VolcanoPlanner.UnknownProvenance (Apache Calcite API)

java.lang.Object
- org.apache.calcite.plan.volcano.VolcanoPlanner.Provenance
- - org.apache.calcite.plan.volcano.VolcanoPlanner.UnknownProvenance

Enclosing class:

VolcanoPlanner
```
private static class VolcanoPlanner.UnknownProvenance
extends VolcanoPlanner.Provenance
```
We do not know where this RelNode came from. Probably created by hand, or by sql-to-rel converter.

- Field Summary
  - Fields inherited from class org.apache.calcite.plan.volcano.VolcanoPlanner.Provenance
    EMPTY
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private UnknownProvenance()
- Method Summary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - UnknownProvenance
```
private UnknownProvenance()
```