23   explicit StackableDB(DB* db) : db_(db) {}  in StackableDB()
27       : db_(db.get()), shared_db_ptr_(db) {}  in StackableDB()
31       delete db_;  in ~StackableDB()  local
33       assert(shared_db_ptr_.get() == db_);  in ~StackableDB()
35     db_ = nullptr;  in ~StackableDB()
38   virtual Status Close() override { return db_->Close(); }  in Close()
40   virtual DB* GetBaseDB() { return db_; }  in GetBaseDB()
42   virtual DB* GetRootDB() override { return db_->GetRootDB(); }  in GetRootDB()
47     return db_->CreateColumnFamily(options, column_family_name, handle);  in CreateColumnFamily()
54     return db_->CreateColumnFamilies(options, column_family_names, handles);  in CreateColumnFamilies()
60     return db_->CreateColumnFamilies(column_families, handles);  in CreateColumnFamilies()
64     return db_->DropColumnFamily(column_family);  in DropColumnFamily()
69     return db_->DropColumnFamilies(column_families);  in DropColumnFamilies()
74     return db_->DestroyColumnFamilyHandle(column_family);  in DestroyColumnFamilyHandle()
81     return db_->Put(options, column_family, key, val);  in Put()
88     return db_->Get(options, column_family, key, value);  in Get()
97     return db_->GetMergeOperands(options, column_family, key, slice,  in GetMergeOperands()
108     return db_->MultiGet(options, column_family, keys, values);  in MultiGet()
116     return db_->MultiGet(options, column_family, num_keys, keys,
125     return db_->IngestExternalFile(column_family, external_files, options);  in IngestExternalFile()
131     return db_->IngestExternalFiles(args);  in IngestExternalFiles()
140     return db_->CreateColumnFamilyWithImport(options, column_family_name,  in CreateColumnFamilyWithImport()
144   virtual Status VerifyChecksum() override { return db_->VerifyChecksum(); }  in VerifyChecksum()
147     return db_->VerifyChecksum(options);  in VerifyChecksum()
155     return db_->KeyMayExist(options, column_family, key, value, value_found);
162     return db_->Delete(wopts, column_family, key);  in Delete()
169     return db_->SingleDelete(wopts, column_family, key);  in SingleDelete()
176     return db_->Merge(options, column_family, key, value);  in Merge()
180     return db_->Write(opts, updates);  in Write()
186     return db_->NewIterator(opts, column_family);  in NewIterator()
193     return db_->NewIterators(options, column_families, iterators);  in NewIterators()
196   virtual const Snapshot* GetSnapshot() override { return db_->GetSnapshot(); }  in GetSnapshot()
199     return db_->ReleaseSnapshot(snapshot);  in ReleaseSnapshot()
206     return db_->GetProperty(column_family, property, value);  in GetProperty()
211     return db_->GetMapProperty(column_family, property, value);  in GetMapProperty()
217     return db_->GetIntProperty(column_family, property, value);  in GetIntProperty()
223     return db_->GetAggregatedIntProperty(property, value);  in GetAggregatedIntProperty()
231     return db_->GetApproximateSizes(options, column_family, r, n, sizes);  in GetApproximateSizes()
239     return db_->GetApproximateMemTableStats(column_family, range, count, size);  in GetApproximateMemTableStats()
246     return db_->CompactRange(options, column_family, begin, end);  in CompactRange()
257     return db_->CompactFiles(compact_options, column_family, input_file_names,
263     return db_->PauseBackgroundWork();  in PauseBackgroundWork()
266     return db_->ContinueBackgroundWork();  in ContinueBackgroundWork()
271     return db_->EnableAutoCompaction(column_family_handles);  in EnableAutoCompaction()
275     return db_->EnableManualCompaction();  in EnableManualCompaction()
278     return db_->DisableManualCompaction();  in DisableManualCompaction()
283     return db_->NumberLevels(column_family);  in NumberLevels()
289     return db_->MaxMemCompactionLevel(column_family);  in MaxMemCompactionLevel()
295     return db_->Level0StopWriteTrigger(column_family);  in Level0StopWriteTrigger()
298   virtual const std::string& GetName() const override { return db_->GetName(); }  in GetName()
300   virtual Env* GetEnv() const override { return db_->GetEnv(); }  in GetEnv()
303     return db_->GetFileSystem();  in GetFileSystem()
308     return db_->GetOptions(column_family);  in GetOptions()
313     return db_->GetDBOptions();  in GetDBOptions()
319     return db_->Flush(fopts, column_family);  in Flush()
324     return db_->Flush(fopts, column_families);  in Flush()
327   virtual Status SyncWAL() override { return db_->SyncWAL(); }  in SyncWAL()
329   virtual Status FlushWAL(bool sync) override { return db_->FlushWAL(sync); }  in FlushWAL()
331   virtual Status LockWAL() override { return db_->LockWAL(); }  in LockWAL()
333   virtual Status UnlockWAL() override { return db_->UnlockWAL(); }  in UnlockWAL()
338     return db_->DisableFileDeletions();  in DisableFileDeletions()
342     return db_->EnableFileDeletions(force);  in EnableFileDeletions()
347     db_->GetLiveFilesMetaData(metadata);  in GetLiveFilesMetaData()
352     db_->GetColumnFamilyMetaData(column_family, cf_meta);  in GetColumnFamilyMetaData()
359     return db_->StartBlockCacheTrace(options, std::move(trace_writer));  in StartBlockCacheTrace()
363   Status EndBlockCacheTrace() override { return db_->EndBlockCacheTrace(); }  in EndBlockCacheTrace()
369     return db_->GetLiveFiles(vec, mfs, flush_memtable);
373     return db_->GetLatestSequenceNumber();  in GetLatestSequenceNumber()
378     return db_->SetPreserveDeletesSequenceNumber(seqnum);  in SetPreserveDeletesSequenceNumber()
382     return db_->GetSortedWalFiles(files);  in GetSortedWalFiles()
387     return db_->GetCurrentWalFile(current_log_file);  in GetCurrentWalFile()
392     return db_->GetCreationTimeOfOldestFile(creation_time);  in GetCreationTimeOfOldestFile()
396     return db_->DeleteFile(name);  in DeleteFile()
400     return db_->GetDbIdentity(identity);  in GetDbIdentity()
407     return db_->SetOptions(column_family_handle, new_options);  in SetOptions()
413     return db_->SetDBOptions(new_options);  in SetDBOptions()
417   virtual Status ResetStats() override { return db_->ResetStats(); }  in ResetStats()
423     return db_->GetPropertiesOfAllTables(column_family, props);  in GetPropertiesOfAllTables()
430     return db_->GetPropertiesOfTablesInRange(column_family, range, n, props);  in GetPropertiesOfTablesInRange()
436     return db_->GetUpdatesSince(seq_number, iter, read_options);  in GetUpdatesSince()
442     return db_->SuggestCompactRange(column_family, begin, end);  in SuggestCompactRange()
447     return db_->PromoteL0(column_family, target_level);  in PromoteL0()
451     return db_->DefaultColumnFamily();  in DefaultColumnFamily()
456     return db_->TryCatchUpWithPrimary();  in TryCatchUpWithPrimary()
461   DB* db_;