Method measure

core/src/main/java/org/apache/calcite/tools/Programs.java:286–291

(RelMetadataProvider metadataProvider)

  }

  public static Program measure(RelMetadataProvider metadataProvider) {
    return conditional(Programs::containsAggM2v,
        sequence(hep(MeasureRules.rules(), true, metadataProvider),
            subQuery(metadataProvider),
            new DecorrelateProgram()));
  }

  private static boolean containsAggM2v(RelNode rel) {
    return RelNodes.contains(rel,