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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/rocksdb/db/version_builder.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/db/version_builder.h')
-rw-r--r-- | src/rocksdb/db/version_builder.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/rocksdb/db/version_builder.h b/src/rocksdb/db/version_builder.h new file mode 100644 index 000000000..87415ed55 --- /dev/null +++ b/src/rocksdb/db/version_builder.h @@ -0,0 +1,48 @@ +// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). +// +// Copyright (c) 2011 The LevelDB Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. See the AUTHORS file for names of contributors. +// +#pragma once +#include "rocksdb/file_system.h" +#include "rocksdb/slice_transform.h" + +namespace ROCKSDB_NAMESPACE { + +class TableCache; +class VersionStorageInfo; +class VersionEdit; +struct FileMetaData; +class InternalStats; + +// A helper class so we can efficiently apply a whole sequence +// of edits to a particular state without creating intermediate +// Versions that contain full copies of the intermediate state. +class VersionBuilder { + public: + VersionBuilder(const FileOptions& file_options, TableCache* table_cache, + VersionStorageInfo* base_vstorage, Logger* info_log = nullptr); + ~VersionBuilder(); + Status CheckConsistency(VersionStorageInfo* vstorage); + Status CheckConsistencyForDeletes(VersionEdit* edit, uint64_t number, + int level); + bool CheckConsistencyForNumLevels(); + Status Apply(VersionEdit* edit); + Status SaveTo(VersionStorageInfo* vstorage); + Status LoadTableHandlers(InternalStats* internal_stats, int max_threads, + bool prefetch_index_and_filter_in_cache, + bool is_initial_load, + const SliceTransform* prefix_extractor); + void MaybeAddFile(VersionStorageInfo* vstorage, int level, FileMetaData* f); + + private: + class Rep; + Rep* rep_; +}; + +extern bool NewestFirstBySeqNo(FileMetaData* a, FileMetaData* b); +} // namespace ROCKSDB_NAMESPACE |