org.apache.shardingsphere.core.parse.old.parser.context.selectitem

Class DistinctSelectItem

java.lang.Object

org.apache.shardingsphere.core.parse.old.parser.context.selectitem.DistinctSelectItem

All Implemented Interfaces:

SelectItem

public final class DistinctSelectItem
extends Object
implements SelectItem

Distinct select item.

Author:

panjuan

Constructor Summary

Constructors

Constructor and Description
DistinctSelectItem()

Method Summary

Modifier and Type	Method and Description
Collection<String>	getDistinctColumnLabels() Get distinct column labels.
String	getExpression() Get expression.

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.core.parse.old.parser.context.selectitem.SelectItem

getAlias

Constructor Detail

DistinctSelectItem

public DistinctSelectItem()

Method Detail

getExpression

public String getExpression()

Description copied from interface: SelectItem

Get expression.

Specified by:

getExpression in interface SelectItem

Returns:

expression

getDistinctColumnLabels

public Collection<String> getDistinctColumnLabels()

Get distinct column labels.

Returns:

distinct column labels