5567           Iterator* single_iter = nullptr;  in MixGraph()  local
5568           single_iter = db_with_cfh->db->NewIterator(options);  in MixGraph()
5569           if (single_iter != nullptr) {  in MixGraph()
5570             single_iter->Seek(key);  in MixGraph()
5573             if (single_iter->Valid() && single_iter->key().compare(key) == 0) {  in MixGraph()
5580             for (int64_t j = 0; j < scan_length && single_iter->Valid(); j++) {  in MixGraph()
5581               Slice value = single_iter->value();  in MixGraph()
5584               bytes += single_iter->key().size() + single_iter->value().size();  in MixGraph()
5585               single_iter->Next();  in MixGraph()
5586               assert(single_iter->status().ok());  in MixGraph()
5589           delete single_iter;  in MixGraph()
5638     Iterator* single_iter = nullptr;  in SeekRandom()  local
5641       single_iter = db_.db->NewIterator(options);  in SeekRandom()
5680           delete single_iter;  in SeekRandom()
5681           single_iter = db_.db->NewIterator(options);  in SeekRandom()
5693       Iterator* iter_to_use = single_iter;  in SeekRandom()
5694       if (single_iter == nullptr) {  in SeekRandom()
5727     delete single_iter;  in SeekRandom()