885   ~LevelIterator() override { delete file_iter_.Set(nullptr); }  in ~LevelIterator()
895   bool Valid() const override { return file_iter_.Valid(); }  in Valid()
898     return file_iter_.key();  in key()
903     return file_iter_.value();  in value()
907     return file_iter_.iter() ? file_iter_.status() : Status::OK();  in status()
912     return may_be_out_of_lower_bound_ && file_iter_.MayBeOutOfLowerBound();  in MayBeOutOfLowerBound()
917     return file_iter_.MayBeOutOfUpperBound();  in MayBeOutOfUpperBound()
922     if (file_iter_.iter()) {  in SetPinnedItersMgr()
923       file_iter_.SetPinnedItersMgr(pinned_iters_mgr);  in SetPinnedItersMgr()
929            file_iter_.iter() && file_iter_.IsKeyPinned();  in IsKeyPinned()
934            file_iter_.iter() && file_iter_.IsValuePinned();  in IsValuePinned()
947     file_iter_.Next();  in NextImpl()
1019   IteratorWrapper file_iter_;  // May be nullptr  member in ROCKSDB_NAMESPACE::__anonc84eced60311::LevelIterator
1030   if (file_iter_.iter() != nullptr && file_index_ < flevel_->num_files) {  in Seek()
1047   if (file_iter_.iter() != nullptr) {  in Seek()
1048     file_iter_.Seek(target);  in Seek()
1052       file_iter_.iter() != nullptr && file_iter_.Valid()) {  in Seek()
1068     Slice file_user_key = ExtractUserKey(file_iter_.key());  in Seek()
1087   if (file_iter_.iter() != nullptr) {  in SeekForPrev()
1088     file_iter_.SeekForPrev(target);  in SeekForPrev()
1096   if (file_iter_.iter() != nullptr) {  in SeekToFirst()
1097     file_iter_.SeekToFirst();  in SeekToFirst()
1105   if (file_iter_.iter() != nullptr) {  in SeekToLast()
1106     file_iter_.SeekToLast();  in SeekToLast()
1126   file_iter_.Prev();  in Prev()
1132   while (file_iter_.iter() == nullptr ||  in SkipEmptyFileForward()
1133          (!file_iter_.Valid() && file_iter_.status().ok() &&  in SkipEmptyFileForward()
1134           !file_iter_.iter()->IsOutOfBound())) {  in SkipEmptyFileForward()
1147     if (file_iter_.iter() != nullptr) {  in SkipEmptyFileForward()
1148       file_iter_.SeekToFirst();  in SkipEmptyFileForward()
1155   while (file_iter_.iter() == nullptr ||  in SkipEmptyFileBackward()
1156          (!file_iter_.Valid() && file_iter_.status().ok())) {  in SkipEmptyFileBackward()
1164     if (file_iter_.iter() != nullptr) {  in SkipEmptyFileBackward()
1165       file_iter_.SeekToLast();  in SkipEmptyFileBackward()
1175   InternalIterator* old_iter = file_iter_.Set(iter);  in SetFileIterator()
1193     if (file_iter_.iter() != nullptr && !file_iter_.status().IsIncomplete() &&  in InitFileIterator()