https://github.com/facebook/rocksdb
Tip revision: 3a0bf873b544794b79e67245c775a9e265be8d47 authored by Yueh-Hsuan Chiang on 08 October 2015, 18:15:18 UTC
Change RocksDB version to 4.1
Change RocksDB version to 4.1
Tip revision: 3a0bf87
cuckoo_table_factory.cc
// 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.
#ifndef ROCKSDB_LITE
#include "table/cuckoo_table_factory.h"
#include "db/dbformat.h"
#include "table/cuckoo_table_builder.h"
#include "table/cuckoo_table_reader.h"
namespace rocksdb {
Status CuckooTableFactory::NewTableReader(
const TableReaderOptions& table_reader_options,
unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
std::unique_ptr<TableReader>* table) const {
std::unique_ptr<CuckooTableReader> new_reader(new CuckooTableReader(
table_reader_options.ioptions, std::move(file), file_size,
table_reader_options.internal_comparator.user_comparator(), nullptr));
Status s = new_reader->status();
if (s.ok()) {
*table = std::move(new_reader);
}
return s;
}
TableBuilder* CuckooTableFactory::NewTableBuilder(
const TableBuilderOptions& table_builder_options,
WritableFileWriter* file) const {
// Ignore the skipFIlters flag. Does not apply to this file format
//
// TODO: change builder to take the option struct
return new CuckooTableBuilder(
file, table_options_.hash_table_ratio, 64,
table_options_.max_search_depth,
table_builder_options.internal_comparator.user_comparator(),
table_options_.cuckoo_block_size, table_options_.use_module_hash,
table_options_.identity_as_first_hash, nullptr);
}
std::string CuckooTableFactory::GetPrintableTableOptions() const {
std::string ret;
ret.reserve(2000);
const int kBufferSize = 200;
char buffer[kBufferSize];
snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
table_options_.hash_table_ratio);
ret.append(buffer);
snprintf(buffer, kBufferSize, " max_search_depth: %u\n",
table_options_.max_search_depth);
ret.append(buffer);
snprintf(buffer, kBufferSize, " cuckoo_block_size: %u\n",
table_options_.cuckoo_block_size);
ret.append(buffer);
snprintf(buffer, kBufferSize, " identity_as_first_hash: %d\n",
table_options_.identity_as_first_hash);
ret.append(buffer);
return ret;
}
TableFactory* NewCuckooTableFactory(const CuckooTableOptions& table_options) {
return new CuckooTableFactory(table_options);
}
} // namespace rocksdb
#endif // ROCKSDB_LITE