gudusoft.gsqlparser.ir.logical.rel

Class Project

Object

gudusoft.gsqlparser.ir.logical.RelNode

gudusoft.gsqlparser.ir.logical.rel.Project

public final class Project
extends RelNode

SELECT columns/expressions projection.

Constructor Summary

Constructors

Constructor and Description
Project(RelNode input, List<RexNode> expressions, List<String> aliases, SourceAnchor anchor)

Method Summary

Modifier and Type	Method and Description
<R> R	accept(RelNodeVisitor<R> visitor) Accept method for the visitor pattern.
List<String>	getAliases()
List<RexNode>	getExpressions()
RelNode	getInput()
List<RelNode>	getInputs() Returns the child RelNodes of this node (for iterative traversal).

Methods inherited from class gudusoft.gsqlparser.ir.logical.RelNode

getAnchor, getKind, toString

Methods inherited from class Object

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

Constructor Detail

Project

public Project(RelNode input,
               List<RexNode> expressions,
               List<String> aliases,
               SourceAnchor anchor)

Method Detail

getInput

public RelNode getInput()

getExpressions

public List<RexNode> getExpressions()

getAliases

public List<String> getAliases()

getInputs

public List<RelNode> getInputs()

Description copied from class: RelNode

Returns the child RelNodes of this node (for iterative traversal).

Specified by:

getInputs in class RelNode

accept

public <R> R accept(RelNodeVisitor<R> visitor)

Description copied from class: RelNode

Accept method for the visitor pattern.

Specified by:

accept in class RelNode