179     index_ = flist_->empty() ? 0 : flist_->size() - 1;  in SeekToLast()
247     if (!files_[level].empty()) {  in AddIterators()
303   if (!tmp.empty()) {  in ForEachOverlapping()
368       if (tmp.empty()) continue;  in Get()
764       if (level > 0 && !files->empty()) {  in MaybeAddFile()
879     if (s.ok() && !new_manifest_file.empty()) {  in LogAndApply()
893     if (!new_manifest_file.empty()) {  in LogAndApply()
919   if (current.empty() || current[current.size()-1] != '\n') {  in Recover()
1111     if (!compact_pointer_[level].empty()) {  in WriteSnapshot()
1227   assert(!inputs.empty());  in GetRange()
1270     if (!c->inputs_[which].empty()) {  in MakeInputIterator()
1308       if (compact_pointer_[level].empty() ||  in PickCompaction()
1314     if (c->inputs_[0].empty()) {  in PickCompaction()
1337     assert(!c->inputs_[0].empty());  in PickCompaction()
1358   if (!c->inputs_[1].empty()) {  in SetupOtherInputs()
1419   if (inputs.empty()) {  in CompactRange()