private static class RelOptUtil.VariableSetVisitor extends RelVisitor
Modifier and Type | Field and Description |
---|---|
(package private) java.util.Set<CorrelationId> |
variables |
Modifier | Constructor and Description |
---|---|
private |
VariableSetVisitor() |
Modifier and Type | Method and Description |
---|---|
void |
visit(RelNode p,
int ordinal,
RelNode parent)
Visits a node during a traversal.
|
go, replaceRoot
final java.util.Set<CorrelationId> variables
public void visit(RelNode p, int ordinal, RelNode parent)
RelVisitor
visit
in class RelVisitor
p
- Node to visitordinal
- Ordinal of node within its parentparent
- Parent of the node, or null if it is the root of the
traversalCopyright © 2012–2019 The Apache Software Foundation. All rights reserved.