org.apache.shardingsphere.infra.binder.segment.select.projection.engine

Class ProjectionEngine

java.lang.Object

org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionEngine

public final class ProjectionEngine
extends Object

Projection engine.

Constructor Summary

Constructors

Constructor and Description
ProjectionEngine()

Method Summary

Modifier and Type	Method and Description
Optional<Projection>	createProjection(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tableSegments, org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionSegment projectionSegment) 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 Optional<Projection> createProjection(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tableSegments,
                                             org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionSegment projectionSegment)

Create projection.

Parameters:

tableSegments - table segments

projectionSegment - projection segment

Returns:

projection