org.apache.shardingsphere.sql.parser.relation.segment.select.projection.engine

Class ProjectionEngine

java.lang.Object

org.apache.shardingsphere.sql.parser.relation.segment.select.projection.engine.ProjectionEngine

public final class ProjectionEngine
extends Object

Projection engine.

Author:

zhangliang

Constructor Summary

Constructors

Constructor and Description
ProjectionEngine()

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<Projection>	createProjection(String sql, SelectItemSegment selectItemSegment) Create projection.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectionEngine

public ProjectionEngine()

Method Detail

createProjection

public com.google.common.base.Optional<Projection> createProjection(String sql,
                                                                    SelectItemSegment selectItemSegment)

Create projection.

Parameters:

sql - SQL

selectItemSegment - select item segment

Returns:

projection