45e9e4f0bb
Summary: Refactoring NewTableReader to accept TableReaderOptions This will make it easier to add new options in the future, for example in this diff https://reviews.facebook.net/D46071 Test Plan: run existing tests Reviewers: igor, yhchiang, anthony, rven, sdong Reviewed By: sdong Subscribers: dhruba Differential Revision: https://reviews.facebook.net/D46179
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#ifndef ROCKSDB_LITE
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#include "table/plain_table_factory.h"
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#include <memory>
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#include <stdint.h>
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#include "db/dbformat.h"
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#include "table/plain_table_builder.h"
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#include "table/plain_table_reader.h"
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#include "port/port.h"
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namespace rocksdb {
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Status PlainTableFactory::NewTableReader(
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const TableReaderOptions& table_reader_options,
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unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,
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unique_ptr<TableReader>* table) const {
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return PlainTableReader::Open(
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table_reader_options.ioptions, table_reader_options.env_options,
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table_reader_options.internal_comparator, std::move(file), file_size,
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table, bloom_bits_per_key_, hash_table_ratio_, index_sparseness_,
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huge_page_tlb_size_, full_scan_mode_);
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}
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TableBuilder* PlainTableFactory::NewTableBuilder(
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const TableBuilderOptions& table_builder_options,
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WritableFileWriter* file) const {
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// Ignore the skip_filters flag. PlainTable format is optimized for small
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// in-memory dbs. The skip_filters optimization is not useful for plain
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// tables
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//
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return new PlainTableBuilder(
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table_builder_options.ioptions,
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table_builder_options.int_tbl_prop_collector_factories, file,
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user_key_len_, encoding_type_, index_sparseness_, bloom_bits_per_key_, 6,
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huge_page_tlb_size_, hash_table_ratio_, store_index_in_file_);
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}
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std::string PlainTableFactory::GetPrintableTableOptions() const {
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std::string ret;
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ret.reserve(20000);
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const int kBufferSize = 200;
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char buffer[kBufferSize];
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snprintf(buffer, kBufferSize, " user_key_len: %u\n",
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user_key_len_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " bloom_bits_per_key: %d\n",
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bloom_bits_per_key_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " hash_table_ratio: %lf\n",
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hash_table_ratio_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " index_sparseness: %" ROCKSDB_PRIszt "\n",
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index_sparseness_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " huge_page_tlb_size: %" ROCKSDB_PRIszt "\n",
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huge_page_tlb_size_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " encoding_type: %d\n",
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encoding_type_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " full_scan_mode: %d\n",
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full_scan_mode_);
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ret.append(buffer);
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snprintf(buffer, kBufferSize, " store_index_in_file: %d\n",
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store_index_in_file_);
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ret.append(buffer);
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return ret;
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}
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extern TableFactory* NewPlainTableFactory(const PlainTableOptions& options) {
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return new PlainTableFactory(options);
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}
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const std::string PlainTablePropertyNames::kPrefixExtractorName =
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"rocksdb.prefix.extractor.name";
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const std::string PlainTablePropertyNames::kEncodingType =
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"rocksdb.plain.table.encoding.type";
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const std::string PlainTablePropertyNames::kBloomVersion =
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"rocksdb.plain.table.bloom.version";
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const std::string PlainTablePropertyNames::kNumBloomBlocks =
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"rocksdb.plain.table.bloom.numblocks";
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} // namespace rocksdb
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#endif // ROCKSDB_LITE
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