org.verdictdb.core.sqlobject

Class AliasReference

java.lang.Object

org.verdictdb.core.sqlobject.AliasReference

All Implemented Interfaces:

Serializable, GroupingAttribute, SelectItem, UnnamedColumn

public class AliasReference
extends Object
implements UnnamedColumn

Represents the alias name that appears in the group-by clause or in the order-by clause. This column does not include any reference to the table.

Author:

Yongjoo Park

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AliasReference(String aliasName)
AliasReference(String tableAlias, String aliasName)

Method Summary

Modifier and Type	Method and Description
UnnamedColumn	deepcopy()
boolean	equals(Object obj)
String	getAliasName()
String	getTableAlias()
int	hashCode()
boolean	isAggregateColumn()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AliasReference

public AliasReference(String aliasName)

AliasReference

public AliasReference(String tableAlias,
                      String aliasName)

Method Detail

getAliasName

public String getAliasName()

getTableAlias

public String getTableAlias()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

isAggregateColumn

public boolean isAggregateColumn()

Specified by:

isAggregateColumn in interface SelectItem

Returns:

True if a column is a non-subquery column and includes aggergate functions.

deepcopy

public UnnamedColumn deepcopy()

Specified by:

deepcopy in interface SelectItem

Specified by:

deepcopy in interface UnnamedColumn