Module org.postgresql.pljava

Package org.postgresql.pljava.sqlgen

Class Lexicals.Identifier.None

java.lang.Object

org.postgresql.pljava.sqlgen.Lexicals.Identifier

org.postgresql.pljava.sqlgen.Lexicals.Identifier.Unqualified<Lexicals.Identifier.Simple>

org.postgresql.pljava.sqlgen.Lexicals.Identifier.Simple

org.postgresql.pljava.sqlgen.Lexicals.Identifier.None

All Implemented Interfaces:

Serializable

Enclosing class:

Lexicals.Identifier

public static final class Lexicals.Identifier.None
extends Lexicals.Identifier.Simple

What is the name of an unnamed parameter or column?

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.postgresql.pljava.sqlgen.Lexicals.Identifier

Lexicals.Identifier.None, Lexicals.Identifier.Operator, Lexicals.Identifier.Pseudo, Lexicals.Identifier.Qualified<T extends Lexicals.Identifier.Unqualified<T>>, Lexicals.Identifier.Simple, Lexicals.Identifier.Unqualified<T extends Lexicals.Identifier.Unqualified<T>>

Field Summary

Fields

Modifier and Type	Field	Description
static final Lexicals.Identifier.None	INSTANCE

Fields inherited from class org.postgresql.pljava.sqlgen.Lexicals.Identifier.Simple

m_nonFolded

Method Summary

Modifier and Type	Method	Description
Lexicals.Identifier.Simple	concat(Object... more)	Returns this object if there are zero arguments; otherwise throws IllegalArgumentException.
String	deparse(Charset cs)	Throws UnsupportedOperationException.
boolean	equals(Object other)	A None identifier never equals anything.
boolean	isUnnamed()	True.
String	toString()	Returns the empty string.

Methods inherited from class org.postgresql.pljava.sqlgen.Lexicals.Identifier.Simple

deparse, equals, folds, from, fromCatalog, fromJava, fromJava, hashCode, isoFolded, nonFolded, pgFold, pgFolded, withQualifier

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final Lexicals.Identifier.None INSTANCE

Method Details

equals

public boolean equals(Object other)

A None identifier never equals anything.

Overrides:

equals in class Lexicals.Identifier

Parameters:

other - Object to compare to

Returns:

true if two quoted Identifiers match exactly, or two non-quoted ones match in either the PostgreSQL or ISO SQL folded form, or a quoted one exactly matches either folded form of a non-quoted one.

isUnnamed

public boolean isUnnamed()

True.

Overrides:

isUnnamed in class Lexicals.Identifier

Returns:

false except where overridden

See Also:

• isUnnamed()

concat

public Lexicals.Identifier.Simple concat(Object... more)

Returns this object if there are zero arguments; otherwise throws IllegalArgumentException.

Overrides:

concat in class Lexicals.Identifier.Simple

deparse

public String deparse(Charset cs)

Throws UnsupportedOperationException.

Overrides:

deparse in class Lexicals.Identifier.Simple

Returns:

The identifier, quoted, unless it is folding.

toString

public String toString()

Returns the empty string.

Overrides:

toString in class Lexicals.Identifier