ceph/src/rocksdb/include/rocksdb/utilities/option_change_migration.h

   1 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under the BSD-style license found in the
   3 //  LICENSE file in the root directory of this source tree. An additional grant
   4 //  of patent rights can be found in the PATENTS file in the same directory.
   5
   6 #pragma once
   7
   8 #include <string>
   9 #include "rocksdb/options.h"
  10 #include "rocksdb/status.h"
  11
  12 namespace rocksdb {
  13 // Try to migrate DB created with old_opts to be use new_opts.
  14 // Multiple column families is not supported.
  15 // It is best-effort. No guarantee to succeed.
  16 // A full compaction may be executed.
  17 Status OptionChangeMigration(std::string dbname, const Options& old_opts,
  18                              const Options& new_opts);
  19 }  // namespace rocksdb