gudusoft.gsqlparser.ir.logical.rel

Class SetOp

Object

gudusoft.gsqlparser.ir.logical.RelNode

gudusoft.gsqlparser.ir.logical.rel.SetOp

public final class SetOp
extends RelNode

UNION / INTERSECT / EXCEPT set operation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SetOp.OpType

Constructor Summary

Constructors

Constructor and Description
SetOp(List<RelNode> inputs, SetOp.OpType opType, SourceAnchor anchor)

Method Summary

Modifier and Type	Method and Description
<R> R	accept(RelNodeVisitor<R> visitor) Accept method for the visitor pattern.
List<RelNode>	getInputs() Returns the child RelNodes of this node (for iterative traversal).
SetOp.OpType	getOpType()

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

SetOp

public SetOp(List<RelNode> inputs,
             SetOp.OpType opType,
             SourceAnchor anchor)

Method Detail

getOpType

public SetOp.OpType getOpType()

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