119   if (!ioptions.compression_per_level.empty()) {  in GetCompressionType()
171   assert(!inputs.empty());  in GetRange()
200   assert(!inputs1.empty() || !inputs2.empty());  in GetRange()
201   if (inputs1.empty()) {  in GetRange()
203   } else if (inputs2.empty()) {  in GetRange()
222     if (in.empty()) {  in GetRange()
247   assert(!inputs->empty());  in ExpandInputsToCleanCut()
274   assert(!inputs->empty());  in ExpandInputsToCleanCut()
304     if (!in.empty()) {  in FilesRangeOverlapWithCompaction()
399   if (!input_set->empty()) {  in GetCompactionInputsFromFileNumbers()
446   assert(!inputs->empty());  in SetupOtherInputs()
447   assert(output_level_inputs->empty());  in SetupOtherInputs()
474   if (!output_level_inputs->empty()) {  in SetupOtherInputs()
485   if (!output_level_inputs->empty()) {  in SetupOtherInputs()
515       assert(!expanded_output_level_inputs.empty());  in SetupOtherInputs()
599     if ((start_level == 0) && (!level0_compactions_in_progress_.empty())) {  in CompactRange()
656   if (inputs.empty()) {  in CompactRange()
660   if ((input_level == 0) && (!level0_compactions_in_progress_.empty())) {  in CompactRange()
700       } else if (!inputs_shrunk.empty()) {  in CompactRange()
707     if (inputs_shrunk.empty()) {  in CompactRange()
759   if (!output_level_inputs.empty()) {  in CompactRange()
1062   if (vstorage->FilesMarkedForCompaction().empty()) {  in PickFilesMarkedForCompaction()
1075     if (*start_level == 0 && !level0_compactions_in_progress()->empty()) {  in PickFilesMarkedForCompaction()
1108   assert(level0_compactions_in_progress()->empty());  in GetOverlappingL0Files()
1126   assert(!start_level_inputs->files.empty());  in GetOverlappingL0Files()