fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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104 lines
4.0 KiB
104 lines
4.0 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#ifndef ROCKSDB_LITE
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#include "table/cuckoo/cuckoo_table_factory.h"
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#include "db/dbformat.h"
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#include "options/configurable_helper.h"
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#include "rocksdb/utilities/options_type.h"
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#include "table/cuckoo/cuckoo_table_builder.h"
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#include "table/cuckoo/cuckoo_table_reader.h"
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namespace ROCKSDB_NAMESPACE {
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Status CuckooTableFactory::NewTableReader(
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const ReadOptions& /*ro*/, const TableReaderOptions& table_reader_options,
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std::unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
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std::unique_ptr<TableReader>* table,
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bool /*prefetch_index_and_filter_in_cache*/) const {
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std::unique_ptr<CuckooTableReader> new_reader(new CuckooTableReader(
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table_reader_options.ioptions, std::move(file), file_size,
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table_reader_options.internal_comparator.user_comparator(), nullptr));
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Status s = new_reader->status();
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if (s.ok()) {
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*table = std::move(new_reader);
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}
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return s;
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}
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TableBuilder* CuckooTableFactory::NewTableBuilder(
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const TableBuilderOptions& table_builder_options,
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WritableFileWriter* file) const {
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// TODO: change builder to take the option struct
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return new CuckooTableBuilder(
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file, table_options_.hash_table_ratio, 64,
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table_options_.max_search_depth,
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table_builder_options.internal_comparator.user_comparator(),
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table_options_.cuckoo_block_size, table_options_.use_module_hash,
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table_options_.identity_as_first_hash, nullptr /* get_slice_hash */,
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table_builder_options.column_family_id,
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table_builder_options.column_family_name, table_builder_options.db_id,
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table_builder_options.db_session_id);
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}
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std::string CuckooTableFactory::GetPrintableOptions() const {
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std::string ret;
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ret.reserve(2000);
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const int kBufferSize = 200;
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char buffer[kBufferSize];
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snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
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table_options_.hash_table_ratio);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " max_search_depth: %u\n",
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table_options_.max_search_depth);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " cuckoo_block_size: %u\n",
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table_options_.cuckoo_block_size);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " identity_as_first_hash: %d\n",
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table_options_.identity_as_first_hash);
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ret.append(buffer);
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return ret;
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}
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static std::unordered_map<std::string, OptionTypeInfo> cuckoo_table_type_info =
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{
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#ifndef ROCKSDB_LITE
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{"hash_table_ratio",
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{offsetof(struct CuckooTableOptions, hash_table_ratio),
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OptionType::kDouble, OptionVerificationType::kNormal,
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OptionTypeFlags::kNone}},
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{"max_search_depth",
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{offsetof(struct CuckooTableOptions, max_search_depth),
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OptionType::kUInt32T, OptionVerificationType::kNormal,
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OptionTypeFlags::kNone}},
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{"cuckoo_block_size",
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{offsetof(struct CuckooTableOptions, cuckoo_block_size),
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OptionType::kUInt32T, OptionVerificationType::kNormal,
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OptionTypeFlags::kNone}},
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{"identity_as_first_hash",
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{offsetof(struct CuckooTableOptions, identity_as_first_hash),
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OptionType::kBoolean, OptionVerificationType::kNormal,
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OptionTypeFlags::kNone}},
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{"use_module_hash",
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{offsetof(struct CuckooTableOptions, use_module_hash),
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OptionType::kBoolean, OptionVerificationType::kNormal,
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OptionTypeFlags::kNone}},
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#endif // ROCKSDB_LITE
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};
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CuckooTableFactory::CuckooTableFactory(const CuckooTableOptions& table_options)
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: table_options_(table_options) {
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RegisterOptions(&table_options_, &cuckoo_table_type_info);
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}
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TableFactory* NewCuckooTableFactory(const CuckooTableOptions& table_options) {
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return new CuckooTableFactory(table_options);
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}
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} // namespace ROCKSDB_NAMESPACE
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#endif // ROCKSDB_LITE
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