org.apache.shardingsphere.sql.parser.binder.segment.select.projection.impl

类 ColumnProjection

java.lang.Object

org.apache.shardingsphere.sql.parser.binder.segment.select.projection.impl.ColumnProjection

所有已实现的接口:

Projection

public final class ColumnProjection
extends Object
implements Projection

Common projection.

构造器概要

构造器

构造器和说明
ColumnProjection()

方法概要

限定符和类型	方法和说明
Optional<String>	getAlias() Get alias.
String	getColumnLabel() Get columnLabel.
String	getExpression() Get expression.
String	getExpressionWithAlias() Get expression with alias.

从类继承的方法 java.lang.Object

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

构造器详细资料

ColumnProjection

public ColumnProjection()

方法详细资料

getExpression

public String getExpression()

从接口复制的说明: Projection

Get expression.

指定者:

getExpression 在接口中 Projection

返回:

expression

getColumnLabel

public String getColumnLabel()

从接口复制的说明: Projection

Get columnLabel.

指定者:

getColumnLabel 在接口中 Projection

返回:

columnLabel

getAlias

public Optional<String> getAlias()

从接口复制的说明: Projection

Get alias.

指定者:

getAlias 在接口中 Projection

返回:

alias

getExpressionWithAlias

public String getExpressionWithAlias()

Get expression with alias.

返回:

expression with alias