rocksdb/table/block_based_table_factory.h
sdong 68af7811ea Remember whole key/prefix filtering on/off in SST file
Summary: Remember whole key or prefix filtering on/off in SST files. If user opens the DB with a different setting that cannot be satisfied while reading the SST file, ignore the bloom filter.

Test Plan: Add a unit test for it

Reviewers: yhchiang, igor, rven

Reviewed By: rven

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D32889
2015-02-11 11:20:04 -08:00

66 lines
2.1 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<RandomAccessFile>&& file, uint64_t file_size,
unique_ptr<TableReader>* table_reader) const override;
TableBuilder* NewTableBuilder(
const ImmutableCFOptions& ioptions,
const InternalKeyComparator& internal_comparator,
WritableFile* file, const CompressionType compression_type,
const CompressionOptions& compression_opts) 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