gudusoft.gsqlparser.ir.logical

Class RexNode

Object

gudusoft.gsqlparser.ir.logical.RexNode

Direct Known Subclasses:

RexCall, RexCast, RexColumnRef, RexLiteral, RexParamRef, RexSubquery, RexWildcard

public abstract class RexNode
extends Object

Base class for all expression nodes in the Logical IR.

Immutable after construction. Traversal must be iterative (no recursion).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RexNode.RexKind

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RexNode(RexNode.RexKind kind, SourceAnchor anchor)

Method Summary

Modifier and Type	Method and Description
abstract <R> R	accept(RexNodeVisitor<R> visitor)
SourceAnchor	getAnchor()
RexNode.RexKind	getKind()
String	toString()

Methods inherited from class Object

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

Constructor Detail

RexNode

protected RexNode(RexNode.RexKind kind,
                  SourceAnchor anchor)

Method Detail

getKind

public RexNode.RexKind getKind()

getAnchor

public SourceAnchor getAnchor()

accept

public abstract <R> R accept(RexNodeVisitor<R> visitor)

toString

public String toString()

Overrides:

toString in class Object