mirror of https://github.com/facebook/rocksdb.git
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same 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 <stdint.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "rocksdb/flush_block_policy.h"
|
|
#include "rocksdb/table.h"
|
|
#include "db/dbformat.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
struct EnvOptions;
|
|
|
|
using std::unique_ptr;
|
|
class BlockBasedTableBuilder;
|
|
|
|
class BlockBasedTableFactory : public TableFactory {
|
|
public:
|
|
explicit BlockBasedTableFactory(
|
|
const BlockBasedTableOptions& table_options = BlockBasedTableOptions());
|
|
|
|
~BlockBasedTableFactory() {}
|
|
|
|
const char* Name() const override { return "BlockBasedTable"; }
|
|
|
|
Status NewTableReader(const ImmutableCFOptions& ioptions,
|
|
const EnvOptions& soptions,
|
|
const InternalKeyComparator& internal_comparator,
|
|
unique_ptr<RandomAccessFileReader>&& file,
|
|
uint64_t file_size,
|
|
unique_ptr<TableReader>* table_reader) const override {
|
|
return NewTableReader(ioptions, soptions, internal_comparator,
|
|
std::move(file), file_size, table_reader,
|
|
/*prefetch_index_and_filter=*/true);
|
|
}
|
|
|
|
// This is a variant of virtual member function NewTableReader function with
|
|
// added capability to disable pre-fetching of blocks on BlockBasedTable::Open
|
|
Status NewTableReader(const ImmutableCFOptions& ioptions,
|
|
const EnvOptions& soptions,
|
|
const InternalKeyComparator& internal_comparator,
|
|
unique_ptr<RandomAccessFileReader>&& file,
|
|
uint64_t file_size,
|
|
unique_ptr<TableReader>* table_reader,
|
|
bool prefetch_index_and_filter) const;
|
|
|
|
TableBuilder* NewTableBuilder(
|
|
const TableBuilderOptions& table_builder_options,
|
|
WritableFileWriter* file) const override;
|
|
|
|
// Sanitizes the specified DB Options.
|
|
Status SanitizeOptions(const DBOptions& db_opts,
|
|
const ColumnFamilyOptions& cf_opts) const override;
|
|
|
|
std::string GetPrintableTableOptions() const override;
|
|
|
|
const BlockBasedTableOptions& GetTableOptions() const;
|
|
|
|
private:
|
|
BlockBasedTableOptions table_options_;
|
|
};
|
|
|
|
extern const std::string kHashIndexPrefixesBlock;
|
|
extern const std::string kHashIndexPrefixesMetadataBlock;
|
|
extern const std::string kPropTrue;
|
|
extern const std::string kPropFalse;
|
|
|
|
} // namespace rocksdb
|