41ff125a8a
Summary: `CompactedDB` is a kind of read-only DB, so it shouldn't support `SyncWAL`. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7788 Test Plan: watch existing tests to pass. Reviewed By: akankshamahajan15 Differential Revision: D25661209 Pulled By: cheng-chang fbshipit-source-id: 9eb2cc3f73736dcc205c8410e5944aa203f002d3
119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#ifndef ROCKSDB_LITE
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#include <string>
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#include <vector>
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#include "db/db_impl/db_impl.h"
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namespace ROCKSDB_NAMESPACE {
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class CompactedDBImpl : public DBImpl {
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public:
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CompactedDBImpl(const DBOptions& options, const std::string& dbname);
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// No copying allowed
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CompactedDBImpl(const CompactedDBImpl&) = delete;
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void operator=(const CompactedDBImpl&) = delete;
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virtual ~CompactedDBImpl();
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static Status Open(const Options& options, const std::string& dbname,
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DB** dbptr);
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// Implementations of the DB interface
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using DB::Get;
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virtual Status Get(const ReadOptions& options,
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ColumnFamilyHandle* column_family, const Slice& key,
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PinnableSlice* value) override;
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using DB::MultiGet;
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virtual std::vector<Status> MultiGet(
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const ReadOptions& options,
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const std::vector<ColumnFamilyHandle*>&,
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const std::vector<Slice>& keys, std::vector<std::string>* values)
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override;
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using DBImpl::Put;
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virtual Status Put(const WriteOptions& /*options*/,
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ColumnFamilyHandle* /*column_family*/,
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const Slice& /*key*/, const Slice& /*value*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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using DBImpl::Merge;
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virtual Status Merge(const WriteOptions& /*options*/,
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ColumnFamilyHandle* /*column_family*/,
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const Slice& /*key*/, const Slice& /*value*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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using DBImpl::Delete;
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virtual Status Delete(const WriteOptions& /*options*/,
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ColumnFamilyHandle* /*column_family*/,
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const Slice& /*key*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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virtual Status Write(const WriteOptions& /*options*/,
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WriteBatch* /*updates*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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using DBImpl::CompactRange;
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virtual Status CompactRange(const CompactRangeOptions& /*options*/,
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ColumnFamilyHandle* /*column_family*/,
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const Slice* /*begin*/,
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const Slice* /*end*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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virtual Status DisableFileDeletions() override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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virtual Status EnableFileDeletions(bool /*force*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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virtual Status GetLiveFiles(std::vector<std::string>& ret,
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uint64_t* manifest_file_size,
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bool /*flush_memtable*/) override {
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return DBImpl::GetLiveFiles(ret, manifest_file_size,
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false /* flush_memtable */);
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}
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using DBImpl::Flush;
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virtual Status Flush(const FlushOptions& /*options*/,
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ColumnFamilyHandle* /*column_family*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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virtual Status SyncWAL() override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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using DB::IngestExternalFile;
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virtual Status IngestExternalFile(
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ColumnFamilyHandle* /*column_family*/,
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const std::vector<std::string>& /*external_files*/,
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const IngestExternalFileOptions& /*ingestion_options*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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using DB::CreateColumnFamilyWithImport;
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virtual Status CreateColumnFamilyWithImport(
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const ColumnFamilyOptions& /*options*/,
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const std::string& /*column_family_name*/,
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const ImportColumnFamilyOptions& /*import_options*/,
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const ExportImportFilesMetaData& /*metadata*/,
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ColumnFamilyHandle** /*handle*/) override {
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return Status::NotSupported("Not supported in compacted db mode.");
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}
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private:
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friend class DB;
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inline size_t FindFile(const Slice& key);
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Status Init(const Options& options);
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ColumnFamilyData* cfd_;
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Version* version_;
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const Comparator* user_comparator_;
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LevelFilesBrief files_;
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};
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} // namespace ROCKSDB_NAMESPACE
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#endif // ROCKSDB_LITE
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