for (i = 0; ((bucket_id > i) || (bucket_id + i) <= identifier_size) && i < JOIN_BUCKETS_QUERIES; i++) {
if (bucket_id > i) {
unsigned int id_in_bucket = get_id_in_prefix(id_, bucket_id - i);
for (i = 0; ((bucket_id > i) || (bucket_id + i) <= identifier_size) && i < JOIN_BUCKETS_QUERIES; i++) {
if (bucket_id > i) {
unsigned int id_in_bucket = get_id_in_prefix(id_, bucket_id - i);