org.apache.shardingsphere.sql.parser.sql.segment.dml.item

Class AggregationProjectionSegment

java.lang.Object

org.apache.shardingsphere.sql.parser.sql.segment.dml.item.AggregationProjectionSegment

All Implemented Interfaces:

ASTNode, ProjectionSegment, AliasAvailable, SQLSegment

Direct Known Subclasses:

AggregationDistinctProjectionSegment

public class AggregationProjectionSegment
extends Object
implements ProjectionSegment, AliasAvailable

Aggregation projection segment.

Constructor Summary

Constructors

Constructor and Description
AggregationProjectionSegment(int startIndex, int stopIndex, AggregationType type, int innerExpressionStartIndex)

Method Summary

Modifier and Type	Method and Description
Optional<String>	getAlias() Get alias.

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.sql.parser.sql.segment.generic.AliasAvailable

setAlias

Methods inherited from interface org.apache.shardingsphere.sql.parser.sql.segment.SQLSegment

getStartIndex, getStopIndex

Constructor Detail

AggregationProjectionSegment

public AggregationProjectionSegment(int startIndex,
                                    int stopIndex,
                                    AggregationType type,
                                    int innerExpressionStartIndex)

Method Detail

getAlias

public final Optional<String> getAlias()

Description copied from interface: AliasAvailable

Get alias.

Specified by:

getAlias in interface AliasAvailable

Returns:

alias