RelImplementor (Apache Calcite API)

All Known Implementing Classes:

EnumerableRelImplementor, JavaRelImplementor, SparkRel.Implementor, SparkToEnumerableConverter.SparkImplementorImpl
```
public interface RelImplementor
```
This is a marker interface for a callback used to convert a tree of relational expressions into a plan. Calling conventions typically have their own protocol for walking over a tree, and correspondingly have their own implementors

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  SqlConformance getConformance()
  Returns the desired SQL conformance.

- Method Detail
  - getConformance
```
SqlConformance getConformance()
```
    Returns the desired SQL conformance.