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

Class AggregationDistinctProjection

java.lang.Object

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

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

All Implemented Interfaces:

Projection

public final class AggregationDistinctProjection
extends AggregationProjection

Aggregation distinct projection.

Constructor Summary

Constructors

Constructor	Description
AggregationDistinctProjection(int startIndex, int stopIndex, org.apache.shardingsphere.sql.parser.sql.common.enums.AggregationType type, String innerExpression, String alias, String distinctInnerExpression, DatabaseType databaseType)

Method Summary

Modifier and Type	Method	Description
Projection	cloneWithOwner(org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue ownerIdentifier)	Clone with owner.
String	getDistinctColumnLabel()	Get distinct column label.

Methods inherited from class org.apache.shardingsphere.infra.binder.segment.select.projection.impl.AggregationProjection

getAlias, getColumnLabel, getExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationDistinctProjection

public AggregationDistinctProjection(int startIndex,
                                     int stopIndex,
                                     org.apache.shardingsphere.sql.parser.sql.common.enums.AggregationType type,
                                     String innerExpression,
                                     String alias,
                                     String distinctInnerExpression,
                                     DatabaseType databaseType)

Method Detail

getDistinctColumnLabel

public String getDistinctColumnLabel()

Get distinct column label.

Returns:

distinct column label

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

Overrides:

cloneWithOwner in class AggregationProjection

Parameters:

ownerIdentifier - owner identifier

Returns:

new projection