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

Class AggregationProjectionSegment

java.lang.Object

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

All Implemented Interfaces:

ASTNode, ExpressionSegment, ProjectionSegment, AliasAvailable, SQLSegment

Direct Known Subclasses:

AggregationDistinctProjectionSegment

public class AggregationProjectionSegment
extends Object
implements ProjectionSegment, AliasAvailable, ExpressionSegment

Aggregation projection segment.

Constructor Summary

Constructors

Constructor	Description
AggregationProjectionSegment(int startIndex, int stopIndex, AggregationType type, String innerExpression)

Method Summary

Modifier and Type	Method	Description
Optional<AliasSegment>	getAlias()	Get alias segment.
Optional<String>	getAliasName()	Get alias name.

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.common.segment.generic.AliasAvailable

setAlias

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

getStartIndex, getStopIndex

Constructor Detail

AggregationProjectionSegment

public AggregationProjectionSegment(int startIndex,
                                    int stopIndex,
                                    AggregationType type,
                                    String innerExpression)

Method Detail

getAliasName

public final Optional<String> getAliasName()

Description copied from interface: AliasAvailable

Get alias name.

Specified by:

getAliasName in interface AliasAvailable

Returns:

alias name

getAlias

public final Optional<AliasSegment> getAlias()

Description copied from interface: AliasAvailable

Get alias segment.

Specified by:

getAlias in interface AliasAvailable

Returns:

alias segment