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

类 ProjectionEngine

java.lang.Object

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

public final class ProjectionEngine
extends Object

Projection engine.

构造器概要

构造器

构造器和说明
ProjectionEngine()

方法概要

限定符和类型	方法和说明
Optional<Projection>	createProjection(String sql, Collection<org.apache.shardingsphere.sql.parser.sql.segment.generic.table.SimpleTableSegment> tableSegments, org.apache.shardingsphere.sql.parser.sql.segment.dml.item.ProjectionSegment projectionSegment) Create projection.

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

ProjectionEngine

public ProjectionEngine()

方法详细资料

createProjection

public Optional<Projection> createProjection(String sql,
                                             Collection<org.apache.shardingsphere.sql.parser.sql.segment.generic.table.SimpleTableSegment> tableSegments,
                                             org.apache.shardingsphere.sql.parser.sql.segment.dml.item.ProjectionSegment projectionSegment)

Create projection.

参数:

sql - SQL

tableSegments - table segments

projectionSegment - projection segment

返回:

projection