DerivedProjection (shardingsphere-infra-binder 5.4.0 API)

java.lang.Object
- org.apache.shardingsphere.infra.binder.segment.select.projection.impl.DerivedProjection

All Implemented Interfaces:: Projection

public final class DerivedProjection
extends Object
implements Projection

Derived projection.

Constructor Summary

Constructors
Constructor Description

DerivedProjection()

Method Summary

All Methods Instance Methods Concrete Methods
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.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.shardingsphere.infra.binder.segment.select.projection.Projection
getExpression

- Constructor Detail
  - DerivedProjection
```
public DerivedProjection()
```
- Method Detail
  - getAlias
```
public Optional<String> getAlias()
```
    Description copied from interface: Projection
    
    Get alias.
    
    Specified by:
    
    getAlias in interface Projection
    
    Returns:
    
    alias
  - getColumnLabel
```
public String getColumnLabel()
```
    Description copied from interface: Projection
    
    Get columnLabel.
    
    Specified by:
    
    getColumnLabel in interface Projection
    
    Returns:
    
    columnLabel
  - 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