org.apache.calcite.plan.volcano

Class VolcanoPlanner.Provenance

java.lang.Object

org.apache.calcite.plan.volcano.VolcanoPlanner.Provenance

Direct Known Subclasses:

VolcanoPlanner.DirectProvenance, VolcanoPlanner.RuleProvenance, VolcanoPlanner.UnknownProvenance

Enclosing class:

VolcanoPlanner

private abstract static class VolcanoPlanner.Provenance
extends Object

Where a RelNode came from.

Field Summary

Fields

Modifier and Type	Field and Description
static VolcanoPlanner.Provenance	EMPTY

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Provenance()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final VolcanoPlanner.Provenance EMPTY

Constructor Detail

Provenance

private Provenance()