Package org.apache.shardingsphere.infra.binder.segment.select.projection.impl

Class ColumnProjection

java.lang.Object

org.apache.shardingsphere.infra.binder.segment.select.projection.impl.ColumnProjection

All Implemented Interfaces:

Projection

public final class ColumnProjection
extends Object
implements Projection

Common projection.

Constructor Summary

Constructors

Constructor	Description
ColumnProjection(String owner, String name, String alias)

Method Summary

Modifier and Type	Method	Description
Projection	cloneWithOwner(org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue ownerIdentifier)	Clone with owner.
Optional<String>	getAlias()	Get alias.
String	getColumnLabel()	Get columnLabel.
String	getExpression()	Get expression.
String	getName()	Get column name.
String	getOwner()	Get owner.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnProjection

public ColumnProjection(String owner,
                        String name,
                        String alias)

Method Detail

getName

public String getName()

Get column name.

Returns:

column name

getOwner

public String getOwner()

Get owner.

Returns:

owner

getExpression

public String getExpression()

Description copied from interface: Projection

Get expression.

Specified by:

getExpression in interface Projection

Returns:

expression

getColumnLabel

public String getColumnLabel()

Description copied from interface: Projection

Get columnLabel.

Specified by:

getColumnLabel in interface Projection

Returns:

columnLabel

getAlias

public Optional<String> getAlias()

Description copied from interface: Projection

Get alias.

Specified by:

getAlias in interface Projection

Returns:

alias

cloneWithOwner

public Projection cloneWithOwner(org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue ownerIdentifier)

Description copied from interface: Projection

Clone with owner.

Specified by:

cloneWithOwner in interface Projection

Parameters:

ownerIdentifier - owner identifier

Returns:

new projection