Package org.apache.flink.table.catalog

Class UnresolvedIdentifier

java.lang.Object

org.apache.flink.table.catalog.UnresolvedIdentifier

@PublicEvolving
public final class UnresolvedIdentifier
extends Object

Identifier of an object, such as table, view, function or type in a catalog. This identifier cannot be used directly to access an object in a catalog manager, but has to be first fully resolved into ObjectIdentifier.

Method Summary

Modifier and Type	Method	Description
String	asSummaryString()	Returns a string that summarizes this instance for printing to a console or log.
boolean	equals(Object o)
Optional<String>	getCatalogName()
Optional<String>	getDatabaseName()
String	getObjectName()
int	hashCode()
static UnresolvedIdentifier	of(String... path)	Constructs an UnresolvedIdentifier from an array of identifier segments.
static UnresolvedIdentifier	of(List<String> path)	Constructs an UnresolvedIdentifier from a list of identifier segments.
static UnresolvedIdentifier	of(ObjectIdentifier objectIdentifier)	Constructs an UnresolvedIdentifier from an ObjectIdentifier.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

of

public static UnresolvedIdentifier of(String... path)

Constructs an UnresolvedIdentifier from an array of identifier segments. The length of the path must be between 1 (only object name) and 3 (fully qualified identifier with catalog, database and object name).

Parameters:

path - array of identifier segments

Returns:

an identifier that must be resolved before accessing an object from a catalog manager

of

public static UnresolvedIdentifier of(List<String> path)

Constructs an UnresolvedIdentifier from a list of identifier segments.

See Also:

• of(String...)

of

public static UnresolvedIdentifier of(ObjectIdentifier objectIdentifier)

Constructs an UnresolvedIdentifier from an ObjectIdentifier.

See Also:

• of(String...)

getCatalogName

public Optional<String> getCatalogName()

getDatabaseName

public Optional<String> getDatabaseName()

getObjectName

public String getObjectName()

asSummaryString

public String asSummaryString()

Returns a string that summarizes this instance for printing to a console or log.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object