YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file. See the AUTHORS file for names of contributors.

//

// The following only applies to changes made to this file as part of YugaByte development.

//

// Portions Copyright (c) YugaByte, Inc.

//

// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except

// in compliance with the License.  You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software distributed under the License

// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

// or implied.  See the License for the specific language governing permissions and limitations

// under the License.

//

#ifndef ROCKSDB_LITE

#include "yb/rocksdb/table/plain_table_factory.h"

#include <stdint.h>

#include <memory>

#include "yb/rocksdb/db/dbformat.h"

#include "yb/rocksdb/table/plain_table_builder.h"

#include "yb/rocksdb/table/plain_table_reader.h"

#include "yb/rocksdb/port/port.h"

namespace rocksdb {

Status PlainTableFactory::NewTableReader(

    const TableReaderOptions& table_reader_options,

    unique_ptr<RandomAccessFileReader>&& file, uint64_t file_size,

    unique_ptr<TableReader>* table) const {

  return PlainTableReader::Open(

      table_reader_options.ioptions, table_reader_options.env_options,

      table_reader_options.internal_comparator, std::move(file), file_size,

      table, table_options_.bloom_bits_per_key, table_options_.hash_table_ratio,

      table_options_.index_sparseness, table_options_.huge_page_tlb_size,

      table_options_.full_scan_mode);

}

TableBuilder* PlainTableFactory::NewTableBuilder(const TableBuilderOptions &table_builder_options,

    uint32_t column_family_id, WritableFileWriter *base_file, WritableFileWriter *data_file) const {

  // This table factory doesn't support separate files for metadata and data.

  assert(data_file == nullptr);

  // Ignore the skip_filters flag. PlainTable format is optimized for small

  // in-memory dbs. The skip_filters optimization is not useful for plain

  // tables

  //

  return new PlainTableBuilder(

      table_builder_options.ioptions,

      *table_builder_options.int_tbl_prop_collector_factories,

      column_family_id,

      base_file,

      table_options_.user_key_len,

      table_options_.encoding_type,

      table_options_.index_sparseness,

      table_options_.bloom_bits_per_key,

      6,

      table_options_.huge_page_tlb_size,

      table_options_.hash_table_ratio,

      table_options_.store_index_in_file);

}

std::string PlainTableFactory::GetPrintableTableOptions() const {

  std::string ret;

  ret.reserve(20000);

  const int kBufferSize = 200;

  char buffer[kBufferSize];

  snprintf(buffer, kBufferSize, "  user_key_len: %u\n",

           table_options_.user_key_len);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  bloom_bits_per_key: %d\n",

           table_options_.bloom_bits_per_key);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  hash_table_ratio: %lf\n",

           table_options_.hash_table_ratio);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  index_sparseness: %" ROCKSDB_PRIszt "\n",

           table_options_.index_sparseness);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  huge_page_tlb_size: %" ROCKSDB_PRIszt "\n",

           table_options_.huge_page_tlb_size);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  encoding_type: %d\n",

           table_options_.encoding_type);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  full_scan_mode: %d\n",

           table_options_.full_scan_mode);

  ret.append(buffer);

  snprintf(buffer, kBufferSize, "  store_index_in_file: %d\n",

           table_options_.store_index_in_file);

  ret.append(buffer);

  return ret;

}

const PlainTableOptions& PlainTableFactory::table_options() const {

  return table_options_;

}

extern TableFactory* NewPlainTableFactory(const PlainTableOptions& options) {

  return new PlainTableFactory(options);

}

const char PlainTablePropertyNames::kPrefixExtractorName[] =

    "rocksdb.prefix.extractor.name";

const char PlainTablePropertyNames::kEncodingType[] =

    "rocksdb.plain.table.encoding.type";

const char PlainTablePropertyNames::kBloomVersion[] =

    "rocksdb.plain.table.bloom.version";

const char PlainTablePropertyNames::kNumBloomBlocks[] =

    "rocksdb.plain.table.bloom.numblocks";

}  // namespace rocksdb

#endif  // ROCKSDB_LITE