the given column is a physical column of a table; neither computed nor metadata.
static MetadataColumn	of(String name, SeaTunnelDataType<?> dataType, Integer columnLength, String metadataKey, boolean nullable, Object defaultValue, String comment)
Column	rename(String newColumnName) Returns a copy of the column with a replaced name.

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

MetadataColumn

protected MetadataColumn(String name,
                         SeaTunnelDataType<?> dataType,
                         Integer columnLength,
                         String metadataKey,
                         boolean nullable,
                         Object defaultValue,
                         String comment)

方法详细资料

of

public static MetadataColumn of(String name,
                                SeaTunnelDataType<?> dataType,
                                Integer columnLength,
                                String metadataKey,
                                boolean nullable,
                                Object defaultValue,
                                String comment)

isPhysical

public boolean isPhysical()

从类复制的说明: Column

Returns whether the given column is a physical column of a table; neither computed nor metadata.

指定者:

isPhysical 在类中 Column

copy

public Column copy(SeaTunnelDataType<?> newType)

从类复制的说明: Column

Returns a copy of the column with a replaced SeaTunnelDataType.

指定者:

copy 在类中 Column

copy

public Column copy()

从类复制的说明: Column

Returns a copy of the column.

指定者:

copy 在类中 Column

rename

public Column rename(String newColumnName)

从类复制的说明: Column

Returns a copy of the column with a replaced name.

指定者:

rename 在类中 Column