private List<Field> getAggregatedFieldsFromRoot() {
List<Field> result = new ArrayList<Field>();
result.addAll(aggregateBy);
for (Field field : action.getSelectFields()) {
if (field.owner() == action.getRootQuery() || field.owner() == action.getQuery()) {
if (field.getAggregation() != Aggregation.None) result.add(field);
}
}
return result;
}
