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

Class ExpressionProjectionSegment

java.lang.Object

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

All Implemented Interfaces:

ASTNode, ComplexExpressionSegment, ExpressionSegment, ProjectionSegment, AliasAvailable, SQLSegment

public final class ExpressionProjectionSegment
extends Object
implements ProjectionSegment, ComplexExpressionSegment, AliasAvailable

Expression projection segment.

Constructor Summary

Constructors

Constructor	Description
ExpressionProjectionSegment(int startIndex, int stopIndex, String text)
ExpressionProjectionSegment(int startIndex, int stopIndex, String text, ExpressionSegment expr)

Method Summary

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

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.dml.expr.complex.ComplexExpressionSegment

getText

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

getStartIndex

Constructor Detail

ExpressionProjectionSegment

public ExpressionProjectionSegment(int startIndex,
                                   int stopIndex,
                                   String text)

ExpressionProjectionSegment

public ExpressionProjectionSegment(int startIndex,
                                   int stopIndex,
                                   String text,
                                   ExpressionSegment expr)

Method Detail

getAliasName

public Optional<String> getAliasName()

Description copied from interface: AliasAvailable

Get alias name.

Specified by:

getAliasName in interface AliasAvailable

Returns:

alias name

getAlias

public Optional<AliasSegment> getAlias()

Description copied from interface: AliasAvailable

Get alias segment.

Specified by:

getAlias in interface AliasAvailable

Returns:

alias segment

getStopIndex

public int getStopIndex()

Description copied from interface: SQLSegment

Get stop index.

Specified by:

getStopIndex in interface SQLSegment

Returns:

stop index