rocksdb/table/bloom_block.h
Stanislau Hlebik 9d70cce047 Adding option to save PlainTable index and bloom filter in SST file.
Summary:
Adding option to save PlainTable index and bloom filter in SST file.
If there is no bloom block and/or index block, PlainTableReader builds
new ones. Otherwise PlainTableReader just use these blocks.

Test Plan: make all check

Reviewers: sdong

Reviewed By: sdong

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19527
2014-07-18 16:58:13 -07:00

38 lines
1.0 KiB
C++

// Copyright (c) 2014, 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.
#pragma once
#include <vector>
#include <string>
#include "util/dynamic_bloom.h"
namespace rocksdb {
class Logger;
class BloomBlockBuilder {
public:
static const std::string kBloomBlock;
explicit BloomBlockBuilder(uint32_t num_probes = 6)
: bloom_(num_probes, nullptr) {}
void SetTotalBits(Arena* arena, uint32_t total_bits, uint32_t locality,
size_t huge_page_tlb_size, Logger* logger) {
bloom_.SetTotalBits(arena, total_bits, locality, huge_page_tlb_size,
logger);
}
uint32_t GetNumBlocks() const { return bloom_.GetNumBlocks(); }
void AddKeysHashes(const std::vector<uint32_t> keys_hashes);
Slice Finish();
private:
DynamicBloom bloom_;
};
}; // namespace rocksdb