mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-26 16:30:56 +00:00
50e470791d
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/5373 Differential Revision: D15559425 Pulled By: vjnadimpalli fbshipit-source-id: 5d6d6d615582bedd96a4b879bb25d429a6de8b55
73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
#include "table/cuckoo/cuckoo_table_factory.h"
|
|
|
|
#include "db/dbformat.h"
|
|
#include "table/cuckoo/cuckoo_table_builder.h"
|
|
#include "table/cuckoo/cuckoo_table_reader.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
Status CuckooTableFactory::NewTableReader(
|
|
const TableReaderOptions& table_reader_options,
|
|
std::unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
|
|
std::unique_ptr<TableReader>* table,
|
|
bool /*prefetch_index_and_filter_in_cache*/) 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, uint32_t column_family_id,
|
|
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 /* get_slice_hash */,
|
|
column_family_id, table_builder_options.column_family_name);
|
|
}
|
|
|
|
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
|