71     bool operator()(FileMetaData* f1, FileMetaData* f2) const {  in operator ()()
74           return NewestFirstBySeqNo(f1, f2);  in operator ()()
76           return BySmallestKey(f1, f2, internal_comparator);  in operator ()()
234         auto f2 = level_files[i];  in CheckConsistency()  local
236         auto pair = std::make_pair(&f1, &f2);  in CheckConsistency()
240           if (!level_zero_cmp_(f1, f2)) {  in CheckConsistency()
245           if (f2->fd.smallest_seqno == f2->fd.largest_seqno) {  in CheckConsistency()
247             SequenceNumber external_file_seqno = f2->fd.smallest_seqno;  in CheckConsistency()
263           } else if (f1->fd.smallest_seqno <= f2->fd.smallest_seqno) {  in CheckConsistency()
268                     f2->fd.smallest_seqno, f2->fd.largest_seqno);  in CheckConsistency()
273                 NumberToString(f2->fd.smallest_seqno) + " " +  in CheckConsistency()
274                 NumberToString(f2->fd.largest_seqno) + " " +  in CheckConsistency()
275                 NumberToString(f2->fd.GetNumber()));  in CheckConsistency()
278           if (!level_nonzero_cmp_(f1, f2)) {  in CheckConsistency()
286                                                       f2->smallest) >= 0) {  in CheckConsistency()
289                     (f2->smallest).DebugString(true).c_str());  in CheckConsistency()
293                 (f2->smallest).DebugString(true));  in CheckConsistency()