rocksdb/table/block_based_table_factory.h
奏之章 70440f7a63 Add virtual func IsDeleteRangeSupported
Summary:
this modify allows third-party tables able to support delete range
Closes https://github.com/facebook/rocksdb/pull/2035

Differential Revision: D5407973

Pulled By: ajkr

fbshipit-source-id: 82e364b7dd5a198660788d59543f15b8f95cc418
2017-07-12 16:58:45 -07:00

70 lines
2.2 KiB
C++

// Copyright (c) 2011-present, 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.
// This source code is also licensed under the GPLv2 license found in the
// COPYING file in the root directory of this source tree.
//
// 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 TableReaderOptions& table_reader_options,
unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
unique_ptr<TableReader>* table_reader,
bool prefetch_index_and_filter_in_cache = true) const override;
TableBuilder* NewTableBuilder(
const TableBuilderOptions& table_builder_options,
uint32_t column_family_id, 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& table_options() const;
void* GetOptions() override { return &table_options_; }
bool IsDeleteRangeSupported() const override { return true; }
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