private boolean checkField(Field field) {
if (aggregateBy.isEmpty() || groupedSelectFields.contains(field) || field instanceof Expression)
return true;
for (Link link : aggregateBy) {
if (!link.owner().getPath(field).isEmpty()) return true;
}
return false;
}
private Collection<Query> filterUsedQueries(Collection<Query> queries) {
if (aggregateBy.isEmpty()) return queries;
Collection<Query> result = new HashSet<Query>();
for (Link link : aggregateBy) {
Query linkQuery = link.getQuery();
for (Query query : queries) {
if (linkQuery == query || !linkQuery.getPath(query).isEmpty()) result.add(query);
}
}
return result;
}