Package org.apache.flink.table.api

Class Schema.UnresolvedMetadataColumn

java.lang.Object

org.apache.flink.table.api.Schema.UnresolvedColumn

org.apache.flink.table.api.Schema.UnresolvedMetadataColumn

Enclosing class:

Schema

@PublicEvolving
public static final class Schema.UnresolvedMetadataColumn
extends Schema.UnresolvedColumn

Declaration of a metadata column that will be resolved to Column.MetadataColumn during schema resolution.

Constructor Summary

Constructors

Constructor	Description
UnresolvedMetadataColumn(String columnName, AbstractDataType<?> dataType, String metadataKey, boolean isVirtual)
UnresolvedMetadataColumn(String columnName, AbstractDataType<?> dataType, String metadataKey, boolean isVirtual, String comment)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
AbstractDataType<?>	getDataType()
String	getMetadataKey()
int	hashCode()
boolean	isVirtual()
String	toString()

Methods inherited from class org.apache.flink.table.api.Schema.UnresolvedColumn

getComment, getName

Methods inherited from class java.lang.Object

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

Constructor Details

UnresolvedMetadataColumn

public UnresolvedMetadataColumn(String columnName,
 AbstractDataType<?> dataType,
 @Nullable
 String metadataKey,
 boolean isVirtual)

UnresolvedMetadataColumn

public UnresolvedMetadataColumn(String columnName,
 AbstractDataType<?> dataType,
 @Nullable
 String metadataKey,
 boolean isVirtual,
 @Nullable
 String comment)

Method Details

getDataType

public AbstractDataType<?> getDataType()

getMetadataKey

@Nullable
public String getMetadataKey()

isVirtual

public boolean isVirtual()

toString

public String toString()

Overrides:

toString in class Schema.UnresolvedColumn

equals

public boolean equals(Object o)

Overrides:

equals in class Schema.UnresolvedColumn

hashCode

public int hashCode()

Overrides:

hashCode in class Schema.UnresolvedColumn