68     : comparator_(cmp),  in MemTable()
81           comparator_, &arena_, mutable_cf_options.prefix_extractor.get(),  in MemTable()
84           comparator_, &arena_, nullptr /* transform */, ioptions.info_log,  in MemTable()
284         comparator_(mem.comparator_),  in MemTableIterator()
362     while (Valid() && comparator_.comparator.Compare(k, key()) < 0) {  in SeekForPrev()
411   const MemTable::KeyComparator comparator_;  member in ROCKSDB_NAMESPACE::MemTableIterator
439           comparator_.comparator);  in NewRangeTombstoneIterator()
442       fragmented_tombstone_list, comparator_.comparator, read_seq);  in NewRangeTombstoneIterator()
962     if (comparator_.comparator.user_comparator()->Equal(  in Update()
1021     if (comparator_.comparator.user_comparator()->Equal(  in UpdateCallback()
1092     if (!comparator_.comparator.user_comparator()->Equal(  in CountSuccessiveMergeEntries()