private MongoValuesRule(MongoConvention out) { super( LogicalValues.class, Convention.NONE, out, "MongoValuesRule"); } @Override public RelNode convert(RelNode rel) { LogicalValues valuesRel = (LogicalValues) rel; return new MongoValuesRel( valuesRel.getCluster(), valuesRel.getRowType(), valuesRel.getTuples(), valuesRel.getTraitSet().plus(out)); }