28   if (!cfh->cfd()->ioptions()->merge_operator) {  in Merge()
1196   for (ColumnFamilyData* cfd : *versions_->GetColumnFamilySet()) {  in SelectColumnFamiliesForAtomicFlush()
1197     if (cfd->IsDropped()) {  in SelectColumnFamiliesForAtomicFlush()
1200     if (cfd->imm()->NumNotFlushed() != 0 || !cfd->mem()->IsEmpty() ||  in SelectColumnFamiliesForAtomicFlush()
1202       cfds->push_back(cfd);  in SelectColumnFamiliesForAtomicFlush()
1211   for (auto cfd : cfds) {  in AssignAtomicFlushSeq()  local
1212     cfd->imm()->AssignAtomicFlushSeq(seq);  in AssignAtomicFlushSeq()
1269     for (auto cfd : *versions_->GetColumnFamilySet()) {  in SwitchWAL()
1270       if (cfd->IsDropped()) {  in SwitchWAL()
1273       if (cfd->OldestLogToKeep() <= oldest_alive_log) {  in SwitchWAL()
1274         cfds.push_back(cfd);  in SwitchWAL()
1284   for (const auto cfd : cfds) {  in SwitchWAL()  local
1285     cfd->Ref();  in SwitchWAL()
1286     status = SwitchMemtable(cfd, write_context);  in SwitchWAL()
1287     cfd->UnrefAndTryDelete();  in SwitchWAL()
1300     for (auto cfd : cfds) {  in SwitchWAL()  local
1301       cfd->imm()->FlushRequested();  in SwitchWAL()
1336     for (auto cfd : *versions_->GetColumnFamilySet()) {  in HandleWriteBufferFull()
1337       if (cfd->IsDropped()) {  in HandleWriteBufferFull()
1340       if (!cfd->mem()->IsEmpty()) {  in HandleWriteBufferFull()
1343         uint64_t seq = cfd->mem()->GetCreationSeq();  in HandleWriteBufferFull()
1345           cfd_picked = cfd;  in HandleWriteBufferFull()
1360   for (const auto cfd : cfds) {  in HandleWriteBufferFull()  local
1361     if (cfd->mem()->IsEmpty()) {  in HandleWriteBufferFull()
1364     cfd->Ref();  in HandleWriteBufferFull()
1365     status = SwitchMemtable(cfd, write_context);  in HandleWriteBufferFull()
1366     cfd->UnrefAndTryDelete();  in HandleWriteBufferFull()
1379     for (const auto cfd : cfds) {  in HandleWriteBufferFull()  local
1380       cfd->imm()->FlushRequested();  in HandleWriteBufferFull()
1512       for (ColumnFamilyData* cfd : *cfds) {  in MaybeFlushStatsCF()
1513         if (cfd == cfd_stats) {  in MaybeFlushStatsCF()
1546   for (auto& cfd : cfds) {  in TrimMemtableHistory()  local
1548     cfd->imm()->TrimHistory(&to_delete, cfd->mem()->ApproximateMemoryUsage());  in TrimMemtableHistory()
1555       cfd->InstallSuperVersion(&context->superversion_context, &mutex_);  in TrimMemtableHistory()
1558     if (cfd->UnrefAndTryDelete()) {  in TrimMemtableHistory()
1559       cfd = nullptr;  in TrimMemtableHistory()
1569     for (auto cfd : cfds) {  in ScheduleFlushes()  local
1570       cfd->Ref();  in ScheduleFlushes()
1586   for (auto& cfd : cfds) {  in ScheduleFlushes()  local
1587     if (!cfd->mem()->IsEmpty()) {  in ScheduleFlushes()
1588       status = SwitchMemtable(cfd, context);  in ScheduleFlushes()
1590     if (cfd->UnrefAndTryDelete()) {  in ScheduleFlushes()
1591       cfd = nullptr;  in ScheduleFlushes()
1634 Status DBImpl::SwitchMemtable(ColumnFamilyData* cfd, WriteContext* context) {  in SwitchMemtable()  argument
1665   const MutableCFOptions mutable_cf_options = *cfd->GetLatestMutableCFOptions();  in SwitchMemtable()
1670   memtable_info.cf_name = cfd->GetName();  in SwitchMemtable()
1671   memtable_info.first_seqno = cfd->mem()->GetFirstSequenceNumber();  in SwitchMemtable()
1672   memtable_info.earliest_seqno = cfd->mem()->GetEarliestSequenceNumber();  in SwitchMemtable()
1673   memtable_info.num_entries = cfd->mem()->num_entries();  in SwitchMemtable()
1674   memtable_info.num_deletes = cfd->mem()->num_deletes();  in SwitchMemtable()
1678   int num_imm_unflushed = cfd->imm()->NumNotFlushed();  in SwitchMemtable()
1690     new_mem = cfd->ConstructNewMemtable(mutable_cf_options, seq);  in SwitchMemtable()
1696                  cfd->GetName().c_str(), new_log_number, num_imm_unflushed);  in SwitchMemtable()
1717                        cfd->GetName().c_str(), cur_log_writer->get_log_number(),  in SwitchMemtable()
1767   cfd->mem()->SetNextLogNumber(logfile_number_);  in SwitchMemtable()
1768   cfd->imm()->Add(cfd->mem(), &context->memtables_to_free_);  in SwitchMemtable()
1770   cfd->SetMemtable(new_mem);  in SwitchMemtable()
1771   InstallSuperVersionAndScheduleWork(cfd, &context->superversion_context,  in SwitchMemtable()
1777   NotifyOnMemTableSealed(cfd, memtable_info);  in SwitchMemtable()