org.apache.shardingsphere.core.parse.antlr.sql.segment.dml.expr

Class SubquerySegment

java.lang.Object

org.apache.shardingsphere.core.parse.antlr.sql.segment.dml.expr.SubquerySegment

All Implemented Interfaces:

AliasAvailable, ExpressionSegment, SelectItemSegment, SQLSegment

public final class SubquerySegment
extends Object
implements SelectItemSegment, ExpressionSegment, AliasAvailable

Subquery expression segment.

Author:

duhongjun

Constructor Summary

Constructors

Constructor and Description
SubquerySegment()

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<String>	getAlias() Get alias.
com.google.common.base.Optional<FromWhereSegment>	getFromWhereSegment() Get from where segment.
com.google.common.base.Optional<GroupBySegment>	getGroupBySegment() Get group by segment.
com.google.common.base.Optional<OrderBySegment>	getOrderBySegment() Get order by segment.
com.google.common.base.Optional<SelectClauseSegment>	getSelectClauseSegment() Get select clause segment.
SQLExpression	getSQLExpression(String sql) Get SQL Expression.
void	setAlias(String alias) Set 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.core.parse.antlr.sql.segment.dml.expr.ExpressionSegment

getStartIndex, getStopIndex

Constructor Detail

SubquerySegment

public SubquerySegment()

Method Detail

getSelectClauseSegment

public com.google.common.base.Optional<SelectClauseSegment> getSelectClauseSegment()

Get select clause segment.

Returns:

select clause segment

getFromWhereSegment

public com.google.common.base.Optional<FromWhereSegment> getFromWhereSegment()

Get from where segment.

Returns:

from where segment

getGroupBySegment

public com.google.common.base.Optional<GroupBySegment> getGroupBySegment()

Get group by segment.

Returns:

group by segment

getOrderBySegment

public com.google.common.base.Optional<OrderBySegment> getOrderBySegment()

Get order by segment.

Returns:

order by segment

getAlias

public com.google.common.base.Optional<String> getAlias()

Description copied from interface: AliasAvailable

Get alias.

Specified by:

getAlias in interface AliasAvailable

Returns:

alias

setAlias

public void setAlias(String alias)

Description copied from interface: AliasAvailable

Set alias.

Specified by:

setAlias in interface AliasAvailable

Parameters:

alias - alias

getSQLExpression

public SQLExpression getSQLExpression(String sql)

Description copied from interface: ExpressionSegment

Get SQL Expression.

Specified by:

getSQLExpression in interface ExpressionSegment

Parameters:

sql - SQL text

Returns:

SQL expression