rocksdb/db/c.cc

//  Copyright (c) Meta Platforms, Inc. and affiliates.
//  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).
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/regen_all.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Edit tools/c_api_gen/c_base.cc or the inputs under tools/c_api_gen/,
// then rerun: python3 tools/c_api_gen/regen_all.py
// -----------------------------------------------------------------------------

#include "rocksdb/c.h"

#include <cstdlib>
#include <iterator>
#include <map>
#include <memory>
#include <unordered_set>
#include <vector>

#include "port/port.h"
#include "rocksdb/advanced_cache.h"
#include "rocksdb/compaction_filter.h"
#include "rocksdb/comparator.h"
#include "rocksdb/convenience.h"
#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/experimental.h"
#include "rocksdb/filter_policy.h"
#include "rocksdb/iterator.h"
#include "rocksdb/listener.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/merge_operator.h"
#include "rocksdb/options.h"
#include "rocksdb/perf_context.h"
#include "rocksdb/rate_limiter.h"
#include "rocksdb/slice_transform.h"
#include "rocksdb/sst_file_manager.h"
#include "rocksdb/statistics.h"
#include "rocksdb/status.h"
#include "rocksdb/table.h"
#include "rocksdb/trace_reader_writer.h"
#include "rocksdb/universal_compaction.h"
#include "rocksdb/user_defined_index.h"
#include "rocksdb/utilities/backup_engine.h"
#include "rocksdb/utilities/checkpoint.h"
#include "rocksdb/utilities/db_ttl.h"
#include "rocksdb/utilities/memory_util.h"
#include "rocksdb/utilities/optimistic_transaction_db.h"
#include "rocksdb/utilities/options_util.h"
#include "rocksdb/utilities/replayer.h"
#include "rocksdb/utilities/table_properties_collectors.h"
#include "rocksdb/utilities/transaction.h"
#include "rocksdb/utilities/transaction_db.h"
#include "rocksdb/utilities/write_batch_with_index.h"
#include "rocksdb/wal_filter.h"
#include "rocksdb/write_batch.h"
#include "rocksdb/write_buffer_manager.h"
#include "util/stderr_logger.h"
#include "utilities/merge_operators.h"

using ROCKSDB_NAMESPACE::BackgroundErrorReason;
using ROCKSDB_NAMESPACE::BackupEngine;
using ROCKSDB_NAMESPACE::BackupEngineOptions;
using ROCKSDB_NAMESPACE::BackupID;
using ROCKSDB_NAMESPACE::BackupInfo;
using ROCKSDB_NAMESPACE::BatchResult;
using ROCKSDB_NAMESPACE::BlobFileAdditionInfo;
using ROCKSDB_NAMESPACE::BlobFileGarbageInfo;
using ROCKSDB_NAMESPACE::BlockBasedTableOptions;
using ROCKSDB_NAMESPACE::BlockCacheTraceOptions;
using ROCKSDB_NAMESPACE::BlockCacheTraceWriterOptions;
using ROCKSDB_NAMESPACE::BottommostLevelCompaction;
using ROCKSDB_NAMESPACE::BytewiseComparator;
using ROCKSDB_NAMESPACE::Cache;
using ROCKSDB_NAMESPACE::Checkpoint;
using ROCKSDB_NAMESPACE::ColumnFamilyDescriptor;
using ROCKSDB_NAMESPACE::ColumnFamilyHandle;
using ROCKSDB_NAMESPACE::ColumnFamilyMetaData;
using ROCKSDB_NAMESPACE::ColumnFamilyOptions;
using ROCKSDB_NAMESPACE::CompactionFileInfo;
using ROCKSDB_NAMESPACE::CompactionFilter;
using ROCKSDB_NAMESPACE::CompactionFilterFactory;
using ROCKSDB_NAMESPACE::CompactionJobInfo;
using ROCKSDB_NAMESPACE::CompactionJobStats;
using ROCKSDB_NAMESPACE::CompactionOptions;
using ROCKSDB_NAMESPACE::CompactionOptionsFIFO;
using ROCKSDB_NAMESPACE::CompactionReason;
using ROCKSDB_NAMESPACE::CompactionService;
using ROCKSDB_NAMESPACE::CompactionServiceJobInfo;
using ROCKSDB_NAMESPACE::CompactionServiceJobStatus;
using ROCKSDB_NAMESPACE::CompactionServiceOptionsOverride;
using ROCKSDB_NAMESPACE::CompactionServiceScheduleResponse;
using ROCKSDB_NAMESPACE::CompactionStyle;
using ROCKSDB_NAMESPACE::CompactRangeOptions;
using ROCKSDB_NAMESPACE::Comparator;
using ROCKSDB_NAMESPACE::CompressionType;
using ROCKSDB_NAMESPACE::ConfigOptions;
using ROCKSDB_NAMESPACE::CreateBackupOptions;
using ROCKSDB_NAMESPACE::CuckooTableOptions;
using ROCKSDB_NAMESPACE::DB;
using ROCKSDB_NAMESPACE::DBOptions;
using ROCKSDB_NAMESPACE::DbPath;
using ROCKSDB_NAMESPACE::Env;
using ROCKSDB_NAMESPACE::EnvOptions;
using ROCKSDB_NAMESPACE::EventListener;
using ROCKSDB_NAMESPACE::ExportImportFilesMetaData;
using ROCKSDB_NAMESPACE::ExternalFileIngestionInfo;
using ROCKSDB_NAMESPACE::FileChecksumGenFactory;
using ROCKSDB_NAMESPACE::FileLock;
using ROCKSDB_NAMESPACE::FileType;
using ROCKSDB_NAMESPACE::FilterPolicy;
using ROCKSDB_NAMESPACE::FlushJobInfo;
using ROCKSDB_NAMESPACE::FlushOptions;
using ROCKSDB_NAMESPACE::FlushWALOptions;
using ROCKSDB_NAMESPACE::GetColumnFamilyMetaDataOptions;
using ROCKSDB_NAMESPACE::GetFileChecksumGenCrc32cFactory;
using ROCKSDB_NAMESPACE::HistogramData;
using ROCKSDB_NAMESPACE::HyperClockCacheOptions;
using ROCKSDB_NAMESPACE::ImportColumnFamilyOptions;
using ROCKSDB_NAMESPACE::InfoLogLevel;
using ROCKSDB_NAMESPACE::IngestExternalFileOptions;
using ROCKSDB_NAMESPACE::Iterator;
using ROCKSDB_NAMESPACE::LevelMetaData;
using ROCKSDB_NAMESPACE::LiveFileMetaData;
using ROCKSDB_NAMESPACE::LiveFilesStorageInfoOptions;
using ROCKSDB_NAMESPACE::LiveFileStorageInfo;
using ROCKSDB_NAMESPACE::Logger;
using ROCKSDB_NAMESPACE::LRUCacheOptions;
using ROCKSDB_NAMESPACE::MakeSharedOccLockBuckets;
using ROCKSDB_NAMESPACE::MaybeExcludeBackupFile;
using ROCKSDB_NAMESPACE::MemoryAllocator;
using ROCKSDB_NAMESPACE::MemoryUtil;
using ROCKSDB_NAMESPACE::MemTableInfo;
using ROCKSDB_NAMESPACE::MergeOperator;
using ROCKSDB_NAMESPACE::NewBlockCacheTraceWriter;
using ROCKSDB_NAMESPACE::NewBloomFilterPolicy;
using ROCKSDB_NAMESPACE::NewCompactOnDeletionCollectorFactory;
using ROCKSDB_NAMESPACE::NewFileTraceReader;
using ROCKSDB_NAMESPACE::NewFileTraceWriter;
using ROCKSDB_NAMESPACE::NewGenericRateLimiter;
using ROCKSDB_NAMESPACE::NewLRUCache;
using ROCKSDB_NAMESPACE::NewRibbonFilterPolicy;
using ROCKSDB_NAMESPACE::NewSstPartitionerFixedPrefixFactory;
using ROCKSDB_NAMESPACE::OccLockBuckets;
using ROCKSDB_NAMESPACE::OpenAndCompactOptions;
using ROCKSDB_NAMESPACE::OptimisticTransactionDB;
using ROCKSDB_NAMESPACE::OptimisticTransactionDBOptions;
using ROCKSDB_NAMESPACE::OptimisticTransactionOptions;
using ROCKSDB_NAMESPACE::Options;
using ROCKSDB_NAMESPACE::PerfContext;
using ROCKSDB_NAMESPACE::PerfLevel;
using ROCKSDB_NAMESPACE::PinnableSlice;
using ROCKSDB_NAMESPACE::PrepopulateBlobCache;
using ROCKSDB_NAMESPACE::RandomAccessFile;
using ROCKSDB_NAMESPACE::Range;
using ROCKSDB_NAMESPACE::RateLimiter;
using ROCKSDB_NAMESPACE::ReadOptions;
using ROCKSDB_NAMESPACE::Replayer;
using ROCKSDB_NAMESPACE::ReplayOptions;
using ROCKSDB_NAMESPACE::RestoreOptions;
using ROCKSDB_NAMESPACE::SequentialFile;
using ROCKSDB_NAMESPACE::SizeApproximationOptions;
using ROCKSDB_NAMESPACE::Slice;
using ROCKSDB_NAMESPACE::SliceParts;
using ROCKSDB_NAMESPACE::SliceTransform;
using ROCKSDB_NAMESPACE::Snapshot;
using ROCKSDB_NAMESPACE::SstFileManager;
using ROCKSDB_NAMESPACE::SstFileMetaData;
using ROCKSDB_NAMESPACE::SstFileWriter;
using ROCKSDB_NAMESPACE::SstPartitionerFactory;
using ROCKSDB_NAMESPACE::Status;
using ROCKSDB_NAMESPACE::StderrLogger;
using ROCKSDB_NAMESPACE::SubcompactionJobInfo;
using ROCKSDB_NAMESPACE::TableFactory;
using ROCKSDB_NAMESPACE::TableProperties;
using ROCKSDB_NAMESPACE::TablePropertiesCollection;
using ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory;
using ROCKSDB_NAMESPACE::TraceOptions;
using ROCKSDB_NAMESPACE::TraceReader;
using ROCKSDB_NAMESPACE::Transaction;
using ROCKSDB_NAMESPACE::TransactionDB;
using ROCKSDB_NAMESPACE::TransactionDBOptions;
using ROCKSDB_NAMESPACE::TransactionLogIterator;
using ROCKSDB_NAMESPACE::TransactionOptions;
using ROCKSDB_NAMESPACE::UserCollectedProperties;
using ROCKSDB_NAMESPACE::UserDefinedIndexFactory;
using ROCKSDB_NAMESPACE::VectorWalPtr;
using ROCKSDB_NAMESPACE::WaitForCompactOptions;
using ROCKSDB_NAMESPACE::WalFile;
using ROCKSDB_NAMESPACE::WalFilter;
using ROCKSDB_NAMESPACE::WALRecoveryMode;
using ROCKSDB_NAMESPACE::WritableFile;
using ROCKSDB_NAMESPACE::WriteBatch;
using ROCKSDB_NAMESPACE::WriteBatchWithIndex;
using ROCKSDB_NAMESPACE::WriteBufferManager;
using ROCKSDB_NAMESPACE::WriteOptions;
using ROCKSDB_NAMESPACE::WriteStallCondition;
using ROCKSDB_NAMESPACE::WriteStallInfo;

using std::unordered_set;
using std::vector;

template <typename MapType>
// Returns iterator to the element at position `pos`, or cend() if out of
// bounds. NOTE: O(n) per call due to std::advance on non-random-access
// iterators (std::map). Callers iterating the full map are O(n^2).
static typename MapType::const_iterator GetMapEntryAt(const MapType& map,
                                                      size_t pos) {
  if (pos >= map.size()) {
    return map.cend();
  }
  auto it = map.cbegin();
  std::advance(it, pos);
  return it;
}

static std::unique_ptr<Range[]> BuildRanges(int num_ranges,
                                            const char* const* range_start_key,
                                            const size_t* range_start_key_len,
                                            const char* const* range_limit_key,
                                            const size_t* range_limit_key_len) {
  std::unique_ptr<Range[]> ranges(new Range[num_ranges]);
  for (int i = 0; i < num_ranges; ++i) {
    ranges[i].start = Slice(range_start_key[i], range_start_key_len[i]);
    ranges[i].limit = Slice(range_limit_key[i], range_limit_key_len[i]);
  }
  return ranges;
}

struct rocksdb_wal_file_t {
  std::string path_name;
  uint64_t log_number = 0;
  int type = 0;
  uint64_t start_sequence = 0;
  uint64_t size_file_bytes = 0;
};

static rocksdb_wal_file_t CaptureWalFile(const WalFile& wal_file) {
  rocksdb_wal_file_t result;
  result.path_name = wal_file.PathName();
  result.log_number = wal_file.LogNumber();
  result.type = static_cast<int>(wal_file.Type());
  result.start_sequence = wal_file.StartSequence();
  result.size_file_bytes = wal_file.SizeFileBytes();
  return result;
}

extern "C" {

struct rocksdb_t {
  DB* rep;
};
struct rocksdb_status_ptr_t {
  Status* rep;
};
struct rocksdb_backup_engine_t {
  BackupEngine* rep;
};
struct rocksdb_backup_engine_info_t {
  std::vector<BackupInfo> rep;
};
struct rocksdb_create_backup_options_t {
  CreateBackupOptions rep;
  void* progress_state = nullptr;
  rocksdb_create_backup_options_progress_cb progress_callback = nullptr;
  void* exclude_files_state = nullptr;
  rocksdb_create_backup_options_exclude_files_cb exclude_files_callback =
      nullptr;
};
struct rocksdb_restore_options_t {
  RestoreOptions rep;
};
struct rocksdb_iterator_t {
  Iterator* rep;
};
struct rocksdb_writebatch_t {
  WriteBatch rep;
};
struct rocksdb_writebatch_wi_t {
  WriteBatchWithIndex* rep;
};
struct rocksdb_table_properties_t {
  TableProperties rep;
};
struct rocksdb_compaction_job_stats_t {
  CompactionJobStats rep;
};
struct rocksdb_compaction_file_info_t {
  CompactionFileInfo rep;
};
struct rocksdb_blob_file_addition_info_t {
  BlobFileAdditionInfo rep;
};
struct rocksdb_blob_file_garbage_info_t {
  BlobFileGarbageInfo rep;
};
struct rocksdb_walfilter_t : public WalFilter {
  void* state_ = nullptr;
  void (*destructor_)(void*) = nullptr;
  rocksdb_walfilter_column_family_log_number_map_cb
      column_family_log_number_map_ = nullptr;
  rocksdb_walfilter_log_record_found_cb log_record_found_ = nullptr;
  const char* (*name_)(void*) = nullptr;

  rocksdb_walfilter_t() = default;
  rocksdb_walfilter_t(const rocksdb_walfilter_t&) = delete;
  rocksdb_walfilter_t& operator=(const rocksdb_walfilter_t&) = delete;
  rocksdb_walfilter_t(rocksdb_walfilter_t&&) = delete;
  rocksdb_walfilter_t& operator=(rocksdb_walfilter_t&&) = delete;
  ~rocksdb_walfilter_t() override {
    if (destructor_) {
      (*destructor_)(state_);
    }
  }

  void ColumnFamilyLogNumberMap(
      const std::map<uint32_t, uint64_t>& cf_lognumber_map,
      const std::map<std::string, uint32_t>& cf_name_id_map) override {
    if (column_family_log_number_map_ == nullptr) {
      return;
    }

    std::vector<uint32_t> cf_ids;
    std::vector<uint64_t> log_numbers;
    cf_ids.reserve(cf_lognumber_map.size());
    log_numbers.reserve(cf_lognumber_map.size());
    for (const auto& entry : cf_lognumber_map) {
      cf_ids.push_back(entry.first);
      log_numbers.push_back(entry.second);
    }

    std::vector<const char*> cf_names;
    std::vector<size_t> cf_name_lengths;
    std::vector<uint32_t> cf_name_ids;
    cf_names.reserve(cf_name_id_map.size());
    cf_name_lengths.reserve(cf_name_id_map.size());
    cf_name_ids.reserve(cf_name_id_map.size());
    for (const auto& entry : cf_name_id_map) {
      cf_names.push_back(entry.first.data());
      cf_name_lengths.push_back(entry.first.size());
      cf_name_ids.push_back(entry.second);
    }

    column_family_log_number_map_(state_, cf_ids.data(), log_numbers.data(),
                                  cf_ids.size(), cf_names.data(),
                                  cf_name_lengths.data(), cf_name_ids.data(),
                                  cf_name_ids.size());
  }

  WalProcessingOption LogRecordFound(unsigned long long log_number,
                                     const std::string& log_file_name,
                                     const WriteBatch& batch,
                                     WriteBatch* new_batch,
                                     bool* batch_changed) override {
    if (log_record_found_ == nullptr) {
      return WalProcessingOption::kContinueProcessing;
    }

    // Avoid deep copy: rocksdb_writebatch_t has WriteBatch as its only member
    const rocksdb_writebatch_t* c_batch =
        reinterpret_cast<const rocksdb_writebatch_t*>(&batch);
    rocksdb_writebatch_t c_new_batch = {WriteBatch()};
    unsigned char c_batch_changed = 0;
    int option = log_record_found_(state_, log_number, log_file_name.data(),
                                   log_file_name.size(), c_batch, &c_new_batch,
                                   &c_batch_changed);
    if (c_batch_changed != 0) {
      // c_new_batch is a local about to be destroyed; move instead of copying
      // the WriteBatch out of it.
      *new_batch = std::move(c_new_batch.rep);
    }
    *batch_changed = c_batch_changed != 0;

    switch (option) {
      case rocksdb_wal_filter_continue_processing:
        return WalProcessingOption::kContinueProcessing;
      case rocksdb_wal_filter_ignore_current_record:
        return WalProcessingOption::kIgnoreCurrentRecord;
      case rocksdb_wal_filter_stop_replay:
        return WalProcessingOption::kStopReplay;
      case rocksdb_wal_filter_corrupted_record:
        return WalProcessingOption::kCorruptedRecord;
      default:
        return WalProcessingOption::kCorruptedRecord;
    }
  }

  const char* Name() const override { return name_ ? (*name_)(state_) : ""; }
};
struct rocksdb_snapshot_t {
  const Snapshot* rep;
};
struct rocksdb_flushoptions_t {
  FlushOptions rep;
};
struct rocksdb_flushwaloptions_t {
  FlushWALOptions rep;
};
struct rocksdb_fifo_compaction_options_t {
  CompactionOptionsFIFO rep;
};
struct rocksdb_readoptions_t {
  ReadOptions rep;
  // stack variables to set pointers to in ReadOptions
  Slice upper_bound;
  Slice lower_bound;
  Slice timestamp;
  Slice iter_start_ts;
  std::unique_ptr<std::string> request_id;
  void* table_filter_state = nullptr;
  void (*table_filter_destructor)(void*) = nullptr;
  rocksdb_readoptions_table_filter_cb table_filter_callback = nullptr;
  std::shared_ptr<UserDefinedIndexFactory> table_index_factory;

  ~rocksdb_readoptions_t() { ClearTableFilter(); }

  void ClearTableFilter() {
    rep.table_filter = {};
    if (table_filter_destructor != nullptr) {
      (*table_filter_destructor)(table_filter_state);
    }
    table_filter_state = nullptr;
    table_filter_destructor = nullptr;
    table_filter_callback = nullptr;
  }

  void SetTableFilter(void* state, void (*destructor)(void*),
                      rocksdb_readoptions_table_filter_cb callback) {
    ClearTableFilter();
    table_filter_state = state;
    table_filter_destructor = destructor;
    table_filter_callback = callback;
    if (callback != nullptr) {
      auto cb = table_filter_callback;
      auto filter_state = table_filter_state;
      rep.table_filter = [cb, filter_state](const TableProperties& props) {
        return cb(filter_state,
                  reinterpret_cast<const rocksdb_table_properties_t*>(
                      &props)) != 0;
      };
    }
  }
};

struct rocksdb_writeoptions_t {
  WriteOptions rep;
};
struct rocksdb_options_t {
  Options rep;
};
struct rocksdb_compaction_options_t {
  CompactionOptions rep;
};
struct rocksdb_compactoptions_t {
  CompactRangeOptions rep;
  Slice full_history_ts_low;
};
struct rocksdb_block_based_table_options_t {
  BlockBasedTableOptions rep;
  std::shared_ptr<UserDefinedIndexFactory> user_defined_index_factory;
};
struct rocksdb_block_cache_trace_options_t {
  BlockCacheTraceOptions rep;
};
struct rocksdb_block_cache_trace_writer_options_t {
  BlockCacheTraceWriterOptions rep;
};
struct rocksdb_cuckoo_table_options_t {
  CuckooTableOptions rep;
};
struct rocksdb_seqfile_t {
  SequentialFile* rep;
};
struct rocksdb_randomfile_t {
  RandomAccessFile* rep;
};
struct rocksdb_writablefile_t {
  WritableFile* rep;
};
struct rocksdb_wal_iterator_t {
  TransactionLogIterator* rep;
};
struct rocksdb_wal_readoptions_t {
  TransactionLogIterator::ReadOptions rep;
};

struct rocksdb_wal_files_t {
  std::vector<rocksdb_wal_file_t> rep;
};
struct rocksdb_filelock_t {
  FileLock* rep;
};
struct rocksdb_logger_t {
  std::shared_ptr<Logger> rep;
};
struct rocksdb_file_checksum_gen_factory_t {
  std::shared_ptr<FileChecksumGenFactory> rep;
};
struct rocksdb_sst_partitioner_factory_t {
  std::shared_ptr<SstPartitionerFactory> rep;
};
struct rocksdb_table_properties_collector_factory_t {
  std::shared_ptr<TablePropertiesCollectorFactory> rep;
};
struct rocksdb_lru_cache_options_t {
  LRUCacheOptions rep;
};
struct rocksdb_hyper_clock_cache_options_t {
  HyperClockCacheOptions rep;
};
struct rocksdb_memory_allocator_t {
  std::shared_ptr<MemoryAllocator> rep;
};
struct rocksdb_cache_t {
  std::shared_ptr<Cache> rep;
};
struct rocksdb_write_buffer_manager_t {
  std::shared_ptr<WriteBufferManager> rep;
};
struct rocksdb_sst_file_manager_t {
  std::shared_ptr<SstFileManager> rep;
};
struct rocksdb_livefile_t {
  LiveFileMetaData rep;
};
struct rocksdb_livefiles_t {
  std::vector<LiveFileMetaData> rep;
};
struct rocksdb_column_family_handle_t {
  ColumnFamilyHandle* rep;
  bool immortal; /* only true for default cf */
};
struct rocksdb_column_family_metadata_t {
  ColumnFamilyMetaData rep;
};
struct rocksdb_column_family_metadata_options_t {
  GetColumnFamilyMetaDataOptions rep;
  std::string start_key;
  std::string end_key;
  bool has_start_key = false;
  bool has_end_key = false;
};
struct rocksdb_export_import_files_metadata_t {
  ExportImportFilesMetaData* rep;
};
struct rocksdb_import_column_family_options_t {
  ImportColumnFamilyOptions rep;
};
struct rocksdb_level_metadata_t {
  const LevelMetaData* rep;
};
struct rocksdb_sst_file_metadata_t {
  const SstFileMetaData* rep;
};
struct rocksdb_envoptions_t {
  EnvOptions rep;
  std::shared_ptr<RateLimiter> rate_limiter;
};
struct rocksdb_ingestexternalfileoptions_t {
  IngestExternalFileOptions rep;
};
struct rocksdb_trace_options_t {
  TraceOptions rep;
};
struct rocksdb_trace_reader_t {
  std::unique_ptr<TraceReader> rep;
};
struct rocksdb_replay_options_t {
  ReplayOptions rep;
};
struct rocksdb_replayer_t {
  std::unique_ptr<Replayer> rep;
};
struct rocksdb_size_approximation_options_t {
  SizeApproximationOptions rep;
};
struct rocksdb_livefiles_storage_info_options_t {
  LiveFilesStorageInfoOptions rep;
};
struct rocksdb_livefiles_storage_info_t {
  std::vector<LiveFileStorageInfo> rep;
};
struct rocksdb_sstfilewriter_t {
  SstFileWriter* rep;
};
struct rocksdb_ratelimiter_t {
  std::shared_ptr<RateLimiter> rep;
};
struct rocksdb_perfcontext_t {
  PerfContext* rep;
};
struct rocksdb_pinnableslice_t {
  PinnableSlice rep;
};
struct rocksdb_transactiondb_options_t {
  TransactionDBOptions rep;
};
struct rocksdb_transactiondb_t {
  TransactionDB* rep;
};
struct rocksdb_transaction_options_t {
  TransactionOptions rep;
};
struct rocksdb_transaction_t {
  Transaction* rep;
};
struct rocksdb_backup_engine_options_t {
  BackupEngineOptions rep;
};
struct rocksdb_checkpoint_t {
  Checkpoint* rep;
};
struct rocksdb_optimistictransactiondb_t {
  OptimisticTransactionDB* rep;
};
struct rocksdb_optimistictransactiondb_options_t {
  OptimisticTransactionDBOptions rep;
};
struct rocksdb_optimistictransactiondb_lock_buckets_t {
  std::shared_ptr<OccLockBuckets> rep;
};
struct rocksdb_optimistictransaction_options_t {
  OptimisticTransactionOptions rep;
};
struct rocksdb_wait_for_compact_options_t {
  WaitForCompactOptions rep;
};

struct rocksdb_compactionfiltercontext_t {
  CompactionFilter::Context rep;
};

struct rocksdb_flushjobinfo_t {
  FlushJobInfo rep;
};
struct rocksdb_writestallcondition_t {
  WriteStallCondition rep;
};
struct rocksdb_writestallinfo_t {
  WriteStallInfo rep;
};
struct rocksdb_memtableinfo_t {
  MemTableInfo rep;
};
struct rocksdb_compactionjobinfo_t {
  CompactionJobInfo rep;
};
struct rocksdb_subcompactionjobinfo_t {
  SubcompactionJobInfo rep;
};
struct rocksdb_externalfileingestioninfo_t {
  ExternalFileIngestionInfo rep;
};

struct rocksdb_statistics_histogram_data_t {
  rocksdb_statistics_histogram_data_t() : rep() {}
  HistogramData rep;
};

struct rocksdb_compactionservice_scheduleresponse_t {
  CompactionServiceScheduleResponse rep;
};

struct rocksdb_compactionservice_jobinfo_t {
  CompactionServiceJobInfo rep;
};
// Layout assertions: these structs must be reinterpret_cast-compatible
// with their rep field (single-member struct, standard-layout).
static_assert(sizeof(rocksdb_writebatch_t) == sizeof(WriteBatch),
              "Layout mismatch: rocksdb_writebatch_t vs WriteBatch");
static_assert(offsetof(rocksdb_writebatch_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_writebatch_t");
static_assert(sizeof(rocksdb_table_properties_t) == sizeof(TableProperties),
              "Layout mismatch: rocksdb_table_properties_t vs TableProperties");
static_assert(offsetof(rocksdb_table_properties_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_table_properties_t");
static_assert(sizeof(rocksdb_blob_file_addition_info_t) ==
                  sizeof(BlobFileAdditionInfo),
              "Layout mismatch: rocksdb_blob_file_addition_info_t vs "
              "BlobFileAdditionInfo");
static_assert(offsetof(rocksdb_blob_file_addition_info_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_blob_file_addition_info_t");
static_assert(
    sizeof(rocksdb_blob_file_garbage_info_t) == sizeof(BlobFileGarbageInfo),
    "Layout mismatch: rocksdb_blob_file_garbage_info_t vs BlobFileGarbageInfo");
static_assert(offsetof(rocksdb_blob_file_garbage_info_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_blob_file_garbage_info_t");
static_assert(
    sizeof(rocksdb_compaction_file_info_t) == sizeof(CompactionFileInfo),
    "Layout mismatch: rocksdb_compaction_file_info_t vs CompactionFileInfo");
static_assert(offsetof(rocksdb_compaction_file_info_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_compaction_file_info_t");
static_assert(
    sizeof(rocksdb_compactionjobinfo_t) == sizeof(CompactionJobInfo),
    "Layout mismatch: rocksdb_compactionjobinfo_t vs CompactionJobInfo");
static_assert(offsetof(rocksdb_compactionjobinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_compactionjobinfo_t");
static_assert(
    sizeof(rocksdb_compaction_job_stats_t) == sizeof(CompactionJobStats),
    "Layout mismatch: rocksdb_compaction_job_stats_t vs CompactionJobStats");
static_assert(offsetof(rocksdb_compaction_job_stats_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_compaction_job_stats_t");
static_assert(sizeof(rocksdb_compactionservice_jobinfo_t) ==
                  sizeof(CompactionServiceJobInfo),
              "Layout mismatch: rocksdb_compactionservice_jobinfo_t vs "
              "CompactionServiceJobInfo");
static_assert(offsetof(rocksdb_compactionservice_jobinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_compactionservice_jobinfo_t");
static_assert(sizeof(rocksdb_externalfileingestioninfo_t) ==
                  sizeof(ExternalFileIngestionInfo),
              "Layout mismatch: rocksdb_externalfileingestioninfo_t vs "
              "ExternalFileIngestionInfo");
static_assert(offsetof(rocksdb_externalfileingestioninfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_externalfileingestioninfo_t");
static_assert(sizeof(rocksdb_flushjobinfo_t) == sizeof(FlushJobInfo),
              "Layout mismatch: rocksdb_flushjobinfo_t vs FlushJobInfo");
static_assert(offsetof(rocksdb_flushjobinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_flushjobinfo_t");
static_assert(sizeof(rocksdb_memtableinfo_t) == sizeof(MemTableInfo),
              "Layout mismatch: rocksdb_memtableinfo_t vs MemTableInfo");
static_assert(offsetof(rocksdb_memtableinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_memtableinfo_t");
static_assert(
    sizeof(rocksdb_subcompactionjobinfo_t) == sizeof(SubcompactionJobInfo),
    "Layout mismatch: rocksdb_subcompactionjobinfo_t vs SubcompactionJobInfo");
static_assert(offsetof(rocksdb_subcompactionjobinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_subcompactionjobinfo_t");
static_assert(sizeof(rocksdb_writestallinfo_t) == sizeof(WriteStallInfo),
              "Layout mismatch: rocksdb_writestallinfo_t vs WriteStallInfo");
static_assert(offsetof(rocksdb_writestallinfo_t, rep) == 0,
              "rep must be at offset 0 in rocksdb_writestallinfo_t");

struct rocksdb_compaction_service_options_override_t {
  CompactionServiceOptionsOverride rep;
};

struct rocksdb_open_and_compact_options_t {
  OpenAndCompactOptions rep;
};

struct rocksdb_compactionfilter_t : public CompactionFilter {
  void* state_;
  void (*destructor_)(void*);
  unsigned char (*filter_)(void*, int level, const char* key, size_t key_length,
                           const char* existing_value, size_t value_length,
                           char** new_value, size_t* new_value_length,
                           unsigned char* value_changed);
  const char* (*name_)(void*);
  unsigned char ignore_snapshots_;

  ~rocksdb_compactionfilter_t() override { (*destructor_)(state_); }

  bool Filter(int level, const Slice& key, const Slice& existing_value,
              std::string* new_value, bool* value_changed) const override {
    char* c_new_value = nullptr;
    size_t new_value_length = 0;
    unsigned char c_value_changed = 0;
    unsigned char result =
        (*filter_)(state_, level, key.data(), key.size(), existing_value.data(),
                   existing_value.size(), &c_new_value, &new_value_length,
                   &c_value_changed);
    if (c_value_changed) {
      new_value->assign(c_new_value, new_value_length);
      *value_changed = true;
    }
    return result;
  }

  const char* Name() const override { return (*name_)(state_); }

  bool IgnoreSnapshots() const override { return ignore_snapshots_; }
};

struct rocksdb_compactionfilterfactory_t : public CompactionFilterFactory {
  void* state_;
  void (*destructor_)(void*);
  rocksdb_compactionfilter_t* (*create_compaction_filter_)(
      void*, rocksdb_compactionfiltercontext_t* context);
  const char* (*name_)(void*);

  ~rocksdb_compactionfilterfactory_t() override { (*destructor_)(state_); }

  std::unique_ptr<CompactionFilter> CreateCompactionFilter(
      const CompactionFilter::Context& context) override {
    rocksdb_compactionfiltercontext_t ccontext;
    ccontext.rep = context;
    CompactionFilter* cf = (*create_compaction_filter_)(state_, &ccontext);
    return std::unique_ptr<CompactionFilter>(cf);
  }

  const char* Name() const override { return (*name_)(state_); }
};

struct rocksdb_comparator_t : public Comparator {
  void* state_;
  void (*destructor_)(void*);
  int (*compare_)(void*, const char* a, size_t alen, const char* b,
                  size_t blen);
  const char* (*name_)(void*);
  int (*compare_ts_)(void*, const char* a_ts, size_t a_tslen, const char* b_ts,
                     size_t b_tslen);
  int (*compare_without_ts_)(void*, const char* a, size_t alen,
                             unsigned char a_has_ts, const char* b, size_t blen,
                             unsigned char b_has_ts);

  rocksdb_comparator_t() : Comparator() {}

  rocksdb_comparator_t(size_t ts_size) : Comparator(ts_size) {}

  ~rocksdb_comparator_t() override { (*destructor_)(state_); }

  int Compare(const Slice& a, const Slice& b) const override {
    return (*compare_)(state_, a.data(), a.size(), b.data(), b.size());
  }

  int CompareTimestamp(const Slice& a_ts, const Slice& b_ts) const override {
    if (compare_ts_ == nullptr) {
      return 0;
    }
    return (*compare_ts_)(state_, a_ts.data(), a_ts.size(), b_ts.data(),
                          b_ts.size());
  }

  int CompareWithoutTimestamp(const Slice& a, bool a_has_ts, const Slice& b,
                              bool b_has_ts) const override {
    if (compare_without_ts_ == nullptr) {
      return Compare(a, b);
    }
    return (*compare_without_ts_)(state_, a.data(), a.size(), a_has_ts,
                                  b.data(), b.size(), b_has_ts);
  }

  const char* Name() const override { return (*name_)(state_); }

  // No-ops since the C binding does not support key shortening methods.
  void FindShortestSeparator(std::string*, const Slice&) const override {}
  void FindShortSuccessor(std::string* /*key*/) const override {}
};

struct rocksdb_filterpolicy_t : public FilterPolicy {
  void* state_;
  void (*destructor_)(void*);
  const char* (*name_)(void*);

  ~rocksdb_filterpolicy_t() override { (*destructor_)(state_); }

  const char* Name() const override { return (*name_)(state_); }
};

struct rocksdb_mergeoperator_t : public MergeOperator {
  void* state_;
  void (*destructor_)(void*);
  const char* (*name_)(void*);
  char* (*full_merge_)(void*, const char* key, size_t key_length,
                       const char* existing_value, size_t existing_value_length,
                       const char* const* operands_list,
                       const size_t* operands_list_length, int num_operands,
                       unsigned char* success, size_t* new_value_length);
  char* (*partial_merge_)(void*, const char* key, size_t key_length,
                          const char* const* operands_list,
                          const size_t* operands_list_length, int num_operands,
                          unsigned char* success, size_t* new_value_length);
  void (*delete_value_)(void*, const char* value, size_t value_length);

  ~rocksdb_mergeoperator_t() override { (*destructor_)(state_); }

  const char* Name() const override { return (*name_)(state_); }

  bool FullMergeV2(const MergeOperationInput& merge_in,
                   MergeOperationOutput* merge_out) const override {
    size_t n = merge_in.operand_list.size();
    std::vector<const char*> operand_pointers(n);
    std::vector<size_t> operand_sizes(n);
    for (size_t i = 0; i < n; i++) {
      Slice operand(merge_in.operand_list[i]);
      operand_pointers[i] = operand.data();
      operand_sizes[i] = operand.size();
    }

    const char* existing_value_data = nullptr;
    size_t existing_value_len = 0;
    if (merge_in.existing_value != nullptr) {
      existing_value_data = merge_in.existing_value->data();
      existing_value_len = merge_in.existing_value->size();
    }

    unsigned char success;
    size_t new_value_len;
    char* tmp_new_value = (*full_merge_)(
        state_, merge_in.key.data(), merge_in.key.size(), existing_value_data,
        existing_value_len, operand_pointers.data(), operand_sizes.data(),
        static_cast<int>(n), &success, &new_value_len);
    merge_out->new_value.assign(tmp_new_value, new_value_len);

    if (delete_value_ != nullptr) {
      (*delete_value_)(state_, tmp_new_value, new_value_len);
    } else {
      free(tmp_new_value);
    }

    return success;
  }

  bool PartialMergeMulti(const Slice& key,
                         const std::deque<Slice>& operand_list,
                         std::string* new_value,
                         Logger* /*logger*/) const override {
    size_t operand_count = operand_list.size();
    std::vector<const char*> operand_pointers(operand_count);
    std::vector<size_t> operand_sizes(operand_count);
    for (size_t i = 0; i < operand_count; ++i) {
      Slice operand(operand_list[i]);
      operand_pointers[i] = operand.data();
      operand_sizes[i] = operand.size();
    }

    unsigned char success;
    size_t new_value_len;
    char* tmp_new_value = (*partial_merge_)(
        state_, key.data(), key.size(), operand_pointers.data(),
        operand_sizes.data(), static_cast<int>(operand_count), &success,
        &new_value_len);
    new_value->assign(tmp_new_value, new_value_len);

    if (delete_value_ != nullptr) {
      (*delete_value_)(state_, tmp_new_value, new_value_len);
    } else {
      free(tmp_new_value);
    }

    return success;
  }
};

struct rocksdb_dbpath_t {
  DbPath rep;
};

struct rocksdb_env_t {
  Env* rep;
  bool is_default;
};

struct rocksdb_slicetransform_t : public SliceTransform {
  void* state_;
  void (*destructor_)(void*);
  const char* (*name_)(void*);
  char* (*transform_)(void*, const char* key, size_t length,
                      size_t* dst_length);
  unsigned char (*in_domain_)(void*, const char* key, size_t length);

  ~rocksdb_slicetransform_t() override { (*destructor_)(state_); }

  const char* Name() const override { return (*name_)(state_); }

  Slice Transform(const Slice& src) const override {
    size_t len;
    char* dst = (*transform_)(state_, src.data(), src.size(), &len);
    return Slice(dst, len);
  }

  bool InDomain(const Slice& src) const override {
    return (*in_domain_)(state_, src.data(), src.size());
  }
};

struct rocksdb_universal_compaction_options_t {
  ROCKSDB_NAMESPACE::CompactionOptionsUniversal* rep;
};

struct rocksdb_callback_logger_t : public Logger {
  static const ssize_t STACK_BUFSZ = 512;
  rocksdb_callback_logger_t(InfoLogLevel log_level,
                            void (*logv_cb)(void*, unsigned, char*, size_t),
                            void* priv)
      : Logger(log_level), logv_cb_(logv_cb), priv_(priv) {}

  using Logger::Logv;
  void Logv(const InfoLogLevel level, const char* fmt, va_list ap0) override {
    char stack_buf[STACK_BUFSZ];
    char* alloc_buf = nullptr;
    char* buf = stack_buf;
    int len = 0;
    va_list ap1;
    if (!logv_cb_) {
      return;
    }
    va_copy(ap1, ap0);
    len = vsnprintf(buf, STACK_BUFSZ, fmt, ap0);
    if (len <= 0) {
      goto cleanup;
    } else if (len >= STACK_BUFSZ) {
      buf = alloc_buf = reinterpret_cast<char*>(malloc(len + 1));
      if (!buf) {
        goto cleanup;
      }
      len = vsnprintf(buf, len + 1, fmt, ap1);
      if (len <= 0) {
        goto cleanup;
      }
    }
    logv_cb_(priv_, unsigned(level), buf, size_t(len));
  cleanup:
    va_end(ap1);
    free(alloc_buf);
  }

 private:
  void (*logv_cb_)(void*, unsigned, char*, size_t) = nullptr;
  void* priv_ = nullptr;
};

static bool SaveError(char** errptr, const Status& s) {
  assert(errptr != nullptr);
  if (s.ok()) {
    return false;
  } else if (*errptr == nullptr) {
    *errptr = strdup(s.ToString().c_str());
  } else {
    // TODO(sanjay): Merge with existing error?
    // This is a bug if *errptr is not created by malloc()
    free(*errptr);
    *errptr = strdup(s.ToString().c_str());
  }
  return true;
}

static const CreateBackupOptions& GetCreateBackupOptions(
    const rocksdb_create_backup_options_t* options,
    CreateBackupOptions* default_options) {
  if (options != nullptr) {
    return options->rep;
  }
  *default_options = CreateBackupOptions();
  return *default_options;
}

static const FlushWALOptions& GetFlushWALOptions(
    const rocksdb_flushwaloptions_t* options,
    FlushWALOptions* default_options) {
  if (options != nullptr) {
    return options->rep;
  }
  *default_options = FlushWALOptions();
  return *default_options;
}

static const OptimisticTransactionDBOptions& GetOptimisticTransactionDBOptions(
    const rocksdb_optimistictransactiondb_options_t* options,
    OptimisticTransactionDBOptions* default_options) {
  if (options != nullptr) {
    return options->rep;
  }
  *default_options = OptimisticTransactionDBOptions();
  return *default_options;
}

static rocksdb_optimistictransactiondb_t* WrapOptimisticTransactionDB(
    OptimisticTransactionDB* otxn_db) {
  auto* result = new rocksdb_optimistictransactiondb_t;
  result->rep = otxn_db;
  return result;
}

// Helper function to copy string data to a malloc'd buffer
// Works with std::string, Slice, and PinnableSlice through implicit conversion
static inline char* CopyString(const Slice& slice) {
  char* result = reinterpret_cast<char*>(malloc(slice.size()));
  memcpy(result, slice.data(), slice.size());
  return result;
}

static inline char** CopyStringVector(const std::vector<std::string>& values) {
  if (values.empty()) {
    return nullptr;
  }
  char** result = static_cast<char**>(malloc(sizeof(char*) * values.size()));
  if (result == nullptr) {
    return nullptr;
  }
  for (size_t i = 0; i < values.size(); ++i) {
    result[i] = strdup(values[i].c_str());
  }
  return result;
}

static void SyncColumnFamilyMetadataOptionsRange(
    rocksdb_column_family_metadata_options_t* options) {
  options->rep.range.start = options->has_start_key
                                 ? options->start_key
                                 : ROCKSDB_NAMESPACE::OptSlice();
  options->rep.range.limit =
      options->has_end_key ? options->end_key : ROCKSDB_NAMESPACE::OptSlice();
}

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4190)  // C-linkage function returning C++ type
#endif
static Status LoadUserDefinedIndexFactoryFromString(
    const char* value, size_t value_len,
    std::shared_ptr<UserDefinedIndexFactory>* factory) {
  ConfigOptions config_options;
  config_options.ignore_unknown_options = false;
  config_options.ignore_unsupported_options = false;
  return UserDefinedIndexFactory::CreateFromString(
      config_options, std::string(value, value_len), factory);
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif

const char* rocksdb_compactionservice_jobinfo_t_get_db_name(
    const rocksdb_compactionservice_jobinfo_t* info, size_t* len) {
  *len = info->rep.db_name.size();
  return info->rep.db_name.data();
}

const char* rocksdb_compactionservice_jobinfo_t_get_db_id(
    const rocksdb_compactionservice_jobinfo_t* info, size_t* len) {
  *len = info->rep.db_id.size();
  return info->rep.db_id.data();
}

const char* rocksdb_compactionservice_jobinfo_t_get_db_session_id(
    const rocksdb_compactionservice_jobinfo_t* info, size_t* len) {
  *len = info->rep.db_session_id.size();
  return info->rep.db_session_id.data();
}

const char* rocksdb_compactionservice_jobinfo_t_get_cf_name(
    const rocksdb_compactionservice_jobinfo_t* info, size_t* len) {
  *len = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

uint32_t rocksdb_compactionservice_jobinfo_t_get_cf_id(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.cf_id;
}

uint64_t rocksdb_compactionservice_jobinfo_t_get_job_id(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.job_id;
}

int rocksdb_compactionservice_jobinfo_t_get_priority(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return static_cast<int>(info->rep.priority);
}

int rocksdb_compactionservice_jobinfo_t_get_compaction_reason(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return static_cast<int>(info->rep.compaction_reason);
}

int rocksdb_compactionservice_jobinfo_t_get_base_input_level(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.base_input_level;
}

int rocksdb_compactionservice_jobinfo_t_get_output_level(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.output_level;
}

unsigned char rocksdb_compactionservice_jobinfo_t_is_full_compaction(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.is_full_compaction;
}

unsigned char rocksdb_compactionservice_jobinfo_t_is_manual_compaction(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.is_manual_compaction;
}

unsigned char rocksdb_compactionservice_jobinfo_t_is_bottommost_level(
    const rocksdb_compactionservice_jobinfo_t* info) {
  return info->rep.bottommost_level;
}

// Helper function to validate compaction service job status
static inline bool IsValidCompactionServiceJobStatus(int status) {
  return status >= rocksdb_compactionservice_jobstatus_success &&
         status <= rocksdb_compactionservice_jobstatus_use_local;
}

rocksdb_compactionservice_scheduleresponse_t*
rocksdb_compactionservice_scheduleresponse_create(const char* scheduled_job_id,
                                                  int status, char** errptr) {
  // Validate status is in range [success=0, failure=1, aborted=2, use_local=3]
  if (!IsValidCompactionServiceJobStatus(status)) {
    SaveError(errptr,
              Status::InvalidArgument("Invalid status value. Must be 0-3."));
    return nullptr;
  }

  rocksdb_compactionservice_scheduleresponse_t* response =
      new rocksdb_compactionservice_scheduleresponse_t{
          CompactionServiceScheduleResponse(
              scheduled_job_id ? std::string(scheduled_job_id) : "",
              static_cast<CompactionServiceJobStatus>(status))};
  return response;
}

rocksdb_compactionservice_scheduleresponse_t*
rocksdb_compactionservice_scheduleresponse_create_with_status(int status,
                                                              char** errptr) {
  // Validate status is in range [success=0, failure=1, aborted=2, use_local=3]
  if (!IsValidCompactionServiceJobStatus(status)) {
    SaveError(errptr,
              Status::InvalidArgument("Invalid status value. Must be 0-3."));
    return nullptr;
  }

  rocksdb_compactionservice_scheduleresponse_t* response =
      new rocksdb_compactionservice_scheduleresponse_t{
          CompactionServiceScheduleResponse(
              static_cast<CompactionServiceJobStatus>(status))};
  return response;
}

void rocksdb_compactionservice_scheduleresponse_t_destroy(
    rocksdb_compactionservice_scheduleresponse_t* response) {
  if (response) {
    delete response;
  }
}

int rocksdb_compactionservice_scheduleresponse_getstatus(
    const rocksdb_compactionservice_scheduleresponse_t* response) {
  if (!response) {
    return rocksdb_compactionservice_jobstatus_failure;
  }
  return static_cast<int>(response->rep.status);
}

const char* rocksdb_compactionservice_scheduleresponse_get_scheduled_job_id(
    const rocksdb_compactionservice_scheduleresponse_t* response, size_t* len) {
  if (!response || !len) {
    if (len) {
      *len = 0;
    }
    return "";
  }
  *len = response->rep.scheduled_job_id.size();
  return response->rep.scheduled_job_id.data();
}

struct rocksdb_compactionservice_t : public CompactionService {
  void* state_;
  void (*destructor_)(void*);
  rocksdb_compaction_service_schedule_cb schedule_;
  std::string name_;
  rocksdb_compaction_service_wait_cb wait_;
  rocksdb_compaction_service_cancel_awaiting_jobs_cb cancel_awaiting_jobs_;
  rocksdb_compaction_service_on_installation_cb on_installation_;

  rocksdb_compactionservice_t(
      void* state, void (*destructor)(void*),
      rocksdb_compaction_service_schedule_cb
          rocksdb_compaction_service_schedule_ptr,
      const char* name, rocksdb_compaction_service_wait_cb wait,
      rocksdb_compaction_service_cancel_awaiting_jobs_cb cancel_awaiting_jobs,
      rocksdb_compaction_service_on_installation_cb on_installation)
      : state_(state),
        destructor_(destructor),
        schedule_(rocksdb_compaction_service_schedule_ptr),
        name_(name ? name : "CompactionService"),
        wait_(wait),
        cancel_awaiting_jobs_(cancel_awaiting_jobs),
        on_installation_(on_installation) {}

  ~rocksdb_compactionservice_t() override {
    if (destructor_) {
      (*destructor_)(state_);
    }
  }

  const char* Name() const override { return name_.c_str(); }

  CompactionServiceScheduleResponse Schedule(
      const CompactionServiceJobInfo& info,
      const std::string& compaction_service_input) override {
    if (schedule_ == nullptr) {
      return CompactionServiceScheduleResponse(
          CompactionServiceJobStatus::kUseLocal);
    }

    rocksdb_compactionservice_scheduleresponse_t* c_response = (*schedule_)(
        state_,
        reinterpret_cast<const rocksdb_compactionservice_jobinfo_t*>(&info),
        compaction_service_input.data(), compaction_service_input.size());

    if (c_response == nullptr) {
      return CompactionServiceScheduleResponse(
          CompactionServiceJobStatus::kFailure);
    }

    CompactionServiceScheduleResponse response = std::move(c_response->rep);
    delete c_response;
    return response;
  }

  CompactionServiceJobStatus Wait(const std::string& scheduled_job_id,
                                  std::string* result) override {
    if (wait_ == nullptr) {
      return CompactionServiceJobStatus::kUseLocal;
    }

    char* c_result = nullptr;
    size_t result_len = 0;

    int status =
        (*wait_)(state_, scheduled_job_id.c_str(), &c_result, &result_len);

    if (c_result != nullptr) {
      if (result != nullptr) {
        result->assign(c_result, result_len);
      }
      free(c_result);
    }

    return static_cast<CompactionServiceJobStatus>(status);
  }

  void CancelAwaitingJobs() override {
    if (cancel_awaiting_jobs_ != nullptr) {
      (*cancel_awaiting_jobs_)(state_);
    }
  }

  void OnInstallation(const std::string& scheduled_job_id,
                      CompactionServiceJobStatus status) override {
    if (on_installation_ != nullptr) {
      (*on_installation_)(state_, scheduled_job_id.c_str(),
                          static_cast<int>(status));
    }
  }
};

rocksdb_compactionservice_t* rocksdb_compactionservice_create(
    void* state, void (*destructor)(void*),
    rocksdb_compaction_service_schedule_cb schedule, const char* name,
    rocksdb_compaction_service_wait_cb wait,
    rocksdb_compaction_service_cancel_awaiting_jobs_cb cancel_awaiting_jobs,
    rocksdb_compaction_service_on_installation_cb on_installation) {
  return new rocksdb_compactionservice_t(state, destructor, schedule, name,
                                         wait, cancel_awaiting_jobs,
                                         on_installation);
}

void rocksdb_options_set_compaction_service(
    rocksdb_options_t* opt, rocksdb_compactionservice_t* service) {
  if (!opt || !service) {
    return;
  }

  opt->rep.compaction_service = std::shared_ptr<CompactionService>(service);
}

// CompactionServiceOptionsOverride functions
rocksdb_compaction_service_options_override_t*
rocksdb_compaction_service_options_override_create() {
  return new rocksdb_compaction_service_options_override_t;
}

rocksdb_compaction_service_options_override_t*
rocksdb_compaction_service_options_override_create_from_options(
    rocksdb_options_t* options) {
  if (!options) {
    return nullptr;
  }

  rocksdb_compaction_service_options_override_t* override_opts =
      new rocksdb_compaction_service_options_override_t;

  // Copy all relevant options from rocksdb_options_t
  override_opts->rep.env = options->rep.env;
  override_opts->rep.file_checksum_gen_factory =
      options->rep.file_checksum_gen_factory;
  override_opts->rep.comparator = options->rep.comparator;
  override_opts->rep.merge_operator = options->rep.merge_operator;
  override_opts->rep.compaction_filter = options->rep.compaction_filter;
  override_opts->rep.compaction_filter_factory =
      options->rep.compaction_filter_factory;
  override_opts->rep.prefix_extractor = options->rep.prefix_extractor;
  override_opts->rep.table_factory = options->rep.table_factory;
  override_opts->rep.sst_partitioner_factory =
      options->rep.sst_partitioner_factory;
  override_opts->rep.listeners = options->rep.listeners;
  override_opts->rep.statistics = options->rep.statistics;
  override_opts->rep.info_log = options->rep.info_log;
  override_opts->rep.table_properties_collector_factories =
      options->rep.table_properties_collector_factories;

  return override_opts;
}

void rocksdb_compaction_service_options_override_destroy(
    rocksdb_compaction_service_options_override_t* override_options) {
  if (override_options) {
    delete override_options;
  }
}

void rocksdb_compaction_service_options_override_set_env(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_env_t* env) {
  if (override_options && env) {
    override_options->rep.env = env->rep;
  }
}

void rocksdb_compaction_service_options_override_set_comparator(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_comparator_t* comparator) {
  if (override_options && comparator) {
    override_options->rep.comparator = comparator;
  }
}

void rocksdb_compaction_service_options_override_set_merge_operator(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_mergeoperator_t* merge_operator) {
  if (override_options && merge_operator) {
    override_options->rep.merge_operator =
        std::shared_ptr<MergeOperator>(merge_operator);
  }
}

void rocksdb_compaction_service_options_override_set_compaction_filter(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_compactionfilter_t* compaction_filter) {
  if (override_options && compaction_filter) {
    override_options->rep.compaction_filter = compaction_filter;
  }
}

void rocksdb_compaction_service_options_override_set_compaction_filter_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_compactionfilterfactory_t* compaction_filter_factory) {
  if (override_options && compaction_filter_factory) {
    override_options->rep.compaction_filter_factory =
        std::shared_ptr<CompactionFilterFactory>(compaction_filter_factory);
  }
}

void rocksdb_compaction_service_options_override_set_prefix_extractor(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_slicetransform_t* prefix_extractor) {
  if (override_options && prefix_extractor) {
    override_options->rep.prefix_extractor =
        std::shared_ptr<const SliceTransform>(prefix_extractor);
  }
}

void rocksdb_compaction_service_options_override_set_block_based_table_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_block_based_table_options_t* table_options) {
  if (override_options && table_options) {
    override_options->rep.table_factory = std::shared_ptr<TableFactory>(
        NewBlockBasedTableFactory(table_options->rep));
  }
}

void rocksdb_compaction_service_options_override_set_cuckoo_table_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_cuckoo_table_options_t* table_options) {
  if (override_options && table_options) {
    override_options->rep.table_factory = std::shared_ptr<TableFactory>(
        NewCuckooTableFactory(table_options->rep));
  }
}

// Note: add_event_listener is defined later after rocksdb_eventlistener_t
// struct

void rocksdb_compaction_service_options_override_set_statistics(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_options_t* options) {
  if (override_options && options) {
    override_options->rep.statistics = options->rep.statistics;
  }
}

void rocksdb_compaction_service_options_override_set_info_log(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_logger_t* logger) {
  if (override_options && logger) {
    override_options->rep.info_log = logger->rep;
  }
}

void rocksdb_compaction_service_options_override_set_option(
    rocksdb_compaction_service_options_override_t* override_options,
    const char* key, const char* value) {
  if (override_options && key && value) {
    override_options->rep.options_map[std::string(key)] = std::string(value);
  }
}

void rocksdb_compaction_service_options_override_set_file_checksum_gen_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_file_checksum_gen_factory_t* factory) {
  if (override_options && factory) {
    override_options->rep.file_checksum_gen_factory = factory->rep;
  }
}

void rocksdb_compaction_service_options_override_set_sst_partitioner_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_sst_partitioner_factory_t* factory) {
  if (override_options && factory) {
    override_options->rep.sst_partitioner_factory = factory->rep;
  }
}

void rocksdb_compaction_service_options_override_add_table_properties_collector_factory(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_table_properties_collector_factory_t* factory) {
  if (override_options && factory) {
    override_options->rep.table_properties_collector_factories.push_back(
        factory->rep);
  }
}

// Atomic bool management for cancellation
unsigned char* rocksdb_open_and_compact_canceled_create() {
  return reinterpret_cast<unsigned char*>(new std::atomic<bool>(false));
}

void rocksdb_open_and_compact_canceled_destroy(unsigned char* canceled) {
  if (canceled) {
    delete reinterpret_cast<std::atomic<bool>*>(canceled);
  }
}

void rocksdb_open_and_compact_canceled_set(unsigned char* canceled,
                                           unsigned char value) {
  if (canceled) {
    reinterpret_cast<std::atomic<bool>*>(canceled)->store(value != 0);
  }
}

// OpenAndCompactOptions functions
rocksdb_open_and_compact_options_t* rocksdb_open_and_compact_options_create() {
  return new rocksdb_open_and_compact_options_t;
}

void rocksdb_open_and_compact_options_destroy(
    rocksdb_open_and_compact_options_t* options) {
  if (options) {
    delete options;
  }
}

void rocksdb_open_and_compact_options_set_canceled(
    rocksdb_open_and_compact_options_t* options, unsigned char* canceled) {
  if (options && canceled) {
    options->rep.canceled = reinterpret_cast<std::atomic<bool>*>(canceled);
  }
}

void rocksdb_open_and_compact_options_set_allow_resumption(
    rocksdb_open_and_compact_options_t* options,
    unsigned char allow_resumption) {
  if (options) {
    options->rep.allow_resumption = allow_resumption != 0;
  }
}

// OpenAndCompact functions
char* rocksdb_open_and_compact(
    const char* db_path, const char* output_directory, const char* input,
    size_t input_len, size_t* output_len,
    const rocksdb_compaction_service_options_override_t* override_options,
    char** errptr) {
  if (!db_path || !output_directory || !input || !override_options) {
    SaveError(errptr, Status::InvalidArgument("Invalid arguments"));
    return nullptr;
  }

  std::string input_str(input, input_len);
  std::string output_str;

  Status s = DB::OpenAndCompact(db_path, output_directory, input_str,
                                &output_str, override_options->rep);

  if (!s.ok()) {
    SaveError(errptr, s);
    return nullptr;
  }

  // Allocate +1 for null terminator
  char* result = static_cast<char*>(malloc(output_str.size() + 1));
  if (!result) {
    SaveError(errptr, Status::MemoryLimit("Failed to allocate output buffer"));
    return nullptr;
  }

  memcpy(result, output_str.data(), output_str.size());
  result[output_str.size()] = '\0';

  // Only set output_len after successful allocation
  if (output_len) {
    *output_len = output_str.size();
  }

  return result;
}

char* rocksdb_open_and_compact_with_options(
    const rocksdb_open_and_compact_options_t* options, const char* db_path,
    const char* output_directory, const char* input, size_t input_len,
    size_t* output_len,
    const rocksdb_compaction_service_options_override_t* override_options,
    char** errptr) {
  if (!options || !db_path || !output_directory || !input ||
      !override_options) {
    SaveError(errptr, Status::InvalidArgument("Invalid arguments"));
    return nullptr;
  }

  std::string input_str(input, input_len);
  std::string output_str;

  Status s = DB::OpenAndCompact(options->rep, db_path, output_directory,
                                input_str, &output_str, override_options->rep);

  if (!s.ok()) {
    SaveError(errptr, s);
    return nullptr;
  }

  // Allocate +1 for null terminator
  char* result = static_cast<char*>(malloc(output_str.size() + 1));
  if (!result) {
    SaveError(errptr, Status::MemoryLimit("Failed to allocate output buffer"));
    return nullptr;
  }

  memcpy(result, output_str.data(), output_str.size());
  result[output_str.size()] = '\0';  // Null terminate

  // Only set output_len after successful allocation
  if (output_len) {
    *output_len = output_str.size();
  }

  return result;
}

rocksdb_t* rocksdb_open(const rocksdb_options_t* options, const char* name,
                        char** errptr) {
  std::unique_ptr<DB> dbptr;
  if (SaveError(errptr, DB::Open(options->rep, std::string(name), &dbptr))) {
    return nullptr;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_t* rocksdb_open_with_ttl(const rocksdb_options_t* options,
                                 const char* name, int ttl, char** errptr) {
  ROCKSDB_NAMESPACE::DBWithTTL* db;
  if (SaveError(errptr, ROCKSDB_NAMESPACE::DBWithTTL::Open(
                            options->rep, std::string(name), &db, ttl))) {
    return nullptr;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

rocksdb_t* rocksdb_open_for_read_only(const rocksdb_options_t* options,
                                      const char* name,
                                      unsigned char error_if_wal_file_exists,
                                      char** errptr) {
  std::unique_ptr<DB> dbptr;
  if (SaveError(errptr,
                DB::OpenForReadOnly(options->rep, std::string(name), &dbptr,
                                    error_if_wal_file_exists))) {
    return nullptr;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_t* rocksdb_open_as_secondary(const rocksdb_options_t* options,
                                     const char* name,
                                     const char* secondary_path,
                                     char** errptr) {
  std::unique_ptr<DB> dbptr;
  if (SaveError(errptr,
                DB::OpenAsSecondary(options->rep, std::string(name),
                                    std::string(secondary_path), &dbptr))) {
    return nullptr;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_backup_engine_t* rocksdb_backup_engine_open(
    const rocksdb_options_t* options, const char* path, char** errptr) {
  BackupEngine* be;
  if (SaveError(errptr, BackupEngine::Open(
                            options->rep.env,
                            BackupEngineOptions(path, nullptr, true,
                                                options->rep.info_log.get()),
                            &be))) {
    return nullptr;
  }
  rocksdb_backup_engine_t* result = new rocksdb_backup_engine_t;
  result->rep = be;
  return result;
}

rocksdb_backup_engine_t* rocksdb_backup_engine_open_opts(
    const rocksdb_backup_engine_options_t* options, rocksdb_env_t* env,
    char** errptr) {
  BackupEngine* be;
  if (SaveError(errptr, BackupEngine::Open(options->rep, env->rep, &be))) {
    return nullptr;
  }
  rocksdb_backup_engine_t* result = new rocksdb_backup_engine_t;
  result->rep = be;
  return result;
}

rocksdb_create_backup_options_t* rocksdb_create_backup_options_create() {
  return new rocksdb_create_backup_options_t;
}

void rocksdb_create_backup_options_destroy(
    rocksdb_create_backup_options_t* options) {
  delete options;
}

void rocksdb_create_backup_options_set_progress_callback(
    rocksdb_create_backup_options_t* options, void* state,
    rocksdb_create_backup_options_progress_cb callback) {
  options->progress_state = state;
  options->progress_callback = callback;
  if (callback == nullptr) {
    options->rep.progress_callback = {};
    return;
  }
  auto progress_cb = callback;
  auto progress_state = options->progress_state;
  options->rep.progress_callback = [progress_cb, progress_state]() {
    progress_cb(progress_state);
  };
}

void rocksdb_create_backup_options_set_exclude_files_callback(
    rocksdb_create_backup_options_t* options, void* state,
    rocksdb_create_backup_options_exclude_files_cb callback) {
  options->exclude_files_state = state;
  options->exclude_files_callback = callback;
  if (callback == nullptr) {
    options->rep.exclude_files_callback = {};
    return;
  }
  // Capture the callback and state by value (matching progress_callback above)
  // rather than the options wrapper pointer, so the lambda does not depend on
  // the wrapper outliving it.
  options->rep.exclude_files_callback = [callback, state](
                                            MaybeExcludeBackupFile* files_begin,
                                            MaybeExcludeBackupFile* files_end) {
    for (auto* file = files_begin; file != files_end; ++file) {
      file->exclude_decision = callback(state, file->info.relative_file.data(),
                                        file->info.relative_file.size());
    }
  };
}

void rocksdb_backup_engine_create_new_backup(rocksdb_backup_engine_t* be,
                                             rocksdb_t* db, char** errptr) {
  SaveError(errptr, be->rep->CreateNewBackup(db->rep));
}

void rocksdb_backup_engine_create_new_backup_flush(
    rocksdb_backup_engine_t* be, rocksdb_t* db,
    unsigned char flush_before_backup, char** errptr) {
  SaveError(errptr, be->rep->CreateNewBackup(db->rep, flush_before_backup));
}

void rocksdb_backup_engine_create_new_backup_with_options(
    rocksdb_backup_engine_t* be, rocksdb_t* db,
    const rocksdb_create_backup_options_t* options, uint32_t* backup_id,
    char** errptr) {
  CreateBackupOptions default_options;
  const CreateBackupOptions& effective_options =
      GetCreateBackupOptions(options, &default_options);
  BackupID new_backup_id = 0;
  BackupID* new_backup_id_ptr = backup_id != nullptr ? &new_backup_id : nullptr;
  if (!SaveError(errptr, be->rep->CreateNewBackup(effective_options, db->rep,
                                                  new_backup_id_ptr)) &&
      backup_id != nullptr) {
    *backup_id = new_backup_id;
  }
}

void rocksdb_backup_engine_create_new_backup_with_metadata(
    rocksdb_backup_engine_t* be, rocksdb_t* db,
    const rocksdb_create_backup_options_t* options, const char* app_metadata,
    size_t app_metadata_len, uint32_t* backup_id, char** errptr) {
  CreateBackupOptions default_options;
  const CreateBackupOptions& effective_options =
      GetCreateBackupOptions(options, &default_options);
  const char* effective_app_metadata =
      app_metadata != nullptr ? app_metadata : "";
  if (app_metadata == nullptr) {
    app_metadata_len = 0;
  }
  BackupID new_backup_id = 0;
  BackupID* new_backup_id_ptr = backup_id != nullptr ? &new_backup_id : nullptr;
  if (!SaveError(errptr,
                 be->rep->CreateNewBackupWithMetadata(
                     effective_options, db->rep,
                     std::string(effective_app_metadata, app_metadata_len),
                     new_backup_id_ptr)) &&
      backup_id != nullptr) {
    *backup_id = new_backup_id;
  }
}

void rocksdb_backup_engine_purge_old_backups(rocksdb_backup_engine_t* be,
                                             uint32_t num_backups_to_keep,
                                             char** errptr) {
  SaveError(errptr, be->rep->PurgeOldBackups(num_backups_to_keep));
}

rocksdb_restore_options_t* rocksdb_restore_options_create() {
  return new rocksdb_restore_options_t;
}

void rocksdb_restore_options_destroy(rocksdb_restore_options_t* opt) {
  delete opt;
}

void rocksdb_backup_engine_verify_backup(rocksdb_backup_engine_t* be,
                                         uint32_t backup_id, char** errptr) {
  SaveError(errptr, be->rep->VerifyBackup(static_cast<BackupID>(backup_id)));
}

void rocksdb_backup_engine_restore_db_from_latest_backup(
    rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir,
    const rocksdb_restore_options_t* restore_options, char** errptr) {
  SaveError(errptr, be->rep->RestoreDBFromLatestBackup(std::string(db_dir),
                                                       std::string(wal_dir),
                                                       restore_options->rep));
}

void rocksdb_backup_engine_restore_db_from_backup(
    rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir,
    const rocksdb_restore_options_t* restore_options, const uint32_t backup_id,
    char** errptr) {
  SaveError(errptr, be->rep->RestoreDBFromBackup(backup_id, std::string(db_dir),
                                                 std::string(wal_dir),
                                                 restore_options->rep));
}

const rocksdb_backup_engine_info_t* rocksdb_backup_engine_get_backup_info(
    rocksdb_backup_engine_t* be) {
  rocksdb_backup_engine_info_t* result = new rocksdb_backup_engine_info_t;
  be->rep->GetBackupInfo(&result->rep);
  return result;
}

int rocksdb_backup_engine_info_count(const rocksdb_backup_engine_info_t* info) {
  return static_cast<int>(info->rep.size());
}

int64_t rocksdb_backup_engine_info_timestamp(
    const rocksdb_backup_engine_info_t* info, int index) {
  return info->rep[index].timestamp;
}

uint32_t rocksdb_backup_engine_info_backup_id(
    const rocksdb_backup_engine_info_t* info, int index) {
  return info->rep[index].backup_id;
}

uint64_t rocksdb_backup_engine_info_size(
    const rocksdb_backup_engine_info_t* info, int index) {
  return info->rep[index].size;
}

uint32_t rocksdb_backup_engine_info_number_files(
    const rocksdb_backup_engine_info_t* info, int index) {
  return info->rep[index].number_files;
}

const char* rocksdb_backup_engine_info_app_metadata(
    const rocksdb_backup_engine_info_t* info, int index, size_t* len) {
  const std::string& app_metadata = info->rep[index].app_metadata;
  *len = app_metadata.size();
  return app_metadata.data();
}

void rocksdb_backup_engine_info_destroy(
    const rocksdb_backup_engine_info_t* info) {
  delete info;
}

void rocksdb_backup_engine_stop_backup(rocksdb_backup_engine_t* be) {
  be->rep->StopBackup();
}

void rocksdb_backup_engine_close(rocksdb_backup_engine_t* be) {
  delete be->rep;
  delete be;
}

rocksdb_backup_engine_options_t* rocksdb_backup_engine_options_create(
    const char* backup_dir) {
  return new rocksdb_backup_engine_options_t{
      BackupEngineOptions(std::string(backup_dir))};
}

void rocksdb_backup_engine_options_set_env(
    rocksdb_backup_engine_options_t* options, rocksdb_env_t* env) {
  options->rep.backup_env = (env ? env->rep : nullptr);
}

void rocksdb_backup_engine_options_set_backup_rate_limiter(
    rocksdb_backup_engine_options_t* options, rocksdb_ratelimiter_t* limiter) {
  if (limiter) {
    options->rep.backup_rate_limiter = limiter->rep;
  }
}

void rocksdb_backup_engine_options_set_restore_rate_limiter(
    rocksdb_backup_engine_options_t* options, rocksdb_ratelimiter_t* limiter) {
  if (limiter) {
    options->rep.restore_rate_limiter = limiter->rep;
  }
}

void rocksdb_backup_engine_options_destroy(
    rocksdb_backup_engine_options_t* options) {
  delete options;
}

void rocksdb_status_ptr_get_error(rocksdb_status_ptr_t* status, char** errptr) {
  SaveError(errptr, *(status->rep));
}

rocksdb_checkpoint_t* rocksdb_checkpoint_object_create(rocksdb_t* db,
                                                       char** errptr) {
  Checkpoint* checkpoint;
  if (SaveError(errptr, Checkpoint::Create(db->rep, &checkpoint))) {
    return nullptr;
  }
  rocksdb_checkpoint_t* result = new rocksdb_checkpoint_t;
  result->rep = checkpoint;
  return result;
}

void rocksdb_checkpoint_create(rocksdb_checkpoint_t* checkpoint,
                               const char* checkpoint_dir,
                               uint64_t log_size_for_flush, char** errptr) {
  SaveError(errptr, checkpoint->rep->CreateCheckpoint(
                        std::string(checkpoint_dir), log_size_for_flush));
}

rocksdb_export_import_files_metadata_t* rocksdb_checkpoint_export_column_family(
    rocksdb_checkpoint_t* checkpoint,
    rocksdb_column_family_handle_t* column_family, const char* export_dir,
    char** errptr) {
  ExportImportFilesMetaData* metadata = nullptr;
  if (SaveError(errptr,
                checkpoint->rep->ExportColumnFamily(
                    column_family->rep, std::string(export_dir), &metadata))) {
    return nullptr;
  }
  rocksdb_export_import_files_metadata_t* result =
      new rocksdb_export_import_files_metadata_t;
  result->rep = metadata;
  return result;
}

void rocksdb_checkpoint_object_destroy(rocksdb_checkpoint_t* checkpoint) {
  delete checkpoint->rep;
  delete checkpoint;
}

void rocksdb_close(rocksdb_t* db) {
  delete db->rep;
  delete db;
}

void rocksdb_options_set_uint64add_merge_operator(rocksdb_options_t* opt) {
  opt->rep.merge_operator =
      ROCKSDB_NAMESPACE::MergeOperators::CreateUInt64AddOperator();
}

rocksdb_t* rocksdb_open_and_trim_history(
    const rocksdb_options_t* db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char* trim_ts,
    size_t trim_tslen, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  column_families.reserve(num_column_families);
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  std::string trim_ts_(trim_ts, trim_tslen);

  std::unique_ptr<DB> dbptr;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::OpenAndTrimHistory(
                            DBOptions(db_options->rep), std::string(name),
                            column_families, &handles, &dbptr, trim_ts_))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_t* rocksdb_open_column_families(
    const rocksdb_options_t* db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  std::unique_ptr<DB> dbptr;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::Open(DBOptions(db_options->rep), std::string(name),
                                 column_families, &handles, &dbptr))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_t* rocksdb_open_column_families_with_ttl(
    const rocksdb_options_t* db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, const int* ttls,
    char** errptr) {
  std::vector<int32_t> ttls_vec;
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i < num_column_families; i++) {
    ttls_vec.push_back(ttls[i]);

    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  ROCKSDB_NAMESPACE::DBWithTTL* db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, ROCKSDB_NAMESPACE::DBWithTTL::Open(
                            DBOptions(db_options->rep), std::string(name),
                            column_families, &handles, &db, ttls_vec))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

rocksdb_t* rocksdb_open_for_read_only_column_families(
    const rocksdb_options_t* db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles,
    unsigned char error_if_wal_file_exists, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  std::unique_ptr<DB> dbptr;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::OpenForReadOnly(DBOptions(db_options->rep),
                                            std::string(name), column_families,
                                            &handles, &dbptr,
                                            error_if_wal_file_exists))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

rocksdb_t* rocksdb_open_as_secondary_column_families(
    const rocksdb_options_t* db_options, const char* name,
    const char* secondary_path, int num_column_families,
    const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i != num_column_families; ++i) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }
  std::unique_ptr<DB> dbptr;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::OpenAsSecondary(
                            DBOptions(db_options->rep), std::string(name),
                            std::string(secondary_path), column_families,
                            &handles, &dbptr))) {
    return nullptr;
  }
  for (size_t i = 0; i != handles.size(); ++i) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = dbptr.release();
  return result;
}

char** rocksdb_list_column_families(const rocksdb_options_t* options,
                                    const char* name, size_t* lencfs,
                                    char** errptr) {
  std::vector<std::string> fams;
  SaveError(errptr, DB::ListColumnFamilies(DBOptions(options->rep),
                                           std::string(name), &fams));

  *lencfs = fams.size();
  char** column_families =
      static_cast<char**>(malloc(sizeof(char*) * fams.size()));
  for (size_t i = 0; i < fams.size(); i++) {
    column_families[i] = strdup(fams[i].c_str());
  }
  return column_families;
}

void rocksdb_list_column_families_destroy(char** list, size_t len) {
  for (size_t i = 0; i < len; ++i) {
    free(list[i]);
  }
  free(list);
}

rocksdb_column_family_handle_t* rocksdb_create_column_family(
    rocksdb_t* db, const rocksdb_options_t* column_family_options,
    const char* column_family_name, char** errptr) {
  rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t;
  handle->rep = nullptr;
  if (SaveError(errptr, db->rep->CreateColumnFamily(
                            ColumnFamilyOptions(column_family_options->rep),
                            std::string(column_family_name), &(handle->rep)))) {
    delete handle;
    return nullptr;
  }
  handle->immortal = false;
  return handle;
}

rocksdb_column_family_handle_t** rocksdb_create_column_families(
    rocksdb_t* db, const rocksdb_options_t* column_family_options,
    int num_column_families, const char* const* column_family_names,
    size_t* lencfs, char** errptr) {
  std::vector<ColumnFamilyHandle*> handles;
  std::vector<std::string> names;
  for (int i = 0; i != num_column_families; ++i) {
    names.emplace_back(column_family_names[i]);
  }
  SaveError(errptr, db->rep->CreateColumnFamilies(
                        ColumnFamilyOptions(column_family_options->rep), names,
                        &handles));

  *lencfs = handles.size();
  rocksdb_column_family_handle_t** c_handles =
      static_cast<rocksdb_column_family_handle_t**>(
          malloc(sizeof(rocksdb_column_family_handle_t*) * handles.size()));
  for (size_t i = 0; i != handles.size(); ++i) {
    c_handles[i] = new rocksdb_column_family_handle_t;
    c_handles[i]->rep = handles[i];
    c_handles[i]->immortal = false;
  }

  return c_handles;
}

rocksdb_column_family_handle_t* rocksdb_create_column_family_with_import(
    rocksdb_t* db, rocksdb_options_t* column_family_options,
    const char* column_family_name,
    rocksdb_import_column_family_options_t* import_options,
    rocksdb_export_import_files_metadata_t* export_import_files_metadata,
    char** errptr) {
  rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t;
  handle->rep = nullptr;
  if (SaveError(errptr,
                db->rep->CreateColumnFamilyWithImport(
                    ColumnFamilyOptions(column_family_options->rep),
                    std::string(column_family_name), import_options->rep,
                    *(export_import_files_metadata->rep), &(handle->rep)))) {
    delete handle;
    return nullptr;
  }
  handle->immortal = false;
  return handle;
}

void rocksdb_create_column_families_destroy(
    rocksdb_column_family_handle_t** list) {
  free(list);
}

rocksdb_column_family_handle_t* rocksdb_create_column_family_with_ttl(
    rocksdb_t* db, const rocksdb_options_t* column_family_options,
    const char* column_family_name, int ttl, char** errptr) {
  ROCKSDB_NAMESPACE::DBWithTTL* db_with_ttl =
      static_cast<ROCKSDB_NAMESPACE::DBWithTTL*>(db->rep);
  rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t;
  SaveError(errptr, db_with_ttl->CreateColumnFamilyWithTtl(
                        ColumnFamilyOptions(column_family_options->rep),
                        std::string(column_family_name), &(handle->rep), ttl));
  handle->immortal = false;
  return handle;
}

void rocksdb_drop_column_family(rocksdb_t* db,
                                rocksdb_column_family_handle_t* handle,
                                char** errptr) {
  SaveError(errptr, db->rep->DropColumnFamily(handle->rep));
}

uint32_t rocksdb_column_family_handle_get_id(
    rocksdb_column_family_handle_t* handle) {
  return handle->rep->GetID();
}

char* rocksdb_column_family_handle_get_name(
    rocksdb_column_family_handle_t* handle, size_t* name_len) {
  auto name = handle->rep->GetName();
  *name_len = name.size();
  return CopyString(name);
}

rocksdb_column_family_handle_t* rocksdb_get_default_column_family_handle(
    rocksdb_t* db) {
  rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t;
  handle->rep = db->rep->DefaultColumnFamily();
  handle->immortal = true;
  return handle;
}

void rocksdb_column_family_handle_destroy(
    rocksdb_column_family_handle_t* handle) {
  if (!handle->immortal) {
    delete handle->rep;
  }
  delete handle;
}

// BEGIN generated: c_generated_db_simple_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'DB data operations'
//     --header-out
//     c_api_gen/c_generated_db_simple_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_db_simple_subset.cc.inc

/* DB data operations */

void rocksdb_put(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                 const char* key, size_t keylen, const char* val, size_t vallen,
                 char** errptr) {
  SaveError(errptr,
            db->rep->Put(options->rep, Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_put_cf(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                    rocksdb_column_family_handle_t* column_family,
                    const char* key, size_t keylen, const char* val,
                    size_t vallen, char** errptr) {
  SaveError(errptr, db->rep->Put(options->rep, column_family->rep,
                                 Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_delete(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                    const char* key, size_t keylen, char** errptr) {
  SaveError(errptr, db->rep->Delete(options->rep, Slice(key, keylen)));
}

void rocksdb_delete_cf(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                       rocksdb_column_family_handle_t* column_family,
                       const char* key, size_t keylen, char** errptr) {
  SaveError(errptr, db->rep->Delete(options->rep, column_family->rep,
                                    Slice(key, keylen)));
}

void rocksdb_merge(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                   const char* key, size_t keylen, const char* val,
                   size_t vallen, char** errptr) {
  SaveError(errptr, db->rep->Merge(options->rep, Slice(key, keylen),
                                   Slice(val, vallen)));
}

void rocksdb_merge_cf(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                      rocksdb_column_family_handle_t* column_family,
                      const char* key, size_t keylen, const char* val,
                      size_t vallen, char** errptr) {
  SaveError(errptr, db->rep->Merge(options->rep, column_family->rep,
                                   Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_write(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                   rocksdb_writebatch_t* batch, char** errptr) {
  SaveError(errptr, db->rep->Write(options->rep, &batch->rep));
}

void rocksdb_put_with_ts(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                         const char* key, size_t keylen, const char* ts,
                         size_t tslen, const char* val, size_t vallen,
                         char** errptr) {
  SaveError(errptr, db->rep->Put(options->rep, Slice(key, keylen),
                                 Slice(ts, tslen), Slice(val, vallen)));
}

void rocksdb_put_cf_with_ts(rocksdb_t* db,
                            const rocksdb_writeoptions_t* options,
                            rocksdb_column_family_handle_t* column_family,
                            const char* key, size_t keylen, const char* ts,
                            size_t tslen, const char* val, size_t vallen,
                            char** errptr) {
  SaveError(errptr,
            db->rep->Put(options->rep, column_family->rep, Slice(key, keylen),
                         Slice(ts, tslen), Slice(val, vallen)));
}

void rocksdb_delete_with_ts(rocksdb_t* db,
                            const rocksdb_writeoptions_t* options,
                            const char* key, size_t keylen, const char* ts,
                            size_t tslen, char** errptr) {
  SaveError(errptr, db->rep->Delete(options->rep, Slice(key, keylen),
                                    Slice(ts, tslen)));
}

void rocksdb_delete_cf_with_ts(rocksdb_t* db,
                               const rocksdb_writeoptions_t* options,
                               rocksdb_column_family_handle_t* column_family,
                               const char* key, size_t keylen, const char* ts,
                               size_t tslen, char** errptr) {
  SaveError(errptr, db->rep->Delete(options->rep, column_family->rep,
                                    Slice(key, keylen), Slice(ts, tslen)));
}

void rocksdb_singledelete(rocksdb_t* db, const rocksdb_writeoptions_t* options,
                          const char* key, size_t keylen, char** errptr) {
  SaveError(errptr, db->rep->SingleDelete(options->rep, Slice(key, keylen)));
}

void rocksdb_singledelete_cf(rocksdb_t* db,
                             const rocksdb_writeoptions_t* options,
                             rocksdb_column_family_handle_t* column_family,
                             const char* key, size_t keylen, char** errptr) {
  SaveError(errptr, db->rep->SingleDelete(options->rep, column_family->rep,
                                          Slice(key, keylen)));
}

void rocksdb_singledelete_with_ts(rocksdb_t* db,
                                  const rocksdb_writeoptions_t* options,
                                  const char* key, size_t keylen,
                                  const char* ts, size_t tslen, char** errptr) {
  SaveError(errptr, db->rep->SingleDelete(options->rep, Slice(key, keylen),
                                          Slice(ts, tslen)));
}

void rocksdb_singledelete_cf_with_ts(
    rocksdb_t* db, const rocksdb_writeoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, const char* ts, size_t tslen, char** errptr) {
  SaveError(errptr,
            db->rep->SingleDelete(options->rep, column_family->rep,
                                  Slice(key, keylen), Slice(ts, tslen)));
}

void rocksdb_delete_range_cf(rocksdb_t* db,
                             const rocksdb_writeoptions_t* options,
                             rocksdb_column_family_handle_t* column_family,
                             const char* start_key, size_t start_key_len,
                             const char* end_key, size_t end_key_len,
                             char** errptr) {
  SaveError(errptr, db->rep->DeleteRange(options->rep, column_family->rep,
                                         Slice(start_key, start_key_len),
                                         Slice(end_key, end_key_len)));
}

void rocksdb_flush(rocksdb_t* db, const rocksdb_flushoptions_t* options,
                   char** errptr) {
  SaveError(errptr, db->rep->Flush(options->rep));
}

void rocksdb_flush_cf(rocksdb_t* db, const rocksdb_flushoptions_t* options,
                      rocksdb_column_family_handle_t* column_family,
                      char** errptr) {
  SaveError(errptr, db->rep->Flush(options->rep, column_family->rep));
}

void rocksdb_flush_wal(rocksdb_t* db, unsigned char sync, char** errptr) {
  SaveError(errptr, db->rep->FlushWAL(sync));
}

void rocksdb_pause_background_work(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->PauseBackgroundWork());
}

void rocksdb_continue_background_work(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->ContinueBackgroundWork());
}

void rocksdb_disable_file_deletions(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->DisableFileDeletions());
}

void rocksdb_enable_file_deletions(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->EnableFileDeletions());
}

void rocksdb_verify_checksum(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->VerifyChecksum());
}

void rocksdb_verify_file_checksums(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->VerifyFileChecksums(ReadOptions()));
}

void rocksdb_destroy_db(const rocksdb_options_t* options, const char* name,
                        char** errptr) {
  SaveError(errptr, DestroyDB(name, options->rep));
}

void rocksdb_repair_db(const rocksdb_options_t* options, const char* name,
                       char** errptr) {
  SaveError(errptr, RepairDB(name, options->rep));
}
// END generated: c_generated_db_simple_subset.cc.inc

void rocksdb_verify_checksum_with_options(rocksdb_t* db,
                                          const rocksdb_readoptions_t* options,
                                          char** errptr) {
  ReadOptions default_options;
  const ReadOptions& read_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr, db->rep->VerifyChecksum(read_options));
}

void rocksdb_verify_file_checksums_with_options(
    rocksdb_t* db, const rocksdb_readoptions_t* options, char** errptr) {
  ReadOptions default_options;
  const ReadOptions& read_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr, db->rep->VerifyFileChecksums(read_options));
}

void rocksdb_increase_full_history_ts_low(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    const char* ts_low, size_t ts_lowlen, char** errptr) {
  std::string ts(ts_low, ts_lowlen);
  SaveError(errptr, db->rep->IncreaseFullHistoryTsLow(column_family->rep, ts));
}

char* rocksdb_get_full_history_ts_low(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    size_t* ts_len, char** errptr) {
  char* result = nullptr;
  std::string tmp;
  Status s = db->rep->GetFullHistoryTsLow(column_family->rep, &tmp);
  if (s.ok()) {
    *ts_len = tmp.size();
    result = CopyString(tmp);
  } else {
    *ts_len = 0;
    SaveError(errptr, s);
  }
  return result;
}

char* rocksdb_get(rocksdb_t* db, const rocksdb_readoptions_t* options,
                  const char* key, size_t keylen, size_t* vallen,
                  char** errptr) {
  char* result = nullptr;
  // Use PinnableSlice to avoid unnecessary copy
  PinnableSlice pinnable_val;
  Status s = db->rep->Get(options->rep, db->rep->DefaultColumnFamily(),
                          Slice(key, keylen), &pinnable_val);
  if (s.ok()) {
    *vallen = pinnable_val.size();
    // Only one copy: from PinnableSlice to malloc'd buffer
    result = CopyString(pinnable_val);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_get_cf(rocksdb_t* db, const rocksdb_readoptions_t* options,
                     rocksdb_column_family_handle_t* column_family,
                     const char* key, size_t keylen, size_t* vallen,
                     char** errptr) {
  char* result = nullptr;
  // Use PinnableSlice to avoid unnecessary copy
  PinnableSlice pinnable_val;
  Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
                          &pinnable_val);
  if (s.ok()) {
    *vallen = pinnable_val.size();
    // Only one copy: from PinnableSlice to malloc'd buffer
    result = CopyString(pinnable_val);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_get_with_ts(rocksdb_t* db, const rocksdb_readoptions_t* options,
                          const char* key, size_t keylen, size_t* vallen,
                          char** ts, size_t* tslen, char** errptr) {
  char* result = nullptr;
  std::string tmp_val;
  std::string tmp_ts;
  Status s = db->rep->Get(options->rep, Slice(key, keylen), &tmp_val, &tmp_ts);
  if (s.ok()) {
    *vallen = tmp_val.size();
    result = CopyString(tmp_val);
    *tslen = tmp_ts.size();
    *ts = CopyString(tmp_ts);
  } else {
    *vallen = 0;
    *tslen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_get_cf_with_ts(rocksdb_t* db,
                             const rocksdb_readoptions_t* options,
                             rocksdb_column_family_handle_t* column_family,
                             const char* key, size_t keylen, size_t* vallen,
                             char** ts, size_t* tslen, char** errptr) {
  char* result = nullptr;
  std::string tmp;
  std::string tmp_ts;
  Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
                          &tmp, &tmp_ts);
  if (s.ok()) {
    *vallen = tmp.size();
    result = CopyString(tmp);
    *tslen = tmp_ts.size();
    *ts = CopyString(tmp_ts);
  } else {
    *vallen = 0;
    *tslen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_get_db_identity(rocksdb_t* db, size_t* id_len) {
  std::string identity_tmp;
  Status s = db->rep->GetDbIdentity(identity_tmp);
  if (!s.ok()) {
    *id_len = 0;
    return nullptr;
  }

  *id_len = identity_tmp.size();
  return CopyString(identity_tmp);
}

void rocksdb_multi_get(rocksdb_t* db, const rocksdb_readoptions_t* options,
                       size_t num_keys, const char* const* keys_list,
                       const size_t* keys_list_sizes, char** values_list,
                       size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency (avoids vector overhead for fixed-size array)
  std::unique_ptr<Slice[]> keys(new Slice[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  // Use PinnableSlice to avoid unnecessary allocations
  auto cfh = db->rep->DefaultColumnFamily();
  std::vector<PinnableSlice> values(num_keys);
  std::vector<Status> statuses(num_keys);
  db->rep->MultiGet(options->rep, cfh, num_keys, keys.get(), values.data(),
                    statuses.data());
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_multi_get_with_ts(rocksdb_t* db,
                               const rocksdb_readoptions_t* options,
                               size_t num_keys, const char* const* keys_list,
                               const size_t* keys_list_sizes,
                               char** values_list, size_t* values_list_sizes,
                               char** timestamp_list,
                               size_t* timestamp_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys_arr(new Slice[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys_arr[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  // Note: MultiGet with timestamps only has vector-based API
  std::vector<Slice> keys(keys_arr.get(), keys_arr.get() + num_keys);
  std::vector<std::string> values(num_keys);
  std::vector<std::string> timestamps(num_keys);
  std::vector<Status> statuses =
      db->rep->MultiGet(options->rep, keys, &values, &timestamps);
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      timestamp_list[i] = CopyString(timestamps[i]);
      timestamp_list_sizes[i] = timestamps[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      timestamp_list[i] = nullptr;
      timestamp_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_multi_get_cf(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    const rocksdb_column_family_handle_t* const* column_families,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency (avoids vector overhead for fixed-size
  // arrays)
  std::unique_ptr<Slice[]> keys(new Slice[num_keys]);
  std::unique_ptr<ColumnFamilyHandle*[]> cfs(new ColumnFamilyHandle*[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
    cfs[i] = column_families[i]->rep;
  }
  // Use PinnableSlice to avoid unnecessary allocations
  std::vector<PinnableSlice> values(num_keys);
  std::vector<Status> statuses(num_keys);
  db->rep->MultiGet(options->rep, num_keys, cfs.get(), keys.get(),
                    values.data(), statuses.data());
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_multi_get_cf_with_ts(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    const rocksdb_column_family_handle_t* const* column_families,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** timestamps_list,
    size_t* timestamps_list_sizes, char** errs) {
  // Use unique_ptr for efficiency (avoids vector overhead for fixed-size
  // arrays)
  std::unique_ptr<Slice[]> keys(new Slice[num_keys]);
  std::unique_ptr<ColumnFamilyHandle*[]> cfs(new ColumnFamilyHandle*[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
    cfs[i] = column_families[i]->rep;
  }
  // Use PinnableSlice to avoid unnecessary allocations
  std::vector<PinnableSlice> values(num_keys);
  std::vector<std::string> timestamps(num_keys);
  std::vector<Status> statuses(num_keys);
  db->rep->MultiGet(options->rep, num_keys, cfs.get(), keys.get(),
                    values.data(), timestamps.data(), statuses.data());
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      timestamps_list[i] = CopyString(timestamps[i]);
      timestamps_list_sizes[i] = timestamps[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      timestamps_list[i] = nullptr;
      timestamps_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_batched_multi_get_cf(rocksdb_t* db,
                                  const rocksdb_readoptions_t* options,
                                  rocksdb_column_family_handle_t* column_family,
                                  size_t num_keys, const char* const* keys_list,
                                  const size_t* keys_list_sizes,
                                  rocksdb_pinnableslice_t** values, char** errs,
                                  const bool sorted_input) {
  Slice* key_slices = new Slice[num_keys];
  PinnableSlice* value_slices = new PinnableSlice[num_keys];
  Status* statuses = new Status[num_keys];
  for (size_t i = 0; i < num_keys; ++i) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }

  db->rep->MultiGet(options->rep, column_family->rep, num_keys, key_slices,
                    value_slices, statuses, sorted_input);

  for (size_t i = 0; i < num_keys; ++i) {
    if (statuses[i].ok()) {
      values[i] = new (rocksdb_pinnableslice_t);
      values[i]->rep = std::move(value_slices[i]);
      errs[i] = nullptr;
    } else {
      values[i] = nullptr;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }

  delete[] key_slices;
  delete[] value_slices;
  delete[] statuses;
}

// Batched MultiGet that takes pre-built Slice array, avoiding key conversion
// overhead
void rocksdb_batched_multi_get_cf_slice(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, size_t num_keys,
    const rocksdb_slice_t* keys_list, rocksdb_pinnableslice_t** values,
    char** errs, const bool sorted_input) {
  PinnableSlice* value_slices = new PinnableSlice[num_keys];
  Status* statuses = new Status[num_keys];

  // Cast rocksdb_slice_t* to Slice* - they have identical memory layout
  const Slice* key_slices = reinterpret_cast<const Slice*>(keys_list);

  db->rep->MultiGet(options->rep, column_family->rep, num_keys, key_slices,
                    value_slices, statuses, sorted_input);

  for (size_t i = 0; i < num_keys; ++i) {
    if (statuses[i].ok()) {
      values[i] = new (rocksdb_pinnableslice_t);
      values[i]->rep = std::move(value_slices[i]);
      errs[i] = nullptr;
    } else {
      values[i] = nullptr;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }

  delete[] value_slices;
  delete[] statuses;
}

unsigned char rocksdb_key_may_exist(rocksdb_t* db,
                                    const rocksdb_readoptions_t* options,
                                    const char* key, size_t key_len,
                                    char** value, size_t* val_len,
                                    const char* timestamp, size_t timestamp_len,
                                    unsigned char* value_found) {
  std::string tmp;
  std::string time;
  if (timestamp) {
    time.assign(timestamp, timestamp_len);
  }
  bool found = false;
  const bool result = db->rep->KeyMayExist(options->rep, Slice(key, key_len),
                                           &tmp, timestamp ? &time : nullptr,
                                           value_found ? &found : nullptr);
  if (value_found) {
    *value_found = found;
    if (found) {
      *val_len = tmp.size();
      *value = CopyString(tmp);
    }
  }
  return result;
}

unsigned char rocksdb_key_may_exist_cf(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t key_len, char** value, size_t* val_len, const char* timestamp,
    size_t timestamp_len, unsigned char* value_found) {
  std::string tmp;
  std::string time;
  if (timestamp) {
    time.assign(timestamp, timestamp_len);
  }
  bool found = false;
  const bool result = db->rep->KeyMayExist(
      options->rep, column_family->rep, Slice(key, key_len), &tmp,
      timestamp ? &time : nullptr, value_found ? &found : nullptr);
  if (value_found) {
    *value_found = found;
    if (found) {
      *val_len = tmp.size();
      *value = CopyString(tmp);
    }
  }
  return result;
}

rocksdb_iterator_t* rocksdb_create_iterator(
    rocksdb_t* db, const rocksdb_readoptions_t* options) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = db->rep->NewIterator(options->rep);
  return result;
}

rocksdb_wal_iterator_t* rocksdb_get_updates_since(
    rocksdb_t* db, uint64_t seq_number,
    const rocksdb_wal_readoptions_t* options, char** errptr) {
  std::unique_ptr<TransactionLogIterator> iter;
  TransactionLogIterator::ReadOptions ro;
  if (options != nullptr) {
    ro = options->rep;
  }
  if (SaveError(errptr, db->rep->GetUpdatesSince(seq_number, &iter, ro))) {
    return nullptr;
  }
  rocksdb_wal_iterator_t* result = new rocksdb_wal_iterator_t;
  result->rep = iter.release();
  return result;
}

rocksdb_wal_files_t* rocksdb_get_sorted_wal_files(rocksdb_t* db,
                                                  char** errptr) {
  auto* result = new rocksdb_wal_files_t;
  VectorWalPtr wal_files;
  if (SaveError(errptr, db->rep->GetSortedWalFiles(wal_files))) {
    delete result;
    return nullptr;
  }
  result->rep.reserve(wal_files.size());
  for (const auto& wal_file : wal_files) {
    result->rep.push_back(CaptureWalFile(*wal_file));
  }
  return result;
}

rocksdb_wal_file_t* rocksdb_get_current_wal_file(rocksdb_t* db, char** errptr) {
  std::unique_ptr<WalFile> wal_file;
  if (SaveError(errptr, db->rep->GetCurrentWalFile(&wal_file))) {
    return nullptr;
  }
  auto* result = new rocksdb_wal_file_t;
  *result = CaptureWalFile(*wal_file);
  return result;
}

void rocksdb_wal_iter_next(rocksdb_wal_iterator_t* iter) { iter->rep->Next(); }

unsigned char rocksdb_wal_iter_valid(const rocksdb_wal_iterator_t* iter) {
  return iter->rep->Valid();
}

void rocksdb_wal_iter_status(const rocksdb_wal_iterator_t* iter,
                             char** errptr) {
  SaveError(errptr, iter->rep->status());
}

void rocksdb_wal_iter_destroy(const rocksdb_wal_iterator_t* iter) {
  delete iter->rep;
  delete iter;
}

rocksdb_wal_readoptions_t* rocksdb_wal_readoptions_create() {
  return new rocksdb_wal_readoptions_t;
}

void rocksdb_wal_readoptions_destroy(rocksdb_wal_readoptions_t* options) {
  delete options;
}

void rocksdb_wal_readoptions_set_verify_checksums(
    rocksdb_wal_readoptions_t* options, unsigned char verify_checksums) {
  options->rep.verify_checksums_ = verify_checksums != 0;
}

unsigned char rocksdb_wal_readoptions_get_verify_checksums(
    rocksdb_wal_readoptions_t* options) {
  return options->rep.verify_checksums_;
}

const char* rocksdb_wal_file_path_name(const rocksdb_wal_file_t* file) {
  return file->path_name.c_str();
}

uint64_t rocksdb_wal_file_log_number(const rocksdb_wal_file_t* file) {
  return file->log_number;
}

int rocksdb_wal_file_type(const rocksdb_wal_file_t* file) { return file->type; }

uint64_t rocksdb_wal_file_start_sequence(const rocksdb_wal_file_t* file) {
  return file->start_sequence;
}

uint64_t rocksdb_wal_file_size_file_bytes(const rocksdb_wal_file_t* file) {
  return file->size_file_bytes;
}

void rocksdb_wal_file_destroy(rocksdb_wal_file_t* file) { delete file; }

size_t rocksdb_wal_files_count(const rocksdb_wal_files_t* files) {
  return files->rep.size();
}

const rocksdb_wal_file_t* rocksdb_wal_files_get_wal_file(
    const rocksdb_wal_files_t* files, size_t index) {
  if (index >= files->rep.size()) {
    return nullptr;
  }
  return &files->rep[index];
}

void rocksdb_wal_files_destroy(rocksdb_wal_files_t* files) { delete files; }

rocksdb_writebatch_t* rocksdb_wal_iter_get_batch(
    const rocksdb_wal_iterator_t* iter, uint64_t* seq) {
  rocksdb_writebatch_t* result = rocksdb_writebatch_create();
  BatchResult wal_batch = iter->rep->GetBatch();
  result->rep = std::move(*wal_batch.writeBatchPtr);
  if (seq != nullptr) {
    *seq = wal_batch.sequence;
  }
  return result;
}

uint64_t rocksdb_get_latest_sequence_number(rocksdb_t* db) {
  return db->rep->GetLatestSequenceNumber();
}

rocksdb_iterator_t* rocksdb_create_iterator_cf(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = db->rep->NewIterator(options->rep, column_family->rep);
  return result;
}

void rocksdb_create_iterators(rocksdb_t* db, rocksdb_readoptions_t* opts,
                              rocksdb_column_family_handle_t** column_families,
                              rocksdb_iterator_t** iterators, size_t size,
                              char** errptr) {
  std::vector<ColumnFamilyHandle*> column_families_vec;
  for (size_t i = 0; i < size; i++) {
    column_families_vec.push_back(column_families[i]->rep);
  }

  std::vector<Iterator*> res;
  Status status = db->rep->NewIterators(opts->rep, column_families_vec, &res);
  assert(res.size() == size);
  if (SaveError(errptr, status)) {
    return;
  }

  for (size_t i = 0; i < size; i++) {
    iterators[i] = new rocksdb_iterator_t;
    iterators[i]->rep = res[i];
  }
}

const rocksdb_snapshot_t* rocksdb_create_snapshot(rocksdb_t* db) {
  rocksdb_snapshot_t* result = new rocksdb_snapshot_t;
  result->rep = db->rep->GetSnapshot();
  return result;
}

void rocksdb_release_snapshot(rocksdb_t* db,
                              const rocksdb_snapshot_t* snapshot) {
  db->rep->ReleaseSnapshot(snapshot->rep);
  delete snapshot;
}

uint64_t rocksdb_snapshot_get_sequence_number(
    const rocksdb_snapshot_t* snapshot) {
  return snapshot->rep->GetSequenceNumber();
}

char* rocksdb_property_value(rocksdb_t* db, const char* propname) {
  std::string tmp;
  if (db->rep->GetProperty(Slice(propname), &tmp)) {
    // We use strdup() since we expect human readable output.
    return strdup(tmp.c_str());
  } else {
    return nullptr;
  }
}

int rocksdb_property_int(rocksdb_t* db, const char* propname,
                         uint64_t* out_val) {
  if (db->rep->GetIntProperty(Slice(propname), out_val)) {
    return 0;
  } else {
    return -1;
  }
}

int rocksdb_property_int_cf(rocksdb_t* db,
                            rocksdb_column_family_handle_t* column_family,
                            const char* propname, uint64_t* out_val) {
  if (db->rep->GetIntProperty(column_family->rep, Slice(propname), out_val)) {
    return 0;
  } else {
    return -1;
  }
}

char* rocksdb_property_value_cf(rocksdb_t* db,
                                rocksdb_column_family_handle_t* column_family,
                                const char* propname) {
  std::string tmp;
  if (db->rep->GetProperty(column_family->rep, Slice(propname), &tmp)) {
    // We use strdup() since we expect human readable output.
    return strdup(tmp.c_str());
  } else {
    return nullptr;
  }
}

void rocksdb_approximate_sizes(rocksdb_t* db, int num_ranges,
                               const char* const* range_start_key,
                               const size_t* range_start_key_len,
                               const char* const* range_limit_key,
                               const size_t* range_limit_key_len,
                               uint64_t* sizes, char** errptr) {
  auto ranges = BuildRanges(num_ranges, range_start_key, range_start_key_len,
                            range_limit_key, range_limit_key_len);
  Status s = db->rep->GetApproximateSizes(ranges.get(), num_ranges, sizes);
  if (!s.ok()) {
    SaveError(errptr, s);
  }
}

void rocksdb_approximate_sizes_cf(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    int num_ranges, const char* const* range_start_key,
    const size_t* range_start_key_len, const char* const* range_limit_key,
    const size_t* range_limit_key_len, uint64_t* sizes, char** errptr) {
  auto ranges = BuildRanges(num_ranges, range_start_key, range_start_key_len,
                            range_limit_key, range_limit_key_len);
  Status s = db->rep->GetApproximateSizes(column_family->rep, ranges.get(),
                                          num_ranges, sizes);
  if (!s.ok()) {
    SaveError(errptr, s);
  }
}

extern ROCKSDB_LIBRARY_API void rocksdb_approximate_sizes_cf_with_flags(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    int num_ranges, const char* const* range_start_key,
    const size_t* range_start_key_len, const char* const* range_limit_key,
    const size_t* range_limit_key_len, uint8_t include_flags, uint64_t* sizes,
    char** errptr) {
  auto ranges = BuildRanges(num_ranges, range_start_key, range_start_key_len,
                            range_limit_key, range_limit_key_len);
  Status s = db->rep->GetApproximateSizes(
      column_family->rep, ranges.get(), num_ranges, sizes,
      static_cast<DB::SizeApproximationFlags>(include_flags));
  if (!s.ok()) {
    SaveError(errptr, s);
  }
}

rocksdb_size_approximation_options_t*
rocksdb_size_approximation_options_create() {
  return new rocksdb_size_approximation_options_t;
}

void rocksdb_size_approximation_options_destroy(
    rocksdb_size_approximation_options_t* options) {
  delete options;
}

void rocksdb_approximate_sizes_with_options(
    rocksdb_t* db, const rocksdb_size_approximation_options_t* options,
    int num_ranges, const char* const* range_start_key,
    const size_t* range_start_key_len, const char* const* range_limit_key,
    const size_t* range_limit_key_len, uint64_t* sizes, char** errptr) {
  auto ranges = BuildRanges(num_ranges, range_start_key, range_start_key_len,
                            range_limit_key, range_limit_key_len);
  SizeApproximationOptions default_options;
  const SizeApproximationOptions& size_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr, db->rep->GetApproximateSizes(
                        size_options, db->rep->DefaultColumnFamily(),
                        ranges.get(), num_ranges, sizes));
}

void rocksdb_approximate_sizes_cf_with_options(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    const rocksdb_size_approximation_options_t* options, int num_ranges,
    const char* const* range_start_key, const size_t* range_start_key_len,
    const char* const* range_limit_key, const size_t* range_limit_key_len,
    uint64_t* sizes, char** errptr) {
  auto ranges = BuildRanges(num_ranges, range_start_key, range_start_key_len,
                            range_limit_key, range_limit_key_len);
  SizeApproximationOptions default_options;
  const SizeApproximationOptions& size_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr,
            db->rep->GetApproximateSizes(size_options, column_family->rep,
                                         ranges.get(), num_ranges, sizes));
}

const rocksdb_livefiles_t* rocksdb_livefiles(rocksdb_t* db) {
  rocksdb_livefiles_t* result = new rocksdb_livefiles_t;
  db->rep->GetLiveFilesMetaData(&result->rep);
  return result;
}

void rocksdb_compact_range(rocksdb_t* db, const char* start_key,
                           size_t start_key_len, const char* limit_key,
                           size_t limit_key_len) {
  Slice a;
  Slice b;
  db->rep->CompactRange(
      CompactRangeOptions(),
      // Pass nullptr Slice if corresponding "const char*" is nullptr
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
}

void rocksdb_compact_range_cf(rocksdb_t* db,
                              rocksdb_column_family_handle_t* column_family,
                              const char* start_key, size_t start_key_len,
                              const char* limit_key, size_t limit_key_len) {
  Slice a;
  Slice b;
  db->rep->CompactRange(
      CompactRangeOptions(), column_family->rep,
      // Pass nullptr Slice if corresponding "const char*" is nullptr
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
}

void rocksdb_suggest_compact_range(rocksdb_t* db, const char* start_key,
                                   size_t start_key_len, const char* limit_key,
                                   size_t limit_key_len, char** errptr) {
  Slice a;
  Slice b;
  Status s = ROCKSDB_NAMESPACE::experimental::SuggestCompactRange(
      db->rep,
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
  SaveError(errptr, s);
}

void rocksdb_suggest_compact_range_cf(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    const char* start_key, size_t start_key_len, const char* limit_key,
    size_t limit_key_len, char** errptr) {
  Slice a;
  Slice b;
  Status s = db->rep->SuggestCompactRange(
      column_family->rep,
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
  SaveError(errptr, s);
}

void rocksdb_compact_range_opt(rocksdb_t* db, rocksdb_compactoptions_t* opt,
                               const char* start_key, size_t start_key_len,
                               const char* limit_key, size_t limit_key_len) {
  Slice a;
  Slice b;
  db->rep->CompactRange(
      opt->rep,
      // Pass nullptr Slice if corresponding "const char*" is nullptr
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
}

void rocksdb_compact_range_cf_opt(rocksdb_t* db,
                                  rocksdb_column_family_handle_t* column_family,
                                  rocksdb_compactoptions_t* opt,
                                  const char* start_key, size_t start_key_len,
                                  const char* limit_key, size_t limit_key_len) {
  Slice a;
  Slice b;
  db->rep->CompactRange(
      opt->rep, column_family->rep,
      // Pass nullptr Slice if corresponding "const char*" is nullptr
      (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
      (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr));
}

void rocksdb_compact_files_output_file_names_destroy(
    char** output_file_names, size_t num_output_file_names) {
  rocksdb_list_column_families_destroy(output_file_names,
                                       num_output_file_names);
}

void rocksdb_compact_files(rocksdb_t* db,
                           const rocksdb_compaction_options_t* options,
                           const char* const* input_file_names,
                           size_t num_input_file_names, int output_level,
                           int output_path_id, char*** output_file_names,
                           size_t* num_output_file_names,
                           rocksdb_compactionjobinfo_t* compaction_job_info,
                           char** errptr) {
  rocksdb_compact_files_cf(db, nullptr, options, input_file_names,
                           num_input_file_names, output_level, output_path_id,
                           output_file_names, num_output_file_names,
                           compaction_job_info, errptr);
}

void rocksdb_compact_files_cf(rocksdb_t* db,
                              rocksdb_column_family_handle_t* column_family,
                              const rocksdb_compaction_options_t* options,
                              const char* const* input_file_names,
                              size_t num_input_file_names, int output_level,
                              int output_path_id, char*** output_file_names,
                              size_t* num_output_file_names,
                              rocksdb_compactionjobinfo_t* compaction_job_info,
                              char** errptr) {
  std::vector<std::string> input_files;
  input_files.reserve(num_input_file_names);
  for (size_t i = 0; i < num_input_file_names; ++i) {
    input_files.emplace_back(input_file_names[i]);
  }

  std::vector<std::string> output_files;
  std::vector<std::string>* output_files_ptr =
      output_file_names != nullptr ? &output_files : nullptr;
  CompactionOptions default_options;
  const CompactionOptions* compaction_options =
      options != nullptr ? &options->rep : &default_options;
  ColumnFamilyHandle* cf_handle = column_family != nullptr
                                      ? column_family->rep
                                      : db->rep->DefaultColumnFamily();
  CompactionJobInfo* job_info =
      compaction_job_info != nullptr ? &compaction_job_info->rep : nullptr;

  Status s = db->rep->CompactFiles(*compaction_options, cf_handle, input_files,
                                   output_level, output_path_id,
                                   output_files_ptr, job_info);
  if (SaveError(errptr, s)) {
    return;
  }

  if (num_output_file_names != nullptr) {
    *num_output_file_names = output_files.size();
  }
  if (output_file_names != nullptr) {
    *output_file_names = CopyStringVector(output_files);
  }
}

void rocksdb_flush_cfs(rocksdb_t* db, const rocksdb_flushoptions_t* options,
                       rocksdb_column_family_handle_t** column_families,
                       int num_column_families, char** errptr) {
  std::vector<ColumnFamilyHandle*> column_family_handles;
  column_family_handles.reserve(num_column_families);
  for (int i = 0; i < num_column_families; i++) {
    column_family_handles.push_back(column_families[i]->rep);
  }

  SaveError(errptr, db->rep->Flush(options->rep, column_family_handles));
}

void rocksdb_iter_destroy(rocksdb_iterator_t* iter) {
  delete iter->rep;
  delete iter;
}

unsigned char rocksdb_iter_valid(const rocksdb_iterator_t* iter) {
  return iter->rep->Valid();
}

void rocksdb_iter_seek_to_first(rocksdb_iterator_t* iter) {
  iter->rep->SeekToFirst();
}

void rocksdb_iter_seek_to_last(rocksdb_iterator_t* iter) {
  iter->rep->SeekToLast();
}

void rocksdb_iter_seek(rocksdb_iterator_t* iter, const char* k, size_t klen) {
  iter->rep->Seek(Slice(k, klen));
}

void rocksdb_iter_seek_for_prev(rocksdb_iterator_t* iter, const char* k,
                                size_t klen) {
  iter->rep->SeekForPrev(Slice(k, klen));
}

void rocksdb_iter_next(rocksdb_iterator_t* iter) { iter->rep->Next(); }

void rocksdb_iter_prev(rocksdb_iterator_t* iter) { iter->rep->Prev(); }

const char* rocksdb_iter_key(const rocksdb_iterator_t* iter, size_t* klen) {
  Slice s = iter->rep->key();
  *klen = s.size();
  return s.data();
}

const char* rocksdb_iter_value(const rocksdb_iterator_t* iter, size_t* vlen) {
  Slice s = iter->rep->value();
  *vlen = s.size();
  return s.data();
}

const char* rocksdb_iter_timestamp(const rocksdb_iterator_t* iter,
                                   size_t* tslen) {
  Slice s = iter->rep->timestamp();
  *tslen = s.size();
  return s.data();
}

void rocksdb_iter_get_error(const rocksdb_iterator_t* iter, char** errptr) {
  SaveError(errptr, iter->rep->status());
}

// Iterator functions that return rocksdb_slice_t directly for better
// performance
rocksdb_slice_t rocksdb_iter_key_slice(const rocksdb_iterator_t* iter) {
  Slice s = iter->rep->key();
  rocksdb_slice_t result;
  result.data = s.data();
  result.size = s.size();
  return result;
}

rocksdb_slice_t rocksdb_iter_value_slice(const rocksdb_iterator_t* iter) {
  Slice s = iter->rep->value();
  rocksdb_slice_t result;
  result.data = s.data();
  result.size = s.size();
  return result;
}

rocksdb_slice_t rocksdb_iter_timestamp_slice(const rocksdb_iterator_t* iter) {
  Slice s = iter->rep->timestamp();
  rocksdb_slice_t result;
  result.data = s.data();
  result.size = s.size();
  return result;
}

void rocksdb_iter_refresh(const rocksdb_iterator_t* iter, char** errptr) {
  SaveError(errptr, iter->rep->Refresh());
}

rocksdb_writebatch_t* rocksdb_writebatch_create() {
  return new rocksdb_writebatch_t;
}

rocksdb_writebatch_t* rocksdb_writebatch_create_from(const char* rep,
                                                     size_t size) {
  rocksdb_writebatch_t* b = new rocksdb_writebatch_t;
  b->rep = WriteBatch(std::string(rep, size));
  return b;
}

rocksdb_writebatch_t* rocksdb_writebatch_create_with_params(
    size_t reserved_bytes, size_t max_bytes, size_t protection_bytes_per_key,
    size_t default_cf_ts_sz) {
  rocksdb_writebatch_t* b = new rocksdb_writebatch_t;
  b->rep = WriteBatch(reserved_bytes, max_bytes, protection_bytes_per_key,
                      default_cf_ts_sz);
  return b;
}

void rocksdb_writebatch_destroy(rocksdb_writebatch_t* b) { delete b; }

int rocksdb_writebatch_count(rocksdb_writebatch_t* b) { return b->rep.Count(); }

// BEGIN generated: c_generated_writebatch_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'WriteBatch'
//     --header-out
//     c_api_gen/c_generated_writebatch_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_writebatch_subset.cc.inc

/* WriteBatch */

void rocksdb_writebatch_clear(rocksdb_writebatch_t* b) { b->rep.Clear(); }

void rocksdb_writebatch_put(rocksdb_writebatch_t* b, const char* key,
                            size_t klen, const char* val, size_t vlen) {
  b->rep.Put(Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_put_cf(rocksdb_writebatch_t* b,
                               rocksdb_column_family_handle_t* column_family,
                               const char* key, size_t klen, const char* val,
                               size_t vlen) {
  b->rep.Put(column_family->rep, Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_delete(rocksdb_writebatch_t* b, const char* key,
                               size_t klen) {
  b->rep.Delete(Slice(key, klen));
}

void rocksdb_writebatch_put_log_data(rocksdb_writebatch_t* b, const char* blob,
                                     size_t len) {
  b->rep.PutLogData(Slice(blob, len));
}

void rocksdb_writebatch_set_save_point(rocksdb_writebatch_t* b) {
  b->rep.SetSavePoint();
}

void rocksdb_writebatch_rollback_to_save_point(rocksdb_writebatch_t* b,
                                               char** errptr) {
  SaveError(errptr, b->rep.RollbackToSavePoint());
}

void rocksdb_writebatch_pop_save_point(rocksdb_writebatch_t* b, char** errptr) {
  SaveError(errptr, b->rep.PopSavePoint());
}

void rocksdb_writebatch_verify_checksum(rocksdb_writebatch_t* b,
                                        char** errptr) {
  SaveError(errptr, b->rep.VerifyChecksum());
}
// END generated: c_generated_writebatch_subset.cc.inc

void rocksdb_writebatch_put_cf_with_ts(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen, const char* ts, size_t tslen, const char* val,
    size_t vlen) {
  b->rep.Put(column_family->rep, Slice(key, klen), Slice(ts, tslen),
             Slice(val, vlen));
}

void rocksdb_writebatch_putv(rocksdb_writebatch_t* b, int num_keys,
                             const char* const* keys_list,
                             const size_t* keys_list_sizes, int num_values,
                             const char* const* values_list,
                             const size_t* values_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Put immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep.Put(SliceParts(key_slices.get(), num_keys),
             SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_putv_cf(rocksdb_writebatch_t* b,
                                rocksdb_column_family_handle_t* column_family,
                                int num_keys, const char* const* keys_list,
                                const size_t* keys_list_sizes, int num_values,
                                const char* const* values_list,
                                const size_t* values_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Put immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep.Put(column_family->rep, SliceParts(key_slices.get(), num_keys),
             SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_merge(rocksdb_writebatch_t* b, const char* key,
                              size_t klen, const char* val, size_t vlen) {
  b->rep.Merge(Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_merge_cf(rocksdb_writebatch_t* b,
                                 rocksdb_column_family_handle_t* column_family,
                                 const char* key, size_t klen, const char* val,
                                 size_t vlen) {
  b->rep.Merge(column_family->rep, Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_mergev(rocksdb_writebatch_t* b, int num_keys,
                               const char* const* keys_list,
                               const size_t* keys_list_sizes, int num_values,
                               const char* const* values_list,
                               const size_t* values_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Merge immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep.Merge(SliceParts(key_slices.get(), num_keys),
               SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_mergev_cf(rocksdb_writebatch_t* b,
                                  rocksdb_column_family_handle_t* column_family,
                                  int num_keys, const char* const* keys_list,
                                  const size_t* keys_list_sizes, int num_values,
                                  const char* const* values_list,
                                  const size_t* values_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Merge immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep.Merge(column_family->rep, SliceParts(key_slices.get(), num_keys),
               SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_singledelete(rocksdb_writebatch_t* b, const char* key,
                                     size_t klen) {
  b->rep.SingleDelete(Slice(key, klen));
}

void rocksdb_writebatch_delete_cf(rocksdb_writebatch_t* b,
                                  rocksdb_column_family_handle_t* column_family,
                                  const char* key, size_t klen) {
  b->rep.Delete(column_family->rep, Slice(key, klen));
}

void rocksdb_writebatch_delete_cf_with_ts(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen, const char* ts, size_t tslen) {
  b->rep.Delete(column_family->rep, Slice(key, klen), Slice(ts, tslen));
}

void rocksdb_writebatch_singledelete_cf(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen) {
  b->rep.SingleDelete(column_family->rep, Slice(key, klen));
}

void rocksdb_writebatch_singledelete_cf_with_ts(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen, const char* ts, size_t tslen) {
  b->rep.SingleDelete(column_family->rep, Slice(key, klen), Slice(ts, tslen));
}

void rocksdb_writebatch_deletev(rocksdb_writebatch_t* b, int num_keys,
                                const char* const* keys_list,
                                const size_t* keys_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Delete immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  b->rep.Delete(SliceParts(key_slices.get(), num_keys));
}

void rocksdb_writebatch_deletev_cf(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* keys_list, const size_t* keys_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::Delete immediately copies the data
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  b->rep.Delete(column_family->rep, SliceParts(key_slices.get(), num_keys));
}

void rocksdb_writebatch_delete_range(rocksdb_writebatch_t* b,
                                     const char* start_key,
                                     size_t start_key_len, const char* end_key,
                                     size_t end_key_len) {
  b->rep.DeleteRange(Slice(start_key, start_key_len),
                     Slice(end_key, end_key_len));
}

void rocksdb_writebatch_delete_range_cf(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    const char* start_key, size_t start_key_len, const char* end_key,
    size_t end_key_len) {
  b->rep.DeleteRange(column_family->rep, Slice(start_key, start_key_len),
                     Slice(end_key, end_key_len));
}

void rocksdb_writebatch_delete_rangev(rocksdb_writebatch_t* b, int num_keys,
                                      const char* const* start_keys_list,
                                      const size_t* start_keys_list_sizes,
                                      const char* const* end_keys_list,
                                      const size_t* end_keys_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::DeleteRange immediately copies the data
  std::unique_ptr<Slice[]> start_key_slices(new Slice[num_keys]);
  std::unique_ptr<Slice[]> end_key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]);
    end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]);
  }
  b->rep.DeleteRange(SliceParts(start_key_slices.get(), num_keys),
                     SliceParts(end_key_slices.get(), num_keys));
}

void rocksdb_writebatch_delete_rangev_cf(
    rocksdb_writebatch_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* start_keys_list,
    const size_t* start_keys_list_sizes, const char* const* end_keys_list,
    const size_t* end_keys_list_sizes) {
  // Use unique_ptr instead of vector to avoid overhead
  // Safe because WriteBatch::DeleteRange immediately copies the data
  std::unique_ptr<Slice[]> start_key_slices(new Slice[num_keys]);
  std::unique_ptr<Slice[]> end_key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]);
    end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]);
  }
  b->rep.DeleteRange(column_family->rep,
                     SliceParts(start_key_slices.get(), num_keys),
                     SliceParts(end_key_slices.get(), num_keys));
}

class H : public WriteBatch::Handler {
 public:
  void* state_;
  void (*put_)(void*, const char* k, size_t klen, const char* v, size_t vlen);
  void (*deleted_)(void*, const char* k, size_t klen);
  void (*log_data_)(void*, const char* blob, size_t blob_len);

  void Put(const Slice& key, const Slice& value) override {
    (*put_)(state_, key.data(), key.size(), value.data(), value.size());
  }
  void Delete(const Slice& key) override {
    (*deleted_)(state_, key.data(), key.size());
  }
  void LogData(const Slice& blob) override {
    if (log_data_) {
      (*log_data_)(state_, blob.data(), blob.size());
    }
  }
  Status MarkNoop(bool /* empty_batch */) override { return Status::OK(); }
};

class HCF : public WriteBatch::Handler {
 public:
  void* state_;
  void (*put_cf_)(void*, uint32_t cfid, const char* k, size_t klen,
                  const char* v, size_t vlen);
  void (*deleted_cf_)(void*, uint32_t cfid, const char* k, size_t klen);
  void (*merge_cf_)(void*, uint32_t cfid, const char* k, size_t klen,
                    const char* v, size_t vlen);
  void (*log_data_)(void*, const char* blob, size_t blob_len);

  Status PutCF(uint32_t column_family_id, const Slice& key,
               const Slice& value) override {
    (*put_cf_)(state_, column_family_id, key.data(), key.size(), value.data(),
               value.size());
    return Status::OK();
  }
  Status DeleteCF(uint32_t column_family_id, const Slice& key) override {
    (*deleted_cf_)(state_, column_family_id, key.data(), key.size());
    return Status::OK();
  }
  Status MergeCF(uint32_t column_family_id, const Slice& key,
                 const Slice& value) override {
    (*merge_cf_)(state_, column_family_id, key.data(), key.size(), value.data(),
                 value.size());
    return Status::OK();
  }
  void LogData(const Slice& blob) override {
    if (log_data_) {
      (*log_data_)(state_, blob.data(), blob.size());
    }
  }
  Status MarkNoop(bool /* empty_batch */) override { return Status::OK(); }
};

void rocksdb_writebatch_iterate(rocksdb_writebatch_t* b, void* state,
                                void (*put)(void*, const char* k, size_t klen,
                                            const char* v, size_t vlen),
                                void (*deleted)(void*, const char* k,
                                                size_t klen)) {
  H handler;
  handler.state_ = state;
  handler.put_ = put;
  handler.deleted_ = deleted;
  handler.log_data_ = nullptr;
  b->rep.Iterate(&handler);
}

void rocksdb_writebatch_iterate_ld(
    rocksdb_writebatch_t* b, void* state,
    void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen),
    void (*deleted)(void*, const char* k, size_t klen),
    void (*log_data)(void*, const char* blob, size_t blob_len)) {
  H handler;
  handler.state_ = state;
  handler.put_ = put;
  handler.deleted_ = deleted;
  handler.log_data_ = log_data;
  b->rep.Iterate(&handler);
}

void rocksdb_writebatch_iterate_cf(
    rocksdb_writebatch_t* b, void* state,
    void (*put_cf)(void*, uint32_t cfid, const char* k, size_t klen,
                   const char* v, size_t vlen),
    void (*deleted_cf)(void*, uint32_t cfid, const char* k, size_t klen),
    void (*merge_cf)(void*, uint32_t cfid, const char* k, size_t klen,
                     const char* v, size_t vlen)) {
  HCF handler;
  handler.state_ = state;
  handler.put_cf_ = put_cf;
  handler.deleted_cf_ = deleted_cf;
  handler.merge_cf_ = merge_cf;
  handler.log_data_ = nullptr;
  b->rep.Iterate(&handler);
}

void rocksdb_writebatch_iterate_cf_ld(
    rocksdb_writebatch_t* b, void* state,
    void (*put_cf)(void*, uint32_t cfid, const char* k, size_t klen,
                   const char* v, size_t vlen),
    void (*deleted_cf)(void*, uint32_t cfid, const char* k, size_t klen),
    void (*merge_cf)(void*, uint32_t cfid, const char* k, size_t klen,
                     const char* v, size_t vlen),
    void (*log_data)(void*, const char* blob, size_t blob_len)) {
  HCF handler;
  handler.state_ = state;
  handler.put_cf_ = put_cf;
  handler.deleted_cf_ = deleted_cf;
  handler.merge_cf_ = merge_cf;
  handler.log_data_ = log_data;
  b->rep.Iterate(&handler);
}

const char* rocksdb_writebatch_data(rocksdb_writebatch_t* b, size_t* size) {
  *size = b->rep.GetDataSize();
  return b->rep.Data().c_str();
}

rocksdb_writebatch_wi_t* rocksdb_writebatch_wi_create(
    size_t reserved_bytes, unsigned char overwrite_key) {
  rocksdb_writebatch_wi_t* b = new rocksdb_writebatch_wi_t;
  b->rep = new WriteBatchWithIndex(BytewiseComparator(), reserved_bytes,
                                   overwrite_key);
  return b;
}

rocksdb_writebatch_wi_t* rocksdb_writebatch_wi_create_with_params(
    rocksdb_comparator_t* backup_index_comparator, size_t reserved_bytes,
    unsigned char overwrite_key, size_t max_bytes,
    size_t protection_bytes_per_key) {
  rocksdb_writebatch_wi_t* b = new rocksdb_writebatch_wi_t;
  b->rep = new WriteBatchWithIndex(backup_index_comparator, reserved_bytes,
                                   overwrite_key, max_bytes,
                                   protection_bytes_per_key);
  return b;
}

void rocksdb_writebatch_update_timestamps(
    rocksdb_writebatch_t* wb, const char* ts, size_t tslen, void* state,
    size_t (*get_ts_size)(void*, uint32_t), char** errptr) {
  SaveError(errptr, wb->rep.UpdateTimestamps(
                        Slice(ts, tslen), [&get_ts_size, &state](uint32_t cf) {
                          return (*get_ts_size)(state, cf);
                        }));
}

void rocksdb_writebatch_wi_update_timestamps(
    rocksdb_writebatch_wi_t* wb, const char* ts, size_t tslen, void* state,
    size_t (*get_ts_size)(void*, uint32_t), char** errptr) {
  SaveError(errptr, wb->rep->GetWriteBatch()->UpdateTimestamps(
                        Slice(ts, tslen), [&get_ts_size, &state](uint32_t cf) {
                          return (*get_ts_size)(state, cf);
                        }));
}

void rocksdb_writebatch_wi_destroy(rocksdb_writebatch_wi_t* b) {
  if (b->rep) {
    delete b->rep;
  }
  delete b;
}

void rocksdb_writebatch_wi_clear(rocksdb_writebatch_wi_t* b) {
  b->rep->Clear();
}

int rocksdb_writebatch_wi_count(rocksdb_writebatch_wi_t* b) {
  return b->rep->GetWriteBatch()->Count();
}

void rocksdb_writebatch_wi_put(rocksdb_writebatch_wi_t* b, const char* key,
                               size_t klen, const char* val, size_t vlen) {
  b->rep->Put(Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_wi_put_cf(rocksdb_writebatch_wi_t* b,
                                  rocksdb_column_family_handle_t* column_family,
                                  const char* key, size_t klen, const char* val,
                                  size_t vlen) {
  b->rep->Put(column_family->rep, Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_wi_putv(rocksdb_writebatch_wi_t* b, int num_keys,
                                const char* const* keys_list,
                                const size_t* keys_list_sizes, int num_values,
                                const char* const* values_list,
                                const size_t* values_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep->Put(SliceParts(key_slices.get(), num_keys),
              SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_wi_putv_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* keys_list, const size_t* keys_list_sizes,
    int num_values, const char* const* values_list,
    const size_t* values_list_sizes) {
  std::vector<Slice> key_slices(num_keys);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::vector<Slice> value_slices(num_values);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep->Put(column_family->rep, SliceParts(key_slices.data(), num_keys),
              SliceParts(value_slices.data(), num_values));
}

void rocksdb_writebatch_wi_merge(rocksdb_writebatch_wi_t* b, const char* key,
                                 size_t klen, const char* val, size_t vlen) {
  b->rep->Merge(Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_wi_merge_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen, const char* val, size_t vlen) {
  b->rep->Merge(column_family->rep, Slice(key, klen), Slice(val, vlen));
}

void rocksdb_writebatch_wi_mergev(rocksdb_writebatch_wi_t* b, int num_keys,
                                  const char* const* keys_list,
                                  const size_t* keys_list_sizes, int num_values,
                                  const char* const* values_list,
                                  const size_t* values_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep->Merge(SliceParts(key_slices.get(), num_keys),
                SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_wi_mergev_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* keys_list, const size_t* keys_list_sizes,
    int num_values, const char* const* values_list,
    const size_t* values_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::unique_ptr<Slice[]> value_slices(new Slice[num_values]);
  for (int i = 0; i < num_values; i++) {
    value_slices[i] = Slice(values_list[i], values_list_sizes[i]);
  }
  b->rep->Merge(column_family->rep, SliceParts(key_slices.get(), num_keys),
                SliceParts(value_slices.get(), num_values));
}

void rocksdb_writebatch_wi_delete(rocksdb_writebatch_wi_t* b, const char* key,
                                  size_t klen) {
  b->rep->Delete(Slice(key, klen));
}

void rocksdb_writebatch_wi_singledelete(rocksdb_writebatch_wi_t* b,
                                        const char* key, size_t klen) {
  b->rep->SingleDelete(Slice(key, klen));
}

void rocksdb_writebatch_wi_delete_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen) {
  b->rep->Delete(column_family->rep, Slice(key, klen));
}

void rocksdb_writebatch_wi_singledelete_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen) {
  b->rep->SingleDelete(column_family->rep, Slice(key, klen));
}

void rocksdb_writebatch_wi_deletev(rocksdb_writebatch_wi_t* b, int num_keys,
                                   const char* const* keys_list,
                                   const size_t* keys_list_sizes) {
  std::vector<Slice> key_slices(num_keys);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  b->rep->Delete(SliceParts(key_slices.data(), num_keys));
}

void rocksdb_writebatch_wi_deletev_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* keys_list, const size_t* keys_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    key_slices[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  b->rep->Delete(column_family->rep, SliceParts(key_slices.get(), num_keys));
}

void rocksdb_writebatch_wi_delete_range(rocksdb_writebatch_wi_t* b,
                                        const char* start_key,
                                        size_t start_key_len,
                                        const char* end_key,
                                        size_t end_key_len) {
  b->rep->DeleteRange(Slice(start_key, start_key_len),
                      Slice(end_key, end_key_len));
}

void rocksdb_writebatch_wi_delete_range_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    const char* start_key, size_t start_key_len, const char* end_key,
    size_t end_key_len) {
  b->rep->DeleteRange(column_family->rep, Slice(start_key, start_key_len),
                      Slice(end_key, end_key_len));
}

void rocksdb_writebatch_wi_delete_rangev(rocksdb_writebatch_wi_t* b,
                                         int num_keys,
                                         const char* const* start_keys_list,
                                         const size_t* start_keys_list_sizes,
                                         const char* const* end_keys_list,
                                         const size_t* end_keys_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> start_key_slices(new Slice[num_keys]);
  std::unique_ptr<Slice[]> end_key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]);
    end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]);
  }
  b->rep->DeleteRange(SliceParts(start_key_slices.get(), num_keys),
                      SliceParts(end_key_slices.get(), num_keys));
}

void rocksdb_writebatch_wi_delete_rangev_cf(
    rocksdb_writebatch_wi_t* b, rocksdb_column_family_handle_t* column_family,
    int num_keys, const char* const* start_keys_list,
    const size_t* start_keys_list_sizes, const char* const* end_keys_list,
    const size_t* end_keys_list_sizes) {
  // Use unique_ptr for better performance (avoids vector overhead)
  std::unique_ptr<Slice[]> start_key_slices(new Slice[num_keys]);
  std::unique_ptr<Slice[]> end_key_slices(new Slice[num_keys]);
  for (int i = 0; i < num_keys; i++) {
    start_key_slices[i] = Slice(start_keys_list[i], start_keys_list_sizes[i]);
    end_key_slices[i] = Slice(end_keys_list[i], end_keys_list_sizes[i]);
  }
  b->rep->DeleteRange(column_family->rep,
                      SliceParts(start_key_slices.get(), num_keys),
                      SliceParts(end_key_slices.get(), num_keys));
}

void rocksdb_writebatch_wi_put_log_data(rocksdb_writebatch_wi_t* b,
                                        const char* blob, size_t len) {
  b->rep->PutLogData(Slice(blob, len));
}

void rocksdb_writebatch_wi_iterate(
    rocksdb_writebatch_wi_t* b, void* state,
    void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen),
    void (*deleted)(void*, const char* k, size_t klen)) {
  H handler;
  handler.state_ = state;
  handler.put_ = put;
  handler.deleted_ = deleted;
  b->rep->GetWriteBatch()->Iterate(&handler);
}

const char* rocksdb_writebatch_wi_data(rocksdb_writebatch_wi_t* b,
                                       size_t* size) {
  WriteBatch* wb = b->rep->GetWriteBatch();
  *size = wb->GetDataSize();
  return wb->Data().c_str();
}

void rocksdb_writebatch_wi_set_save_point(rocksdb_writebatch_wi_t* b) {
  b->rep->SetSavePoint();
}

void rocksdb_writebatch_wi_rollback_to_save_point(rocksdb_writebatch_wi_t* b,
                                                  char** errptr) {
  SaveError(errptr, b->rep->RollbackToSavePoint());
}

rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = wbwi->rep->NewIteratorWithBase(base_iterator->rep);
  delete base_iterator;
  return result;
}

rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base_readopts(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator,
    const rocksdb_readoptions_t* options) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep =
      wbwi->rep->NewIteratorWithBase(base_iterator->rep, &options->rep);
  delete base_iterator;
  return result;
}

rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base_cf(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator,
    rocksdb_column_family_handle_t* column_family) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep =
      wbwi->rep->NewIteratorWithBase(column_family->rep, base_iterator->rep);
  delete base_iterator;
  return result;
}

rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base_cf_readopts(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator,
    rocksdb_column_family_handle_t* column_family,
    const rocksdb_readoptions_t* options) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = wbwi->rep->NewIteratorWithBase(
      column_family->rep, base_iterator->rep, &options->rep);
  delete base_iterator;
  return result;
}

char* rocksdb_writebatch_wi_get_from_batch(rocksdb_writebatch_wi_t* wbwi,
                                           const rocksdb_options_t* options,
                                           const char* key, size_t keylen,
                                           size_t* vallen, char** errptr) {
  char* result = nullptr;
  std::string tmp;
  Status s = wbwi->rep->GetFromBatch(options->rep, Slice(key, keylen), &tmp);
  if (s.ok()) {
    *vallen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_writebatch_wi_get_from_batch_cf(
    rocksdb_writebatch_wi_t* wbwi, const rocksdb_options_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, size_t* vallen, char** errptr) {
  char* result = nullptr;
  std::string tmp;
  Status s = wbwi->rep->GetFromBatch(column_family->rep, options->rep,
                                     Slice(key, keylen), &tmp);
  if (s.ok()) {
    *vallen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

char* rocksdb_writebatch_wi_get_from_batch_and_db(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_t* db,
    const rocksdb_readoptions_t* options, const char* key, size_t keylen,
    size_t* vallen, char** errptr) {
  char* result = nullptr;
  // Use PinnableSlice to avoid unnecessary allocations
  PinnableSlice pinnable_val;
  Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep,
                                          Slice(key, keylen), &pinnable_val);
  if (s.ok()) {
    *vallen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_writebatch_wi_get_pinned_from_batch_and_db(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_t* db,
    const rocksdb_readoptions_t* options, const char* key, size_t keylen,
    char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep,
                                          Slice(key, keylen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

char* rocksdb_writebatch_wi_get_from_batch_and_db_cf(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_t* db,
    const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, size_t* vallen, char** errptr) {
  char* result = nullptr;
  // Use PinnableSlice to avoid unnecessary allocations
  PinnableSlice pinnable_val;
  Status s =
      wbwi->rep->GetFromBatchAndDB(db->rep, options->rep, column_family->rep,
                                   Slice(key, keylen), &pinnable_val);
  if (s.ok()) {
    *vallen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_writebatch_wi_get_pinned_from_batch_and_db_cf(
    rocksdb_writebatch_wi_t* wbwi, rocksdb_t* db,
    const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = wbwi->rep->GetFromBatchAndDB(
      db->rep, options->rep, column_family->rep, Slice(key, keylen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

void rocksdb_write_writebatch_wi(rocksdb_t* db,
                                 const rocksdb_writeoptions_t* options,
                                 rocksdb_writebatch_wi_t* wbwi, char** errptr) {
  WriteBatch* wb = wbwi->rep->GetWriteBatch();
  SaveError(errptr, db->rep->Write(options->rep, wb));
}

void rocksdb_load_latest_options(
    const char* db_path, rocksdb_env_t* env, bool ignore_unknown_options,
    rocksdb_cache_t* cache, rocksdb_options_t** db_options,
    size_t* num_column_families, char*** list_column_family_names,
    rocksdb_options_t*** list_column_family_options, char** errptr) {
  DBOptions db_opt;
  std::vector<ColumnFamilyDescriptor> cf_descs;
  ConfigOptions config_opts;
  config_opts.ignore_unknown_options = ignore_unknown_options;
  config_opts.input_strings_escaped = true;
  config_opts.env = env->rep;
  Status s = LoadLatestOptions(config_opts, std::string(db_path), &db_opt,
                               &cf_descs, &cache->rep);
  if (s.ok()) {
    char** cf_names = (char**)malloc(cf_descs.size() * sizeof(char*));
    rocksdb_options_t** cf_options = (rocksdb_options_t**)malloc(
        cf_descs.size() * sizeof(rocksdb_options_t*));
    for (size_t i = 0; i < cf_descs.size(); ++i) {
      cf_names[i] = strdup(cf_descs[i].name.c_str());
      cf_options[i] = new rocksdb_options_t{
          Options(DBOptions(), std::move(cf_descs[i].options))};
    }
    *num_column_families = cf_descs.size();
    *db_options = new rocksdb_options_t{
        Options(std::move(db_opt), ColumnFamilyOptions())};
    *list_column_family_names = cf_names;
    *list_column_family_options = cf_options;
  } else {
    *num_column_families = 0;
    *db_options = nullptr;
    *list_column_family_names = nullptr;
    *list_column_family_options = nullptr;
    SaveError(errptr, s);
  }
}

void rocksdb_load_latest_options_destroy(
    rocksdb_options_t* db_options, char** list_column_family_names,
    rocksdb_options_t** list_column_family_options, size_t len) {
  rocksdb_options_destroy(db_options);
  if (list_column_family_names) {
    for (size_t i = 0; i < len; ++i) {
      free(list_column_family_names[i]);
    }
    free(list_column_family_names);
  }
  if (list_column_family_options) {
    for (size_t i = 0; i < len; ++i) {
      rocksdb_options_destroy(list_column_family_options[i]);
    }
    free(list_column_family_options);
  }
}

rocksdb_block_based_table_options_t* rocksdb_block_based_options_create() {
  return new rocksdb_block_based_table_options_t;
}

void rocksdb_block_based_options_destroy(
    rocksdb_block_based_table_options_t* options) {
  delete options;
}

// BEGIN generated: c_generated_block_based_options_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'BlockBasedOptions simple'
//     --header-out
//     c_api_gen/c_generated_block_based_options_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_block_based_options_subset.cc.inc

/* BlockBasedOptions simple */

void rocksdb_block_based_options_set_data_block_hash_ratio(
    rocksdb_block_based_table_options_t* options, double v) {
  options->rep.data_block_hash_table_util_ratio = v;
}

void rocksdb_block_based_options_set_top_level_index_pinning_tier(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.metadata_cache_options.top_level_index_pinning =
      static_cast<ROCKSDB_NAMESPACE::PinningTier>(v);
}

void rocksdb_block_based_options_set_partition_pinning_tier(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.metadata_cache_options.partition_pinning =
      static_cast<ROCKSDB_NAMESPACE::PinningTier>(v);
}

void rocksdb_block_based_options_set_unpartitioned_pinning_tier(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.metadata_cache_options.unpartitioned_pinning =
      static_cast<ROCKSDB_NAMESPACE::PinningTier>(v);
}
// END generated: c_generated_block_based_options_subset.cc.inc

void rocksdb_block_based_options_set_filter_policy(
    rocksdb_block_based_table_options_t* options,
    rocksdb_filterpolicy_t* filter_policy) {
  options->rep.filter_policy.reset(filter_policy);
}

void rocksdb_block_based_options_set_block_cache(
    rocksdb_block_based_table_options_t* options,
    rocksdb_cache_t* block_cache) {
  if (block_cache) {
    options->rep.block_cache = block_cache->rep;
  }
}

void rocksdb_block_based_options_set_user_defined_index_factory_from_string(
    rocksdb_block_based_table_options_t* options, const char* value,
    size_t value_len, char** errptr) {
  options->user_defined_index_factory.reset();
  options->rep.user_defined_index_factory.reset();
  if (value == nullptr) {
    return;
  }

  std::shared_ptr<UserDefinedIndexFactory> factory;
  Status s = LoadUserDefinedIndexFactoryFromString(value, value_len, &factory);
  if (SaveError(errptr, s)) {
    return;
  }
  options->user_defined_index_factory = std::move(factory);
  options->rep.user_defined_index_factory = options->user_defined_index_factory;
}

void rocksdb_block_based_options_clear_user_defined_index_factory(
    rocksdb_block_based_table_options_t* options) {
  options->user_defined_index_factory.reset();
  options->rep.user_defined_index_factory.reset();
}

const char* rocksdb_block_based_options_get_user_defined_index_factory_name(
    const rocksdb_block_based_table_options_t* options, size_t* name_len) {
  if (options->user_defined_index_factory == nullptr) {
    if (name_len != nullptr) {
      *name_len = 0;
    }
    return nullptr;
  }
  const char* name = options->user_defined_index_factory->Name();
  if (name_len != nullptr) {
    *name_len = strlen(name);
  }
  return name;
}

void rocksdb_options_set_block_based_table_factory(
    rocksdb_options_t* opt,
    rocksdb_block_based_table_options_t* table_options) {
  if (table_options) {
    opt->rep.table_factory.reset(
        ROCKSDB_NAMESPACE::NewBlockBasedTableFactory(table_options->rep));
  }
}

/* FlushJobInfo */

// BEGIN generated: c_generated_jobinfo_auto.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/auto_simple_bindings.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Sources:
//   - include/rocksdb/listener.h
//   - tools/c_api_gen/auto_simple_bindings_blocklist.json
//   - include/rocksdb/c.h
//   - tools/c_api_gen/c_base.cc
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/auto_simple_bindings.py

// Output group: Auto-discovered JobInfo metadata simple

/* FlushJobInfo */

uint32_t rocksdb_flushjobinfo_cf_id(const rocksdb_flushjobinfo_t* info) {
  return info->rep.cf_id;
}

const char* rocksdb_flushjobinfo_cf_name(const rocksdb_flushjobinfo_t* info,
                                         size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

const char* rocksdb_flushjobinfo_file_path(const rocksdb_flushjobinfo_t* info,
                                           size_t* size) {
  *size = info->rep.file_path.size();
  return info->rep.file_path.data();
}

uint64_t rocksdb_flushjobinfo_file_number(const rocksdb_flushjobinfo_t* info) {
  return info->rep.file_number;
}

uint64_t rocksdb_flushjobinfo_oldest_blob_file_number(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.oldest_blob_file_number;
}

uint64_t rocksdb_flushjobinfo_thread_id(const rocksdb_flushjobinfo_t* info) {
  return info->rep.thread_id;
}

int rocksdb_flushjobinfo_job_id(const rocksdb_flushjobinfo_t* info) {
  return info->rep.job_id;
}

unsigned char rocksdb_flushjobinfo_triggered_writes_slowdown(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.triggered_writes_slowdown;
}

unsigned char rocksdb_flushjobinfo_triggered_writes_stop(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.triggered_writes_stop;
}

uint64_t rocksdb_flushjobinfo_smallest_seqno(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.smallest_seqno;
}

uint64_t rocksdb_flushjobinfo_largest_seqno(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.largest_seqno;
}

uint32_t rocksdb_flushjobinfo_flush_reason(const rocksdb_flushjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.flush_reason);
}

uint32_t rocksdb_flushjobinfo_blob_compression_type(
    const rocksdb_flushjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.blob_compression_type);
}

/* CompactionJobInfo */

uint32_t rocksdb_compactionjobinfo_cf_id(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.cf_id;
}

const char* rocksdb_compactionjobinfo_cf_name(
    const rocksdb_compactionjobinfo_t* info, size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

void rocksdb_compactionjobinfo_status(const rocksdb_compactionjobinfo_t* info,
                                      char** errptr) {
  SaveError(errptr, info->rep.status);
}

uint64_t rocksdb_compactionjobinfo_thread_id(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.thread_id;
}

int rocksdb_compactionjobinfo_job_id(const rocksdb_compactionjobinfo_t* info) {
  return info->rep.job_id;
}

int rocksdb_compactionjobinfo_num_l0_files(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.num_l0_files;
}

int rocksdb_compactionjobinfo_base_input_level(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.base_input_level;
}

int rocksdb_compactionjobinfo_output_level(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.output_level;
}

uint32_t rocksdb_compactionjobinfo_compaction_reason(
    const rocksdb_compactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.compaction_reason);
}

uint32_t rocksdb_compactionjobinfo_compression(
    const rocksdb_compactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.compression);
}

uint32_t rocksdb_compactionjobinfo_blob_compression_type(
    const rocksdb_compactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.blob_compression_type);
}

unsigned char rocksdb_compactionjobinfo_aborted(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.aborted;
}

/* SubcompactionJobInfo */

uint32_t rocksdb_subcompactionjobinfo_cf_id(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.cf_id;
}

const char* rocksdb_subcompactionjobinfo_cf_name(
    const rocksdb_subcompactionjobinfo_t* info, size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

void rocksdb_subcompactionjobinfo_status(
    const rocksdb_subcompactionjobinfo_t* info, char** errptr) {
  SaveError(errptr, info->rep.status);
}

uint64_t rocksdb_subcompactionjobinfo_thread_id(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.thread_id;
}

int rocksdb_subcompactionjobinfo_job_id(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.job_id;
}

int rocksdb_subcompactionjobinfo_subcompaction_job_id(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.subcompaction_job_id;
}

int rocksdb_subcompactionjobinfo_base_input_level(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.base_input_level;
}

int rocksdb_subcompactionjobinfo_output_level(
    const rocksdb_subcompactionjobinfo_t* info) {
  return info->rep.output_level;
}

uint32_t rocksdb_subcompactionjobinfo_compaction_reason(
    const rocksdb_subcompactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.compaction_reason);
}

uint32_t rocksdb_subcompactionjobinfo_compression(
    const rocksdb_subcompactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.compression);
}

uint32_t rocksdb_subcompactionjobinfo_blob_compression_type(
    const rocksdb_subcompactionjobinfo_t* info) {
  return static_cast<uint32_t>(info->rep.blob_compression_type);
}

/* ExternalFileIngestionInfo */

const char* rocksdb_externalfileingestioninfo_cf_name(
    const rocksdb_externalfileingestioninfo_t* info, size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

const char* rocksdb_externalfileingestioninfo_external_file_path(
    const rocksdb_externalfileingestioninfo_t* info, size_t* size) {
  *size = info->rep.external_file_path.size();
  return info->rep.external_file_path.data();
}

const char* rocksdb_externalfileingestioninfo_internal_file_path(
    const rocksdb_externalfileingestioninfo_t* info, size_t* size) {
  *size = info->rep.internal_file_path.size();
  return info->rep.internal_file_path.data();
}

uint64_t rocksdb_externalfileingestioninfo_global_seqno(
    const rocksdb_externalfileingestioninfo_t* info) {
  return info->rep.global_seqno;
}

/* MemTableInfo */

const char* rocksdb_memtableinfo_cf_name(const rocksdb_memtableinfo_t* info,
                                         size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

uint64_t rocksdb_memtableinfo_first_seqno(const rocksdb_memtableinfo_t* info) {
  return info->rep.first_seqno;
}

uint64_t rocksdb_memtableinfo_earliest_seqno(
    const rocksdb_memtableinfo_t* info) {
  return info->rep.earliest_seqno;
}

uint64_t rocksdb_memtableinfo_num_entries(const rocksdb_memtableinfo_t* info) {
  return info->rep.num_entries;
}

uint64_t rocksdb_memtableinfo_num_deletes(const rocksdb_memtableinfo_t* info) {
  return info->rep.num_deletes;
}

const char* rocksdb_memtableinfo_newest_udt(const rocksdb_memtableinfo_t* info,
                                            size_t* size) {
  *size = info->rep.newest_udt.size();
  return info->rep.newest_udt.data();
}
// END generated: c_generated_jobinfo_auto.cc.inc
// BEGIN generated: c_generated_jobinfo_metadata_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'JobInfo metadata simple'
//     --header-out
//     c_api_gen/c_generated_jobinfo_metadata_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_jobinfo_metadata_subset.cc.inc

/* JobInfo metadata simple */

size_t rocksdb_compactionjobinfo_input_files_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.input_files.size();
}

size_t rocksdb_compactionjobinfo_output_files_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.output_files.size();
}

uint64_t rocksdb_compactionjobinfo_elapsed_micros(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.elapsed_micros;
}

uint64_t rocksdb_compactionjobinfo_num_corrupt_keys(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.num_corrupt_keys;
}

uint64_t rocksdb_compactionjobinfo_input_records(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.num_input_records;
}

uint64_t rocksdb_compactionjobinfo_output_records(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.num_output_records;
}

uint64_t rocksdb_compactionjobinfo_total_input_bytes(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.total_input_bytes;
}

uint64_t rocksdb_compactionjobinfo_total_output_bytes(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.total_output_bytes;
}

size_t rocksdb_compactionjobinfo_num_input_files(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.num_input_files;
}

size_t rocksdb_compactionjobinfo_num_input_files_at_output_level(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.stats.num_input_files_at_output_level;
}

const char* rocksdb_writestallinfo_cf_name(const rocksdb_writestallinfo_t* info,
                                           size_t* size) {
  *size = info->rep.cf_name.size();
  return info->rep.cf_name.data();
}

const rocksdb_writestallcondition_t* rocksdb_writestallinfo_cur(
    const rocksdb_writestallinfo_t* info) {
  return reinterpret_cast<const rocksdb_writestallcondition_t*>(
      &info->rep.condition.cur);
}

const rocksdb_writestallcondition_t* rocksdb_writestallinfo_prev(
    const rocksdb_writestallinfo_t* info) {
  return reinterpret_cast<const rocksdb_writestallcondition_t*>(
      &info->rep.condition.prev);
}
// END generated: c_generated_jobinfo_metadata_subset.cc.inc
// BEGIN generated: c_generated_metadata_structs_auto.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/auto_simple_bindings.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Sources:
//   - include/rocksdb/compaction_job_stats.h
//   - include/rocksdb/listener.h
//   - include/rocksdb/table_properties.h
//   - tools/c_api_gen/auto_simple_bindings_blocklist.json
//   - include/rocksdb/c.h
//   - tools/c_api_gen/c_base.cc
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/auto_simple_bindings.py

// Output group: Auto-discovered metadata view structs simple

/* TableProperties */

uint64_t rocksdb_table_properties_orig_file_number(
    const rocksdb_table_properties_t* props) {
  return props->rep.orig_file_number;
}

uint64_t rocksdb_table_properties_data_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.data_size;
}

uint64_t rocksdb_table_properties_uncompressed_data_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.uncompressed_data_size;
}

uint64_t rocksdb_table_properties_index_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.index_size;
}

uint64_t rocksdb_table_properties_index_partitions(
    const rocksdb_table_properties_t* props) {
  return props->rep.index_partitions;
}

uint64_t rocksdb_table_properties_top_level_index_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.top_level_index_size;
}

uint64_t rocksdb_table_properties_index_key_is_user_key(
    const rocksdb_table_properties_t* props) {
  return props->rep.index_key_is_user_key;
}

uint64_t rocksdb_table_properties_index_value_is_delta_encoded(
    const rocksdb_table_properties_t* props) {
  return props->rep.index_value_is_delta_encoded;
}

uint64_t rocksdb_table_properties_udi_is_primary_index(
    const rocksdb_table_properties_t* props) {
  return props->rep.udi_is_primary_index;
}

uint64_t rocksdb_table_properties_filter_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.filter_size;
}

uint64_t rocksdb_table_properties_raw_key_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.raw_key_size;
}

uint64_t rocksdb_table_properties_raw_value_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.raw_value_size;
}

uint64_t rocksdb_table_properties_num_data_blocks(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_data_blocks;
}

uint64_t rocksdb_table_properties_num_data_blocks_compression_rejected(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_data_blocks_compression_rejected;
}

uint64_t rocksdb_table_properties_num_data_blocks_compression_bypassed(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_data_blocks_compression_bypassed;
}

uint64_t rocksdb_table_properties_num_uniform_blocks(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_uniform_blocks;
}

uint64_t rocksdb_table_properties_num_entries(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_entries;
}

uint64_t rocksdb_table_properties_num_filter_entries(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_filter_entries;
}

uint64_t rocksdb_table_properties_num_deletions(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_deletions;
}

uint64_t rocksdb_table_properties_num_merge_operands(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_merge_operands;
}

uint64_t rocksdb_table_properties_num_range_deletions(
    const rocksdb_table_properties_t* props) {
  return props->rep.num_range_deletions;
}

uint64_t rocksdb_table_properties_format_version(
    const rocksdb_table_properties_t* props) {
  return props->rep.format_version;
}

uint64_t rocksdb_table_properties_fixed_key_len(
    const rocksdb_table_properties_t* props) {
  return props->rep.fixed_key_len;
}

uint64_t rocksdb_table_properties_column_family_id(
    const rocksdb_table_properties_t* props) {
  return props->rep.column_family_id;
}

uint64_t rocksdb_table_properties_creation_time(
    const rocksdb_table_properties_t* props) {
  return props->rep.creation_time;
}

uint64_t rocksdb_table_properties_oldest_key_time(
    const rocksdb_table_properties_t* props) {
  return props->rep.oldest_key_time;
}

uint64_t rocksdb_table_properties_newest_key_time(
    const rocksdb_table_properties_t* props) {
  return props->rep.newest_key_time;
}

uint64_t rocksdb_table_properties_file_creation_time(
    const rocksdb_table_properties_t* props) {
  return props->rep.file_creation_time;
}

uint64_t rocksdb_table_properties_slow_compression_estimated_data_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.slow_compression_estimated_data_size;
}

uint64_t rocksdb_table_properties_fast_compression_estimated_data_size(
    const rocksdb_table_properties_t* props) {
  return props->rep.fast_compression_estimated_data_size;
}

uint64_t rocksdb_table_properties_external_sst_file_global_seqno_offset(
    const rocksdb_table_properties_t* props) {
  return props->rep.external_sst_file_global_seqno_offset;
}

uint64_t rocksdb_table_properties_tail_start_offset(
    const rocksdb_table_properties_t* props) {
  return props->rep.tail_start_offset;
}

uint64_t rocksdb_table_properties_user_defined_timestamps_persisted(
    const rocksdb_table_properties_t* props) {
  return props->rep.user_defined_timestamps_persisted;
}

uint64_t rocksdb_table_properties_key_largest_seqno(
    const rocksdb_table_properties_t* props) {
  return props->rep.key_largest_seqno;
}

uint64_t rocksdb_table_properties_key_smallest_seqno(
    const rocksdb_table_properties_t* props) {
  return props->rep.key_smallest_seqno;
}

uint64_t rocksdb_table_properties_data_block_restart_interval(
    const rocksdb_table_properties_t* props) {
  return props->rep.data_block_restart_interval;
}

uint64_t rocksdb_table_properties_index_block_restart_interval(
    const rocksdb_table_properties_t* props) {
  return props->rep.index_block_restart_interval;
}

uint64_t rocksdb_table_properties_separate_key_value_in_data_block(
    const rocksdb_table_properties_t* props) {
  return props->rep.separate_key_value_in_data_block;
}

const char* rocksdb_table_properties_db_id(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.db_id.size();
  return props->rep.db_id.data();
}

const char* rocksdb_table_properties_db_session_id(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.db_session_id.size();
  return props->rep.db_session_id.data();
}

const char* rocksdb_table_properties_db_host_id(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.db_host_id.size();
  return props->rep.db_host_id.data();
}

const char* rocksdb_table_properties_column_family_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.column_family_name.size();
  return props->rep.column_family_name.data();
}

const char* rocksdb_table_properties_filter_policy_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.filter_policy_name.size();
  return props->rep.filter_policy_name.data();
}

const char* rocksdb_table_properties_comparator_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.comparator_name.size();
  return props->rep.comparator_name.data();
}

const char* rocksdb_table_properties_merge_operator_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.merge_operator_name.size();
  return props->rep.merge_operator_name.data();
}

const char* rocksdb_table_properties_prefix_extractor_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.prefix_extractor_name.size();
  return props->rep.prefix_extractor_name.data();
}

const char* rocksdb_table_properties_property_collectors_names(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.property_collectors_names.size();
  return props->rep.property_collectors_names.data();
}

const char* rocksdb_table_properties_compression_name(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.compression_name.size();
  return props->rep.compression_name.data();
}

const char* rocksdb_table_properties_compression_options(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.compression_options.size();
  return props->rep.compression_options.data();
}

const char* rocksdb_table_properties_seqno_to_time_mapping(
    const rocksdb_table_properties_t* props, size_t* size) {
  *size = props->rep.seqno_to_time_mapping.size();
  return props->rep.seqno_to_time_mapping.data();
}

/* CompactionJobStats */

uint64_t rocksdb_compaction_job_stats_elapsed_micros(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.elapsed_micros;
}

uint64_t rocksdb_compaction_job_stats_cpu_micros(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.cpu_micros;
}

unsigned char rocksdb_compaction_job_stats_has_accurate_num_input_records(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.has_accurate_num_input_records;
}

uint64_t rocksdb_compaction_job_stats_num_input_records(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_input_records;
}

uint64_t rocksdb_compaction_job_stats_num_blobs_read(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_blobs_read;
}

size_t rocksdb_compaction_job_stats_num_input_files(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_input_files;
}

size_t rocksdb_compaction_job_stats_num_input_files_trivially_moved(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_input_files_trivially_moved;
}

size_t rocksdb_compaction_job_stats_num_input_files_at_output_level(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_input_files_at_output_level;
}

size_t rocksdb_compaction_job_stats_num_filtered_input_files(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_filtered_input_files;
}

size_t rocksdb_compaction_job_stats_num_filtered_input_files_at_output_level(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_filtered_input_files_at_output_level;
}

uint64_t rocksdb_compaction_job_stats_num_output_records(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_output_records;
}

size_t rocksdb_compaction_job_stats_num_output_files(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_output_files;
}

size_t rocksdb_compaction_job_stats_num_output_files_blob(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_output_files_blob;
}

unsigned char rocksdb_compaction_job_stats_is_full_compaction(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.is_full_compaction;
}

unsigned char rocksdb_compaction_job_stats_is_manual_compaction(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.is_manual_compaction;
}

unsigned char rocksdb_compaction_job_stats_is_remote_compaction(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.is_remote_compaction;
}

uint64_t rocksdb_compaction_job_stats_total_input_bytes(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_input_bytes;
}

uint64_t rocksdb_compaction_job_stats_total_blob_bytes_read(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_blob_bytes_read;
}

uint64_t rocksdb_compaction_job_stats_total_output_bytes(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_output_bytes;
}

uint64_t rocksdb_compaction_job_stats_total_output_bytes_blob(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_output_bytes_blob;
}

uint64_t rocksdb_compaction_job_stats_total_skipped_input_bytes(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_skipped_input_bytes;
}

uint64_t rocksdb_compaction_job_stats_num_records_replaced(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_records_replaced;
}

uint64_t rocksdb_compaction_job_stats_total_input_raw_key_bytes(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_input_raw_key_bytes;
}

uint64_t rocksdb_compaction_job_stats_total_input_raw_value_bytes(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.total_input_raw_value_bytes;
}

uint64_t rocksdb_compaction_job_stats_num_input_deletion_records(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_input_deletion_records;
}

uint64_t rocksdb_compaction_job_stats_num_expired_deletion_records(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_expired_deletion_records;
}

uint64_t rocksdb_compaction_job_stats_num_corrupt_keys(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_corrupt_keys;
}

uint64_t rocksdb_compaction_job_stats_file_write_nanos(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.file_write_nanos;
}

uint64_t rocksdb_compaction_job_stats_file_range_sync_nanos(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.file_range_sync_nanos;
}

uint64_t rocksdb_compaction_job_stats_file_fsync_nanos(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.file_fsync_nanos;
}

uint64_t rocksdb_compaction_job_stats_file_prepare_write_nanos(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.file_prepare_write_nanos;
}

const char* rocksdb_compaction_job_stats_smallest_output_key_prefix(
    const rocksdb_compaction_job_stats_t* stats, size_t* size) {
  *size = stats->rep.smallest_output_key_prefix.size();
  return stats->rep.smallest_output_key_prefix.data();
}

const char* rocksdb_compaction_job_stats_largest_output_key_prefix(
    const rocksdb_compaction_job_stats_t* stats, size_t* size) {
  *size = stats->rep.largest_output_key_prefix.size();
  return stats->rep.largest_output_key_prefix.data();
}

uint64_t rocksdb_compaction_job_stats_num_single_del_fallthru(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_single_del_fallthru;
}

uint64_t rocksdb_compaction_job_stats_num_single_del_mismatch(
    const rocksdb_compaction_job_stats_t* stats) {
  return stats->rep.num_single_del_mismatch;
}

/* CompactionFileInfo */

int rocksdb_compaction_file_info_level(
    const rocksdb_compaction_file_info_t* info) {
  return info->rep.level;
}

uint64_t rocksdb_compaction_file_info_file_number(
    const rocksdb_compaction_file_info_t* info) {
  return info->rep.file_number;
}

uint64_t rocksdb_compaction_file_info_oldest_blob_file_number(
    const rocksdb_compaction_file_info_t* info) {
  return info->rep.oldest_blob_file_number;
}

/* BlobFileAdditionInfo */

uint64_t rocksdb_blob_file_addition_info_total_blob_count(
    const rocksdb_blob_file_addition_info_t* info) {
  return info->rep.total_blob_count;
}

uint64_t rocksdb_blob_file_addition_info_total_blob_bytes(
    const rocksdb_blob_file_addition_info_t* info) {
  return info->rep.total_blob_bytes;
}

/* BlobFileGarbageInfo */

uint64_t rocksdb_blob_file_garbage_info_garbage_blob_count(
    const rocksdb_blob_file_garbage_info_t* info) {
  return info->rep.garbage_blob_count;
}

uint64_t rocksdb_blob_file_garbage_info_garbage_blob_bytes(
    const rocksdb_blob_file_garbage_info_t* info) {
  return info->rep.garbage_blob_bytes;
}
// END generated: c_generated_metadata_structs_auto.cc.inc

rocksdb_compactionjobinfo_t* rocksdb_compactionjobinfo_create() {
  return new rocksdb_compactionjobinfo_t;
}

void rocksdb_compactionjobinfo_destroy(rocksdb_compactionjobinfo_t* info) {
  delete info;
}

void rocksdb_reset_status(rocksdb_status_ptr_t* status_ptr) {
  auto ptr = status_ptr->rep;
  *ptr = Status::OK();
}

unsigned char rocksdb_table_properties_has_key_largest_seqno(
    const rocksdb_table_properties_t* props) {
  return props->rep.HasKeyLargestSeqno();
}

unsigned char rocksdb_table_properties_has_key_smallest_seqno(
    const rocksdb_table_properties_t* props) {
  return props->rep.HasKeySmallestSeqno();
}

size_t rocksdb_table_properties_user_collected_properties_count(
    const rocksdb_table_properties_t* props) {
  return props->rep.user_collected_properties.size();
}

const char* rocksdb_table_properties_user_collected_properties_key_at(
    const rocksdb_table_properties_t* props, size_t pos, size_t* key_len) {
  const auto it = GetMapEntryAt(props->rep.user_collected_properties, pos);
  if (it == props->rep.user_collected_properties.cend()) {
    if (key_len != nullptr) {
      *key_len = 0;
    }
    return nullptr;
  }
  if (key_len != nullptr) {
    *key_len = it->first.size();
  }
  return it->first.data();
}

const char* rocksdb_table_properties_user_collected_properties_value_at(
    const rocksdb_table_properties_t* props, size_t pos, size_t* value_len) {
  const auto it = GetMapEntryAt(props->rep.user_collected_properties, pos);
  if (it == props->rep.user_collected_properties.cend()) {
    if (value_len != nullptr) {
      *value_len = 0;
    }
    return nullptr;
  }
  if (value_len != nullptr) {
    *value_len = it->second.size();
  }
  return it->second.data();
}

size_t rocksdb_table_properties_readable_properties_count(
    const rocksdb_table_properties_t* props) {
  return props->rep.readable_properties.size();
}

const char* rocksdb_table_properties_readable_properties_key_at(
    const rocksdb_table_properties_t* props, size_t pos, size_t* key_len) {
  const auto it = GetMapEntryAt(props->rep.readable_properties, pos);
  if (it == props->rep.readable_properties.cend()) {
    if (key_len != nullptr) {
      *key_len = 0;
    }
    return nullptr;
  }
  if (key_len != nullptr) {
    *key_len = it->first.size();
  }
  return it->first.data();
}

const char* rocksdb_table_properties_readable_properties_value_at(
    const rocksdb_table_properties_t* props, size_t pos, size_t* value_len) {
  const auto it = GetMapEntryAt(props->rep.readable_properties, pos);
  if (it == props->rep.readable_properties.cend()) {
    if (value_len != nullptr) {
      *value_len = 0;
    }
    return nullptr;
  }
  if (value_len != nullptr) {
    *value_len = it->second.size();
  }
  return it->second.data();
}

const rocksdb_table_properties_t* rocksdb_flushjobinfo_table_properties(
    const rocksdb_flushjobinfo_t* info) {
  return reinterpret_cast<const rocksdb_table_properties_t*>(
      &info->rep.table_properties);
}

size_t rocksdb_flushjobinfo_blob_file_addition_infos_count(
    const rocksdb_flushjobinfo_t* info) {
  return info->rep.blob_file_addition_infos.size();
}

const rocksdb_blob_file_addition_info_t*
rocksdb_flushjobinfo_blob_file_addition_info_at(
    const rocksdb_flushjobinfo_t* info, size_t pos) {
  assert(pos < info->rep.blob_file_addition_infos.size());
  return reinterpret_cast<const rocksdb_blob_file_addition_info_t*>(
      &info->rep.blob_file_addition_infos[pos]);
}

/* CompactionJobInfo */

const char* rocksdb_compactionjobinfo_input_file_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos, size_t* size) {
  assert(info != nullptr);
  assert(pos < info->rep.input_files.size());

  const std::string& path = info->rep.input_files[pos];
  *size = path.size();
  return path.data();
}

const char* rocksdb_compactionjobinfo_output_file_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos, size_t* size) {
  assert(info != nullptr);
  assert(pos < info->rep.output_files.size());

  const std::string& path = info->rep.output_files[pos];
  *size = path.size();
  return path.data();
}

const rocksdb_compaction_job_stats_t* rocksdb_compactionjobinfo_stats(
    const rocksdb_compactionjobinfo_t* info) {
  return reinterpret_cast<const rocksdb_compaction_job_stats_t*>(
      &info->rep.stats);
}

size_t rocksdb_compactionjobinfo_input_file_infos_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.input_file_infos.size();
}

const rocksdb_compaction_file_info_t*
rocksdb_compactionjobinfo_input_file_info_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos) {
  assert(pos < info->rep.input_file_infos.size());
  return reinterpret_cast<const rocksdb_compaction_file_info_t*>(
      &info->rep.input_file_infos[pos]);
}

size_t rocksdb_compactionjobinfo_output_file_infos_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.output_file_infos.size();
}

const rocksdb_compaction_file_info_t*
rocksdb_compactionjobinfo_output_file_info_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos) {
  assert(pos < info->rep.output_file_infos.size());
  return reinterpret_cast<const rocksdb_compaction_file_info_t*>(
      &info->rep.output_file_infos[pos]);
}

size_t rocksdb_compactionjobinfo_table_properties_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.table_properties.size();
}

const char* rocksdb_compactionjobinfo_table_properties_key_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos, size_t* key_len) {
  const auto it = GetMapEntryAt(info->rep.table_properties, pos);
  if (it == info->rep.table_properties.cend()) {
    if (key_len != nullptr) {
      *key_len = 0;
    }
    return nullptr;
  }
  if (key_len != nullptr) {
    *key_len = it->first.size();
  }
  return it->first.data();
}

const rocksdb_table_properties_t*
rocksdb_compactionjobinfo_table_properties_value_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos) {
  const auto it = GetMapEntryAt(info->rep.table_properties, pos);
  if (it == info->rep.table_properties.cend()) {
    return nullptr;
  }
  return reinterpret_cast<const rocksdb_table_properties_t*>(it->second.get());
}

const rocksdb_table_properties_t*
rocksdb_compactionjobinfo_table_properties_for_file(
    const rocksdb_compactionjobinfo_t* info, const char* file_name,
    size_t file_name_len) {
  const auto it =
      info->rep.table_properties.find(std::string(file_name, file_name_len));
  if (it == info->rep.table_properties.end()) {
    return nullptr;
  }
  return reinterpret_cast<const rocksdb_table_properties_t*>(it->second.get());
}

size_t rocksdb_compactionjobinfo_blob_file_addition_infos_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.blob_file_addition_infos.size();
}

const rocksdb_blob_file_addition_info_t*
rocksdb_compactionjobinfo_blob_file_addition_info_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos) {
  assert(pos < info->rep.blob_file_addition_infos.size());
  return reinterpret_cast<const rocksdb_blob_file_addition_info_t*>(
      &info->rep.blob_file_addition_infos[pos]);
}

size_t rocksdb_compactionjobinfo_blob_file_garbage_infos_count(
    const rocksdb_compactionjobinfo_t* info) {
  return info->rep.blob_file_garbage_infos.size();
}

const rocksdb_blob_file_garbage_info_t*
rocksdb_compactionjobinfo_blob_file_garbage_info_at(
    const rocksdb_compactionjobinfo_t* info, size_t pos) {
  assert(pos < info->rep.blob_file_garbage_infos.size());
  return reinterpret_cast<const rocksdb_blob_file_garbage_info_t*>(
      &info->rep.blob_file_garbage_infos[pos]);
}

/* SubcompactionJobInfo */

const rocksdb_compaction_job_stats_t* rocksdb_subcompactionjobinfo_stats(
    const rocksdb_subcompactionjobinfo_t* info) {
  return reinterpret_cast<const rocksdb_compaction_job_stats_t*>(
      &info->rep.stats);
}

/* ExternalFileIngestionInfo */

const rocksdb_table_properties_t*
rocksdb_externalfileingestioninfo_table_properties(
    const rocksdb_externalfileingestioninfo_t* info) {
  return reinterpret_cast<const rocksdb_table_properties_t*>(
      &info->rep.table_properties);
}

/* event listener */

struct rocksdb_eventlistener_t : public EventListener {
  void* state_{};
  void (*destructor_)(void*){};
  void (*on_flush_begin)(void*, rocksdb_t*, const rocksdb_flushjobinfo_t*){};
  void (*on_flush_completed)(void*, rocksdb_t*,
                             const rocksdb_flushjobinfo_t*){};
  void (*on_compaction_begin)(void*, rocksdb_t*,
                              const rocksdb_compactionjobinfo_t*){};
  void (*on_compaction_completed)(void*, rocksdb_t*,
                                  const rocksdb_compactionjobinfo_t*){};
  void (*on_subcompaction_begin)(void*,
                                 const rocksdb_subcompactionjobinfo_t*){};
  void (*on_subcompaction_completed)(void*,
                                     const rocksdb_subcompactionjobinfo_t*){};
  void (*on_external_file_ingested)(
      void*, rocksdb_t*, const rocksdb_externalfileingestioninfo_t*){};
  void (*on_background_error)(void*, uint32_t, rocksdb_status_ptr_t*){};
  void (*on_stall_conditions_changed)(void*, const rocksdb_writestallinfo_t*){};
  void (*on_memtable_sealed)(void*, const rocksdb_memtableinfo_t*){};

  rocksdb_eventlistener_t() = default;

  rocksdb_eventlistener_t(const rocksdb_eventlistener_t&) = delete;
  rocksdb_eventlistener_t& operator=(const rocksdb_eventlistener_t&) = delete;
  rocksdb_eventlistener_t(rocksdb_eventlistener_t&&) = delete;
  rocksdb_eventlistener_t& operator=(rocksdb_eventlistener_t&&) = delete;

  void OnFlushBegin(DB* db, const FlushJobInfo& info) override {
    rocksdb_t c_db = {db};
    on_flush_begin(state_, &c_db,
                   reinterpret_cast<const rocksdb_flushjobinfo_t*>(&info));
  }

  void OnFlushCompleted(DB* db, const FlushJobInfo& info) override {
    rocksdb_t c_db = {db};
    on_flush_completed(state_, &c_db,
                       reinterpret_cast<const rocksdb_flushjobinfo_t*>(&info));
  }

  void OnCompactionBegin(DB* db, const CompactionJobInfo& info) override {
    rocksdb_t c_db = {db};
    on_compaction_begin(
        state_, &c_db,
        reinterpret_cast<const rocksdb_compactionjobinfo_t*>(&info));
  }

  void OnCompactionCompleted(DB* db, const CompactionJobInfo& info) override {
    rocksdb_t c_db = {db};
    on_compaction_completed(
        state_, &c_db,
        reinterpret_cast<const rocksdb_compactionjobinfo_t*>(&info));
  }

  void OnSubcompactionBegin(const SubcompactionJobInfo& info) override {
    on_subcompaction_begin(
        state_, reinterpret_cast<const rocksdb_subcompactionjobinfo_t*>(&info));
  }

  void OnSubcompactionCompleted(const SubcompactionJobInfo& info) override {
    on_subcompaction_completed(
        state_, reinterpret_cast<const rocksdb_subcompactionjobinfo_t*>(&info));
  }

  void OnExternalFileIngested(DB* db,
                              const ExternalFileIngestionInfo& info) override {
    rocksdb_t c_db = {db};
    on_external_file_ingested(
        state_, &c_db,
        reinterpret_cast<const rocksdb_externalfileingestioninfo_t*>(&info));
  }

  void OnBackgroundError(BackgroundErrorReason reason,
                         Status* status) override {
    rocksdb_status_ptr_t* s = new rocksdb_status_ptr_t;
    s->rep = status;
    on_background_error(state_, static_cast<uint32_t>(reason), s);
    delete s;
  }

  void OnStallConditionsChanged(const WriteStallInfo& info) override {
    on_stall_conditions_changed(
        state_, reinterpret_cast<const rocksdb_writestallinfo_t*>(&info));
  }

  void OnMemTableSealed(const MemTableInfo& info) override {
    on_memtable_sealed(state_,
                       reinterpret_cast<const rocksdb_memtableinfo_t*>(&info));
  }

  ~rocksdb_eventlistener_t() override { destructor_(state_); }
};

rocksdb_eventlistener_t* rocksdb_eventlistener_create(
    void* state_, void (*destructor_)(void*), on_flush_begin_cb on_flush_begin,
    on_flush_completed_cb on_flush_completed,
    on_compaction_begin_cb on_compaction_begin,
    on_compaction_completed_cb on_compaction_completed,
    on_subcompaction_begin_cb on_subcompaction_begin,
    on_subcompaction_completed_cb on_subcompaction_completed,
    on_external_file_ingested_cb on_external_file_ingested,
    on_background_error_cb on_background_error,
    on_stall_conditions_changed_cb on_stall_conditions_changed,
    on_memtable_sealed_cb on_memtable_sealed) {
  rocksdb_eventlistener_t* et = new rocksdb_eventlistener_t;
  et->state_ = state_;
  et->destructor_ = destructor_;
  et->on_flush_begin = on_flush_begin;
  et->on_flush_completed = on_flush_completed;
  et->on_compaction_begin = on_compaction_begin;
  et->on_compaction_completed = on_compaction_completed;
  et->on_subcompaction_begin = on_subcompaction_begin;
  et->on_subcompaction_completed = on_subcompaction_completed;
  et->on_external_file_ingested = on_external_file_ingested;
  et->on_background_error = on_background_error;
  et->on_stall_conditions_changed = on_stall_conditions_changed;
  et->on_memtable_sealed = on_memtable_sealed;
  return et;
}

void rocksdb_eventlistener_destroy(rocksdb_eventlistener_t* t) { delete t; }

void rocksdb_options_add_eventlistener(rocksdb_options_t* opt,
                                       rocksdb_eventlistener_t* t) {
  opt->rep.listeners.emplace_back(std::shared_ptr<EventListener>(t));
}

void rocksdb_compaction_service_options_override_add_event_listener(
    rocksdb_compaction_service_options_override_t* override_options,
    rocksdb_eventlistener_t* event_listener) {
  if (override_options && event_listener) {
    override_options->rep.listeners.emplace_back(
        std::shared_ptr<EventListener>(event_listener));
  }
}

rocksdb_cuckoo_table_options_t* rocksdb_cuckoo_options_create() {
  return new rocksdb_cuckoo_table_options_t;
}

void rocksdb_cuckoo_options_destroy(rocksdb_cuckoo_table_options_t* options) {
  delete options;
}

// BEGIN generated: c_generated_cuckoo_options_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'CuckooOptions simple'
//     --header-out
//     c_api_gen/c_generated_cuckoo_options_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_cuckoo_options_subset.cc.inc

/* CuckooOptions simple */

void rocksdb_cuckoo_options_set_hash_ratio(
    rocksdb_cuckoo_table_options_t* options, double v) {
  options->rep.hash_table_ratio = v;
}
// END generated: c_generated_cuckoo_options_subset.cc.inc

void rocksdb_options_set_cuckoo_table_factory(
    rocksdb_options_t* opt, rocksdb_cuckoo_table_options_t* table_options) {
  if (table_options) {
    opt->rep.table_factory.reset(
        ROCKSDB_NAMESPACE::NewCuckooTableFactory(table_options->rep));
  }
}

void rocksdb_set_options(rocksdb_t* db, int count, const char* const keys[],
                         const char* const values[], char** errptr) {
  std::unordered_map<std::string, std::string> options_map;
  for (int i = 0; i < count; i++) {
    options_map[keys[i]] = values[i];
  }
  SaveError(errptr, db->rep->SetOptions(options_map));
}

void rocksdb_set_db_options(rocksdb_t* db, int count, const char* const keys[],
                            const char* const values[], char** errptr) {
  std::unordered_map<std::string, std::string> options_map;
  for (int i = 0; i < count; i++) {
    options_map[keys[i]] = values[i];
  }
  SaveError(errptr, db->rep->SetDBOptions(options_map));
}

void rocksdb_set_options_cf(rocksdb_t* db,
                            rocksdb_column_family_handle_t* handle, int count,
                            const char* const keys[],
                            const char* const values[], char** errptr) {
  std::unordered_map<std::string, std::string> options_map;
  for (int i = 0; i < count; i++) {
    options_map[keys[i]] = values[i];
  }
  SaveError(errptr, db->rep->SetOptions(handle->rep, options_map));
}

rocksdb_options_t* rocksdb_options_create() { return new rocksdb_options_t; }

void rocksdb_options_destroy(rocksdb_options_t* options) { delete options; }

rocksdb_options_t* rocksdb_options_create_copy(rocksdb_options_t* options) {
  return new rocksdb_options_t(*options);
}

void rocksdb_options_increase_parallelism(rocksdb_options_t* opt,
                                          int total_threads) {
  opt->rep.IncreaseParallelism(total_threads);
}

void rocksdb_options_optimize_for_point_lookup(rocksdb_options_t* opt,
                                               uint64_t block_cache_size_mb) {
  opt->rep.OptimizeForPointLookup(block_cache_size_mb);
}

void rocksdb_options_optimize_level_style_compaction(
    rocksdb_options_t* opt, uint64_t memtable_memory_budget) {
  opt->rep.OptimizeLevelStyleCompaction(memtable_memory_budget);
}

void rocksdb_options_optimize_universal_style_compaction(
    rocksdb_options_t* opt, uint64_t memtable_memory_budget) {
  opt->rep.OptimizeUniversalStyleCompaction(memtable_memory_budget);
}

void rocksdb_options_set_compaction_filter(rocksdb_options_t* opt,
                                           rocksdb_compactionfilter_t* filter) {
  opt->rep.compaction_filter = filter;
}

void rocksdb_options_set_compaction_filter_factory(
    rocksdb_options_t* opt, rocksdb_compactionfilterfactory_t* factory) {
  opt->rep.compaction_filter_factory =
      std::shared_ptr<CompactionFilterFactory>(factory);
}

void rocksdb_options_set_comparator(rocksdb_options_t* opt,
                                    rocksdb_comparator_t* cmp) {
  opt->rep.comparator = cmp;
}

void rocksdb_options_set_merge_operator(
    rocksdb_options_t* opt, rocksdb_mergeoperator_t* merge_operator) {
  opt->rep.merge_operator = std::shared_ptr<MergeOperator>(merge_operator);
}

void rocksdb_options_set_wal_filter(rocksdb_options_t* opt,
                                    rocksdb_walfilter_t* filter) {
  opt->rep.wal_filter = filter;
}

void rocksdb_options_clear_wal_filter(rocksdb_options_t* opt) {
  opt->rep.wal_filter = nullptr;
}

// BEGIN generated: c_generated_options_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'Options simple'
//     --header-out
//     c_api_gen/c_generated_options_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_options_subset.cc.inc

/* Options simple */

void rocksdb_options_set_compression_options_zstd_max_train_bytes(
    rocksdb_options_t* opt, int zstd_max_train_bytes) {
  opt->rep.compression_opts.zstd_max_train_bytes = zstd_max_train_bytes;
}

int rocksdb_options_get_compression_options_zstd_max_train_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.compression_opts.zstd_max_train_bytes;
}

void rocksdb_options_set_compression_options_use_zstd_dict_trainer(
    rocksdb_options_t* opt, unsigned char use_zstd_dict_trainer) {
  opt->rep.compression_opts.use_zstd_dict_trainer = use_zstd_dict_trainer;
}

unsigned char rocksdb_options_get_compression_options_use_zstd_dict_trainer(
    rocksdb_options_t* opt) {
  return opt->rep.compression_opts.use_zstd_dict_trainer;
}

void rocksdb_options_set_compression_options_parallel_threads(
    rocksdb_options_t* opt, int value) {
  opt->rep.compression_opts.parallel_threads = value;
}

int rocksdb_options_get_compression_options_parallel_threads(
    rocksdb_options_t* opt) {
  return opt->rep.compression_opts.parallel_threads;
}

void rocksdb_options_set_compression_options_max_dict_buffer_bytes(
    rocksdb_options_t* opt, uint64_t max_dict_buffer_bytes) {
  opt->rep.compression_opts.max_dict_buffer_bytes = max_dict_buffer_bytes;
}

uint64_t rocksdb_options_get_compression_options_max_dict_buffer_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.compression_opts.max_dict_buffer_bytes;
}

unsigned char
rocksdb_options_get_bottommost_compression_options_use_zstd_dict_trainer(
    rocksdb_options_t* opt) {
  return opt->rep.bottommost_compression_opts.use_zstd_dict_trainer;
}

void rocksdb_options_set_use_fsync(rocksdb_options_t* opt, int use_fsync) {
  opt->rep.use_fsync = use_fsync;
}

int rocksdb_options_get_use_fsync(rocksdb_options_t* opt) {
  return opt->rep.use_fsync;
}

void rocksdb_options_set_disable_auto_compactions(rocksdb_options_t* opt,
                                                  int disable) {
  opt->rep.disable_auto_compactions = disable;
}

void rocksdb_options_set_optimize_filters_for_hits(rocksdb_options_t* opt,
                                                   int v) {
  opt->rep.optimize_filters_for_hits = v;
}

void rocksdb_options_set_report_bg_io_stats(rocksdb_options_t* opt, int v) {
  opt->rep.report_bg_io_stats = v;
}
// END generated: c_generated_options_subset.cc.inc

void rocksdb_options_set_compression_per_level(rocksdb_options_t* opt,
                                               const int* level_values,
                                               size_t num_levels) {
  opt->rep.compression_per_level.resize(num_levels);
  for (size_t i = 0; i < num_levels; ++i) {
    opt->rep.compression_per_level[i] =
        static_cast<CompressionType>(level_values[i]);
  }
}

void rocksdb_options_set_compression_options(rocksdb_options_t* opt, int w_bits,
                                             int level, int strategy,
                                             int max_dict_bytes) {
  opt->rep.compression_opts.window_bits = w_bits;
  opt->rep.compression_opts.level = level;
  opt->rep.compression_opts.strategy = strategy;
  opt->rep.compression_opts.max_dict_bytes = max_dict_bytes;
}

// The bottommost_compression_opts setters below each write multiple fields of
// the nested CompressionOptions struct (and flip `enabled`), so they cannot be
// auto-generated as simple scalar field wrappers and are kept hand-written.
void rocksdb_options_set_bottommost_compression_options(rocksdb_options_t* opt,
                                                        int w_bits, int level,
                                                        int strategy,
                                                        int max_dict_bytes,
                                                        unsigned char enabled) {
  opt->rep.bottommost_compression_opts.window_bits = w_bits;
  opt->rep.bottommost_compression_opts.level = level;
  opt->rep.bottommost_compression_opts.strategy = strategy;
  opt->rep.bottommost_compression_opts.max_dict_bytes = max_dict_bytes;
  opt->rep.bottommost_compression_opts.enabled = enabled;
}

void rocksdb_options_set_bottommost_compression_options_zstd_max_train_bytes(
    rocksdb_options_t* opt, int zstd_max_train_bytes, unsigned char enabled) {
  opt->rep.bottommost_compression_opts.zstd_max_train_bytes =
      zstd_max_train_bytes;
  opt->rep.bottommost_compression_opts.enabled = enabled;
}

void rocksdb_options_set_bottommost_compression_options_use_zstd_dict_trainer(
    rocksdb_options_t* opt, unsigned char use_zstd_dict_trainer,
    unsigned char enabled) {
  opt->rep.bottommost_compression_opts.use_zstd_dict_trainer =
      use_zstd_dict_trainer;
  opt->rep.bottommost_compression_opts.enabled = enabled;
}

void rocksdb_options_set_bottommost_compression_options_max_dict_buffer_bytes(
    rocksdb_options_t* opt, uint64_t max_dict_buffer_bytes,
    unsigned char enabled) {
  opt->rep.bottommost_compression_opts.max_dict_buffer_bytes =
      max_dict_buffer_bytes;
  opt->rep.bottommost_compression_opts.enabled = enabled;
}

// Takes a caller-owned array of per-level values, so it is hand-written rather
// than auto-generated.
void rocksdb_options_set_max_bytes_for_level_multiplier_additional(
    rocksdb_options_t* opt, int* level_values, size_t num_levels) {
  opt->rep.max_bytes_for_level_multiplier_additional.resize(num_levels);
  for (size_t i = 0; i < num_levels; ++i) {
    opt->rep.max_bytes_for_level_multiplier_additional[i] = level_values[i];
  }
}

void rocksdb_options_set_db_paths(rocksdb_options_t* opt,
                                  const rocksdb_dbpath_t** dbpath_values,
                                  size_t num_paths) {
  std::vector<DbPath> db_paths(num_paths);
  for (size_t i = 0; i < num_paths; ++i) {
    db_paths[i] = dbpath_values[i]->rep;
  }
  opt->rep.db_paths = db_paths;
}

void rocksdb_options_set_cf_paths(rocksdb_options_t* opt,
                                  const rocksdb_dbpath_t** dbpath_values,
                                  size_t num_paths) {
  std::vector<DbPath> cf_paths(num_paths);
  for (size_t i = 0; i < num_paths; ++i) {
    cf_paths[i] = dbpath_values[i]->rep;
  }
  opt->rep.cf_paths = cf_paths;
}

rocksdb_logger_t* rocksdb_logger_create_stderr_logger(int log_level,
                                                      const char* prefix) {
  rocksdb_logger_t* logger = new rocksdb_logger_t;

  if (prefix) {
    logger->rep = std::make_shared<StderrLogger>(
        static_cast<InfoLogLevel>(log_level), prefix);
  } else {
    logger->rep =
        std::make_shared<StderrLogger>(static_cast<InfoLogLevel>(log_level));
  }

  return logger;
}

rocksdb_logger_t* rocksdb_logger_create_callback_logger(
    int log_level, void (*callback)(void*, unsigned, char*, size_t),
    void* priv) {
  rocksdb_logger_t* logger = new rocksdb_logger_t;
  logger->rep = std::make_shared<rocksdb_callback_logger_t>(
      static_cast<InfoLogLevel>(log_level), callback, priv);
  return logger;
}

void rocksdb_logger_destroy(rocksdb_logger_t* logger) { delete logger; }

/* File Checksum Gen Factory */

rocksdb_file_checksum_gen_factory_t*
rocksdb_file_checksum_gen_crc32c_factory_create() {
  rocksdb_file_checksum_gen_factory_t* factory =
      new rocksdb_file_checksum_gen_factory_t;
  factory->rep = GetFileChecksumGenCrc32cFactory();
  return factory;
}

void rocksdb_file_checksum_gen_factory_destroy(
    rocksdb_file_checksum_gen_factory_t* factory) {
  delete factory;
}

void rocksdb_options_set_file_checksum_gen_factory(
    rocksdb_options_t* opt, rocksdb_file_checksum_gen_factory_t* factory) {
  if (opt && factory) {
    opt->rep.file_checksum_gen_factory = factory->rep;
  }
}

void rocksdb_options_checksum_handoff_file_types_clear(rocksdb_options_t* opt) {
  opt->rep.checksum_handoff_file_types = {};
}

void rocksdb_options_checksum_handoff_file_types_add(rocksdb_options_t* opt,
                                                     int file_type) {
  opt->rep.checksum_handoff_file_types.Add(static_cast<FileType>(file_type));
}

void rocksdb_options_checksum_handoff_file_types_remove(rocksdb_options_t* opt,
                                                        int file_type) {
  opt->rep.checksum_handoff_file_types.Remove(static_cast<FileType>(file_type));
}

unsigned char rocksdb_options_checksum_handoff_file_types_contains(
    rocksdb_options_t* opt, int file_type) {
  return opt->rep.checksum_handoff_file_types.Contains(
      static_cast<FileType>(file_type));
}

size_t rocksdb_options_checksum_handoff_file_types_count(
    rocksdb_options_t* opt) {
  return opt->rep.checksum_handoff_file_types.count();
}

void rocksdb_options_calculate_sst_write_lifetime_hint_set_clear(
    rocksdb_options_t* opt) {
  opt->rep.calculate_sst_write_lifetime_hint_set = {};
}

void rocksdb_options_calculate_sst_write_lifetime_hint_set_add(
    rocksdb_options_t* opt, int compaction_style) {
  opt->rep.calculate_sst_write_lifetime_hint_set.Add(
      static_cast<CompactionStyle>(compaction_style));
}

void rocksdb_options_calculate_sst_write_lifetime_hint_set_remove(
    rocksdb_options_t* opt, int compaction_style) {
  opt->rep.calculate_sst_write_lifetime_hint_set.Remove(
      static_cast<CompactionStyle>(compaction_style));
}

unsigned char rocksdb_options_calculate_sst_write_lifetime_hint_set_contains(
    rocksdb_options_t* opt, int compaction_style) {
  return opt->rep.calculate_sst_write_lifetime_hint_set.Contains(
      static_cast<CompactionStyle>(compaction_style));
}

size_t rocksdb_options_calculate_sst_write_lifetime_hint_set_count(
    rocksdb_options_t* opt) {
  return opt->rep.calculate_sst_write_lifetime_hint_set.count();
}

/* SST Partitioner Factory */

rocksdb_sst_partitioner_factory_t*
rocksdb_sst_partitioner_fixed_prefix_factory_create(size_t prefix_len) {
  rocksdb_sst_partitioner_factory_t* factory =
      new rocksdb_sst_partitioner_factory_t;
  factory->rep = NewSstPartitionerFixedPrefixFactory(prefix_len);
  return factory;
}

void rocksdb_sst_partitioner_factory_destroy(
    rocksdb_sst_partitioner_factory_t* factory) {
  delete factory;
}

void rocksdb_options_set_sst_partitioner_factory(
    rocksdb_options_t* opt, rocksdb_sst_partitioner_factory_t* factory) {
  if (opt && factory) {
    opt->rep.sst_partitioner_factory = factory->rep;
  }
}

/* Table Properties Collector Factory */

void rocksdb_table_properties_collector_factory_destroy(
    rocksdb_table_properties_collector_factory_t* factory) {
  delete factory;
}

void rocksdb_options_add_table_properties_collector_factory(
    rocksdb_options_t* opt,
    rocksdb_table_properties_collector_factory_t* factory) {
  if (opt && factory) {
    opt->rep.table_properties_collector_factories.push_back(factory->rep);
  }
}

void rocksdb_options_set_env(rocksdb_options_t* opt, rocksdb_env_t* env) {
  opt->rep.env = (env ? env->rep : nullptr);
}

void rocksdb_options_set_info_log(rocksdb_options_t* opt, rocksdb_logger_t* l) {
  if (l) {
    opt->rep.info_log = l->rep;
  }
}

rocksdb_logger_t* rocksdb_options_get_info_log(rocksdb_options_t* opt) {
  rocksdb_logger_t* info_log = new rocksdb_logger_t;
  info_log->rep = opt->rep.info_log;
  return info_log;
}

void rocksdb_options_set_write_buffer_manager(
    rocksdb_options_t* opt, rocksdb_write_buffer_manager_t* wbm) {
  opt->rep.write_buffer_manager = wbm->rep;
}

void rocksdb_options_set_sst_file_manager(rocksdb_options_t* opt,
                                          rocksdb_sst_file_manager_t* sfm) {
  opt->rep.sst_file_manager = sfm->rep;
}

void rocksdb_options_enable_statistics(rocksdb_options_t* opt) {
  opt->rep.statistics = ROCKSDB_NAMESPACE::CreateDBStatistics();
}

void rocksdb_options_set_statistics_level(rocksdb_options_t* opt, int level) {
  if (!opt->rep.statistics) {
    return;
  }

  if (level < rocksdb_statistics_level_disable_all) {
    level = rocksdb_statistics_level_disable_all;
  }
  if (level > rocksdb_statistics_level_all) {
    level = rocksdb_statistics_level_all;
  }
  opt->rep.statistics->set_stats_level(
      static_cast<ROCKSDB_NAMESPACE::StatsLevel>(level));
}

int rocksdb_options_get_statistics_level(rocksdb_options_t* opt) {
  if (!opt->rep.statistics) {
    return ROCKSDB_NAMESPACE::StatsLevel::kDisableAll;
  }

  return static_cast<int>(opt->rep.statistics->get_stats_level());
}

void rocksdb_options_set_blob_cache(rocksdb_options_t* opt,
                                    rocksdb_cache_t* blob_cache) {
  opt->rep.blob_cache = blob_cache->rep;
}

void rocksdb_options_set_prefix_extractor(
    rocksdb_options_t* opt, rocksdb_slicetransform_t* prefix_extractor) {
  opt->rep.prefix_extractor.reset(prefix_extractor);
}

void rocksdb_options_prepare_for_bulk_load(rocksdb_options_t* opt) {
  opt->rep.PrepareForBulkLoad();
}

void rocksdb_options_set_memtable_vector_rep(rocksdb_options_t* opt) {
  opt->rep.memtable_factory =
      std::make_shared<ROCKSDB_NAMESPACE::VectorRepFactory>();
}

void rocksdb_options_set_hash_skip_list_rep(rocksdb_options_t* opt,
                                            size_t bucket_count,
                                            int32_t skiplist_height,
                                            int32_t skiplist_branching_factor) {
  ROCKSDB_NAMESPACE::MemTableRepFactory* factory =
      ROCKSDB_NAMESPACE::NewHashSkipListRepFactory(
          bucket_count, skiplist_height, skiplist_branching_factor);
  opt->rep.memtable_factory.reset(factory);
}

void rocksdb_options_set_hash_link_list_rep(rocksdb_options_t* opt,
                                            size_t bucket_count) {
  opt->rep.memtable_factory.reset(
      ROCKSDB_NAMESPACE::NewHashLinkListRepFactory(bucket_count));
}

void rocksdb_options_set_plain_table_factory(
    rocksdb_options_t* opt, uint32_t user_key_len, int bloom_bits_per_key,
    double hash_table_ratio, size_t index_sparseness, size_t huge_page_tlb_size,
    char encoding_type, unsigned char full_scan_mode,
    unsigned char store_index_in_file) {
  ROCKSDB_NAMESPACE::PlainTableOptions options;
  options.user_key_len = user_key_len;
  options.bloom_bits_per_key = bloom_bits_per_key;
  options.hash_table_ratio = hash_table_ratio;
  options.index_sparseness = index_sparseness;
  options.huge_page_tlb_size = huge_page_tlb_size;
  options.encoding_type =
      static_cast<ROCKSDB_NAMESPACE::EncodingType>(encoding_type);
  options.full_scan_mode = full_scan_mode;
  options.store_index_in_file = store_index_in_file;

  ROCKSDB_NAMESPACE::TableFactory* factory =
      ROCKSDB_NAMESPACE::NewPlainTableFactory(options);
  opt->rep.table_factory.reset(factory);
}

void rocksdb_options_set_universal_compaction_options(
    rocksdb_options_t* opt, rocksdb_universal_compaction_options_t* uco) {
  opt->rep.compaction_options_universal = *(uco->rep);
}

void rocksdb_options_set_fifo_compaction_options(
    rocksdb_options_t* opt, rocksdb_fifo_compaction_options_t* fifo) {
  opt->rep.compaction_options_fifo = fifo->rep;
}

char* rocksdb_options_statistics_get_string(rocksdb_options_t* opt) {
  ROCKSDB_NAMESPACE::Statistics* statistics = opt->rep.statistics.get();
  if (statistics) {
    return strdup(statistics->ToString().c_str());
  }
  return nullptr;
}

uint64_t rocksdb_options_statistics_get_ticker_count(rocksdb_options_t* opt,
                                                     uint32_t ticker_type) {
  ROCKSDB_NAMESPACE::Statistics* statistics = opt->rep.statistics.get();
  if (statistics) {
    return statistics->getTickerCount(ticker_type);
  }
  return 0;
}

void rocksdb_options_statistics_get_histogram_data(
    rocksdb_options_t* opt, uint32_t type,
    rocksdb_statistics_histogram_data_t* const data) {
  ROCKSDB_NAMESPACE::Statistics* statistics = opt->rep.statistics.get();
  if (statistics) {
    statistics->histogramData(type, &data->rep);
  } else {
    *data = rocksdb_statistics_histogram_data_t{};
  }
}

void rocksdb_options_set_ratelimiter(rocksdb_options_t* opt,
                                     rocksdb_ratelimiter_t* limiter) {
  if (limiter) {
    opt->rep.rate_limiter = limiter->rep;
  }
}

rocksdb_ratelimiter_t* rocksdb_ratelimiter_create(int64_t rate_bytes_per_sec,
                                                  int64_t refill_period_us,
                                                  int32_t fairness) {
  rocksdb_ratelimiter_t* rate_limiter = new rocksdb_ratelimiter_t;
  rate_limiter->rep.reset(
      NewGenericRateLimiter(rate_bytes_per_sec, refill_period_us, fairness));
  return rate_limiter;
}

rocksdb_ratelimiter_t* rocksdb_ratelimiter_create_auto_tuned(
    int64_t rate_bytes_per_sec, int64_t refill_period_us, int32_t fairness) {
  rocksdb_ratelimiter_t* rate_limiter = new rocksdb_ratelimiter_t;
  rate_limiter->rep.reset(NewGenericRateLimiter(rate_bytes_per_sec,
                                                refill_period_us, fairness,
                                                RateLimiter::Mode::kWritesOnly,
                                                true));  // auto_tuned
  return rate_limiter;
}

rocksdb_ratelimiter_t* rocksdb_ratelimiter_create_with_mode(
    int64_t rate_bytes_per_sec, int64_t refill_period_us, int32_t fairness,
    int mode, bool auto_tuned) {
  rocksdb_ratelimiter_t* rate_limiter = new rocksdb_ratelimiter_t;
  rate_limiter->rep.reset(
      NewGenericRateLimiter(rate_bytes_per_sec, refill_period_us, fairness,
                            static_cast<RateLimiter::Mode>(mode), auto_tuned));
  return rate_limiter;
}

void rocksdb_ratelimiter_destroy(rocksdb_ratelimiter_t* limiter) {
  delete limiter;
}

void rocksdb_options_set_row_cache(rocksdb_options_t* opt,
                                   rocksdb_cache_t* cache) {
  if (cache) {
    opt->rep.row_cache = cache->rep;
  }
}

void rocksdb_options_add_compact_on_deletion_collector_factory(
    rocksdb_options_t* opt, size_t window_size, size_t num_dels_trigger) {
  std::shared_ptr<ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory>
      compact_on_del =
          NewCompactOnDeletionCollectorFactory(window_size, num_dels_trigger);
  opt->rep.table_properties_collector_factories.emplace_back(compact_on_del);
}

void rocksdb_options_add_compact_on_deletion_collector_factory_del_ratio(
    rocksdb_options_t* opt, size_t window_size, size_t num_dels_trigger,
    double deletion_ratio) {
  std::shared_ptr<ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory>
      compact_on_del = NewCompactOnDeletionCollectorFactory(
          window_size, num_dels_trigger, deletion_ratio);
  opt->rep.table_properties_collector_factories.emplace_back(compact_on_del);
}

void rocksdb_options_add_compact_on_deletion_collector_factory_min_file_size(
    rocksdb_options_t* opt, size_t window_size, size_t num_dels_trigger,
    double deletion_ratio, uint64_t min_file_size) {
  std::shared_ptr<ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory>
      compact_on_del = NewCompactOnDeletionCollectorFactory(
          window_size, num_dels_trigger, deletion_ratio, min_file_size);
  opt->rep.table_properties_collector_factories.emplace_back(compact_on_del);
}

void rocksdb_set_perf_level(int v) {
  PerfLevel level = static_cast<PerfLevel>(v);
  SetPerfLevel(level);
}

rocksdb_perfcontext_t* rocksdb_perfcontext_create() {
  rocksdb_perfcontext_t* context = new rocksdb_perfcontext_t;
  context->rep = ROCKSDB_NAMESPACE::get_perf_context();
  return context;
}

void rocksdb_perfcontext_reset(rocksdb_perfcontext_t* context) {
  context->rep->Reset();
}

char* rocksdb_perfcontext_report(rocksdb_perfcontext_t* context,
                                 unsigned char exclude_zero_counters) {
  return strdup(context->rep->ToString(exclude_zero_counters).c_str());
}

uint64_t rocksdb_perfcontext_metric(rocksdb_perfcontext_t* context,
                                    int metric) {
  PerfContext* rep = context->rep;
  switch (metric) {
    case rocksdb_user_key_comparison_count:
      return rep->user_key_comparison_count;
    case rocksdb_block_cache_hit_count:
      return rep->block_cache_hit_count;
    case rocksdb_block_read_count:
      return rep->block_read_count;
    case rocksdb_block_read_byte:
      return rep->block_read_byte;
    case rocksdb_block_read_time:
      return rep->block_read_time;
    case rocksdb_block_checksum_time:
      return rep->block_checksum_time;
    case rocksdb_block_decompress_time:
      return rep->block_decompress_time;
    case rocksdb_get_read_bytes:
      return rep->get_read_bytes;
    case rocksdb_multiget_read_bytes:
      return rep->multiget_read_bytes;
    case rocksdb_iter_read_bytes:
      return rep->iter_read_bytes;
    case rocksdb_internal_key_skipped_count:
      return rep->internal_key_skipped_count;
    case rocksdb_internal_delete_skipped_count:
      return rep->internal_delete_skipped_count;
    case rocksdb_internal_recent_skipped_count:
      return rep->internal_recent_skipped_count;
    case rocksdb_internal_merge_count:
      return rep->internal_merge_count;
    case rocksdb_internal_merge_point_lookup_count:
      return rep->internal_merge_point_lookup_count;
    case rocksdb_get_snapshot_time:
      return rep->get_snapshot_time;
    case rocksdb_get_from_memtable_time:
      return rep->get_from_memtable_time;
    case rocksdb_get_from_memtable_count:
      return rep->get_from_memtable_count;
    case rocksdb_get_post_process_time:
      return rep->get_post_process_time;
    case rocksdb_get_from_output_files_time:
      return rep->get_from_output_files_time;
    case rocksdb_seek_on_memtable_time:
      return rep->seek_on_memtable_time;
    case rocksdb_seek_on_memtable_count:
      return rep->seek_on_memtable_count;
    case rocksdb_next_on_memtable_count:
      return rep->next_on_memtable_count;
    case rocksdb_prev_on_memtable_count:
      return rep->prev_on_memtable_count;
    case rocksdb_seek_child_seek_time:
      return rep->seek_child_seek_time;
    case rocksdb_seek_child_seek_count:
      return rep->seek_child_seek_count;
    case rocksdb_seek_min_heap_time:
      return rep->seek_min_heap_time;
    case rocksdb_seek_max_heap_time:
      return rep->seek_max_heap_time;
    case rocksdb_seek_internal_seek_time:
      return rep->seek_internal_seek_time;
    case rocksdb_find_next_user_entry_time:
      return rep->find_next_user_entry_time;
    case rocksdb_write_wal_time:
      return rep->write_wal_time;
    case rocksdb_write_memtable_time:
      return rep->write_memtable_time;
    case rocksdb_write_delay_time:
      return rep->write_delay_time;
    case rocksdb_write_pre_and_post_process_time:
      return rep->write_pre_and_post_process_time;
    case rocksdb_db_mutex_lock_nanos:
      return rep->db_mutex_lock_nanos;
    case rocksdb_db_condition_wait_nanos:
      return rep->db_condition_wait_nanos;
    case rocksdb_merge_operator_time_nanos:
      return rep->merge_operator_time_nanos;
    case rocksdb_read_index_block_nanos:
      return rep->read_index_block_nanos;
    case rocksdb_read_filter_block_nanos:
      return rep->read_filter_block_nanos;
    case rocksdb_new_table_block_iter_nanos:
      return rep->new_table_block_iter_nanos;
    case rocksdb_new_table_iterator_nanos:
      return rep->new_table_iterator_nanos;
    case rocksdb_block_seek_nanos:
      return rep->block_seek_nanos;
    case rocksdb_find_table_nanos:
      return rep->find_table_nanos;
    case rocksdb_bloom_memtable_hit_count:
      return rep->bloom_memtable_hit_count;
    case rocksdb_bloom_memtable_miss_count:
      return rep->bloom_memtable_miss_count;
    case rocksdb_bloom_sst_hit_count:
      return rep->bloom_sst_hit_count;
    case rocksdb_bloom_sst_miss_count:
      return rep->bloom_sst_miss_count;
    case rocksdb_key_lock_wait_time:
      return rep->key_lock_wait_time;
    case rocksdb_key_lock_wait_count:
      return rep->key_lock_wait_count;
    case rocksdb_env_new_sequential_file_nanos:
      return rep->env_new_sequential_file_nanos;
    case rocksdb_env_new_random_access_file_nanos:
      return rep->env_new_random_access_file_nanos;
    case rocksdb_env_new_writable_file_nanos:
      return rep->env_new_writable_file_nanos;
    case rocksdb_env_reuse_writable_file_nanos:
      return rep->env_reuse_writable_file_nanos;
    case rocksdb_env_new_random_rw_file_nanos:
      return rep->env_new_random_rw_file_nanos;
    case rocksdb_env_new_directory_nanos:
      return rep->env_new_directory_nanos;
    case rocksdb_env_file_exists_nanos:
      return rep->env_file_exists_nanos;
    case rocksdb_env_get_children_nanos:
      return rep->env_get_children_nanos;
    case rocksdb_env_get_children_file_attributes_nanos:
      return rep->env_get_children_file_attributes_nanos;
    case rocksdb_env_delete_file_nanos:
      return rep->env_delete_file_nanos;
    case rocksdb_env_create_dir_nanos:
      return rep->env_create_dir_nanos;
    case rocksdb_env_create_dir_if_missing_nanos:
      return rep->env_create_dir_if_missing_nanos;
    case rocksdb_env_delete_dir_nanos:
      return rep->env_delete_dir_nanos;
    case rocksdb_env_get_file_size_nanos:
      return rep->env_get_file_size_nanos;
    case rocksdb_env_get_file_modification_time_nanos:
      return rep->env_get_file_modification_time_nanos;
    case rocksdb_env_rename_file_nanos:
      return rep->env_rename_file_nanos;
    case rocksdb_env_link_file_nanos:
      return rep->env_link_file_nanos;
    case rocksdb_env_lock_file_nanos:
      return rep->env_lock_file_nanos;
    case rocksdb_env_unlock_file_nanos:
      return rep->env_unlock_file_nanos;
    case rocksdb_env_new_logger_nanos:
      return rep->env_new_logger_nanos;
    case rocksdb_number_async_seek:
      return rep->number_async_seek;
    case rocksdb_blob_cache_hit_count:
      return rep->blob_cache_hit_count;
    case rocksdb_blob_read_count:
      return rep->blob_read_count;
    case rocksdb_blob_read_byte:
      return rep->blob_read_byte;
    case rocksdb_blob_read_time:
      return rep->blob_read_time;
    case rocksdb_blob_checksum_time:
      return rep->blob_checksum_time;
    case rocksdb_blob_decompress_time:
      return rep->blob_decompress_time;
    case rocksdb_internal_range_del_reseek_count:
      return rep->internal_range_del_reseek_count;
    case rocksdb_block_read_cpu_time:
      return rep->block_read_cpu_time;
    case rocksdb_data_block_read_byte:
      return rep->data_block_read_byte;
    case rocksdb_index_block_read_byte:
      return rep->index_block_read_byte;
    case rocksdb_filter_block_read_byte:
      return rep->filter_block_read_byte;
    case rocksdb_compression_dict_block_read_byte:
      return rep->compression_dict_block_read_byte;
    case rocksdb_metadata_block_read_byte:
      return rep->metadata_block_read_byte;
    default:
      break;
  }
  return 0;
}

void rocksdb_perfcontext_destroy(rocksdb_perfcontext_t* context) {
  delete context;
}

/*
TODO:
DB::GetOptions
DB::GetSortedWalFiles
DB::RunManualCompaction
custom cache
table_properties_collectors
*/

rocksdb_compactionfilter_t* rocksdb_compactionfilter_create(
    void* state, void (*destructor)(void*),
    unsigned char (*filter)(void*, int level, const char* key,
                            size_t key_length, const char* existing_value,
                            size_t value_length, char** new_value,
                            size_t* new_value_length,
                            unsigned char* value_changed),
    const char* (*name)(void*)) {
  rocksdb_compactionfilter_t* result = new rocksdb_compactionfilter_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->filter_ = filter;
  result->ignore_snapshots_ = true;
  result->name_ = name;
  return result;
}

void rocksdb_compactionfilter_set_ignore_snapshots(
    rocksdb_compactionfilter_t* filter, unsigned char whether_ignore) {
  filter->ignore_snapshots_ = whether_ignore;
}

void rocksdb_compactionfilter_destroy(rocksdb_compactionfilter_t* filter) {
  delete filter;
}

rocksdb_walfilter_t* rocksdb_walfilter_create(
    void* state, void (*destructor)(void*),
    rocksdb_walfilter_column_family_log_number_map_cb
        column_family_log_number_map,
    rocksdb_walfilter_log_record_found_cb log_record_found,
    const char* (*name)(void*)) {
  rocksdb_walfilter_t* result = new rocksdb_walfilter_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->column_family_log_number_map_ = column_family_log_number_map;
  result->log_record_found_ = log_record_found;
  result->name_ = name;
  return result;
}

void rocksdb_walfilter_destroy(rocksdb_walfilter_t* filter) { delete filter; }

unsigned char rocksdb_compactionfiltercontext_is_full_compaction(
    rocksdb_compactionfiltercontext_t* context) {
  return context->rep.is_full_compaction;
}

unsigned char rocksdb_compactionfiltercontext_is_manual_compaction(
    rocksdb_compactionfiltercontext_t* context) {
  return context->rep.is_manual_compaction;
}

rocksdb_compactionfilterfactory_t* rocksdb_compactionfilterfactory_create(
    void* state, void (*destructor)(void*),
    rocksdb_compactionfilter_t* (*create_compaction_filter)(
        void*, rocksdb_compactionfiltercontext_t* context),
    const char* (*name)(void*)) {
  rocksdb_compactionfilterfactory_t* result =
      new rocksdb_compactionfilterfactory_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->create_compaction_filter_ = create_compaction_filter;
  result->name_ = name;
  return result;
}

void rocksdb_compactionfilterfactory_destroy(
    rocksdb_compactionfilterfactory_t* factory) {
  delete factory;
}

rocksdb_comparator_t* rocksdb_comparator_create(
    void* state, void (*destructor)(void*),
    int (*compare)(void*, const char* a, size_t alen, const char* b,
                   size_t blen),
    const char* (*name)(void*)) {
  rocksdb_comparator_t* result = new rocksdb_comparator_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->compare_ = compare;
  result->name_ = name;
  result->compare_ts_ = nullptr;
  result->compare_without_ts_ = nullptr;
  return result;
}

void rocksdb_comparator_destroy(rocksdb_comparator_t* cmp) { delete cmp; }

rocksdb_comparator_t* rocksdb_comparator_with_ts_create(
    void* state, void (*destructor)(void*),
    int (*compare)(void*, const char* a, size_t alen, const char* b,
                   size_t blen),
    int (*compare_ts)(void*, const char* a_ts, size_t a_tslen, const char* b_ts,
                      size_t b_tslen),
    int (*compare_without_ts)(void*, const char* a, size_t alen,
                              unsigned char a_has_ts, const char* b,
                              size_t blen, unsigned char b_has_ts),
    const char* (*name)(void*), size_t timestamp_size) {
  rocksdb_comparator_t* result = new rocksdb_comparator_t(timestamp_size);
  result->state_ = state;
  result->destructor_ = destructor;
  result->compare_ = compare;
  result->compare_ts_ = compare_ts;
  result->compare_without_ts_ = compare_without_ts;
  result->name_ = name;
  return result;
}

void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t* filter) {
  delete filter;
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_format(
    double bits_per_key, bool original_format) {
  // Make a rocksdb_filterpolicy_t, but override all of its methods so
  // they delegate to a NewBloomFilterPolicy() instead of user
  // supplied C functions.
  struct Wrapper : public rocksdb_filterpolicy_t {
    const FilterPolicy* rep_;
    ~Wrapper() override { delete rep_; }
    const char* Name() const override { return rep_->Name(); }
    const char* CompatibilityName() const override {
      return rep_->CompatibilityName();
    }
    // No need to override GetFilterBitsBuilder if this one is overridden
    ROCKSDB_NAMESPACE::FilterBitsBuilder* GetBuilderWithContext(
        const ROCKSDB_NAMESPACE::FilterBuildingContext& context)
        const override {
      return rep_->GetBuilderWithContext(context);
    }
    ROCKSDB_NAMESPACE::FilterBitsReader* GetFilterBitsReader(
        const Slice& contents) const override {
      return rep_->GetFilterBitsReader(contents);
    }
    static void DoNothing(void*) {}
  };
  Wrapper* wrapper = new Wrapper;
  wrapper->rep_ = NewBloomFilterPolicy(bits_per_key, original_format);
  wrapper->state_ = nullptr;
  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_full(
    double bits_per_key) {
  return rocksdb_filterpolicy_create_bloom_format(bits_per_key, false);
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(double bits_per_key) {
  return rocksdb_filterpolicy_create_bloom_format(bits_per_key, true);
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_ribbon_format(
    double bloom_equivalent_bits_per_key, int bloom_before_level) {
  // Make a rocksdb_filterpolicy_t, but override all of its methods so
  // they delegate to a NewRibbonFilterPolicy() instead of user
  // supplied C functions.
  struct Wrapper : public rocksdb_filterpolicy_t {
    const FilterPolicy* rep_;
    ~Wrapper() override { delete rep_; }
    const char* Name() const override { return rep_->Name(); }
    const char* CompatibilityName() const override {
      return rep_->CompatibilityName();
    }
    ROCKSDB_NAMESPACE::FilterBitsBuilder* GetBuilderWithContext(
        const ROCKSDB_NAMESPACE::FilterBuildingContext& context)
        const override {
      return rep_->GetBuilderWithContext(context);
    }
    ROCKSDB_NAMESPACE::FilterBitsReader* GetFilterBitsReader(
        const Slice& contents) const override {
      return rep_->GetFilterBitsReader(contents);
    }
    static void DoNothing(void*) {}
  };
  Wrapper* wrapper = new Wrapper;
  wrapper->rep_ =
      NewRibbonFilterPolicy(bloom_equivalent_bits_per_key, bloom_before_level);
  wrapper->state_ = nullptr;
  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_ribbon(
    double bloom_equivalent_bits_per_key) {
  return rocksdb_filterpolicy_create_ribbon_format(
      bloom_equivalent_bits_per_key, /*bloom_before_level = disabled*/ -1);
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_ribbon_hybrid(
    double bloom_equivalent_bits_per_key, int bloom_before_level) {
  return rocksdb_filterpolicy_create_ribbon_format(
      bloom_equivalent_bits_per_key, bloom_before_level);
}

rocksdb_mergeoperator_t* rocksdb_mergeoperator_create(
    void* state, void (*destructor)(void*),
    char* (*full_merge)(void*, const char* key, size_t key_length,
                        const char* existing_value,
                        size_t existing_value_length,
                        const char* const* operands_list,
                        const size_t* operands_list_length, int num_operands,
                        unsigned char* success, size_t* new_value_length),
    char* (*partial_merge)(void*, const char* key, size_t key_length,
                           const char* const* operands_list,
                           const size_t* operands_list_length, int num_operands,
                           unsigned char* success, size_t* new_value_length),
    void (*delete_value)(void*, const char* value, size_t value_length),
    const char* (*name)(void*)) {
  rocksdb_mergeoperator_t* result = new rocksdb_mergeoperator_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->full_merge_ = full_merge;
  result->partial_merge_ = partial_merge;
  result->delete_value_ = delete_value;
  result->name_ = name;
  return result;
}

void rocksdb_mergeoperator_destroy(rocksdb_mergeoperator_t* merge_operator) {
  delete merge_operator;
}

rocksdb_readoptions_t* rocksdb_readoptions_create() {
  return new rocksdb_readoptions_t;
}

void rocksdb_readoptions_destroy(rocksdb_readoptions_t* opt) { delete opt; }

// BEGIN generated: c_generated_readoptions_auto.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/auto_simple_bindings.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Sources:
//   - include/rocksdb/options.h
//   - tools/c_api_gen/auto_simple_bindings_blocklist.json
//   - include/rocksdb/c.h
//   - tools/c_api_gen/c_base.cc
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/auto_simple_bindings.py

// Output group: Auto-discovered ReadOptions simple

/* ReadOptions */

void rocksdb_readoptions_set_deadline(rocksdb_readoptions_t* opt,
                                      uint64_t microseconds) {
  opt->rep.deadline = std::chrono::microseconds(microseconds);
}

uint64_t rocksdb_readoptions_get_deadline(rocksdb_readoptions_t* opt) {
  return opt->rep.deadline.count();
}

void rocksdb_readoptions_set_io_timeout(rocksdb_readoptions_t* opt,
                                        uint64_t microseconds) {
  opt->rep.io_timeout = std::chrono::microseconds(microseconds);
}

uint64_t rocksdb_readoptions_get_io_timeout(rocksdb_readoptions_t* opt) {
  return opt->rep.io_timeout.count();
}

void rocksdb_readoptions_set_read_tier(rocksdb_readoptions_t* opt, int v) {
  opt->rep.read_tier = static_cast<decltype(opt->rep.read_tier)>(v);
}

int rocksdb_readoptions_get_read_tier(rocksdb_readoptions_t* opt) {
  return static_cast<int>(opt->rep.read_tier);
}

void rocksdb_readoptions_set_rate_limiter_priority(rocksdb_readoptions_t* opt,
                                                   int v) {
  opt->rep.rate_limiter_priority =
      static_cast<decltype(opt->rep.rate_limiter_priority)>(v);
}

int rocksdb_readoptions_get_rate_limiter_priority(rocksdb_readoptions_t* opt) {
  return static_cast<int>(opt->rep.rate_limiter_priority);
}

void rocksdb_readoptions_set_value_size_soft_limit(rocksdb_readoptions_t* opt,
                                                   uint64_t v) {
  opt->rep.value_size_soft_limit = v;
}

uint64_t rocksdb_readoptions_get_value_size_soft_limit(
    rocksdb_readoptions_t* opt) {
  return opt->rep.value_size_soft_limit;
}

void rocksdb_readoptions_set_verify_checksums(rocksdb_readoptions_t* opt,
                                              unsigned char v) {
  opt->rep.verify_checksums = v;
}

unsigned char rocksdb_readoptions_get_verify_checksums(
    rocksdb_readoptions_t* opt) {
  return opt->rep.verify_checksums;
}

void rocksdb_readoptions_set_fill_cache(rocksdb_readoptions_t* opt,
                                        unsigned char v) {
  opt->rep.fill_cache = v;
}

unsigned char rocksdb_readoptions_get_fill_cache(rocksdb_readoptions_t* opt) {
  return opt->rep.fill_cache;
}

void rocksdb_readoptions_set_ignore_range_deletions(rocksdb_readoptions_t* opt,
                                                    unsigned char v) {
  opt->rep.ignore_range_deletions = v;
}

unsigned char rocksdb_readoptions_get_ignore_range_deletions(
    rocksdb_readoptions_t* opt) {
  return opt->rep.ignore_range_deletions;
}

void rocksdb_readoptions_set_async_io(rocksdb_readoptions_t* opt,
                                      unsigned char v) {
  opt->rep.async_io = v;
}

unsigned char rocksdb_readoptions_get_async_io(rocksdb_readoptions_t* opt) {
  return opt->rep.async_io;
}

void rocksdb_readoptions_set_optimize_multiget_for_io(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.optimize_multiget_for_io = v;
}

unsigned char rocksdb_readoptions_get_optimize_multiget_for_io(
    rocksdb_readoptions_t* opt) {
  return opt->rep.optimize_multiget_for_io;
}

void rocksdb_readoptions_set_readahead_size(rocksdb_readoptions_t* opt,
                                            size_t v) {
  opt->rep.readahead_size = v;
}

size_t rocksdb_readoptions_get_readahead_size(rocksdb_readoptions_t* opt) {
  return opt->rep.readahead_size;
}

void rocksdb_readoptions_set_max_skippable_internal_keys(
    rocksdb_readoptions_t* opt, uint64_t v) {
  opt->rep.max_skippable_internal_keys = v;
}

uint64_t rocksdb_readoptions_get_max_skippable_internal_keys(
    rocksdb_readoptions_t* opt) {
  return opt->rep.max_skippable_internal_keys;
}

void rocksdb_readoptions_set_tailing(rocksdb_readoptions_t* opt,
                                     unsigned char v) {
  opt->rep.tailing = v;
}

unsigned char rocksdb_readoptions_get_tailing(rocksdb_readoptions_t* opt) {
  return opt->rep.tailing;
}

void rocksdb_readoptions_set_total_order_seek(rocksdb_readoptions_t* opt,
                                              unsigned char v) {
  opt->rep.total_order_seek = v;
}

unsigned char rocksdb_readoptions_get_total_order_seek(
    rocksdb_readoptions_t* opt) {
  return opt->rep.total_order_seek;
}

void rocksdb_readoptions_set_auto_prefix_mode(rocksdb_readoptions_t* opt,
                                              unsigned char v) {
  opt->rep.auto_prefix_mode = v;
}

unsigned char rocksdb_readoptions_get_auto_prefix_mode(
    rocksdb_readoptions_t* opt) {
  return opt->rep.auto_prefix_mode;
}

void rocksdb_readoptions_set_prefix_same_as_start(rocksdb_readoptions_t* opt,
                                                  unsigned char v) {
  opt->rep.prefix_same_as_start = v;
}

unsigned char rocksdb_readoptions_get_prefix_same_as_start(
    rocksdb_readoptions_t* opt) {
  return opt->rep.prefix_same_as_start;
}

void rocksdb_readoptions_set_pin_data(rocksdb_readoptions_t* opt,
                                      unsigned char v) {
  opt->rep.pin_data = v;
}

unsigned char rocksdb_readoptions_get_pin_data(rocksdb_readoptions_t* opt) {
  return opt->rep.pin_data;
}

void rocksdb_readoptions_set_adaptive_readahead(rocksdb_readoptions_t* opt,
                                                unsigned char v) {
  opt->rep.adaptive_readahead = v;
}

unsigned char rocksdb_readoptions_get_adaptive_readahead(
    rocksdb_readoptions_t* opt) {
  return opt->rep.adaptive_readahead;
}

void rocksdb_readoptions_set_background_purge_on_iterator_cleanup(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.background_purge_on_iterator_cleanup = v;
}

unsigned char rocksdb_readoptions_get_background_purge_on_iterator_cleanup(
    rocksdb_readoptions_t* opt) {
  return opt->rep.background_purge_on_iterator_cleanup;
}

void rocksdb_readoptions_set_auto_readahead_size(rocksdb_readoptions_t* opt,
                                                 unsigned char v) {
  opt->rep.auto_readahead_size = v;
}

unsigned char rocksdb_readoptions_get_auto_readahead_size(
    rocksdb_readoptions_t* opt) {
  return opt->rep.auto_readahead_size;
}

void rocksdb_readoptions_set_allow_unprepared_value(rocksdb_readoptions_t* opt,
                                                    unsigned char v) {
  opt->rep.allow_unprepared_value = v;
}

unsigned char rocksdb_readoptions_get_allow_unprepared_value(
    rocksdb_readoptions_t* opt) {
  return opt->rep.allow_unprepared_value;
}

void rocksdb_readoptions_set_auto_refresh_iterator_with_snapshot(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.auto_refresh_iterator_with_snapshot = v;
}

unsigned char rocksdb_readoptions_get_auto_refresh_iterator_with_snapshot(
    rocksdb_readoptions_t* opt) {
  return opt->rep.auto_refresh_iterator_with_snapshot;
}

void rocksdb_readoptions_set_io_activity(rocksdb_readoptions_t* opt, int v) {
  opt->rep.io_activity = static_cast<decltype(opt->rep.io_activity)>(v);
}

int rocksdb_readoptions_get_io_activity(rocksdb_readoptions_t* opt) {
  return static_cast<int>(opt->rep.io_activity);
}
// END generated: c_generated_readoptions_auto.cc.inc

void rocksdb_readoptions_set_snapshot(rocksdb_readoptions_t* opt,
                                      const rocksdb_snapshot_t* snap) {
  opt->rep.snapshot = (snap ? snap->rep : nullptr);
}

void rocksdb_readoptions_set_iterate_upper_bound(rocksdb_readoptions_t* opt,
                                                 const char* key,
                                                 size_t keylen) {
  if (key == nullptr) {
    opt->upper_bound = Slice();
    opt->rep.iterate_upper_bound = nullptr;

  } else {
    opt->upper_bound = Slice(key, keylen);
    opt->rep.iterate_upper_bound = &opt->upper_bound;
  }
}

void rocksdb_readoptions_set_iterate_lower_bound(rocksdb_readoptions_t* opt,
                                                 const char* key,
                                                 size_t keylen) {
  if (key == nullptr) {
    opt->lower_bound = Slice();
    opt->rep.iterate_lower_bound = nullptr;
  } else {
    opt->lower_bound = Slice(key, keylen);
    opt->rep.iterate_lower_bound = &opt->lower_bound;
  }
}

void rocksdb_readoptions_set_timestamp(rocksdb_readoptions_t* opt,
                                       const char* ts, size_t tslen) {
  if (ts == nullptr) {
    opt->timestamp = Slice();
    opt->rep.timestamp = nullptr;
  } else {
    opt->timestamp = Slice(ts, tslen);
    opt->rep.timestamp = &opt->timestamp;
  }
}

void rocksdb_readoptions_set_iter_start_ts(rocksdb_readoptions_t* opt,
                                           const char* ts, size_t tslen) {
  if (ts == nullptr) {
    opt->iter_start_ts = Slice();
    opt->rep.iter_start_ts = nullptr;
  } else {
    opt->iter_start_ts = Slice(ts, tslen);
    opt->rep.iter_start_ts = &opt->iter_start_ts;
  }
}

void rocksdb_readoptions_set_merge_operand_count_threshold(
    rocksdb_readoptions_t* opt, size_t threshold) {
  opt->rep.merge_operand_count_threshold = threshold;
}

void rocksdb_readoptions_clear_merge_operand_count_threshold(
    rocksdb_readoptions_t* opt) {
  opt->rep.merge_operand_count_threshold.reset();
}

unsigned char rocksdb_readoptions_has_merge_operand_count_threshold(
    rocksdb_readoptions_t* opt) {
  return opt->rep.merge_operand_count_threshold.has_value();
}

size_t rocksdb_readoptions_get_merge_operand_count_threshold(
    rocksdb_readoptions_t* opt) {
  return opt->rep.merge_operand_count_threshold.value_or(0);
}

void rocksdb_readoptions_set_request_id(rocksdb_readoptions_t* opt,
                                        const char* request_id,
                                        size_t request_id_len) {
  if (request_id == nullptr) {
    opt->request_id.reset();
    opt->rep.request_id = nullptr;
    return;
  }
  if (!opt->request_id) {
    opt->request_id = std::make_unique<std::string>();
  }
  opt->request_id->assign(request_id, request_id_len);
  opt->rep.request_id = opt->request_id.get();
}

void rocksdb_readoptions_clear_request_id(rocksdb_readoptions_t* opt) {
  opt->request_id.reset();
  opt->rep.request_id = nullptr;
}

const char* rocksdb_readoptions_get_request_id(rocksdb_readoptions_t* opt,
                                               size_t* request_id_len) {
  if (opt->rep.request_id == nullptr) {
    if (request_id_len != nullptr) {
      *request_id_len = 0;
    }
    return nullptr;
  }
  if (request_id_len != nullptr) {
    *request_id_len = opt->rep.request_id->size();
  }
  return opt->rep.request_id->data();
}

void rocksdb_readoptions_set_table_filter(
    rocksdb_readoptions_t* opt, void* state, void (*destructor)(void*),
    rocksdb_readoptions_table_filter_cb table_filter) {
  opt->SetTableFilter(state, destructor, table_filter);
}

void rocksdb_readoptions_clear_table_filter(rocksdb_readoptions_t* opt) {
  opt->ClearTableFilter();
}

unsigned char rocksdb_readoptions_has_table_filter(
    const rocksdb_readoptions_t* opt) {
  return opt->table_filter_callback != nullptr;
}

void rocksdb_readoptions_set_table_index_factory_from_string(
    rocksdb_readoptions_t* opt, const char* value, size_t value_len,
    char** errptr) {
  opt->table_index_factory.reset();
  opt->rep.table_index_factory = nullptr;
  if (value == nullptr) {
    return;
  }

  std::shared_ptr<UserDefinedIndexFactory> factory;
  Status s = LoadUserDefinedIndexFactoryFromString(value, value_len, &factory);
  if (SaveError(errptr, s)) {
    return;
  }
  opt->table_index_factory = std::move(factory);
  opt->rep.table_index_factory = opt->table_index_factory.get();
}

void rocksdb_readoptions_clear_table_index_factory(rocksdb_readoptions_t* opt) {
  opt->table_index_factory.reset();
  opt->rep.table_index_factory = nullptr;
}

const char* rocksdb_readoptions_get_table_index_factory_name(
    const rocksdb_readoptions_t* opt, size_t* name_len) {
  if (opt->table_index_factory == nullptr) {
    if (name_len != nullptr) {
      *name_len = 0;
    }
    return nullptr;
  }
  const char* name = opt->table_index_factory->Name();
  if (name_len != nullptr) {
    *name_len = strlen(name);
  }
  return name;
}

rocksdb_writeoptions_t* rocksdb_writeoptions_create() {
  return new rocksdb_writeoptions_t;
}

void rocksdb_writeoptions_destroy(rocksdb_writeoptions_t* opt) { delete opt; }

rocksdb_compaction_options_t* rocksdb_compaction_options_create() {
  return new rocksdb_compaction_options_t;
}

void rocksdb_compaction_options_destroy(rocksdb_compaction_options_t* opt) {
  delete opt;
}

unsigned char* rocksdb_compaction_options_canceled_create() {
  return reinterpret_cast<unsigned char*>(new std::atomic<bool>(false));
}

void rocksdb_compaction_options_canceled_destroy(unsigned char* canceled) {
  if (canceled != nullptr) {
    delete reinterpret_cast<std::atomic<bool>*>(canceled);
  }
}

void rocksdb_compaction_options_canceled_set(unsigned char* canceled,
                                             unsigned char value) {
  if (canceled != nullptr) {
    reinterpret_cast<std::atomic<bool>*>(canceled)->store(value != 0);
  }
}

void rocksdb_compaction_options_set_canceled(
    rocksdb_compaction_options_t* options, unsigned char* canceled) {
  options->rep.canceled = canceled != nullptr
                              ? reinterpret_cast<std::atomic<bool>*>(canceled)
                              : nullptr;
}

rocksdb_compactoptions_t* rocksdb_compactoptions_create() {
  return new rocksdb_compactoptions_t;
}

void rocksdb_compactoptions_destroy(rocksdb_compactoptions_t* opt) {
  delete opt;
}

void rocksdb_compactoptions_set_bottommost_level_compaction(
    rocksdb_compactoptions_t* opt, unsigned char v) {
  opt->rep.bottommost_level_compaction =
      static_cast<BottommostLevelCompaction>(v);
}

unsigned char rocksdb_compactoptions_get_bottommost_level_compaction(
    rocksdb_compactoptions_t* opt) {
  return static_cast<unsigned char>(opt->rep.bottommost_level_compaction);
}

void rocksdb_compactoptions_set_exclusive_manual_compaction(
    rocksdb_compactoptions_t* opt, unsigned char v) {
  opt->rep.exclusive_manual_compaction = v;
}

unsigned char rocksdb_compactoptions_get_exclusive_manual_compaction(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.exclusive_manual_compaction;
}

void rocksdb_compactoptions_set_change_level(rocksdb_compactoptions_t* opt,
                                             unsigned char v) {
  opt->rep.change_level = v;
}

unsigned char rocksdb_compactoptions_get_change_level(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.change_level;
}

void rocksdb_compactoptions_set_target_level(rocksdb_compactoptions_t* opt,
                                             int n) {
  opt->rep.target_level = n;
}

int rocksdb_compactoptions_get_target_level(rocksdb_compactoptions_t* opt) {
  return opt->rep.target_level;
}

void rocksdb_compactoptions_set_target_path_id(rocksdb_compactoptions_t* opt,
                                               int n) {
  opt->rep.target_path_id = n;
}

int rocksdb_compactoptions_get_target_path_id(rocksdb_compactoptions_t* opt) {
  return opt->rep.target_path_id;
}

void rocksdb_compactoptions_set_allow_write_stall(rocksdb_compactoptions_t* opt,
                                                  unsigned char v) {
  opt->rep.allow_write_stall = v;
}

unsigned char rocksdb_compactoptions_get_allow_write_stall(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.allow_write_stall;
}

void rocksdb_compactoptions_set_max_subcompactions(
    rocksdb_compactoptions_t* opt, int n) {
  opt->rep.max_subcompactions = n;
}

int rocksdb_compactoptions_get_max_subcompactions(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.max_subcompactions;
}

void rocksdb_compactoptions_set_full_history_ts_low(
    rocksdb_compactoptions_t* opt, char* ts, size_t tslen) {
  if (ts == nullptr) {
    opt->full_history_ts_low = Slice();
    opt->rep.full_history_ts_low = nullptr;
  } else {
    opt->full_history_ts_low = Slice(ts, tslen);
    opt->rep.full_history_ts_low = &opt->full_history_ts_low;
  }
}

rocksdb_flushoptions_t* rocksdb_flushoptions_create() {
  return new rocksdb_flushoptions_t;
}

void rocksdb_flushoptions_destroy(rocksdb_flushoptions_t* opt) { delete opt; }

rocksdb_flushwaloptions_t* rocksdb_flushwaloptions_create() {
  return new rocksdb_flushwaloptions_t;
}

void rocksdb_flushwaloptions_destroy(rocksdb_flushwaloptions_t* opt) {
  delete opt;
}

void rocksdb_flush_wal_with_options(rocksdb_t* db,
                                    const rocksdb_flushwaloptions_t* options,
                                    char** errptr) {
  FlushWALOptions default_options;
  SaveError(errptr,
            db->rep->FlushWAL(GetFlushWALOptions(options, &default_options)));
}

rocksdb_memory_allocator_t* rocksdb_jemalloc_nodump_allocator_create(
    char** errptr) {
  rocksdb_memory_allocator_t* allocator = new rocksdb_memory_allocator_t;
  ROCKSDB_NAMESPACE::JemallocAllocatorOptions options;
  SaveError(errptr, ROCKSDB_NAMESPACE::NewJemallocNodumpAllocator(
                        options, &allocator->rep));
  return allocator;
}

void rocksdb_memory_allocator_destroy(rocksdb_memory_allocator_t* allocator) {
  delete allocator;
}

rocksdb_lru_cache_options_t* rocksdb_lru_cache_options_create() {
  return new rocksdb_lru_cache_options_t;
}

void rocksdb_lru_cache_options_destroy(rocksdb_lru_cache_options_t* opt) {
  delete opt;
}

void rocksdb_lru_cache_options_set_capacity(rocksdb_lru_cache_options_t* opt,
                                            size_t capacity) {
  opt->rep.capacity = capacity;
}

void rocksdb_lru_cache_options_set_num_shard_bits(
    rocksdb_lru_cache_options_t* opt, int num_shard_bits) {
  opt->rep.num_shard_bits = num_shard_bits;
}

void rocksdb_lru_cache_options_set_memory_allocator(
    rocksdb_lru_cache_options_t* opt, rocksdb_memory_allocator_t* allocator) {
  opt->rep.memory_allocator = allocator->rep;
}

rocksdb_cache_t* rocksdb_cache_create_lru(size_t capacity) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = NewLRUCache(capacity);
  return c;
}

rocksdb_cache_t* rocksdb_cache_create_lru_with_strict_capacity_limit(
    size_t capacity) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = NewLRUCache(capacity);
  c->rep->SetStrictCapacityLimit(true);
  return c;
}

rocksdb_cache_t* rocksdb_cache_create_lru_opts(
    const rocksdb_lru_cache_options_t* opt) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = NewLRUCache(opt->rep);
  return c;
}

rocksdb_hyper_clock_cache_options_t* rocksdb_hyper_clock_cache_options_create(
    size_t capacity, size_t estimated_entry_charge) {
  return new rocksdb_hyper_clock_cache_options_t{
      HyperClockCacheOptions(capacity, estimated_entry_charge)};
}

void rocksdb_hyper_clock_cache_options_destroy(
    rocksdb_hyper_clock_cache_options_t* opt) {
  delete opt;
}

void rocksdb_hyper_clock_cache_options_set_capacity(
    rocksdb_hyper_clock_cache_options_t* opts, size_t capacity) {
  opts->rep.capacity = capacity;
}

void rocksdb_hyper_clock_cache_options_set_estimated_entry_charge(
    rocksdb_hyper_clock_cache_options_t* opts, size_t estimated_entry_charge) {
  opts->rep.estimated_entry_charge = estimated_entry_charge;
}

void rocksdb_hyper_clock_cache_options_set_num_shard_bits(
    rocksdb_hyper_clock_cache_options_t* opts, int num_shard_bits) {
  opts->rep.num_shard_bits = num_shard_bits;
}

void rocksdb_hyper_clock_cache_options_set_memory_allocator(
    rocksdb_hyper_clock_cache_options_t* opts,
    rocksdb_memory_allocator_t* memory_allocator) {
  opts->rep.memory_allocator = memory_allocator->rep;
}

rocksdb_cache_t* rocksdb_cache_create_hyper_clock(
    size_t capacity, size_t estimated_entry_charge) {
  HyperClockCacheOptions opts(capacity, estimated_entry_charge);
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = opts.MakeSharedCache();
  return c;
}

rocksdb_cache_t* rocksdb_cache_create_hyper_clock_opts(
    const rocksdb_hyper_clock_cache_options_t* opts) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = opts->rep.MakeSharedCache();
  return c;
}

void rocksdb_cache_destroy(rocksdb_cache_t* cache) { delete cache; }

void rocksdb_cache_disown_data(rocksdb_cache_t* cache) {
  cache->rep->DisownData();
}

void rocksdb_cache_set_capacity(rocksdb_cache_t* cache, size_t capacity) {
  cache->rep->SetCapacity(capacity);
}

size_t rocksdb_cache_get_capacity(const rocksdb_cache_t* cache) {
  return cache->rep->GetCapacity();
}

size_t rocksdb_cache_get_usage(const rocksdb_cache_t* cache) {
  return cache->rep->GetUsage();
}

size_t rocksdb_cache_get_pinned_usage(const rocksdb_cache_t* cache) {
  return cache->rep->GetPinnedUsage();
}

size_t rocksdb_cache_get_table_address_count(const rocksdb_cache_t* cache) {
  return cache->rep->GetTableAddressCount();
}

size_t rocksdb_cache_get_occupancy_count(const rocksdb_cache_t* cache) {
  return cache->rep->GetOccupancyCount();
}

rocksdb_write_buffer_manager_t* rocksdb_write_buffer_manager_create(
    size_t buffer_size, bool allow_stall) {
  rocksdb_write_buffer_manager_t* wbm = new rocksdb_write_buffer_manager_t;
  wbm->rep = std::make_shared<WriteBufferManager>(
      buffer_size, std::shared_ptr<Cache>{}, allow_stall);
  return wbm;
}

rocksdb_write_buffer_manager_t* rocksdb_write_buffer_manager_create_with_cache(
    size_t buffer_size, const rocksdb_cache_t* cache, bool allow_stall) {
  rocksdb_write_buffer_manager_t* wbm = new rocksdb_write_buffer_manager_t;
  wbm->rep = std::make_shared<WriteBufferManager>(buffer_size, cache->rep,
                                                  allow_stall);
  return wbm;
}

void rocksdb_write_buffer_manager_destroy(rocksdb_write_buffer_manager_t* wbm) {
  delete wbm;
}

bool rocksdb_write_buffer_manager_enabled(rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->enabled();
}

bool rocksdb_write_buffer_manager_cost_to_cache(
    rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->cost_to_cache();
}

size_t rocksdb_write_buffer_manager_memory_usage(
    rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->memory_usage();
}

size_t rocksdb_write_buffer_manager_mutable_memtable_memory_usage(
    rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->mutable_memtable_memory_usage();
}

size_t rocksdb_write_buffer_manager_dummy_entries_in_cache_usage(
    rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->dummy_entries_in_cache_usage();
}
size_t rocksdb_write_buffer_manager_buffer_size(
    rocksdb_write_buffer_manager_t* wbm) {
  return wbm->rep->buffer_size();
}
void rocksdb_write_buffer_manager_set_buffer_size(
    rocksdb_write_buffer_manager_t* wbm, size_t new_size) {
  wbm->rep->SetBufferSize(new_size);
}
ROCKSDB_LIBRARY_API void rocksdb_write_buffer_manager_set_allow_stall(
    rocksdb_write_buffer_manager_t* wbm, bool new_allow_stall) {
  wbm->rep->SetAllowStall(new_allow_stall);
}

rocksdb_sst_file_manager_t* rocksdb_sst_file_manager_create(
    rocksdb_env_t* env) {
  rocksdb_sst_file_manager_t* sfm = new rocksdb_sst_file_manager_t;
  sfm->rep.reset(ROCKSDB_NAMESPACE::NewSstFileManager(env->rep));
  return sfm;
}

void rocksdb_sst_file_manager_destroy(rocksdb_sst_file_manager_t* sfm) {
  delete sfm;
}

void rocksdb_sst_file_manager_set_max_allowed_space_usage(
    rocksdb_sst_file_manager_t* sfm, uint64_t max_allowed_space) {
  sfm->rep->SetMaxAllowedSpaceUsage(max_allowed_space);
}

void rocksdb_sst_file_manager_set_compaction_buffer_size(
    rocksdb_sst_file_manager_t* sfm, uint64_t compaction_buffer_size) {
  sfm->rep->SetCompactionBufferSize(compaction_buffer_size);
}

bool rocksdb_sst_file_manager_is_max_allowed_space_reached(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->IsMaxAllowedSpaceReached();
}

bool rocksdb_sst_file_manager_is_max_allowed_space_reached_including_compactions(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->IsMaxAllowedSpaceReachedIncludingCompactions();
}

uint64_t rocksdb_sst_file_manager_get_total_size(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->GetTotalSize();
}

int64_t rocksdb_sst_file_manager_get_delete_rate_bytes_per_second(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->GetDeleteRateBytesPerSecond();
}

void rocksdb_sst_file_manager_set_delete_rate_bytes_per_second(
    rocksdb_sst_file_manager_t* sfm, int64_t delete_rate) {
  return sfm->rep->SetDeleteRateBytesPerSecond(delete_rate);
}

double rocksdb_sst_file_manager_get_max_trash_db_ratio(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->GetMaxTrashDBRatio();
}

void rocksdb_sst_file_manager_set_max_trash_db_ratio(
    rocksdb_sst_file_manager_t* sfm, double ratio) {
  return sfm->rep->SetMaxTrashDBRatio(ratio);
}

uint64_t rocksdb_sst_file_manager_get_total_trash_size(
    rocksdb_sst_file_manager_t* sfm) {
  return sfm->rep->GetTotalTrashSize();
}

rocksdb_dbpath_t* rocksdb_dbpath_create(const char* path,
                                        uint64_t target_size) {
  rocksdb_dbpath_t* result = new rocksdb_dbpath_t;
  result->rep.path = std::string(path);
  result->rep.target_size = target_size;
  return result;
}

void rocksdb_dbpath_destroy(rocksdb_dbpath_t* dbpath) { delete dbpath; }

rocksdb_env_t* rocksdb_create_default_env() {
  rocksdb_env_t* result = new rocksdb_env_t;
  result->rep = Env::Default();
  result->is_default = true;
  return result;
}

rocksdb_env_t* rocksdb_create_mem_env() {
  rocksdb_env_t* result = new rocksdb_env_t;
  result->rep = ROCKSDB_NAMESPACE::NewMemEnv(Env::Default());
  result->is_default = false;
  return result;
}

void rocksdb_env_set_background_threads(rocksdb_env_t* env, int n) {
  env->rep->SetBackgroundThreads(n);
}

int rocksdb_env_get_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads();
}

void rocksdb_env_set_bottom_priority_background_threads(rocksdb_env_t* env,
                                                        int n) {
  env->rep->SetBackgroundThreads(n, Env::BOTTOM);
}

int rocksdb_env_get_bottom_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::BOTTOM);
}

void rocksdb_env_set_high_priority_background_threads(rocksdb_env_t* env,
                                                      int n) {
  env->rep->SetBackgroundThreads(n, Env::HIGH);
}

int rocksdb_env_get_high_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::HIGH);
}

void rocksdb_env_set_low_priority_background_threads(rocksdb_env_t* env,
                                                     int n) {
  env->rep->SetBackgroundThreads(n, Env::LOW);
}

int rocksdb_env_get_low_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::LOW);
}

void rocksdb_env_join_all_threads(rocksdb_env_t* env) {
  env->rep->WaitForJoin();
}

void rocksdb_env_lower_thread_pool_io_priority(rocksdb_env_t* env) {
  env->rep->LowerThreadPoolIOPriority();
}

void rocksdb_env_lower_high_priority_thread_pool_io_priority(
    rocksdb_env_t* env) {
  env->rep->LowerThreadPoolIOPriority(Env::HIGH);
}

void rocksdb_env_lower_thread_pool_cpu_priority(rocksdb_env_t* env) {
  env->rep->LowerThreadPoolCPUPriority();
}

void rocksdb_env_lower_high_priority_thread_pool_cpu_priority(
    rocksdb_env_t* env) {
  env->rep->LowerThreadPoolCPUPriority(Env::HIGH);
}

void rocksdb_env_destroy(rocksdb_env_t* env) {
  if (!env->is_default) {
    delete env->rep;
  }
  delete env;
}

rocksdb_envoptions_t* rocksdb_envoptions_create() {
  rocksdb_envoptions_t* opt = new rocksdb_envoptions_t;
  return opt;
}

void rocksdb_envoptions_destroy(rocksdb_envoptions_t* opt) { delete opt; }

void rocksdb_envoptions_set_rate_limiter(rocksdb_envoptions_t* opt,
                                         rocksdb_ratelimiter_t* rate_limiter) {
  opt->rate_limiter = rate_limiter != nullptr ? rate_limiter->rep : nullptr;
  opt->rep.rate_limiter = opt->rate_limiter.get();
}

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4190)  // C-linkage function returning C++ type
#endif
static Status CreateFileTraceWriter(
    rocksdb_t* db, rocksdb_env_t* env, const rocksdb_envoptions_t* env_options,
    const char* trace_path,
    std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriter>* trace_writer,
    Env** trace_env_out) {
  Env* trace_env = env != nullptr ? env->rep : db->rep->GetEnv();
  EnvOptions default_env_options;
  const EnvOptions& resolved_env_options =
      env_options != nullptr ? env_options->rep : default_env_options;
  *trace_env_out = trace_env;
  return NewFileTraceWriter(trace_env, resolved_env_options,
                            std::string(trace_path), trace_writer);
}

static Status CreateFileTraceReader(
    rocksdb_t* db, rocksdb_env_t* env, const rocksdb_envoptions_t* env_options,
    const char* trace_path, std::unique_ptr<TraceReader>* trace_reader) {
  Env* trace_env = env != nullptr ? env->rep : db->rep->GetEnv();
  EnvOptions default_env_options;
  const EnvOptions& resolved_env_options =
      env_options != nullptr ? env_options->rep : default_env_options;
  return NewFileTraceReader(trace_env, resolved_env_options,
                            std::string(trace_path), trace_reader);
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif

rocksdb_trace_options_t* rocksdb_trace_options_create() {
  return new rocksdb_trace_options_t;
}

void rocksdb_trace_options_destroy(rocksdb_trace_options_t* options) {
  delete options;
}

rocksdb_trace_reader_t* rocksdb_trace_reader_create(
    rocksdb_env_t* env, const rocksdb_envoptions_t* env_options,
    const char* trace_path, char** errptr) {
  if (env == nullptr) {
    SaveError(errptr, Status::InvalidArgument("env must not be null"));
    return nullptr;
  }
  auto* result = new rocksdb_trace_reader_t;
  EnvOptions default_env_options;
  const EnvOptions& resolved_env_options =
      env_options != nullptr ? env_options->rep : default_env_options;
  if (SaveError(errptr,
                NewFileTraceReader(env->rep, resolved_env_options,
                                   std::string(trace_path), &result->rep))) {
    delete result;
    return nullptr;
  }
  return result;
}

char* rocksdb_trace_reader_read(rocksdb_trace_reader_t* reader, size_t* size,
                                char** errptr) {
  std::string data;
  Status s = reader->rep->Read(&data);
  if (s.IsIncomplete()) {
    *size = 0;
    return nullptr;
  }
  if (SaveError(errptr, s)) {
    *size = 0;
    return nullptr;
  }
  *size = data.size();
  return CopyString(Slice(data));
}

void rocksdb_trace_reader_reset(rocksdb_trace_reader_t* reader, char** errptr) {
  SaveError(errptr, reader->rep->Reset());
}

void rocksdb_trace_reader_close(rocksdb_trace_reader_t* reader, char** errptr) {
  SaveError(errptr, reader->rep->Close());
}

void rocksdb_trace_reader_destroy(rocksdb_trace_reader_t* reader) {
  delete reader;
}

rocksdb_replay_options_t* rocksdb_replay_options_create() {
  return new rocksdb_replay_options_t;
}

void rocksdb_replay_options_destroy(rocksdb_replay_options_t* options) {
  delete options;
}

void rocksdb_replay_options_set_num_threads(rocksdb_replay_options_t* options,
                                            uint32_t num_threads) {
  options->rep.num_threads = num_threads;
}

uint32_t rocksdb_replay_options_get_num_threads(
    rocksdb_replay_options_t* options) {
  return options->rep.num_threads;
}

void rocksdb_replay_options_set_fast_forward(rocksdb_replay_options_t* options,
                                             double fast_forward) {
  options->rep.fast_forward = fast_forward;
}

double rocksdb_replay_options_get_fast_forward(
    rocksdb_replay_options_t* options) {
  return options->rep.fast_forward;
}

rocksdb_replayer_t* rocksdb_new_default_replayer(
    rocksdb_t* db, rocksdb_column_family_handle_t** column_families,
    size_t num_column_families, rocksdb_env_t* env,
    const rocksdb_envoptions_t* env_options, const char* trace_path,
    char** errptr) {
  if (column_families == nullptr && num_column_families > 0) {
    SaveError(errptr, Status::InvalidArgument(
                          "column_families must not be null when count > 0"));
    return nullptr;
  }

  auto* result = new rocksdb_replayer_t;
  std::vector<ColumnFamilyHandle*> handles;
  if (num_column_families == 0) {
    handles.push_back(db->rep->DefaultColumnFamily());
  } else {
    handles.reserve(num_column_families);
    for (size_t i = 0; i < num_column_families; ++i) {
      handles.push_back(column_families[i]->rep);
    }
  }

  std::unique_ptr<TraceReader> trace_reader;
  if (SaveError(errptr, CreateFileTraceReader(db, env, env_options, trace_path,
                                              &trace_reader))) {
    delete result;
    return nullptr;
  }
  if (SaveError(errptr, db->rep->NewDefaultReplayer(
                            handles, std::move(trace_reader), &result->rep))) {
    delete result;
    return nullptr;
  }
  return result;
}

void rocksdb_replayer_prepare(rocksdb_replayer_t* replayer, char** errptr) {
  SaveError(errptr, replayer->rep->Prepare());
}

uint64_t rocksdb_replayer_get_header_timestamp(
    const rocksdb_replayer_t* replayer) {
  return replayer->rep->GetHeaderTimestamp();
}

void rocksdb_replayer_replay(rocksdb_replayer_t* replayer,
                             const rocksdb_replay_options_t* options,
                             char** errptr) {
  ReplayOptions default_options;
  const ReplayOptions& replay_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr, replayer->rep->Replay(replay_options, nullptr));
}

void rocksdb_replayer_destroy(rocksdb_replayer_t* replayer) { delete replayer; }

rocksdb_block_cache_trace_options_t*
rocksdb_block_cache_trace_options_create() {
  return new rocksdb_block_cache_trace_options_t;
}

void rocksdb_block_cache_trace_options_destroy(
    rocksdb_block_cache_trace_options_t* options) {
  delete options;
}

rocksdb_block_cache_trace_writer_options_t*
rocksdb_block_cache_trace_writer_options_create() {
  return new rocksdb_block_cache_trace_writer_options_t;
}

void rocksdb_block_cache_trace_writer_options_destroy(
    rocksdb_block_cache_trace_writer_options_t* options) {
  delete options;
}

void rocksdb_start_trace(rocksdb_t* db, rocksdb_env_t* env,
                         const rocksdb_envoptions_t* env_options,
                         const rocksdb_trace_options_t* options,
                         const char* trace_path, char** errptr) {
  std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriter> trace_writer;
  Env* trace_env = nullptr;
  Status s = CreateFileTraceWriter(db, env, env_options, trace_path,
                                   &trace_writer, &trace_env);
  if (SaveError(errptr, s)) {
    return;
  }
  (void)trace_env;

  TraceOptions default_options;
  const TraceOptions& trace_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr,
            db->rep->StartTrace(trace_options, std::move(trace_writer)));
}

void rocksdb_end_trace(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->EndTrace());
}

void rocksdb_start_io_trace(rocksdb_t* db, rocksdb_env_t* env,
                            const rocksdb_envoptions_t* env_options,
                            const rocksdb_trace_options_t* options,
                            const char* trace_path, char** errptr) {
  std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriter> trace_writer;
  Env* trace_env = nullptr;
  Status s = CreateFileTraceWriter(db, env, env_options, trace_path,
                                   &trace_writer, &trace_env);
  if (SaveError(errptr, s)) {
    return;
  }
  (void)trace_env;

  TraceOptions default_options;
  const TraceOptions& trace_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr,
            db->rep->StartIOTrace(trace_options, std::move(trace_writer)));
}

void rocksdb_end_io_trace(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->EndIOTrace());
}

void rocksdb_start_block_cache_trace(rocksdb_t* db, rocksdb_env_t* env,
                                     const rocksdb_envoptions_t* env_options,
                                     const rocksdb_trace_options_t* options,
                                     const char* trace_path, char** errptr) {
  std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriter> trace_writer;
  Env* trace_env = nullptr;
  Status s = CreateFileTraceWriter(db, env, env_options, trace_path,
                                   &trace_writer, &trace_env);
  if (SaveError(errptr, s)) {
    return;
  }
  (void)trace_env;

  TraceOptions default_options;
  const TraceOptions& trace_options =
      options != nullptr ? options->rep : default_options;
  SaveError(errptr, db->rep->StartBlockCacheTrace(trace_options,
                                                  std::move(trace_writer)));
}

void rocksdb_start_block_cache_trace_with_options(
    rocksdb_t* db, rocksdb_env_t* env, const rocksdb_envoptions_t* env_options,
    const rocksdb_block_cache_trace_options_t* options,
    const rocksdb_block_cache_trace_writer_options_t* writer_options,
    const char* trace_path, char** errptr) {
  std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriter> trace_writer;
  Env* trace_env = nullptr;
  Status s = CreateFileTraceWriter(db, env, env_options, trace_path,
                                   &trace_writer, &trace_env);
  if (SaveError(errptr, s)) {
    return;
  }

  BlockCacheTraceOptions default_options;
  const BlockCacheTraceOptions& block_cache_trace_options =
      options != nullptr ? options->rep : default_options;
  BlockCacheTraceWriterOptions default_writer_options;
  const BlockCacheTraceWriterOptions& block_cache_trace_writer_options =
      writer_options != nullptr ? writer_options->rep : default_writer_options;
  auto block_trace_writer = NewBlockCacheTraceWriter(
      trace_env->GetSystemClock().get(), block_cache_trace_writer_options,
      std::move(trace_writer));
  SaveError(errptr,
            db->rep->StartBlockCacheTrace(block_cache_trace_options,
                                          std::move(block_trace_writer)));
}

void rocksdb_end_block_cache_trace(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->EndBlockCacheTrace());
}

rocksdb_sstfilewriter_t* rocksdb_sstfilewriter_create(
    const rocksdb_envoptions_t* env, const rocksdb_options_t* io_options) {
  rocksdb_sstfilewriter_t* writer = new rocksdb_sstfilewriter_t;
  writer->rep = new SstFileWriter(env->rep, io_options->rep);
  return writer;
}

void rocksdb_create_dir_if_missing(rocksdb_env_t* env, const char* path,
                                   char** errptr) {
  SaveError(errptr, env->rep->CreateDirIfMissing(std::string(path)));
}

rocksdb_sstfilewriter_t* rocksdb_sstfilewriter_create_with_comparator(
    const rocksdb_envoptions_t* env, const rocksdb_options_t* io_options,
    const rocksdb_comparator_t* /*comparator*/) {
  rocksdb_sstfilewriter_t* writer = new rocksdb_sstfilewriter_t;
  writer->rep = new SstFileWriter(env->rep, io_options->rep);
  return writer;
}

void rocksdb_sstfilewriter_open(rocksdb_sstfilewriter_t* writer,
                                const char* name, char** errptr) {
  SaveError(errptr, writer->rep->Open(std::string(name)));
}

void rocksdb_sstfilewriter_add(rocksdb_sstfilewriter_t* writer, const char* key,
                               size_t keylen, const char* val, size_t vallen,
                               char** errptr) {
  SaveError(errptr, writer->rep->Put(Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_sstfilewriter_put(rocksdb_sstfilewriter_t* writer, const char* key,
                               size_t keylen, const char* val, size_t vallen,
                               char** errptr) {
  SaveError(errptr, writer->rep->Put(Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_sstfilewriter_put_with_ts(rocksdb_sstfilewriter_t* writer,
                                       const char* key, size_t keylen,
                                       const char* ts, size_t tslen,
                                       const char* val, size_t vallen,
                                       char** errptr) {
  SaveError(errptr, writer->rep->Put(Slice(key, keylen), Slice(ts, tslen),
                                     Slice(val, vallen)));
}

void rocksdb_sstfilewriter_merge(rocksdb_sstfilewriter_t* writer,
                                 const char* key, size_t keylen,
                                 const char* val, size_t vallen,
                                 char** errptr) {
  SaveError(errptr, writer->rep->Merge(Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_sstfilewriter_delete(rocksdb_sstfilewriter_t* writer,
                                  const char* key, size_t keylen,
                                  char** errptr) {
  SaveError(errptr, writer->rep->Delete(Slice(key, keylen)));
}

void rocksdb_sstfilewriter_delete_with_ts(rocksdb_sstfilewriter_t* writer,
                                          const char* key, size_t keylen,
                                          const char* ts, size_t tslen,
                                          char** errptr) {
  SaveError(errptr, writer->rep->Delete(Slice(key, keylen), Slice(ts, tslen)));
}

void rocksdb_sstfilewriter_delete_range(rocksdb_sstfilewriter_t* writer,
                                        const char* begin_key,
                                        size_t begin_keylen,
                                        const char* end_key, size_t end_keylen,
                                        char** errptr) {
  SaveError(errptr, writer->rep->DeleteRange(Slice(begin_key, begin_keylen),
                                             Slice(end_key, end_keylen)));
}

void rocksdb_sstfilewriter_finish(rocksdb_sstfilewriter_t* writer,
                                  char** errptr) {
  SaveError(errptr, writer->rep->Finish(nullptr));
}

void rocksdb_sstfilewriter_file_size(rocksdb_sstfilewriter_t* writer,
                                     uint64_t* file_size) {
  *file_size = writer->rep->FileSize();
}

void rocksdb_sstfilewriter_destroy(rocksdb_sstfilewriter_t* writer) {
  delete writer->rep;
  delete writer;
}

rocksdb_ingestexternalfileoptions_t*
rocksdb_ingestexternalfileoptions_create() {
  rocksdb_ingestexternalfileoptions_t* opt =
      new rocksdb_ingestexternalfileoptions_t;
  return opt;
}

void rocksdb_ingestexternalfileoptions_set_move_files(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char move_files) {
  opt->rep.move_files = move_files;
}

void rocksdb_ingestexternalfileoptions_set_snapshot_consistency(
    rocksdb_ingestexternalfileoptions_t* opt,
    unsigned char snapshot_consistency) {
  opt->rep.snapshot_consistency = snapshot_consistency;
}

void rocksdb_ingestexternalfileoptions_set_allow_global_seqno(
    rocksdb_ingestexternalfileoptions_t* opt,
    unsigned char allow_global_seqno) {
  opt->rep.allow_global_seqno = allow_global_seqno;
}

void rocksdb_ingestexternalfileoptions_set_allow_blocking_flush(
    rocksdb_ingestexternalfileoptions_t* opt,
    unsigned char allow_blocking_flush) {
  opt->rep.allow_blocking_flush = allow_blocking_flush;
}

void rocksdb_ingestexternalfileoptions_set_ingest_behind(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char ingest_behind) {
  opt->rep.ingest_behind = ingest_behind;
}

void rocksdb_ingestexternalfileoptions_set_fail_if_not_bottommost_level(
    rocksdb_ingestexternalfileoptions_t* opt,
    unsigned char fail_if_not_bottommost_level) {
  opt->rep.fail_if_not_bottommost_level = fail_if_not_bottommost_level;
}

void rocksdb_ingestexternalfileoptions_destroy(
    rocksdb_ingestexternalfileoptions_t* opt) {
  delete opt;
}

void rocksdb_ingest_external_file(
    rocksdb_t* db, const char* const* file_list, const size_t list_len,
    const rocksdb_ingestexternalfileoptions_t* opt, char** errptr) {
  std::vector<std::string> files(list_len);
  for (size_t i = 0; i < list_len; ++i) {
    files[i] = std::string(file_list[i]);
  }
  SaveError(errptr, db->rep->IngestExternalFile(files, opt->rep));
}

void rocksdb_ingest_external_file_cf(
    rocksdb_t* db, rocksdb_column_family_handle_t* handle,
    const char* const* file_list, const size_t list_len,
    const rocksdb_ingestexternalfileoptions_t* opt, char** errptr) {
  std::vector<std::string> files(list_len);
  for (size_t i = 0; i < list_len; ++i) {
    files[i] = std::string(file_list[i]);
  }
  SaveError(errptr, db->rep->IngestExternalFile(handle->rep, files, opt->rep));
}

void rocksdb_try_catch_up_with_primary(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->TryCatchUpWithPrimary());
}

rocksdb_slicetransform_t* rocksdb_slicetransform_create(
    void* state, void (*destructor)(void*),
    char* (*transform)(void*, const char* key, size_t length,
                       size_t* dst_length),
    unsigned char (*in_domain)(void*, const char* key, size_t length),
    const char* (*name)(void*)) {
  rocksdb_slicetransform_t* result = new rocksdb_slicetransform_t;
  result->state_ = state;
  result->destructor_ = destructor;
  result->transform_ = transform;
  result->in_domain_ = in_domain;
  result->name_ = name;
  return result;
}

void rocksdb_slicetransform_destroy(rocksdb_slicetransform_t* st) { delete st; }

struct SliceTransformWrapper : public rocksdb_slicetransform_t {
  const SliceTransform* rep_ = nullptr;
  SliceTransformWrapper() = default;
  ~SliceTransformWrapper() override { delete rep_; }
  // Owns rep_ (deleted in the destructor); not copyable or movable.
  SliceTransformWrapper(const SliceTransformWrapper&) = delete;
  SliceTransformWrapper& operator=(const SliceTransformWrapper&) = delete;
  SliceTransformWrapper(SliceTransformWrapper&&) = delete;
  SliceTransformWrapper& operator=(SliceTransformWrapper&&) = delete;
  const char* Name() const override { return rep_->Name(); }
  std::string GetId() const override { return rep_->GetId(); }
  Slice Transform(const Slice& src) const override {
    return rep_->Transform(src);
  }
  bool InDomain(const Slice& src) const override { return rep_->InDomain(src); }
  static void DoNothing(void*) {}
};

rocksdb_slicetransform_t* rocksdb_slicetransform_create_fixed_prefix(
    size_t prefixLen) {
  SliceTransformWrapper* wrapper = new SliceTransformWrapper;
  wrapper->rep_ = ROCKSDB_NAMESPACE::NewFixedPrefixTransform(prefixLen);
  wrapper->state_ = nullptr;
  wrapper->destructor_ = &SliceTransformWrapper::DoNothing;
  return wrapper;
}

rocksdb_slicetransform_t* rocksdb_slicetransform_create_noop() {
  SliceTransformWrapper* wrapper = new SliceTransformWrapper;
  wrapper->rep_ = ROCKSDB_NAMESPACE::NewNoopTransform();
  wrapper->state_ = nullptr;
  wrapper->destructor_ = &SliceTransformWrapper::DoNothing;
  return wrapper;
}

rocksdb_universal_compaction_options_t*
rocksdb_universal_compaction_options_create() {
  rocksdb_universal_compaction_options_t* result =
      new rocksdb_universal_compaction_options_t;
  result->rep = new ROCKSDB_NAMESPACE::CompactionOptionsUniversal;
  return result;
}

void rocksdb_universal_compaction_options_set_size_ratio(
    rocksdb_universal_compaction_options_t* uco, int ratio) {
  uco->rep->size_ratio = ratio;
}

int rocksdb_universal_compaction_options_get_size_ratio(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->size_ratio;
}

void rocksdb_universal_compaction_options_set_min_merge_width(
    rocksdb_universal_compaction_options_t* uco, int w) {
  uco->rep->min_merge_width = w;
}

int rocksdb_universal_compaction_options_get_min_merge_width(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->min_merge_width;
}

void rocksdb_universal_compaction_options_set_max_merge_width(
    rocksdb_universal_compaction_options_t* uco, int w) {
  uco->rep->max_merge_width = w;
}

int rocksdb_universal_compaction_options_get_max_merge_width(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->max_merge_width;
}

void rocksdb_universal_compaction_options_set_max_size_amplification_percent(
    rocksdb_universal_compaction_options_t* uco, int p) {
  uco->rep->max_size_amplification_percent = p;
}

int rocksdb_universal_compaction_options_get_max_size_amplification_percent(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->max_size_amplification_percent;
}

void rocksdb_universal_compaction_options_set_compression_size_percent(
    rocksdb_universal_compaction_options_t* uco, int p) {
  uco->rep->compression_size_percent = p;
}

int rocksdb_universal_compaction_options_get_compression_size_percent(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->compression_size_percent;
}

void rocksdb_universal_compaction_options_set_stop_style(
    rocksdb_universal_compaction_options_t* uco, int style) {
  uco->rep->stop_style =
      static_cast<ROCKSDB_NAMESPACE::CompactionStopStyle>(style);
}

int rocksdb_universal_compaction_options_get_stop_style(
    rocksdb_universal_compaction_options_t* uco) {
  return static_cast<int>(uco->rep->stop_style);
}

void rocksdb_universal_compaction_options_destroy(
    rocksdb_universal_compaction_options_t* uco) {
  delete uco->rep;
  delete uco;
}

rocksdb_fifo_compaction_options_t* rocksdb_fifo_compaction_options_create() {
  rocksdb_fifo_compaction_options_t* result =
      new rocksdb_fifo_compaction_options_t;
  result->rep = CompactionOptionsFIFO();
  return result;
}

void rocksdb_fifo_compaction_options_set_allow_compaction(
    rocksdb_fifo_compaction_options_t* fifo_opts,
    unsigned char allow_compaction) {
  fifo_opts->rep.allow_compaction = allow_compaction;
}

unsigned char rocksdb_fifo_compaction_options_get_allow_compaction(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  return fifo_opts->rep.allow_compaction;
}

void rocksdb_fifo_compaction_options_set_max_table_files_size(
    rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size) {
  fifo_opts->rep.max_table_files_size = size;
}

uint64_t rocksdb_fifo_compaction_options_get_max_table_files_size(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  return fifo_opts->rep.max_table_files_size;
}

void rocksdb_fifo_compaction_options_set_max_data_files_size(
    rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size) {
  fifo_opts->rep.max_data_files_size = size;
}

uint64_t rocksdb_fifo_compaction_options_get_max_data_files_size(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  return fifo_opts->rep.max_data_files_size;
}

void rocksdb_fifo_compaction_options_set_use_kv_ratio_compaction(
    rocksdb_fifo_compaction_options_t* fifo_opts,
    unsigned char use_kv_ratio_compaction) {
  fifo_opts->rep.use_kv_ratio_compaction = use_kv_ratio_compaction;
}

unsigned char rocksdb_fifo_compaction_options_get_use_kv_ratio_compaction(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  return fifo_opts->rep.use_kv_ratio_compaction;
}

void rocksdb_fifo_compaction_options_destroy(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  delete fifo_opts;
}

void rocksdb_options_set_min_level_to_compress(rocksdb_options_t* opt,
                                               int level) {
  if (level >= 0) {
    assert(level <= opt->rep.num_levels);
    opt->rep.compression_per_level.resize(opt->rep.num_levels);
    for (int i = 0; i < level; i++) {
      opt->rep.compression_per_level[i] = ROCKSDB_NAMESPACE::kNoCompression;
    }
    for (int i = level; i < opt->rep.num_levels; i++) {
      opt->rep.compression_per_level[i] = opt->rep.compression;
    }
  }
}

rocksdb_livefiles_t* rocksdb_livefiles_create() {
  return new rocksdb_livefiles_t;
}

int rocksdb_livefiles_count(const rocksdb_livefiles_t* lf) {
  return static_cast<int>(lf->rep.size());
}

const char* rocksdb_livefiles_column_family_name(const rocksdb_livefiles_t* lf,
                                                 int index) {
  return lf->rep[index].column_family_name.c_str();
}

const char* rocksdb_livefiles_name(const rocksdb_livefiles_t* lf, int index) {
  return lf->rep[index].name.c_str();
}

const char* rocksdb_livefiles_directory(const rocksdb_livefiles_t* lf,
                                        int index) {
  if (lf->rep[index].directory.empty()) {
    // db_path is deprecated but still returned by some code paths
    return lf->rep[index].db_path.c_str();
  } else {
    return lf->rep[index].directory.c_str();
  }
}

int rocksdb_livefiles_level(const rocksdb_livefiles_t* lf, int index) {
  return lf->rep[index].level;
}

size_t rocksdb_livefiles_size(const rocksdb_livefiles_t* lf, int index) {
  return lf->rep[index].size;
}

const char* rocksdb_livefiles_smallestkey(const rocksdb_livefiles_t* lf,
                                          int index, size_t* size) {
  *size = lf->rep[index].smallestkey.size();
  return lf->rep[index].smallestkey.data();
}

const char* rocksdb_livefiles_largestkey(const rocksdb_livefiles_t* lf,
                                         int index, size_t* size) {
  *size = lf->rep[index].largestkey.size();
  return lf->rep[index].largestkey.data();
}

uint64_t rocksdb_livefiles_smallest_seqno(const rocksdb_livefiles_t* lf,
                                          int index) {
  return lf->rep[index].smallest_seqno;
}

uint64_t rocksdb_livefiles_largest_seqno(const rocksdb_livefiles_t* lf,
                                         int index) {
  return lf->rep[index].largest_seqno;
}

uint64_t rocksdb_livefiles_entries(const rocksdb_livefiles_t* lf, int index) {
  return lf->rep[index].num_entries;
}

uint64_t rocksdb_livefiles_deletions(const rocksdb_livefiles_t* lf, int index) {
  return lf->rep[index].num_deletions;
}

void rocksdb_livefiles_destroy(const rocksdb_livefiles_t* lf) { delete lf; }

rocksdb_livefiles_storage_info_options_t*
rocksdb_livefiles_storage_info_options_create() {
  return new rocksdb_livefiles_storage_info_options_t;
}

void rocksdb_livefiles_storage_info_options_destroy(
    rocksdb_livefiles_storage_info_options_t* options) {
  delete options;
}

rocksdb_livefiles_storage_info_t* rocksdb_get_livefiles_storage_info(
    rocksdb_t* db, const rocksdb_livefiles_storage_info_options_t* options,
    char** errptr) {
  auto* result = new rocksdb_livefiles_storage_info_t;
  LiveFilesStorageInfoOptions default_options;
  const LiveFilesStorageInfoOptions& storage_options =
      options != nullptr ? options->rep : default_options;
  if (SaveError(errptr, db->rep->GetLiveFilesStorageInfo(storage_options,
                                                         &result->rep))) {
    delete result;
    return nullptr;
  }
  return result;
}

size_t rocksdb_livefiles_storage_info_count(
    const rocksdb_livefiles_storage_info_t* info) {
  return info->rep.size();
}

const char* rocksdb_livefiles_storage_info_relative_filename(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].relative_filename.c_str();
}

const char* rocksdb_livefiles_storage_info_directory(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].directory.c_str();
}

uint64_t rocksdb_livefiles_storage_info_file_number(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].file_number;
}

int rocksdb_livefiles_storage_info_file_type(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return static_cast<int>(info->rep[index].file_type);
}

uint64_t rocksdb_livefiles_storage_info_size(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].size;
}

int rocksdb_livefiles_storage_info_temperature(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return static_cast<int>(info->rep[index].temperature);
}

const char* rocksdb_livefiles_storage_info_file_checksum(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].file_checksum.c_str();
}

const char* rocksdb_livefiles_storage_info_file_checksum_func_name(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].file_checksum_func_name.c_str();
}

const char* rocksdb_livefiles_storage_info_replacement_contents(
    const rocksdb_livefiles_storage_info_t* info, size_t index, size_t* size) {
  *size = info->rep[index].replacement_contents.size();
  return info->rep[index].replacement_contents.data();
}

unsigned char rocksdb_livefiles_storage_info_trim_to_size(
    const rocksdb_livefiles_storage_info_t* info, size_t index) {
  return info->rep[index].trim_to_size;
}

void rocksdb_livefiles_storage_info_destroy(
    rocksdb_livefiles_storage_info_t* info) {
  delete info;
}

rocksdb_livefile_t* rocksdb_livefile_create() { return new rocksdb_livefile_t; }

void rocksdb_livefile_set_column_family_name(rocksdb_livefile_t* lf,
                                             const char* column_family_name) {
  lf->rep.column_family_name = std::string(column_family_name);
}

void rocksdb_livefile_set_level(rocksdb_livefile_t* lf, int level) {
  lf->rep.level = level;
}

void rocksdb_livefile_set_name(rocksdb_livefile_t* lf, const char* name) {
  lf->rep.name = std::string(name);
}

void rocksdb_livefile_set_directory(rocksdb_livefile_t* lf,
                                    const char* directory) {
  lf->rep.directory = std::string(directory);
  lf->rep.db_path = std::string(directory);  // deprecated but still needed
}

void rocksdb_livefile_set_size(rocksdb_livefile_t* lf, size_t size) {
  lf->rep.size = size;
}

void rocksdb_livefile_set_smallest_key(rocksdb_livefile_t* lf,
                                       const char* smallest_key,
                                       size_t smallest_key_len) {
  lf->rep.smallestkey = std::string(smallest_key, smallest_key_len);
}

void rocksdb_livefile_set_largest_key(rocksdb_livefile_t* lf,
                                      const char* largest_key,
                                      size_t largest_key_len) {
  lf->rep.largestkey = std::string(largest_key, largest_key_len);
}

void rocksdb_livefile_set_smallest_seqno(rocksdb_livefile_t* lf,
                                         uint64_t smallest_seqno) {
  lf->rep.smallest_seqno = smallest_seqno;
}

void rocksdb_livefile_set_largest_seqno(rocksdb_livefile_t* lf,
                                        uint64_t largest_seqno) {
  lf->rep.largest_seqno = largest_seqno;
}

void rocksdb_livefile_set_num_entries(rocksdb_livefile_t* lf,
                                      uint64_t num_entries) {
  lf->rep.num_entries = num_entries;
}

void rocksdb_livefile_set_num_deletions(rocksdb_livefile_t* lf,
                                        uint64_t num_deletions) {
  lf->rep.num_deletions = num_deletions;
}

void rocksdb_livefile_destroy(rocksdb_livefile_t* lf) { delete lf; }

void rocksdb_livefiles_add(rocksdb_livefiles_t* lf,
                           rocksdb_livefile_t* livefile) {
  lf->rep.push_back(std::move(livefile->rep));
  delete livefile;
}

void rocksdb_get_options_from_string(const rocksdb_options_t* base_options,
                                     const char* opts_str,
                                     rocksdb_options_t* new_options,
                                     char** errptr) {
  SaveError(errptr,
            GetOptionsFromString(base_options->rep, std::string(opts_str),
                                 &new_options->rep));
}

void rocksdb_delete_file_in_range(rocksdb_t* db, const char* start_key,
                                  size_t start_key_len, const char* limit_key,
                                  size_t limit_key_len, char** errptr) {
  Slice a;
  Slice b;
  SaveError(
      errptr,
      DeleteFilesInRange(
          db->rep, db->rep->DefaultColumnFamily(),
          (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
          (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)));
}

void rocksdb_delete_file_in_range_cf(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    const char* start_key, size_t start_key_len, const char* limit_key,
    size_t limit_key_len, char** errptr) {
  Slice a;
  Slice b;
  SaveError(
      errptr,
      DeleteFilesInRange(
          db->rep, column_family->rep,
          (start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
          (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)));
}

/* MetaData */

rocksdb_column_family_metadata_t* rocksdb_get_column_family_metadata(
    rocksdb_t* db) {
  rocksdb_column_family_metadata_t* meta = new rocksdb_column_family_metadata_t;
  db->rep->GetColumnFamilyMetaData(&meta->rep);
  return meta;
}

rocksdb_column_family_metadata_t*
rocksdb_get_column_family_metadata_with_options(
    rocksdb_t* db, const rocksdb_column_family_metadata_options_t* options) {
  rocksdb_column_family_metadata_t* meta = new rocksdb_column_family_metadata_t;
  GetColumnFamilyMetaDataOptions default_options;
  const GetColumnFamilyMetaDataOptions& metadata_options =
      options != nullptr ? options->rep : default_options;
  db->rep->GetColumnFamilyMetaData(metadata_options, &meta->rep);
  return meta;
}

rocksdb_column_family_metadata_options_t*
rocksdb_column_family_metadata_options_create() {
  auto* options = new rocksdb_column_family_metadata_options_t;
  SyncColumnFamilyMetadataOptionsRange(options);
  return options;
}

void rocksdb_column_family_metadata_options_destroy(
    rocksdb_column_family_metadata_options_t* options) {
  delete options;
}

void rocksdb_column_family_metadata_options_set_start_key(
    rocksdb_column_family_metadata_options_t* options, const char* key,
    size_t key_len) {
  if (key == nullptr) {
    options->start_key.clear();
    options->has_start_key = false;
  } else {
    options->start_key.assign(key, key_len);
    options->has_start_key = true;
  }
  SyncColumnFamilyMetadataOptionsRange(options);
}

const char* rocksdb_column_family_metadata_options_get_start_key(
    const rocksdb_column_family_metadata_options_t* options, size_t* key_len) {
  if (!options->has_start_key) {
    if (key_len != nullptr) {
      *key_len = 0;
    }
    return nullptr;
  }
  if (key_len != nullptr) {
    *key_len = options->start_key.size();
  }
  return options->start_key.data();
}

void rocksdb_column_family_metadata_options_set_end_key(
    rocksdb_column_family_metadata_options_t* options, const char* key,
    size_t key_len) {
  if (key == nullptr) {
    options->end_key.clear();
    options->has_end_key = false;
  } else {
    options->end_key.assign(key, key_len);
    options->has_end_key = true;
  }
  SyncColumnFamilyMetadataOptionsRange(options);
}

const char* rocksdb_column_family_metadata_options_get_end_key(
    const rocksdb_column_family_metadata_options_t* options, size_t* key_len) {
  if (!options->has_end_key) {
    if (key_len != nullptr) {
      *key_len = 0;
    }
    return nullptr;
  }
  if (key_len != nullptr) {
    *key_len = options->end_key.size();
  }
  return options->end_key.data();
}

rocksdb_column_family_metadata_t* rocksdb_get_column_family_metadata_cf(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family) {
  rocksdb_column_family_metadata_t* meta = new rocksdb_column_family_metadata_t;
  db->rep->GetColumnFamilyMetaData(column_family->rep, &meta->rep);
  return meta;
}

rocksdb_column_family_metadata_t*
rocksdb_get_column_family_metadata_cf_with_options(
    rocksdb_t* db, rocksdb_column_family_handle_t* column_family,
    const rocksdb_column_family_metadata_options_t* options) {
  rocksdb_column_family_metadata_t* meta = new rocksdb_column_family_metadata_t;
  GetColumnFamilyMetaDataOptions default_options;
  const GetColumnFamilyMetaDataOptions& metadata_options =
      options != nullptr ? options->rep : default_options;
  db->rep->GetColumnFamilyMetaData(column_family->rep, metadata_options,
                                   &meta->rep);
  return meta;
}

void rocksdb_column_family_metadata_destroy(
    rocksdb_column_family_metadata_t* cf_meta) {
  delete cf_meta;
}

uint64_t rocksdb_column_family_metadata_get_size(
    rocksdb_column_family_metadata_t* cf_meta) {
  return cf_meta->rep.size;
}

size_t rocksdb_column_family_metadata_get_file_count(
    rocksdb_column_family_metadata_t* cf_meta) {
  return cf_meta->rep.file_count;
}

char* rocksdb_column_family_metadata_get_name(
    rocksdb_column_family_metadata_t* cf_meta) {
  return strdup(cf_meta->rep.name.c_str());
}

size_t rocksdb_column_family_metadata_get_level_count(
    rocksdb_column_family_metadata_t* cf_meta) {
  return cf_meta->rep.levels.size();
}

rocksdb_level_metadata_t* rocksdb_column_family_metadata_get_level_metadata(
    rocksdb_column_family_metadata_t* cf_meta, size_t i) {
  if (i >= cf_meta->rep.levels.size()) {
    return nullptr;
  }
  rocksdb_level_metadata_t* level_meta =
      (rocksdb_level_metadata_t*)malloc(sizeof(rocksdb_level_metadata_t));
  level_meta->rep = &cf_meta->rep.levels[i];

  return level_meta;
}

void rocksdb_level_metadata_destroy(rocksdb_level_metadata_t* level_meta) {
  // Only free the base pointer as its parent rocksdb_column_family_metadata_t
  // has the ownership of its rep.
  free(level_meta);
}

int rocksdb_level_metadata_get_level(rocksdb_level_metadata_t* level_meta) {
  return level_meta->rep->level;
}

uint64_t rocksdb_level_metadata_get_size(rocksdb_level_metadata_t* level_meta) {
  return level_meta->rep->size;
}

size_t rocksdb_level_metadata_get_file_count(
    rocksdb_level_metadata_t* level_meta) {
  return level_meta->rep->files.size();
}

rocksdb_sst_file_metadata_t* rocksdb_level_metadata_get_sst_file_metadata(
    rocksdb_level_metadata_t* level_meta, size_t i) {
  if (i >= level_meta->rep->files.size()) {
    return nullptr;
  }
  rocksdb_sst_file_metadata_t* file_meta =
      (rocksdb_sst_file_metadata_t*)malloc(sizeof(rocksdb_sst_file_metadata_t));
  file_meta->rep = &level_meta->rep->files[i];
  return file_meta;
}

void rocksdb_sst_file_metadata_destroy(rocksdb_sst_file_metadata_t* file_meta) {
  // Only free the base pointer as its parent rocksdb_level_metadata_t
  // has the ownership of its rep.
  free(file_meta);
}

char* rocksdb_sst_file_metadata_get_relative_filename(
    rocksdb_sst_file_metadata_t* file_meta) {
  return strdup(file_meta->rep->relative_filename.c_str());
}

char* rocksdb_sst_file_metadata_get_directory(
    rocksdb_sst_file_metadata_t* file_meta) {
  return strdup(file_meta->rep->directory.c_str());
}

uint64_t rocksdb_sst_file_metadata_get_size(
    rocksdb_sst_file_metadata_t* file_meta) {
  return file_meta->rep->size;
}

char* rocksdb_sst_file_metadata_get_smallestkey(
    rocksdb_sst_file_metadata_t* file_meta, size_t* key_len) {
  *key_len = file_meta->rep->smallestkey.size();
  return CopyString(file_meta->rep->smallestkey);
}

char* rocksdb_sst_file_metadata_get_largestkey(
    rocksdb_sst_file_metadata_t* file_meta, size_t* key_len) {
  *key_len = file_meta->rep->largestkey.size();
  return CopyString(file_meta->rep->largestkey);
}

rocksdb_import_column_family_options_t*
rocksdb_import_column_family_options_create() {
  return new rocksdb_import_column_family_options_t;
}

void rocksdb_import_column_family_options_set_move_files(
    rocksdb_import_column_family_options_t* opt, unsigned char v) {
  opt->rep.move_files = v;
}

void rocksdb_import_column_family_options_destroy(
    rocksdb_import_column_family_options_t* metadata) {
  delete metadata;
}

rocksdb_export_import_files_metadata_t*
rocksdb_export_import_files_metadata_create() {
  auto metadata = new rocksdb_export_import_files_metadata_t;
  metadata->rep = new ExportImportFilesMetaData;
  return metadata;
}

char* rocksdb_export_import_files_metadata_get_db_comparator_name(
    rocksdb_export_import_files_metadata_t* metadata) {
  return strdup(metadata->rep->db_comparator_name.c_str());
}

void rocksdb_export_import_files_metadata_set_db_comparator_name(
    rocksdb_export_import_files_metadata_t* metadata, const char* name) {
  metadata->rep->db_comparator_name = std::string(name);
}

rocksdb_livefiles_t* rocksdb_export_import_files_metadata_get_files(
    rocksdb_export_import_files_metadata_t* export_import_metadata) {
  auto files = new rocksdb_livefiles_t;
  files->rep = std::vector(export_import_metadata->rep->files);
  return files;
}

void rocksdb_export_import_files_metadata_set_files(
    rocksdb_export_import_files_metadata_t* metadata,
    rocksdb_livefiles_t* files) {
  metadata->rep->files = std::move(files->rep);
  delete files;
}

void rocksdb_export_import_files_metadata_destroy(
    rocksdb_export_import_files_metadata_t* metadata) {
  delete metadata->rep;
  delete metadata;
}

/* Transactions */

rocksdb_transactiondb_options_t* rocksdb_transactiondb_options_create() {
  return new rocksdb_transactiondb_options_t;
}

void rocksdb_transactiondb_options_destroy(
    rocksdb_transactiondb_options_t* opt) {
  delete opt;
}

rocksdb_transaction_options_t* rocksdb_transaction_options_create() {
  return new rocksdb_transaction_options_t;
}

void rocksdb_transaction_options_destroy(rocksdb_transaction_options_t* opt) {
  delete opt;
}

rocksdb_optimistictransactiondb_lock_buckets_t*
rocksdb_optimistictransactiondb_lock_buckets_create(
    size_t bucket_count, unsigned char cache_aligned) {
  auto* lock_buckets = new rocksdb_optimistictransactiondb_lock_buckets_t;
  lock_buckets->rep =
      MakeSharedOccLockBuckets(bucket_count, cache_aligned != 0);
  return lock_buckets;
}

size_t rocksdb_optimistictransactiondb_lock_buckets_approximate_memory_usage(
    rocksdb_optimistictransactiondb_lock_buckets_t* lock_buckets) {
  return lock_buckets->rep->ApproximateMemoryUsage();
}

void rocksdb_optimistictransactiondb_lock_buckets_destroy(
    rocksdb_optimistictransactiondb_lock_buckets_t* lock_buckets) {
  delete lock_buckets;
}

rocksdb_optimistictransactiondb_options_t*
rocksdb_optimistictransactiondb_options_create() {
  return new rocksdb_optimistictransactiondb_options_t;
}

void rocksdb_optimistictransactiondb_options_destroy(
    rocksdb_optimistictransactiondb_options_t* opt) {
  delete opt;
}

void rocksdb_optimistictransactiondb_options_set_shared_lock_buckets(
    rocksdb_optimistictransactiondb_options_t* opt,
    rocksdb_optimistictransactiondb_lock_buckets_t* lock_buckets) {
  opt->rep.shared_lock_buckets =
      lock_buckets != nullptr ? lock_buckets->rep : nullptr;
}

// Hand-written bindings for ABI-frozen options with type mismatches between
// the legacy C API and the underlying C++ field types. These are blocklisted
// from auto-generation to avoid conflicting declarations.
void rocksdb_options_set_writable_file_max_buffer_size(rocksdb_options_t* opt,
                                                       uint64_t v) {
  opt->rep.writable_file_max_buffer_size = static_cast<size_t>(v);
}
uint64_t rocksdb_options_get_writable_file_max_buffer_size(
    rocksdb_options_t* opt) {
  return opt->rep.writable_file_max_buffer_size;
}
void rocksdb_options_set_soft_pending_compaction_bytes_limit(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.soft_pending_compaction_bytes_limit = v;
}
size_t rocksdb_options_get_soft_pending_compaction_bytes_limit(
    rocksdb_options_t* opt) {
  return opt->rep.soft_pending_compaction_bytes_limit;
}
void rocksdb_options_set_hard_pending_compaction_bytes_limit(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.hard_pending_compaction_bytes_limit = v;
}
size_t rocksdb_options_get_hard_pending_compaction_bytes_limit(
    rocksdb_options_t* opt) {
  return opt->rep.hard_pending_compaction_bytes_limit;
}
void rocksdb_options_set_max_manifest_file_size(rocksdb_options_t* opt,
                                                size_t v) {
  opt->rep.max_manifest_file_size = v;
}
size_t rocksdb_options_get_max_manifest_file_size(rocksdb_options_t* opt) {
  return opt->rep.max_manifest_file_size;
}

// BEGIN generated: c_generated_option_structs_auto.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/auto_simple_bindings.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Sources:
//   - include/rocksdb/advanced_options.h
//   - include/rocksdb/block_cache_trace_writer.h
//   - include/rocksdb/env.h
//   - include/rocksdb/metadata.h
//   - include/rocksdb/options.h
//   - include/rocksdb/table.h
//   - include/rocksdb/universal_compaction.h
//   - include/rocksdb/utilities/backup_engine.h
//   - include/rocksdb/utilities/optimistic_transaction_db.h
//   - include/rocksdb/utilities/transaction_db.h
//   - tools/c_api_gen/auto_simple_bindings_blocklist.json
//   - include/rocksdb/c.h
//   - tools/c_api_gen/c_base.cc
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/auto_simple_bindings.py

// Output group: Auto-discovered option structs simple

/* DBOptions */

void rocksdb_options_set_create_if_missing(rocksdb_options_t* opt,
                                           unsigned char v) {
  opt->rep.create_if_missing = v;
}

unsigned char rocksdb_options_get_create_if_missing(rocksdb_options_t* opt) {
  return opt->rep.create_if_missing;
}

void rocksdb_options_set_create_missing_column_families(rocksdb_options_t* opt,
                                                        unsigned char v) {
  opt->rep.create_missing_column_families = v;
}

unsigned char rocksdb_options_get_create_missing_column_families(
    rocksdb_options_t* opt) {
  return opt->rep.create_missing_column_families;
}

void rocksdb_options_set_error_if_exists(rocksdb_options_t* opt,
                                         unsigned char v) {
  opt->rep.error_if_exists = v;
}

unsigned char rocksdb_options_get_error_if_exists(rocksdb_options_t* opt) {
  return opt->rep.error_if_exists;
}

void rocksdb_options_set_paranoid_checks(rocksdb_options_t* opt,
                                         unsigned char v) {
  opt->rep.paranoid_checks = v;
}

unsigned char rocksdb_options_get_paranoid_checks(rocksdb_options_t* opt) {
  return opt->rep.paranoid_checks;
}

void rocksdb_options_set_flush_verify_memtable_count(rocksdb_options_t* opt,
                                                     unsigned char v) {
  opt->rep.flush_verify_memtable_count = v;
}

unsigned char rocksdb_options_get_flush_verify_memtable_count(
    rocksdb_options_t* opt) {
  return opt->rep.flush_verify_memtable_count;
}

void rocksdb_options_set_compaction_verify_record_count(rocksdb_options_t* opt,
                                                        unsigned char v) {
  opt->rep.compaction_verify_record_count = v;
}

unsigned char rocksdb_options_get_compaction_verify_record_count(
    rocksdb_options_t* opt) {
  return opt->rep.compaction_verify_record_count;
}

void rocksdb_options_set_track_and_verify_wals_in_manifest(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.track_and_verify_wals_in_manifest = v;
}

unsigned char rocksdb_options_get_track_and_verify_wals_in_manifest(
    rocksdb_options_t* opt) {
  return opt->rep.track_and_verify_wals_in_manifest;
}

void rocksdb_options_set_track_and_verify_wals(rocksdb_options_t* opt,
                                               unsigned char v) {
  opt->rep.track_and_verify_wals = v;
}

unsigned char rocksdb_options_get_track_and_verify_wals(
    rocksdb_options_t* opt) {
  return opt->rep.track_and_verify_wals;
}

void rocksdb_options_set_verify_sst_unique_id_in_manifest(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.verify_sst_unique_id_in_manifest = v;
}

unsigned char rocksdb_options_get_verify_sst_unique_id_in_manifest(
    rocksdb_options_t* opt) {
  return opt->rep.verify_sst_unique_id_in_manifest;
}

void rocksdb_options_set_info_log_level(rocksdb_options_t* opt, int v) {
  opt->rep.info_log_level = static_cast<decltype(opt->rep.info_log_level)>(v);
}

int rocksdb_options_get_info_log_level(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.info_log_level);
}

void rocksdb_options_set_max_open_files(rocksdb_options_t* opt, int v) {
  opt->rep.max_open_files = v;
}

int rocksdb_options_get_max_open_files(rocksdb_options_t* opt) {
  return opt->rep.max_open_files;
}

void rocksdb_options_set_max_file_opening_threads(rocksdb_options_t* opt,
                                                  int v) {
  opt->rep.max_file_opening_threads = v;
}

int rocksdb_options_get_max_file_opening_threads(rocksdb_options_t* opt) {
  return opt->rep.max_file_opening_threads;
}

void rocksdb_options_set_open_files_async(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.open_files_async = v;
}

unsigned char rocksdb_options_get_open_files_async(rocksdb_options_t* opt) {
  return opt->rep.open_files_async;
}

void rocksdb_options_set_max_total_wal_size(rocksdb_options_t* opt,
                                            uint64_t v) {
  opt->rep.max_total_wal_size = v;
}

uint64_t rocksdb_options_get_max_total_wal_size(rocksdb_options_t* opt) {
  return opt->rep.max_total_wal_size;
}

void rocksdb_options_set_db_log_dir(rocksdb_options_t* opt, const char* v) {
  opt->rep.db_log_dir = v;
}

const char* rocksdb_options_get_db_log_dir(rocksdb_options_t* opt,
                                           size_t* size) {
  *size = opt->rep.db_log_dir.size();
  return opt->rep.db_log_dir.data();
}

void rocksdb_options_set_wal_dir(rocksdb_options_t* opt, const char* v) {
  opt->rep.wal_dir = v;
}

const char* rocksdb_options_get_wal_dir(rocksdb_options_t* opt, size_t* size) {
  *size = opt->rep.wal_dir.size();
  return opt->rep.wal_dir.data();
}

void rocksdb_options_set_delete_obsolete_files_period_micros(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.delete_obsolete_files_period_micros = v;
}

uint64_t rocksdb_options_get_delete_obsolete_files_period_micros(
    rocksdb_options_t* opt) {
  return opt->rep.delete_obsolete_files_period_micros;
}

void rocksdb_options_set_max_background_jobs(rocksdb_options_t* opt, int v) {
  opt->rep.max_background_jobs = v;
}

int rocksdb_options_get_max_background_jobs(rocksdb_options_t* opt) {
  return opt->rep.max_background_jobs;
}

void rocksdb_options_set_max_background_compactions(rocksdb_options_t* opt,
                                                    int v) {
  opt->rep.max_background_compactions = v;
}

int rocksdb_options_get_max_background_compactions(rocksdb_options_t* opt) {
  return opt->rep.max_background_compactions;
}

void rocksdb_options_set_max_subcompactions(rocksdb_options_t* opt,
                                            uint32_t v) {
  opt->rep.max_subcompactions = v;
}

uint32_t rocksdb_options_get_max_subcompactions(rocksdb_options_t* opt) {
  return opt->rep.max_subcompactions;
}

void rocksdb_options_set_max_background_flushes(rocksdb_options_t* opt, int v) {
  opt->rep.max_background_flushes = v;
}

int rocksdb_options_get_max_background_flushes(rocksdb_options_t* opt) {
  return opt->rep.max_background_flushes;
}

void rocksdb_options_set_max_log_file_size(rocksdb_options_t* opt, size_t v) {
  opt->rep.max_log_file_size = v;
}

size_t rocksdb_options_get_max_log_file_size(rocksdb_options_t* opt) {
  return opt->rep.max_log_file_size;
}

void rocksdb_options_set_log_file_time_to_roll(rocksdb_options_t* opt,
                                               size_t v) {
  opt->rep.log_file_time_to_roll = v;
}

size_t rocksdb_options_get_log_file_time_to_roll(rocksdb_options_t* opt) {
  return opt->rep.log_file_time_to_roll;
}

void rocksdb_options_set_keep_log_file_num(rocksdb_options_t* opt, size_t v) {
  opt->rep.keep_log_file_num = v;
}

size_t rocksdb_options_get_keep_log_file_num(rocksdb_options_t* opt) {
  return opt->rep.keep_log_file_num;
}

void rocksdb_options_set_recycle_log_file_num(rocksdb_options_t* opt,
                                              size_t v) {
  opt->rep.recycle_log_file_num = v;
}

size_t rocksdb_options_get_recycle_log_file_num(rocksdb_options_t* opt) {
  return opt->rep.recycle_log_file_num;
}

void rocksdb_options_set_async_wal_precreate(rocksdb_options_t* opt,
                                             unsigned char v) {
  opt->rep.async_wal_precreate = v;
}

unsigned char rocksdb_options_get_async_wal_precreate(rocksdb_options_t* opt) {
  return opt->rep.async_wal_precreate;
}

void rocksdb_options_set_verify_manifest_content_on_close(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.verify_manifest_content_on_close = v;
}

unsigned char rocksdb_options_get_verify_manifest_content_on_close(
    rocksdb_options_t* opt) {
  return opt->rep.verify_manifest_content_on_close;
}

void rocksdb_options_set_optimize_manifest_for_recovery(rocksdb_options_t* opt,
                                                        unsigned char v) {
  opt->rep.optimize_manifest_for_recovery = v;
}

unsigned char rocksdb_options_get_optimize_manifest_for_recovery(
    rocksdb_options_t* opt) {
  return opt->rep.optimize_manifest_for_recovery;
}

void rocksdb_options_set_reuse_manifest_on_open(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.reuse_manifest_on_open = v;
}

unsigned char rocksdb_options_get_reuse_manifest_on_open(
    rocksdb_options_t* opt) {
  return opt->rep.reuse_manifest_on_open;
}

void rocksdb_options_set_max_manifest_space_amp_pct(rocksdb_options_t* opt,
                                                    int v) {
  opt->rep.max_manifest_space_amp_pct = v;
}

int rocksdb_options_get_max_manifest_space_amp_pct(rocksdb_options_t* opt) {
  return opt->rep.max_manifest_space_amp_pct;
}

void rocksdb_options_set_table_cache_numshardbits(rocksdb_options_t* opt,
                                                  int v) {
  opt->rep.table_cache_numshardbits = v;
}

int rocksdb_options_get_table_cache_numshardbits(rocksdb_options_t* opt) {
  return opt->rep.table_cache_numshardbits;
}

void rocksdb_options_set_WAL_ttl_seconds(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.WAL_ttl_seconds = v;
}

uint64_t rocksdb_options_get_WAL_ttl_seconds(rocksdb_options_t* opt) {
  return opt->rep.WAL_ttl_seconds;
}

void rocksdb_options_set_WAL_size_limit_MB(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.WAL_size_limit_MB = v;
}

uint64_t rocksdb_options_get_WAL_size_limit_MB(rocksdb_options_t* opt) {
  return opt->rep.WAL_size_limit_MB;
}

void rocksdb_options_set_manifest_preallocation_size(rocksdb_options_t* opt,
                                                     size_t v) {
  opt->rep.manifest_preallocation_size = v;
}

size_t rocksdb_options_get_manifest_preallocation_size(rocksdb_options_t* opt) {
  return opt->rep.manifest_preallocation_size;
}

void rocksdb_options_set_allow_mmap_reads(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.allow_mmap_reads = v;
}

unsigned char rocksdb_options_get_allow_mmap_reads(rocksdb_options_t* opt) {
  return opt->rep.allow_mmap_reads;
}

void rocksdb_options_set_allow_mmap_writes(rocksdb_options_t* opt,
                                           unsigned char v) {
  opt->rep.allow_mmap_writes = v;
}

unsigned char rocksdb_options_get_allow_mmap_writes(rocksdb_options_t* opt) {
  return opt->rep.allow_mmap_writes;
}

void rocksdb_options_set_use_direct_reads(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.use_direct_reads = v;
}

unsigned char rocksdb_options_get_use_direct_reads(rocksdb_options_t* opt) {
  return opt->rep.use_direct_reads;
}

void rocksdb_options_set_use_direct_io_for_compaction_reads(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.use_direct_io_for_compaction_reads = v;
}

unsigned char rocksdb_options_get_use_direct_io_for_compaction_reads(
    rocksdb_options_t* opt) {
  return opt->rep.use_direct_io_for_compaction_reads;
}

void rocksdb_options_set_use_direct_io_for_flush_and_compaction(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.use_direct_io_for_flush_and_compaction = v;
}

unsigned char rocksdb_options_get_use_direct_io_for_flush_and_compaction(
    rocksdb_options_t* opt) {
  return opt->rep.use_direct_io_for_flush_and_compaction;
}

void rocksdb_options_set_allow_fallocate(rocksdb_options_t* opt,
                                         unsigned char v) {
  opt->rep.allow_fallocate = v;
}

unsigned char rocksdb_options_get_allow_fallocate(rocksdb_options_t* opt) {
  return opt->rep.allow_fallocate;
}

void rocksdb_options_set_is_fd_close_on_exec(rocksdb_options_t* opt,
                                             unsigned char v) {
  opt->rep.is_fd_close_on_exec = v;
}

unsigned char rocksdb_options_get_is_fd_close_on_exec(rocksdb_options_t* opt) {
  return opt->rep.is_fd_close_on_exec;
}

void rocksdb_options_set_stats_dump_period_sec(rocksdb_options_t* opt,
                                               unsigned int v) {
  opt->rep.stats_dump_period_sec = v;
}

unsigned int rocksdb_options_get_stats_dump_period_sec(rocksdb_options_t* opt) {
  return opt->rep.stats_dump_period_sec;
}

void rocksdb_options_set_stats_persist_period_sec(rocksdb_options_t* opt,
                                                  unsigned int v) {
  opt->rep.stats_persist_period_sec = v;
}

unsigned int rocksdb_options_get_stats_persist_period_sec(
    rocksdb_options_t* opt) {
  return opt->rep.stats_persist_period_sec;
}

void rocksdb_options_set_persist_stats_to_disk(rocksdb_options_t* opt,
                                               unsigned char v) {
  opt->rep.persist_stats_to_disk = v;
}

unsigned char rocksdb_options_get_persist_stats_to_disk(
    rocksdb_options_t* opt) {
  return opt->rep.persist_stats_to_disk;
}

void rocksdb_options_set_stats_history_buffer_size(rocksdb_options_t* opt,
                                                   size_t v) {
  opt->rep.stats_history_buffer_size = v;
}

size_t rocksdb_options_get_stats_history_buffer_size(rocksdb_options_t* opt) {
  return opt->rep.stats_history_buffer_size;
}

void rocksdb_options_set_advise_random_on_open(rocksdb_options_t* opt,
                                               unsigned char v) {
  opt->rep.advise_random_on_open = v;
}

unsigned char rocksdb_options_get_advise_random_on_open(
    rocksdb_options_t* opt) {
  return opt->rep.advise_random_on_open;
}

void rocksdb_options_set_db_write_buffer_size(rocksdb_options_t* opt,
                                              size_t v) {
  opt->rep.db_write_buffer_size = v;
}

size_t rocksdb_options_get_db_write_buffer_size(rocksdb_options_t* opt) {
  return opt->rep.db_write_buffer_size;
}

void rocksdb_options_compaction_readahead_size(rocksdb_options_t* opt,
                                               size_t v) {
  opt->rep.compaction_readahead_size = v;
}

size_t rocksdb_options_get_compaction_readahead_size(rocksdb_options_t* opt) {
  return opt->rep.compaction_readahead_size;
}

void rocksdb_options_set_use_adaptive_mutex(rocksdb_options_t* opt,
                                            unsigned char v) {
  opt->rep.use_adaptive_mutex = v;
}

unsigned char rocksdb_options_get_use_adaptive_mutex(rocksdb_options_t* opt) {
  return opt->rep.use_adaptive_mutex;
}

void rocksdb_options_set_bytes_per_sync(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.bytes_per_sync = v;
}

uint64_t rocksdb_options_get_bytes_per_sync(rocksdb_options_t* opt) {
  return opt->rep.bytes_per_sync;
}

void rocksdb_options_set_wal_bytes_per_sync(rocksdb_options_t* opt,
                                            uint64_t v) {
  opt->rep.wal_bytes_per_sync = v;
}

uint64_t rocksdb_options_get_wal_bytes_per_sync(rocksdb_options_t* opt) {
  return opt->rep.wal_bytes_per_sync;
}

void rocksdb_options_set_strict_bytes_per_sync(rocksdb_options_t* opt,
                                               unsigned char v) {
  opt->rep.strict_bytes_per_sync = v;
}

unsigned char rocksdb_options_get_strict_bytes_per_sync(
    rocksdb_options_t* opt) {
  return opt->rep.strict_bytes_per_sync;
}

void rocksdb_options_set_enable_thread_tracking(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.enable_thread_tracking = v;
}

unsigned char rocksdb_options_get_enable_thread_tracking(
    rocksdb_options_t* opt) {
  return opt->rep.enable_thread_tracking;
}

void rocksdb_options_set_delayed_write_rate(rocksdb_options_t* opt,
                                            uint64_t v) {
  opt->rep.delayed_write_rate = v;
}

uint64_t rocksdb_options_get_delayed_write_rate(rocksdb_options_t* opt) {
  return opt->rep.delayed_write_rate;
}

void rocksdb_options_set_enable_pipelined_write(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.enable_pipelined_write = v;
}

unsigned char rocksdb_options_get_enable_pipelined_write(
    rocksdb_options_t* opt) {
  return opt->rep.enable_pipelined_write;
}

void rocksdb_options_set_unordered_write(rocksdb_options_t* opt,
                                         unsigned char v) {
  opt->rep.unordered_write = v;
}

unsigned char rocksdb_options_get_unordered_write(rocksdb_options_t* opt) {
  return opt->rep.unordered_write;
}

void rocksdb_options_set_allow_concurrent_memtable_write(rocksdb_options_t* opt,
                                                         unsigned char v) {
  opt->rep.allow_concurrent_memtable_write = v;
}

unsigned char rocksdb_options_get_allow_concurrent_memtable_write(
    rocksdb_options_t* opt) {
  return opt->rep.allow_concurrent_memtable_write;
}

void rocksdb_options_set_enable_write_thread_adaptive_yield(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.enable_write_thread_adaptive_yield = v;
}

unsigned char rocksdb_options_get_enable_write_thread_adaptive_yield(
    rocksdb_options_t* opt) {
  return opt->rep.enable_write_thread_adaptive_yield;
}

void rocksdb_options_set_max_write_batch_group_size_bytes(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.max_write_batch_group_size_bytes = v;
}

uint64_t rocksdb_options_get_max_write_batch_group_size_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.max_write_batch_group_size_bytes;
}

void rocksdb_options_set_write_thread_max_yield_usec(rocksdb_options_t* opt,
                                                     uint64_t v) {
  opt->rep.write_thread_max_yield_usec = v;
}

uint64_t rocksdb_options_get_write_thread_max_yield_usec(
    rocksdb_options_t* opt) {
  return opt->rep.write_thread_max_yield_usec;
}

void rocksdb_options_set_write_thread_slow_yield_usec(rocksdb_options_t* opt,
                                                      uint64_t v) {
  opt->rep.write_thread_slow_yield_usec = v;
}

uint64_t rocksdb_options_get_write_thread_slow_yield_usec(
    rocksdb_options_t* opt) {
  return opt->rep.write_thread_slow_yield_usec;
}

void rocksdb_options_set_skip_stats_update_on_db_open(rocksdb_options_t* opt,
                                                      unsigned char v) {
  opt->rep.skip_stats_update_on_db_open = v;
}

unsigned char rocksdb_options_get_skip_stats_update_on_db_open(
    rocksdb_options_t* opt) {
  return opt->rep.skip_stats_update_on_db_open;
}

void rocksdb_options_set_wal_recovery_mode(rocksdb_options_t* opt, int v) {
  opt->rep.wal_recovery_mode =
      static_cast<decltype(opt->rep.wal_recovery_mode)>(v);
}

int rocksdb_options_get_wal_recovery_mode(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.wal_recovery_mode);
}

void rocksdb_options_set_allow_2pc(rocksdb_options_t* opt, unsigned char v) {
  opt->rep.allow_2pc = v;
}

unsigned char rocksdb_options_get_allow_2pc(rocksdb_options_t* opt) {
  return opt->rep.allow_2pc;
}

void rocksdb_options_set_dump_malloc_stats(rocksdb_options_t* opt,
                                           unsigned char v) {
  opt->rep.dump_malloc_stats = v;
}

unsigned char rocksdb_options_get_dump_malloc_stats(rocksdb_options_t* opt) {
  return opt->rep.dump_malloc_stats;
}

void rocksdb_options_set_avoid_flush_during_recovery(rocksdb_options_t* opt,
                                                     unsigned char v) {
  opt->rep.avoid_flush_during_recovery = v;
}

unsigned char rocksdb_options_get_avoid_flush_during_recovery(
    rocksdb_options_t* opt) {
  return opt->rep.avoid_flush_during_recovery;
}

void rocksdb_options_set_enforce_write_buffer_manager_during_recovery(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.enforce_write_buffer_manager_during_recovery = v;
}

unsigned char rocksdb_options_get_enforce_write_buffer_manager_during_recovery(
    rocksdb_options_t* opt) {
  return opt->rep.enforce_write_buffer_manager_during_recovery;
}

void rocksdb_options_set_avoid_flush_during_shutdown(rocksdb_options_t* opt,
                                                     unsigned char v) {
  opt->rep.avoid_flush_during_shutdown = v;
}

unsigned char rocksdb_options_get_avoid_flush_during_shutdown(
    rocksdb_options_t* opt) {
  return opt->rep.avoid_flush_during_shutdown;
}

void rocksdb_options_set_allow_ingest_behind(rocksdb_options_t* opt,
                                             unsigned char v) {
  opt->rep.allow_ingest_behind = v;
}

unsigned char rocksdb_options_get_allow_ingest_behind(rocksdb_options_t* opt) {
  return opt->rep.allow_ingest_behind;
}

void rocksdb_options_set_two_write_queues(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.two_write_queues = v;
}

unsigned char rocksdb_options_get_two_write_queues(rocksdb_options_t* opt) {
  return opt->rep.two_write_queues;
}

void rocksdb_options_set_manual_wal_flush(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.manual_wal_flush = v;
}

unsigned char rocksdb_options_get_manual_wal_flush(rocksdb_options_t* opt) {
  return opt->rep.manual_wal_flush;
}

void rocksdb_options_set_wal_compression(rocksdb_options_t* opt, int v) {
  opt->rep.wal_compression = static_cast<decltype(opt->rep.wal_compression)>(v);
}

int rocksdb_options_get_wal_compression(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.wal_compression);
}

void rocksdb_options_set_background_close_inactive_wals(rocksdb_options_t* opt,
                                                        unsigned char v) {
  opt->rep.background_close_inactive_wals = v;
}

unsigned char rocksdb_options_get_background_close_inactive_wals(
    rocksdb_options_t* opt) {
  return opt->rep.background_close_inactive_wals;
}

void rocksdb_options_set_atomic_flush(rocksdb_options_t* opt, unsigned char v) {
  opt->rep.atomic_flush = v;
}

unsigned char rocksdb_options_get_atomic_flush(rocksdb_options_t* opt) {
  return opt->rep.atomic_flush;
}

void rocksdb_options_set_avoid_unnecessary_blocking_io(rocksdb_options_t* opt,
                                                       unsigned char v) {
  opt->rep.avoid_unnecessary_blocking_io = v;
}

unsigned char rocksdb_options_get_avoid_unnecessary_blocking_io(
    rocksdb_options_t* opt) {
  return opt->rep.avoid_unnecessary_blocking_io;
}

void rocksdb_options_set_write_dbid_to_manifest(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.write_dbid_to_manifest = v;
}

unsigned char rocksdb_options_get_write_dbid_to_manifest(
    rocksdb_options_t* opt) {
  return opt->rep.write_dbid_to_manifest;
}

void rocksdb_options_set_write_identity_file(rocksdb_options_t* opt,
                                             unsigned char v) {
  opt->rep.write_identity_file = v;
}

unsigned char rocksdb_options_get_write_identity_file(rocksdb_options_t* opt) {
  return opt->rep.write_identity_file;
}

void rocksdb_options_set_prefix_seek_opt_in_only(rocksdb_options_t* opt,
                                                 unsigned char v) {
  opt->rep.prefix_seek_opt_in_only = v;
}

unsigned char rocksdb_options_get_prefix_seek_opt_in_only(
    rocksdb_options_t* opt) {
  return opt->rep.prefix_seek_opt_in_only;
}

void rocksdb_options_set_log_readahead_size(rocksdb_options_t* opt, size_t v) {
  opt->rep.log_readahead_size = v;
}

size_t rocksdb_options_get_log_readahead_size(rocksdb_options_t* opt) {
  return opt->rep.log_readahead_size;
}

void rocksdb_options_set_best_efforts_recovery(rocksdb_options_t* opt,
                                               unsigned char v) {
  opt->rep.best_efforts_recovery = v;
}

unsigned char rocksdb_options_get_best_efforts_recovery(
    rocksdb_options_t* opt) {
  return opt->rep.best_efforts_recovery;
}

void rocksdb_options_set_max_bgerror_resume_count(rocksdb_options_t* opt,
                                                  int v) {
  opt->rep.max_bgerror_resume_count = v;
}

int rocksdb_options_get_max_bgerror_resume_count(rocksdb_options_t* opt) {
  return opt->rep.max_bgerror_resume_count;
}

void rocksdb_options_set_bgerror_resume_retry_interval(rocksdb_options_t* opt,
                                                       uint64_t v) {
  opt->rep.bgerror_resume_retry_interval = v;
}

uint64_t rocksdb_options_get_bgerror_resume_retry_interval(
    rocksdb_options_t* opt) {
  return opt->rep.bgerror_resume_retry_interval;
}

void rocksdb_options_set_allow_data_in_errors(rocksdb_options_t* opt,
                                              unsigned char v) {
  opt->rep.allow_data_in_errors = v;
}

unsigned char rocksdb_options_get_allow_data_in_errors(rocksdb_options_t* opt) {
  return opt->rep.allow_data_in_errors;
}

void rocksdb_options_set_db_host_id(rocksdb_options_t* opt, const char* v) {
  opt->rep.db_host_id = v;
}

const char* rocksdb_options_get_db_host_id(rocksdb_options_t* opt,
                                           size_t* size) {
  *size = opt->rep.db_host_id.size();
  return opt->rep.db_host_id.data();
}

void rocksdb_options_set_lowest_used_cache_tier(rocksdb_options_t* opt, int v) {
  opt->rep.lowest_used_cache_tier =
      static_cast<decltype(opt->rep.lowest_used_cache_tier)>(v);
}

int rocksdb_options_get_lowest_used_cache_tier(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.lowest_used_cache_tier);
}

void rocksdb_options_set_enforce_single_del_contracts(rocksdb_options_t* opt,
                                                      unsigned char v) {
  opt->rep.enforce_single_del_contracts = v;
}

unsigned char rocksdb_options_get_enforce_single_del_contracts(
    rocksdb_options_t* opt) {
  return opt->rep.enforce_single_del_contracts;
}

void rocksdb_options_set_daily_offpeak_time_utc(rocksdb_options_t* opt,
                                                const char* v) {
  opt->rep.daily_offpeak_time_utc = v;
}

const char* rocksdb_options_get_daily_offpeak_time_utc(rocksdb_options_t* opt,
                                                       size_t* size) {
  *size = opt->rep.daily_offpeak_time_utc.size();
  return opt->rep.daily_offpeak_time_utc.data();
}

void rocksdb_options_set_max_compaction_trigger_wakeup_seconds(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.max_compaction_trigger_wakeup_seconds = v;
}

uint64_t rocksdb_options_get_max_compaction_trigger_wakeup_seconds(
    rocksdb_options_t* opt) {
  return opt->rep.max_compaction_trigger_wakeup_seconds;
}

void rocksdb_options_set_follower_refresh_catchup_period_ms(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.follower_refresh_catchup_period_ms = v;
}

uint64_t rocksdb_options_get_follower_refresh_catchup_period_ms(
    rocksdb_options_t* opt) {
  return opt->rep.follower_refresh_catchup_period_ms;
}

void rocksdb_options_set_follower_catchup_retry_count(rocksdb_options_t* opt,
                                                      uint64_t v) {
  opt->rep.follower_catchup_retry_count = v;
}

uint64_t rocksdb_options_get_follower_catchup_retry_count(
    rocksdb_options_t* opt) {
  return opt->rep.follower_catchup_retry_count;
}

void rocksdb_options_set_follower_catchup_retry_wait_ms(rocksdb_options_t* opt,
                                                        uint64_t v) {
  opt->rep.follower_catchup_retry_wait_ms = v;
}

uint64_t rocksdb_options_get_follower_catchup_retry_wait_ms(
    rocksdb_options_t* opt) {
  return opt->rep.follower_catchup_retry_wait_ms;
}

void rocksdb_options_set_metadata_write_temperature(rocksdb_options_t* opt,
                                                    int v) {
  opt->rep.metadata_write_temperature =
      static_cast<decltype(opt->rep.metadata_write_temperature)>(v);
}

int rocksdb_options_get_metadata_write_temperature(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.metadata_write_temperature);
}

void rocksdb_options_set_wal_write_temperature(rocksdb_options_t* opt, int v) {
  opt->rep.wal_write_temperature =
      static_cast<decltype(opt->rep.wal_write_temperature)>(v);
}

int rocksdb_options_get_wal_write_temperature(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.wal_write_temperature);
}

void rocksdb_options_set_fast_sst_open(rocksdb_options_t* opt,
                                       unsigned char v) {
  opt->rep.fast_sst_open = v;
}

unsigned char rocksdb_options_get_fast_sst_open(rocksdb_options_t* opt) {
  return opt->rep.fast_sst_open;
}

/* AdvancedColumnFamilyOptions */

void rocksdb_options_set_max_write_buffer_number(rocksdb_options_t* opt,
                                                 int v) {
  opt->rep.max_write_buffer_number = v;
}

int rocksdb_options_get_max_write_buffer_number(rocksdb_options_t* opt) {
  return opt->rep.max_write_buffer_number;
}

void rocksdb_options_set_min_write_buffer_number_to_merge(
    rocksdb_options_t* opt, int v) {
  opt->rep.min_write_buffer_number_to_merge = v;
}

int rocksdb_options_get_min_write_buffer_number_to_merge(
    rocksdb_options_t* opt) {
  return opt->rep.min_write_buffer_number_to_merge;
}

void rocksdb_options_set_max_write_buffer_size_to_maintain(
    rocksdb_options_t* opt, int64_t v) {
  opt->rep.max_write_buffer_size_to_maintain = v;
}

int64_t rocksdb_options_get_max_write_buffer_size_to_maintain(
    rocksdb_options_t* opt) {
  return opt->rep.max_write_buffer_size_to_maintain;
}

void rocksdb_options_set_inplace_update_support(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.inplace_update_support = v;
}

unsigned char rocksdb_options_get_inplace_update_support(
    rocksdb_options_t* opt) {
  return opt->rep.inplace_update_support;
}

void rocksdb_options_set_inplace_update_num_locks(rocksdb_options_t* opt,
                                                  size_t v) {
  opt->rep.inplace_update_num_locks = v;
}

size_t rocksdb_options_get_inplace_update_num_locks(rocksdb_options_t* opt) {
  return opt->rep.inplace_update_num_locks;
}

void rocksdb_options_set_experimental_mempurge_threshold(rocksdb_options_t* opt,
                                                         double v) {
  opt->rep.experimental_mempurge_threshold = v;
}

double rocksdb_options_get_experimental_mempurge_threshold(
    rocksdb_options_t* opt) {
  return opt->rep.experimental_mempurge_threshold;
}

void rocksdb_options_set_memtable_prefix_bloom_size_ratio(
    rocksdb_options_t* opt, double v) {
  opt->rep.memtable_prefix_bloom_size_ratio = v;
}

double rocksdb_options_get_memtable_prefix_bloom_size_ratio(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_prefix_bloom_size_ratio;
}

void rocksdb_options_set_memtable_whole_key_filtering(rocksdb_options_t* opt,
                                                      unsigned char v) {
  opt->rep.memtable_whole_key_filtering = v;
}

unsigned char rocksdb_options_get_memtable_whole_key_filtering(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_whole_key_filtering;
}

void rocksdb_options_set_memtable_huge_page_size(rocksdb_options_t* opt,
                                                 size_t v) {
  opt->rep.memtable_huge_page_size = v;
}

size_t rocksdb_options_get_memtable_huge_page_size(rocksdb_options_t* opt) {
  return opt->rep.memtable_huge_page_size;
}

void rocksdb_options_set_bloom_locality(rocksdb_options_t* opt, uint32_t v) {
  opt->rep.bloom_locality = v;
}

uint32_t rocksdb_options_get_bloom_locality(rocksdb_options_t* opt) {
  return opt->rep.bloom_locality;
}

void rocksdb_options_set_arena_block_size(rocksdb_options_t* opt, size_t v) {
  opt->rep.arena_block_size = v;
}

size_t rocksdb_options_get_arena_block_size(rocksdb_options_t* opt) {
  return opt->rep.arena_block_size;
}

void rocksdb_options_set_num_levels(rocksdb_options_t* opt, int v) {
  opt->rep.num_levels = v;
}

int rocksdb_options_get_num_levels(rocksdb_options_t* opt) {
  return opt->rep.num_levels;
}

void rocksdb_options_set_level0_slowdown_writes_trigger(rocksdb_options_t* opt,
                                                        int v) {
  opt->rep.level0_slowdown_writes_trigger = v;
}

int rocksdb_options_get_level0_slowdown_writes_trigger(rocksdb_options_t* opt) {
  return opt->rep.level0_slowdown_writes_trigger;
}

void rocksdb_options_set_level0_stop_writes_trigger(rocksdb_options_t* opt,
                                                    int v) {
  opt->rep.level0_stop_writes_trigger = v;
}

int rocksdb_options_get_level0_stop_writes_trigger(rocksdb_options_t* opt) {
  return opt->rep.level0_stop_writes_trigger;
}

void rocksdb_options_set_target_file_size_base(rocksdb_options_t* opt,
                                               uint64_t v) {
  opt->rep.target_file_size_base = v;
}

uint64_t rocksdb_options_get_target_file_size_base(rocksdb_options_t* opt) {
  return opt->rep.target_file_size_base;
}

void rocksdb_options_set_target_file_size_multiplier(rocksdb_options_t* opt,
                                                     int v) {
  opt->rep.target_file_size_multiplier = v;
}

int rocksdb_options_get_target_file_size_multiplier(rocksdb_options_t* opt) {
  return opt->rep.target_file_size_multiplier;
}

void rocksdb_options_set_target_file_size_is_upper_bound(rocksdb_options_t* opt,
                                                         unsigned char v) {
  opt->rep.target_file_size_is_upper_bound = v;
}

unsigned char rocksdb_options_get_target_file_size_is_upper_bound(
    rocksdb_options_t* opt) {
  return opt->rep.target_file_size_is_upper_bound;
}

void rocksdb_options_set_level_compaction_dynamic_level_bytes(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.level_compaction_dynamic_level_bytes = v;
}

unsigned char rocksdb_options_get_level_compaction_dynamic_level_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.level_compaction_dynamic_level_bytes;
}

void rocksdb_options_set_max_bytes_for_level_multiplier(rocksdb_options_t* opt,
                                                        double v) {
  opt->rep.max_bytes_for_level_multiplier = v;
}

double rocksdb_options_get_max_bytes_for_level_multiplier(
    rocksdb_options_t* opt) {
  return opt->rep.max_bytes_for_level_multiplier;
}

void rocksdb_options_set_max_compaction_bytes(rocksdb_options_t* opt,
                                              uint64_t v) {
  opt->rep.max_compaction_bytes = v;
}

uint64_t rocksdb_options_get_max_compaction_bytes(rocksdb_options_t* opt) {
  return opt->rep.max_compaction_bytes;
}

void rocksdb_options_set_compaction_style(rocksdb_options_t* opt, int v) {
  opt->rep.compaction_style =
      static_cast<decltype(opt->rep.compaction_style)>(v);
}

int rocksdb_options_get_compaction_style(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.compaction_style);
}

void rocksdb_options_set_compaction_pri(rocksdb_options_t* opt, int v) {
  opt->rep.compaction_pri = static_cast<decltype(opt->rep.compaction_pri)>(v);
}

int rocksdb_options_get_compaction_pri(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.compaction_pri);
}

void rocksdb_options_set_max_sequential_skip_in_iterations(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.max_sequential_skip_in_iterations = v;
}

uint64_t rocksdb_options_get_max_sequential_skip_in_iterations(
    rocksdb_options_t* opt) {
  return opt->rep.max_sequential_skip_in_iterations;
}

void rocksdb_options_set_max_successive_merges(rocksdb_options_t* opt,
                                               size_t v) {
  opt->rep.max_successive_merges = v;
}

size_t rocksdb_options_get_max_successive_merges(rocksdb_options_t* opt) {
  return opt->rep.max_successive_merges;
}

void rocksdb_options_set_strict_max_successive_merges(rocksdb_options_t* opt,
                                                      unsigned char v) {
  opt->rep.strict_max_successive_merges = v;
}

unsigned char rocksdb_options_get_strict_max_successive_merges(
    rocksdb_options_t* opt) {
  return opt->rep.strict_max_successive_merges;
}

unsigned char rocksdb_options_get_optimize_filters_for_hits(
    rocksdb_options_t* opt) {
  return opt->rep.optimize_filters_for_hits;
}

void rocksdb_options_set_paranoid_file_checks(rocksdb_options_t* opt,
                                              unsigned char v) {
  opt->rep.paranoid_file_checks = v;
}

unsigned char rocksdb_options_get_paranoid_file_checks(rocksdb_options_t* opt) {
  return opt->rep.paranoid_file_checks;
}

void rocksdb_options_set_verify_output_flags(rocksdb_options_t* opt, int v) {
  opt->rep.verify_output_flags =
      static_cast<decltype(opt->rep.verify_output_flags)>(v);
}

int rocksdb_options_get_verify_output_flags(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.verify_output_flags);
}

void rocksdb_options_set_force_consistency_checks(rocksdb_options_t* opt,
                                                  unsigned char v) {
  opt->rep.force_consistency_checks = v;
}

unsigned char rocksdb_options_get_force_consistency_checks(
    rocksdb_options_t* opt) {
  return opt->rep.force_consistency_checks;
}

unsigned char rocksdb_options_get_report_bg_io_stats(rocksdb_options_t* opt) {
  return opt->rep.report_bg_io_stats;
}

void rocksdb_options_set_disallow_memtable_writes(rocksdb_options_t* opt,
                                                  unsigned char v) {
  opt->rep.disallow_memtable_writes = v;
}

unsigned char rocksdb_options_get_disallow_memtable_writes(
    rocksdb_options_t* opt) {
  return opt->rep.disallow_memtable_writes;
}

void rocksdb_options_set_ttl(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.ttl = v;
}

uint64_t rocksdb_options_get_ttl(rocksdb_options_t* opt) {
  return opt->rep.ttl;
}

void rocksdb_options_set_periodic_compaction_seconds(rocksdb_options_t* opt,
                                                     uint64_t v) {
  opt->rep.periodic_compaction_seconds = v;
}

uint64_t rocksdb_options_get_periodic_compaction_seconds(
    rocksdb_options_t* opt) {
  return opt->rep.periodic_compaction_seconds;
}

void rocksdb_options_set_read_triggered_compaction_threshold(
    rocksdb_options_t* opt, double v) {
  opt->rep.read_triggered_compaction_threshold = v;
}

double rocksdb_options_get_read_triggered_compaction_threshold(
    rocksdb_options_t* opt) {
  return opt->rep.read_triggered_compaction_threshold;
}

void rocksdb_options_set_sample_for_compression(rocksdb_options_t* opt,
                                                uint64_t v) {
  opt->rep.sample_for_compression = v;
}

uint64_t rocksdb_options_get_sample_for_compression(rocksdb_options_t* opt) {
  return opt->rep.sample_for_compression;
}

void rocksdb_options_set_last_level_temperature(rocksdb_options_t* opt, int v) {
  opt->rep.last_level_temperature =
      static_cast<decltype(opt->rep.last_level_temperature)>(v);
}

int rocksdb_options_get_last_level_temperature(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.last_level_temperature);
}

void rocksdb_options_set_default_write_temperature(rocksdb_options_t* opt,
                                                   int v) {
  opt->rep.default_write_temperature =
      static_cast<decltype(opt->rep.default_write_temperature)>(v);
}

int rocksdb_options_get_default_write_temperature(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.default_write_temperature);
}

void rocksdb_options_set_default_temperature(rocksdb_options_t* opt, int v) {
  opt->rep.default_temperature =
      static_cast<decltype(opt->rep.default_temperature)>(v);
}

int rocksdb_options_get_default_temperature(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.default_temperature);
}

void rocksdb_options_set_preclude_last_level_data_seconds(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.preclude_last_level_data_seconds = v;
}

uint64_t rocksdb_options_get_preclude_last_level_data_seconds(
    rocksdb_options_t* opt) {
  return opt->rep.preclude_last_level_data_seconds;
}

void rocksdb_options_set_preserve_internal_time_seconds(rocksdb_options_t* opt,
                                                        uint64_t v) {
  opt->rep.preserve_internal_time_seconds = v;
}

uint64_t rocksdb_options_get_preserve_internal_time_seconds(
    rocksdb_options_t* opt) {
  return opt->rep.preserve_internal_time_seconds;
}

void rocksdb_options_set_enable_blob_files(rocksdb_options_t* opt,
                                           unsigned char v) {
  opt->rep.enable_blob_files = v;
}

unsigned char rocksdb_options_get_enable_blob_files(rocksdb_options_t* opt) {
  return opt->rep.enable_blob_files;
}

void rocksdb_options_set_min_blob_size(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.min_blob_size = v;
}

uint64_t rocksdb_options_get_min_blob_size(rocksdb_options_t* opt) {
  return opt->rep.min_blob_size;
}

void rocksdb_options_set_blob_file_size(rocksdb_options_t* opt, uint64_t v) {
  opt->rep.blob_file_size = v;
}

uint64_t rocksdb_options_get_blob_file_size(rocksdb_options_t* opt) {
  return opt->rep.blob_file_size;
}

void rocksdb_options_set_blob_compression_type(rocksdb_options_t* opt, int v) {
  opt->rep.blob_compression_type =
      static_cast<decltype(opt->rep.blob_compression_type)>(v);
}

int rocksdb_options_get_blob_compression_type(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.blob_compression_type);
}

void rocksdb_options_set_enable_blob_gc(rocksdb_options_t* opt,
                                        unsigned char v) {
  opt->rep.enable_blob_garbage_collection = v;
}

unsigned char rocksdb_options_get_enable_blob_gc(rocksdb_options_t* opt) {
  return opt->rep.enable_blob_garbage_collection;
}

void rocksdb_options_set_blob_gc_age_cutoff(rocksdb_options_t* opt, double v) {
  opt->rep.blob_garbage_collection_age_cutoff = v;
}

double rocksdb_options_get_blob_gc_age_cutoff(rocksdb_options_t* opt) {
  return opt->rep.blob_garbage_collection_age_cutoff;
}

void rocksdb_options_set_blob_gc_force_threshold(rocksdb_options_t* opt,
                                                 double v) {
  opt->rep.blob_garbage_collection_force_threshold = v;
}

double rocksdb_options_get_blob_gc_force_threshold(rocksdb_options_t* opt) {
  return opt->rep.blob_garbage_collection_force_threshold;
}

void rocksdb_options_set_blob_compaction_readahead_size(rocksdb_options_t* opt,
                                                        uint64_t v) {
  opt->rep.blob_compaction_readahead_size = v;
}

uint64_t rocksdb_options_get_blob_compaction_readahead_size(
    rocksdb_options_t* opt) {
  return opt->rep.blob_compaction_readahead_size;
}

void rocksdb_options_set_blob_file_starting_level(rocksdb_options_t* opt,
                                                  int v) {
  opt->rep.blob_file_starting_level = v;
}

int rocksdb_options_get_blob_file_starting_level(rocksdb_options_t* opt) {
  return opt->rep.blob_file_starting_level;
}

void rocksdb_options_set_prepopulate_blob_cache(rocksdb_options_t* opt, int v) {
  opt->rep.prepopulate_blob_cache =
      static_cast<decltype(opt->rep.prepopulate_blob_cache)>(v);
}

int rocksdb_options_get_prepopulate_blob_cache(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.prepopulate_blob_cache);
}

void rocksdb_options_set_enable_blob_direct_write(rocksdb_options_t* opt,
                                                  unsigned char v) {
  opt->rep.enable_blob_direct_write = v;
}

unsigned char rocksdb_options_get_enable_blob_direct_write(
    rocksdb_options_t* opt) {
  return opt->rep.enable_blob_direct_write;
}

void rocksdb_options_set_blob_direct_write_partitions(rocksdb_options_t* opt,
                                                      uint32_t v) {
  opt->rep.blob_direct_write_partitions = v;
}

uint32_t rocksdb_options_get_blob_direct_write_partitions(
    rocksdb_options_t* opt) {
  return opt->rep.blob_direct_write_partitions;
}

void rocksdb_options_set_memtable_protection_bytes_per_key(
    rocksdb_options_t* opt, uint32_t v) {
  opt->rep.memtable_protection_bytes_per_key = v;
}

uint32_t rocksdb_options_get_memtable_protection_bytes_per_key(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_protection_bytes_per_key;
}

void rocksdb_options_set_persist_user_defined_timestamps(rocksdb_options_t* opt,
                                                         unsigned char v) {
  opt->rep.persist_user_defined_timestamps = v;
}

unsigned char rocksdb_options_get_persist_user_defined_timestamps(
    rocksdb_options_t* opt) {
  return opt->rep.persist_user_defined_timestamps;
}

void rocksdb_options_set_block_protection_bytes_per_key(rocksdb_options_t* opt,
                                                        uint8_t v) {
  opt->rep.block_protection_bytes_per_key = v;
}

uint8_t rocksdb_options_get_block_protection_bytes_per_key(
    rocksdb_options_t* opt) {
  return opt->rep.block_protection_bytes_per_key;
}

void rocksdb_options_set_bottommost_file_compaction_delay(
    rocksdb_options_t* opt, uint32_t v) {
  opt->rep.bottommost_file_compaction_delay = v;
}

uint32_t rocksdb_options_get_bottommost_file_compaction_delay(
    rocksdb_options_t* opt) {
  return opt->rep.bottommost_file_compaction_delay;
}

void rocksdb_options_set_paranoid_memory_checks(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.paranoid_memory_checks = v;
}

unsigned char rocksdb_options_get_paranoid_memory_checks(
    rocksdb_options_t* opt) {
  return opt->rep.paranoid_memory_checks;
}

void rocksdb_options_set_memtable_verify_per_key_checksum_on_seek(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.memtable_verify_per_key_checksum_on_seek = v;
}

unsigned char rocksdb_options_get_memtable_verify_per_key_checksum_on_seek(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_verify_per_key_checksum_on_seek;
}

void rocksdb_options_set_memtable_op_scan_flush_trigger(rocksdb_options_t* opt,
                                                        uint32_t v) {
  opt->rep.memtable_op_scan_flush_trigger = v;
}

uint32_t rocksdb_options_get_memtable_op_scan_flush_trigger(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_op_scan_flush_trigger;
}

void rocksdb_options_set_memtable_avg_op_scan_flush_trigger(
    rocksdb_options_t* opt, uint32_t v) {
  opt->rep.memtable_avg_op_scan_flush_trigger = v;
}

uint32_t rocksdb_options_get_memtable_avg_op_scan_flush_trigger(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_avg_op_scan_flush_trigger;
}

void rocksdb_options_set_min_tombstones_for_range_conversion(
    rocksdb_options_t* opt, uint32_t v) {
  opt->rep.min_tombstones_for_range_conversion = v;
}

uint32_t rocksdb_options_get_min_tombstones_for_range_conversion(
    rocksdb_options_t* opt) {
  return opt->rep.min_tombstones_for_range_conversion;
}

void rocksdb_options_set_cf_allow_ingest_behind(rocksdb_options_t* opt,
                                                unsigned char v) {
  opt->rep.cf_allow_ingest_behind = v;
}

unsigned char rocksdb_options_get_cf_allow_ingest_behind(
    rocksdb_options_t* opt) {
  return opt->rep.cf_allow_ingest_behind;
}

void rocksdb_options_set_memtable_batch_lookup_optimization(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.memtable_batch_lookup_optimization = v;
}

unsigned char rocksdb_options_get_memtable_batch_lookup_optimization(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_batch_lookup_optimization;
}

/* ColumnFamilyOptions */

void rocksdb_options_set_write_buffer_size(rocksdb_options_t* opt, size_t v) {
  opt->rep.write_buffer_size = v;
}

size_t rocksdb_options_get_write_buffer_size(rocksdb_options_t* opt) {
  return opt->rep.write_buffer_size;
}

void rocksdb_options_set_compression(rocksdb_options_t* opt, int v) {
  opt->rep.compression = static_cast<decltype(opt->rep.compression)>(v);
}

int rocksdb_options_get_compression(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.compression);
}

void rocksdb_options_set_bottommost_compression(rocksdb_options_t* opt, int v) {
  opt->rep.bottommost_compression =
      static_cast<decltype(opt->rep.bottommost_compression)>(v);
}

int rocksdb_options_get_bottommost_compression(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.bottommost_compression);
}

void rocksdb_options_set_level0_file_num_compaction_trigger(
    rocksdb_options_t* opt, int v) {
  opt->rep.level0_file_num_compaction_trigger = v;
}

int rocksdb_options_get_level0_file_num_compaction_trigger(
    rocksdb_options_t* opt) {
  return opt->rep.level0_file_num_compaction_trigger;
}

void rocksdb_options_set_max_bytes_for_level_base(rocksdb_options_t* opt,
                                                  uint64_t v) {
  opt->rep.max_bytes_for_level_base = v;
}

uint64_t rocksdb_options_get_max_bytes_for_level_base(rocksdb_options_t* opt) {
  return opt->rep.max_bytes_for_level_base;
}

unsigned char rocksdb_options_get_disable_auto_compactions(
    rocksdb_options_t* opt) {
  return opt->rep.disable_auto_compactions;
}

void rocksdb_options_set_memtable_max_range_deletions(rocksdb_options_t* opt,
                                                      uint32_t v) {
  opt->rep.memtable_max_range_deletions = v;
}

uint32_t rocksdb_options_get_memtable_max_range_deletions(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_max_range_deletions;
}

void rocksdb_options_set_uncache_aggressiveness(rocksdb_options_t* opt,
                                                uint32_t v) {
  opt->rep.uncache_aggressiveness = v;
}

uint32_t rocksdb_options_get_uncache_aggressiveness(rocksdb_options_t* opt) {
  return opt->rep.uncache_aggressiveness;
}

/* WriteOptions */

void rocksdb_writeoptions_set_sync(rocksdb_writeoptions_t* opt,
                                   unsigned char v) {
  opt->rep.sync = v;
}

unsigned char rocksdb_writeoptions_get_sync(rocksdb_writeoptions_t* opt) {
  return opt->rep.sync;
}

void rocksdb_writeoptions_disable_WAL(rocksdb_writeoptions_t* opt, int v) {
  opt->rep.disableWAL = static_cast<decltype(opt->rep.disableWAL)>(v);
}

unsigned char rocksdb_writeoptions_get_disable_WAL(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.disableWAL;
}

void rocksdb_writeoptions_set_ignore_missing_column_families(
    rocksdb_writeoptions_t* opt, unsigned char v) {
  opt->rep.ignore_missing_column_families = v;
}

unsigned char rocksdb_writeoptions_get_ignore_missing_column_families(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.ignore_missing_column_families;
}

void rocksdb_writeoptions_set_no_slowdown(rocksdb_writeoptions_t* opt,
                                          unsigned char v) {
  opt->rep.no_slowdown = v;
}

unsigned char rocksdb_writeoptions_get_no_slowdown(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.no_slowdown;
}

void rocksdb_writeoptions_set_low_pri(rocksdb_writeoptions_t* opt,
                                      unsigned char v) {
  opt->rep.low_pri = v;
}

unsigned char rocksdb_writeoptions_get_low_pri(rocksdb_writeoptions_t* opt) {
  return opt->rep.low_pri;
}

void rocksdb_writeoptions_set_memtable_insert_hint_per_batch(
    rocksdb_writeoptions_t* opt, unsigned char v) {
  opt->rep.memtable_insert_hint_per_batch = v;
}

unsigned char rocksdb_writeoptions_get_memtable_insert_hint_per_batch(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.memtable_insert_hint_per_batch;
}

void rocksdb_writeoptions_set_rate_limiter_priority(rocksdb_writeoptions_t* opt,
                                                    int v) {
  opt->rep.rate_limiter_priority =
      static_cast<decltype(opt->rep.rate_limiter_priority)>(v);
}

int rocksdb_writeoptions_get_rate_limiter_priority(
    rocksdb_writeoptions_t* opt) {
  return static_cast<int>(opt->rep.rate_limiter_priority);
}

void rocksdb_writeoptions_set_protection_bytes_per_key(
    rocksdb_writeoptions_t* opt, size_t v) {
  opt->rep.protection_bytes_per_key = v;
}

size_t rocksdb_writeoptions_get_protection_bytes_per_key(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.protection_bytes_per_key;
}

void rocksdb_writeoptions_set_io_activity(rocksdb_writeoptions_t* opt, int v) {
  opt->rep.io_activity = static_cast<decltype(opt->rep.io_activity)>(v);
}

int rocksdb_writeoptions_get_io_activity(rocksdb_writeoptions_t* opt) {
  return static_cast<int>(opt->rep.io_activity);
}

/* FlushOptions */

void rocksdb_flushoptions_set_wait(rocksdb_flushoptions_t* opt,
                                   unsigned char v) {
  opt->rep.wait = v;
}

unsigned char rocksdb_flushoptions_get_wait(rocksdb_flushoptions_t* opt) {
  return opt->rep.wait;
}

void rocksdb_flushoptions_set_allow_write_stall(rocksdb_flushoptions_t* opt,
                                                unsigned char v) {
  opt->rep.allow_write_stall = v;
}

unsigned char rocksdb_flushoptions_get_allow_write_stall(
    rocksdb_flushoptions_t* opt) {
  return opt->rep.allow_write_stall;
}

void rocksdb_flushoptions_set_force_atomic_flush(rocksdb_flushoptions_t* opt,
                                                 unsigned char v) {
  opt->rep.force_atomic_flush = v;
}

unsigned char rocksdb_flushoptions_get_force_atomic_flush(
    rocksdb_flushoptions_t* opt) {
  return opt->rep.force_atomic_flush;
}

/* FlushWALOptions */

void rocksdb_flushwaloptions_set_sync(rocksdb_flushwaloptions_t* opt,
                                      unsigned char v) {
  opt->rep.sync = v;
}

unsigned char rocksdb_flushwaloptions_get_sync(rocksdb_flushwaloptions_t* opt) {
  return opt->rep.sync;
}

void rocksdb_flushwaloptions_set_rate_limiter_priority(
    rocksdb_flushwaloptions_t* opt, int v) {
  opt->rep.rate_limiter_priority =
      static_cast<decltype(opt->rep.rate_limiter_priority)>(v);
}

int rocksdb_flushwaloptions_get_rate_limiter_priority(
    rocksdb_flushwaloptions_t* opt) {
  return static_cast<int>(opt->rep.rate_limiter_priority);
}

/* EnvOptions */

void rocksdb_envoptions_set_use_mmap_reads(rocksdb_envoptions_t* opt,
                                           unsigned char v) {
  opt->rep.use_mmap_reads = v;
}

unsigned char rocksdb_envoptions_get_use_mmap_reads(rocksdb_envoptions_t* opt) {
  return opt->rep.use_mmap_reads;
}

void rocksdb_envoptions_set_use_mmap_writes(rocksdb_envoptions_t* opt,
                                            unsigned char v) {
  opt->rep.use_mmap_writes = v;
}

unsigned char rocksdb_envoptions_get_use_mmap_writes(
    rocksdb_envoptions_t* opt) {
  return opt->rep.use_mmap_writes;
}

void rocksdb_envoptions_set_use_direct_reads(rocksdb_envoptions_t* opt,
                                             unsigned char v) {
  opt->rep.use_direct_reads = v;
}

unsigned char rocksdb_envoptions_get_use_direct_reads(
    rocksdb_envoptions_t* opt) {
  return opt->rep.use_direct_reads;
}

void rocksdb_envoptions_set_use_direct_writes(rocksdb_envoptions_t* opt,
                                              unsigned char v) {
  opt->rep.use_direct_writes = v;
}

unsigned char rocksdb_envoptions_get_use_direct_writes(
    rocksdb_envoptions_t* opt) {
  return opt->rep.use_direct_writes;
}

void rocksdb_envoptions_set_allow_fallocate(rocksdb_envoptions_t* opt,
                                            unsigned char v) {
  opt->rep.allow_fallocate = v;
}

unsigned char rocksdb_envoptions_get_allow_fallocate(
    rocksdb_envoptions_t* opt) {
  return opt->rep.allow_fallocate;
}

void rocksdb_envoptions_set_fd_cloexec(rocksdb_envoptions_t* opt,
                                       unsigned char v) {
  opt->rep.set_fd_cloexec = v;
}

unsigned char rocksdb_envoptions_get_fd_cloexec(rocksdb_envoptions_t* opt) {
  return opt->rep.set_fd_cloexec;
}

void rocksdb_envoptions_set_bytes_per_sync(rocksdb_envoptions_t* opt,
                                           uint64_t v) {
  opt->rep.bytes_per_sync = v;
}

uint64_t rocksdb_envoptions_get_bytes_per_sync(rocksdb_envoptions_t* opt) {
  return opt->rep.bytes_per_sync;
}

void rocksdb_envoptions_set_strict_bytes_per_sync(rocksdb_envoptions_t* opt,
                                                  unsigned char v) {
  opt->rep.strict_bytes_per_sync = v;
}

unsigned char rocksdb_envoptions_get_strict_bytes_per_sync(
    rocksdb_envoptions_t* opt) {
  return opt->rep.strict_bytes_per_sync;
}

void rocksdb_envoptions_set_fallocate_with_keep_size(rocksdb_envoptions_t* opt,
                                                     unsigned char v) {
  opt->rep.fallocate_with_keep_size = v;
}

unsigned char rocksdb_envoptions_get_fallocate_with_keep_size(
    rocksdb_envoptions_t* opt) {
  return opt->rep.fallocate_with_keep_size;
}

void rocksdb_envoptions_set_compaction_readahead_size(rocksdb_envoptions_t* opt,
                                                      size_t v) {
  opt->rep.compaction_readahead_size = v;
}

size_t rocksdb_envoptions_get_compaction_readahead_size(
    rocksdb_envoptions_t* opt) {
  return opt->rep.compaction_readahead_size;
}

void rocksdb_envoptions_set_writable_file_max_buffer_size(
    rocksdb_envoptions_t* opt, size_t v) {
  opt->rep.writable_file_max_buffer_size = v;
}

size_t rocksdb_envoptions_get_writable_file_max_buffer_size(
    rocksdb_envoptions_t* opt) {
  return opt->rep.writable_file_max_buffer_size;
}

/* TraceOptions */

void rocksdb_trace_options_set_max_trace_file_size(rocksdb_trace_options_t* opt,
                                                   uint64_t v) {
  opt->rep.max_trace_file_size = v;
}

uint64_t rocksdb_trace_options_get_max_trace_file_size(
    rocksdb_trace_options_t* opt) {
  return opt->rep.max_trace_file_size;
}

void rocksdb_trace_options_set_sampling_frequency(rocksdb_trace_options_t* opt,
                                                  uint64_t v) {
  opt->rep.sampling_frequency = v;
}

uint64_t rocksdb_trace_options_get_sampling_frequency(
    rocksdb_trace_options_t* opt) {
  return opt->rep.sampling_frequency;
}

void rocksdb_trace_options_set_filter(rocksdb_trace_options_t* opt,
                                      uint64_t v) {
  opt->rep.filter = v;
}

uint64_t rocksdb_trace_options_get_filter(rocksdb_trace_options_t* opt) {
  return opt->rep.filter;
}

void rocksdb_trace_options_set_preserve_write_order(
    rocksdb_trace_options_t* opt, unsigned char v) {
  opt->rep.preserve_write_order = v;
}

unsigned char rocksdb_trace_options_get_preserve_write_order(
    rocksdb_trace_options_t* opt) {
  return opt->rep.preserve_write_order;
}

/* BlockCacheTraceOptions */

void rocksdb_block_cache_trace_options_set_sampling_frequency(
    rocksdb_block_cache_trace_options_t* opt, uint64_t v) {
  opt->rep.sampling_frequency = v;
}

uint64_t rocksdb_block_cache_trace_options_get_sampling_frequency(
    rocksdb_block_cache_trace_options_t* opt) {
  return opt->rep.sampling_frequency;
}

/* BlockCacheTraceWriterOptions */

void rocksdb_block_cache_trace_writer_options_set_max_trace_file_size(
    rocksdb_block_cache_trace_writer_options_t* opt, uint64_t v) {
  opt->rep.max_trace_file_size = v;
}

uint64_t rocksdb_block_cache_trace_writer_options_get_max_trace_file_size(
    rocksdb_block_cache_trace_writer_options_t* opt) {
  return opt->rep.max_trace_file_size;
}

/* CompactionOptions */

void rocksdb_compaction_options_set_compression(
    rocksdb_compaction_options_t* opt, int v) {
  opt->rep.compression = static_cast<decltype(opt->rep.compression)>(v);
}

int rocksdb_compaction_options_get_compression(
    rocksdb_compaction_options_t* opt) {
  return static_cast<int>(opt->rep.compression);
}

void rocksdb_compaction_options_set_output_file_size_limit(
    rocksdb_compaction_options_t* opt, uint64_t v) {
  opt->rep.output_file_size_limit = v;
}

uint64_t rocksdb_compaction_options_get_output_file_size_limit(
    rocksdb_compaction_options_t* opt) {
  return opt->rep.output_file_size_limit;
}

void rocksdb_compaction_options_set_max_subcompactions(
    rocksdb_compaction_options_t* opt, uint32_t v) {
  opt->rep.max_subcompactions = v;
}

uint32_t rocksdb_compaction_options_get_max_subcompactions(
    rocksdb_compaction_options_t* opt) {
  return opt->rep.max_subcompactions;
}

void rocksdb_compaction_options_set_output_temperature_override(
    rocksdb_compaction_options_t* opt, int v) {
  opt->rep.output_temperature_override =
      static_cast<decltype(opt->rep.output_temperature_override)>(v);
}

int rocksdb_compaction_options_get_output_temperature_override(
    rocksdb_compaction_options_t* opt) {
  return static_cast<int>(opt->rep.output_temperature_override);
}

void rocksdb_compaction_options_set_allow_trivial_move(
    rocksdb_compaction_options_t* opt, unsigned char v) {
  opt->rep.allow_trivial_move = v;
}

unsigned char rocksdb_compaction_options_get_allow_trivial_move(
    rocksdb_compaction_options_t* opt) {
  return opt->rep.allow_trivial_move;
}

/* CompactRangeOptions */

void rocksdb_compactoptions_set_blob_garbage_collection_policy(
    rocksdb_compactoptions_t* opt, int v) {
  opt->rep.blob_garbage_collection_policy =
      static_cast<decltype(opt->rep.blob_garbage_collection_policy)>(v);
}

int rocksdb_compactoptions_get_blob_garbage_collection_policy(
    rocksdb_compactoptions_t* opt) {
  return static_cast<int>(opt->rep.blob_garbage_collection_policy);
}

void rocksdb_compactoptions_set_blob_garbage_collection_age_cutoff(
    rocksdb_compactoptions_t* opt, double v) {
  opt->rep.blob_garbage_collection_age_cutoff = v;
}

double rocksdb_compactoptions_get_blob_garbage_collection_age_cutoff(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.blob_garbage_collection_age_cutoff;
}

/* IngestExternalFileOptions */

unsigned char rocksdb_ingestexternalfileoptions_get_move_files(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.move_files;
}

void rocksdb_ingestexternalfileoptions_set_link_files(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.link_files = v;
}

unsigned char rocksdb_ingestexternalfileoptions_get_link_files(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.link_files;
}

void rocksdb_ingestexternalfileoptions_set_failed_move_fall_back_to_copy(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.failed_move_fall_back_to_copy = v;
}

unsigned char
rocksdb_ingestexternalfileoptions_get_failed_move_fall_back_to_copy(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.failed_move_fall_back_to_copy;
}

unsigned char rocksdb_ingestexternalfileoptions_get_snapshot_consistency(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.snapshot_consistency;
}

unsigned char rocksdb_ingestexternalfileoptions_get_allow_global_seqno(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.allow_global_seqno;
}

unsigned char rocksdb_ingestexternalfileoptions_get_allow_blocking_flush(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.allow_blocking_flush;
}

unsigned char rocksdb_ingestexternalfileoptions_get_ingest_behind(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.ingest_behind;
}

void rocksdb_ingestexternalfileoptions_set_write_global_seqno(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.write_global_seqno = v;
}

unsigned char rocksdb_ingestexternalfileoptions_get_write_global_seqno(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.write_global_seqno;
}

void rocksdb_ingestexternalfileoptions_set_verify_checksums_before_ingest(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.verify_checksums_before_ingest = v;
}

unsigned char
rocksdb_ingestexternalfileoptions_get_verify_checksums_before_ingest(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.verify_checksums_before_ingest;
}

void rocksdb_ingestexternalfileoptions_set_verify_checksums_readahead_size(
    rocksdb_ingestexternalfileoptions_t* opt, size_t v) {
  opt->rep.verify_checksums_readahead_size = v;
}

size_t rocksdb_ingestexternalfileoptions_get_verify_checksums_readahead_size(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.verify_checksums_readahead_size;
}

void rocksdb_ingestexternalfileoptions_set_verify_file_checksum(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.verify_file_checksum = v;
}

unsigned char rocksdb_ingestexternalfileoptions_get_verify_file_checksum(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.verify_file_checksum;
}

unsigned char
rocksdb_ingestexternalfileoptions_get_fail_if_not_bottommost_level(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.fail_if_not_bottommost_level;
}

void rocksdb_ingestexternalfileoptions_set_allow_db_generated_files(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.allow_db_generated_files = v;
}

unsigned char rocksdb_ingestexternalfileoptions_get_allow_db_generated_files(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.allow_db_generated_files;
}

void rocksdb_ingestexternalfileoptions_set_fill_cache(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.fill_cache = v;
}

unsigned char rocksdb_ingestexternalfileoptions_get_fill_cache(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.fill_cache;
}

void rocksdb_ingestexternalfileoptions_set_prefetch_lmax_index_and_filter_blocks(
    rocksdb_ingestexternalfileoptions_t* opt, unsigned char v) {
  opt->rep.prefetch_lmax_index_and_filter_blocks = v;
}

unsigned char
rocksdb_ingestexternalfileoptions_get_prefetch_lmax_index_and_filter_blocks(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.prefetch_lmax_index_and_filter_blocks;
}

void rocksdb_ingestexternalfileoptions_set_file_opening_threads(
    rocksdb_ingestexternalfileoptions_t* opt, int v) {
  opt->rep.file_opening_threads = v;
}

int rocksdb_ingestexternalfileoptions_get_file_opening_threads(
    rocksdb_ingestexternalfileoptions_t* opt) {
  return opt->rep.file_opening_threads;
}

/* OpenAndCompactOptions */

unsigned char rocksdb_open_and_compact_options_get_allow_resumption(
    rocksdb_open_and_compact_options_t* opt) {
  return opt->rep.allow_resumption;
}

/* ImportColumnFamilyOptions */

unsigned char rocksdb_import_column_family_options_get_move_files(
    rocksdb_import_column_family_options_t* opt) {
  return opt->rep.move_files;
}

/* SizeApproximationOptions */

void rocksdb_size_approximation_options_set_include_memtables(
    rocksdb_size_approximation_options_t* opt, unsigned char v) {
  opt->rep.include_memtables = v;
}

unsigned char rocksdb_size_approximation_options_get_include_memtables(
    rocksdb_size_approximation_options_t* opt) {
  return opt->rep.include_memtables;
}

void rocksdb_size_approximation_options_set_include_files(
    rocksdb_size_approximation_options_t* opt, unsigned char v) {
  opt->rep.include_files = v;
}

unsigned char rocksdb_size_approximation_options_get_include_files(
    rocksdb_size_approximation_options_t* opt) {
  return opt->rep.include_files;
}

void rocksdb_size_approximation_options_set_include_blob_files(
    rocksdb_size_approximation_options_t* opt, unsigned char v) {
  opt->rep.include_blob_files = v;
}

unsigned char rocksdb_size_approximation_options_get_include_blob_files(
    rocksdb_size_approximation_options_t* opt) {
  return opt->rep.include_blob_files;
}

void rocksdb_size_approximation_options_set_files_size_error_margin(
    rocksdb_size_approximation_options_t* opt, double v) {
  opt->rep.files_size_error_margin = v;
}

double rocksdb_size_approximation_options_get_files_size_error_margin(
    rocksdb_size_approximation_options_t* opt) {
  return opt->rep.files_size_error_margin;
}

/* LiveFilesStorageInfoOptions */

void rocksdb_livefiles_storage_info_options_set_include_checksum_info(
    rocksdb_livefiles_storage_info_options_t* opt, unsigned char v) {
  opt->rep.include_checksum_info = v;
}

unsigned char rocksdb_livefiles_storage_info_options_get_include_checksum_info(
    rocksdb_livefiles_storage_info_options_t* opt) {
  return opt->rep.include_checksum_info;
}

void rocksdb_livefiles_storage_info_options_set_wal_size_for_flush(
    rocksdb_livefiles_storage_info_options_t* opt, uint64_t v) {
  opt->rep.wal_size_for_flush = v;
}

uint64_t rocksdb_livefiles_storage_info_options_get_wal_size_for_flush(
    rocksdb_livefiles_storage_info_options_t* opt) {
  return opt->rep.wal_size_for_flush;
}

void rocksdb_livefiles_storage_info_options_set_atomic_flush(
    rocksdb_livefiles_storage_info_options_t* opt, unsigned char v) {
  opt->rep.atomic_flush = v;
}

unsigned char rocksdb_livefiles_storage_info_options_get_atomic_flush(
    rocksdb_livefiles_storage_info_options_t* opt) {
  return opt->rep.atomic_flush;
}

/* GetColumnFamilyMetaDataOptions */

void rocksdb_column_family_metadata_options_set_level(
    rocksdb_column_family_metadata_options_t* opt, int v) {
  opt->rep.level = v;
}

int rocksdb_column_family_metadata_options_get_level(
    rocksdb_column_family_metadata_options_t* opt) {
  return opt->rep.level;
}

/* WaitForCompactOptions */

void rocksdb_wait_for_compact_options_set_wait_for_purge(
    rocksdb_wait_for_compact_options_t* opt, unsigned char v) {
  opt->rep.wait_for_purge = v;
}

unsigned char rocksdb_wait_for_compact_options_get_wait_for_purge(
    rocksdb_wait_for_compact_options_t* opt) {
  return opt->rep.wait_for_purge;
}

/* BlockBasedTableOptions */

void rocksdb_block_based_options_set_cache_index_and_filter_blocks(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.cache_index_and_filter_blocks = v;
}

unsigned char rocksdb_block_based_options_get_cache_index_and_filter_blocks(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.cache_index_and_filter_blocks;
}

void rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.cache_index_and_filter_blocks_with_high_priority = v;
}

unsigned char
rocksdb_block_based_options_get_cache_index_and_filter_blocks_with_high_priority(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.cache_index_and_filter_blocks_with_high_priority;
}

void rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.pin_l0_filter_and_index_blocks_in_cache = v;
}

unsigned char
rocksdb_block_based_options_get_pin_l0_filter_and_index_blocks_in_cache(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.pin_l0_filter_and_index_blocks_in_cache;
}

void rocksdb_block_based_options_set_pin_top_level_index_and_filter(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.pin_top_level_index_and_filter = v;
}

unsigned char rocksdb_block_based_options_get_pin_top_level_index_and_filter(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.pin_top_level_index_and_filter;
}

void rocksdb_block_based_options_set_index_type(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.index_type = static_cast<decltype(opt->rep.index_type)>(v);
}

int rocksdb_block_based_options_get_index_type(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.index_type);
}

void rocksdb_block_based_options_set_index_block_search_type(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.index_block_search_type =
      static_cast<decltype(opt->rep.index_block_search_type)>(v);
}

int rocksdb_block_based_options_get_index_block_search_type(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.index_block_search_type);
}

void rocksdb_block_based_options_set_data_block_index_type(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.data_block_index_type =
      static_cast<decltype(opt->rep.data_block_index_type)>(v);
}

int rocksdb_block_based_options_get_data_block_index_type(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.data_block_index_type);
}

void rocksdb_block_based_options_set_data_block_hash_table_util_ratio(
    rocksdb_block_based_table_options_t* opt, double v) {
  opt->rep.data_block_hash_table_util_ratio = v;
}

double rocksdb_block_based_options_get_data_block_hash_table_util_ratio(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.data_block_hash_table_util_ratio;
}

void rocksdb_block_based_options_set_checksum(
    rocksdb_block_based_table_options_t* opt, char v) {
  opt->rep.checksum = static_cast<decltype(opt->rep.checksum)>(v);
}

int rocksdb_block_based_options_get_checksum(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.checksum);
}

void rocksdb_block_based_options_set_no_block_cache(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.no_block_cache = v;
}

unsigned char rocksdb_block_based_options_get_no_block_cache(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.no_block_cache;
}

void rocksdb_block_based_options_set_block_size(
    rocksdb_block_based_table_options_t* opt, size_t v) {
  opt->rep.block_size = static_cast<decltype(opt->rep.block_size)>(v);
}

uint64_t rocksdb_block_based_options_get_block_size(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.block_size;
}

void rocksdb_block_based_options_set_block_size_deviation(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.block_size_deviation = v;
}

int rocksdb_block_based_options_get_block_size_deviation(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.block_size_deviation;
}

void rocksdb_block_based_options_set_block_restart_interval(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.block_restart_interval = v;
}

int rocksdb_block_based_options_get_block_restart_interval(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.block_restart_interval;
}

void rocksdb_block_based_options_set_index_block_restart_interval(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.index_block_restart_interval = v;
}

int rocksdb_block_based_options_get_index_block_restart_interval(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.index_block_restart_interval;
}

void rocksdb_block_based_options_set_metadata_block_size(
    rocksdb_block_based_table_options_t* opt, uint64_t v) {
  opt->rep.metadata_block_size = v;
}

uint64_t rocksdb_block_based_options_get_metadata_block_size(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.metadata_block_size;
}

void rocksdb_block_based_options_set_partition_filters(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.partition_filters = v;
}

unsigned char rocksdb_block_based_options_get_partition_filters(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.partition_filters;
}

void rocksdb_block_based_options_set_decouple_partitioned_filters(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.decouple_partitioned_filters = v;
}

unsigned char rocksdb_block_based_options_get_decouple_partitioned_filters(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.decouple_partitioned_filters;
}

void rocksdb_block_based_options_set_optimize_filters_for_memory(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.optimize_filters_for_memory = v;
}

unsigned char rocksdb_block_based_options_get_optimize_filters_for_memory(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.optimize_filters_for_memory;
}

void rocksdb_block_based_options_set_use_delta_encoding(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.use_delta_encoding = v;
}

unsigned char rocksdb_block_based_options_get_use_delta_encoding(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.use_delta_encoding;
}

void rocksdb_block_based_options_set_use_udi_as_primary_index(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.use_udi_as_primary_index = v;
}

unsigned char rocksdb_block_based_options_get_use_udi_as_primary_index(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.use_udi_as_primary_index;
}

void rocksdb_block_based_options_set_fail_if_no_udi_on_open(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.fail_if_no_udi_on_open = v;
}

unsigned char rocksdb_block_based_options_get_fail_if_no_udi_on_open(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.fail_if_no_udi_on_open;
}

void rocksdb_block_based_options_set_whole_key_filtering(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.whole_key_filtering = v;
}

unsigned char rocksdb_block_based_options_get_whole_key_filtering(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.whole_key_filtering;
}

void rocksdb_block_based_options_set_detect_filter_construct_corruption(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.detect_filter_construct_corruption = v;
}

unsigned char
rocksdb_block_based_options_get_detect_filter_construct_corruption(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.detect_filter_construct_corruption;
}

void rocksdb_block_based_options_set_verify_compression(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.verify_compression = v;
}

unsigned char rocksdb_block_based_options_get_verify_compression(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.verify_compression;
}

void rocksdb_block_based_options_set_read_amp_bytes_per_bit(
    rocksdb_block_based_table_options_t* opt, uint32_t v) {
  opt->rep.read_amp_bytes_per_bit = v;
}

uint32_t rocksdb_block_based_options_get_read_amp_bytes_per_bit(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.read_amp_bytes_per_bit;
}

void rocksdb_block_based_options_set_format_version(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.format_version = static_cast<decltype(opt->rep.format_version)>(v);
}

uint32_t rocksdb_block_based_options_get_format_version(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.format_version;
}

void rocksdb_block_based_options_set_separate_key_value_in_data_block(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.separate_key_value_in_data_block = v;
}

unsigned char rocksdb_block_based_options_get_separate_key_value_in_data_block(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.separate_key_value_in_data_block;
}

void rocksdb_block_based_options_set_uniform_cv_threshold(
    rocksdb_block_based_table_options_t* opt, double v) {
  opt->rep.uniform_cv_threshold = v;
}

double rocksdb_block_based_options_get_uniform_cv_threshold(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.uniform_cv_threshold;
}

void rocksdb_block_based_options_set_enable_index_compression(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.enable_index_compression = v;
}

unsigned char rocksdb_block_based_options_get_enable_index_compression(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.enable_index_compression;
}

void rocksdb_block_based_options_set_block_align(
    rocksdb_block_based_table_options_t* opt, unsigned char v) {
  opt->rep.block_align = v;
}

unsigned char rocksdb_block_based_options_get_block_align(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.block_align;
}

void rocksdb_block_based_options_set_super_block_alignment_size(
    rocksdb_block_based_table_options_t* opt, size_t v) {
  opt->rep.super_block_alignment_size = v;
}

size_t rocksdb_block_based_options_get_super_block_alignment_size(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.super_block_alignment_size;
}

void rocksdb_block_based_options_set_super_block_alignment_space_overhead_ratio(
    rocksdb_block_based_table_options_t* opt, size_t v) {
  opt->rep.super_block_alignment_space_overhead_ratio = v;
}

size_t
rocksdb_block_based_options_get_super_block_alignment_space_overhead_ratio(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.super_block_alignment_space_overhead_ratio;
}

void rocksdb_block_based_options_set_index_shortening(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.index_shortening =
      static_cast<decltype(opt->rep.index_shortening)>(v);
}

int rocksdb_block_based_options_get_index_shortening(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.index_shortening);
}

void rocksdb_block_based_options_set_max_auto_readahead_size(
    rocksdb_block_based_table_options_t* opt, size_t v) {
  opt->rep.max_auto_readahead_size = v;
}

size_t rocksdb_block_based_options_get_max_auto_readahead_size(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.max_auto_readahead_size;
}

void rocksdb_block_based_options_set_prepopulate_block_cache(
    rocksdb_block_based_table_options_t* opt, int v) {
  opt->rep.prepopulate_block_cache =
      static_cast<decltype(opt->rep.prepopulate_block_cache)>(v);
}

int rocksdb_block_based_options_get_prepopulate_block_cache(
    rocksdb_block_based_table_options_t* opt) {
  return static_cast<int>(opt->rep.prepopulate_block_cache);
}

void rocksdb_block_based_options_set_initial_auto_readahead_size(
    rocksdb_block_based_table_options_t* opt, size_t v) {
  opt->rep.initial_auto_readahead_size = v;
}

size_t rocksdb_block_based_options_get_initial_auto_readahead_size(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.initial_auto_readahead_size;
}

void rocksdb_block_based_options_set_num_file_reads_for_auto_readahead(
    rocksdb_block_based_table_options_t* opt, uint64_t v) {
  opt->rep.num_file_reads_for_auto_readahead = v;
}

uint64_t rocksdb_block_based_options_get_num_file_reads_for_auto_readahead(
    rocksdb_block_based_table_options_t* opt) {
  return opt->rep.num_file_reads_for_auto_readahead;
}

/* CuckooTableOptions */

void rocksdb_cuckoo_options_set_hash_table_ratio(
    rocksdb_cuckoo_table_options_t* opt, double v) {
  opt->rep.hash_table_ratio = v;
}

double rocksdb_cuckoo_options_get_hash_table_ratio(
    rocksdb_cuckoo_table_options_t* opt) {
  return opt->rep.hash_table_ratio;
}

void rocksdb_cuckoo_options_set_max_search_depth(
    rocksdb_cuckoo_table_options_t* opt, uint32_t v) {
  opt->rep.max_search_depth = v;
}

uint32_t rocksdb_cuckoo_options_get_max_search_depth(
    rocksdb_cuckoo_table_options_t* opt) {
  return opt->rep.max_search_depth;
}

void rocksdb_cuckoo_options_set_cuckoo_block_size(
    rocksdb_cuckoo_table_options_t* opt, uint32_t v) {
  opt->rep.cuckoo_block_size = v;
}

uint32_t rocksdb_cuckoo_options_get_cuckoo_block_size(
    rocksdb_cuckoo_table_options_t* opt) {
  return opt->rep.cuckoo_block_size;
}

void rocksdb_cuckoo_options_set_identity_as_first_hash(
    rocksdb_cuckoo_table_options_t* opt, unsigned char v) {
  opt->rep.identity_as_first_hash = v;
}

unsigned char rocksdb_cuckoo_options_get_identity_as_first_hash(
    rocksdb_cuckoo_table_options_t* opt) {
  return opt->rep.identity_as_first_hash;
}

void rocksdb_cuckoo_options_set_use_module_hash(
    rocksdb_cuckoo_table_options_t* opt, unsigned char v) {
  opt->rep.use_module_hash = v;
}

unsigned char rocksdb_cuckoo_options_get_use_module_hash(
    rocksdb_cuckoo_table_options_t* opt) {
  return opt->rep.use_module_hash;
}

/* CompactionOptionsUniversal */

void rocksdb_universal_compaction_options_set_max_read_amp(
    rocksdb_universal_compaction_options_t* opt, int v) {
  opt->rep->max_read_amp = v;
}

int rocksdb_universal_compaction_options_get_max_read_amp(
    rocksdb_universal_compaction_options_t* opt) {
  return opt->rep->max_read_amp;
}

void rocksdb_universal_compaction_options_set_allow_trivial_move(
    rocksdb_universal_compaction_options_t* opt, unsigned char v) {
  opt->rep->allow_trivial_move = v;
}

unsigned char rocksdb_universal_compaction_options_get_allow_trivial_move(
    rocksdb_universal_compaction_options_t* opt) {
  return opt->rep->allow_trivial_move;
}

void rocksdb_universal_compaction_options_set_incremental(
    rocksdb_universal_compaction_options_t* opt, unsigned char v) {
  opt->rep->incremental = v;
}

unsigned char rocksdb_universal_compaction_options_get_incremental(
    rocksdb_universal_compaction_options_t* opt) {
  return opt->rep->incremental;
}

void rocksdb_universal_compaction_options_set_reduce_file_locking(
    rocksdb_universal_compaction_options_t* opt, unsigned char v) {
  opt->rep->reduce_file_locking = v;
}

unsigned char rocksdb_universal_compaction_options_get_reduce_file_locking(
    rocksdb_universal_compaction_options_t* opt) {
  return opt->rep->reduce_file_locking;
}

/* CompactionOptionsFIFO */

void rocksdb_fifo_compaction_options_set_age_for_warm(
    rocksdb_fifo_compaction_options_t* opt, uint64_t v) {
  opt->rep.age_for_warm = v;
}

uint64_t rocksdb_fifo_compaction_options_get_age_for_warm(
    rocksdb_fifo_compaction_options_t* opt) {
  return opt->rep.age_for_warm;
}

void rocksdb_fifo_compaction_options_set_allow_trivial_copy_when_change_temperature(
    rocksdb_fifo_compaction_options_t* opt, unsigned char v) {
  opt->rep.allow_trivial_copy_when_change_temperature = v;
}

unsigned char
rocksdb_fifo_compaction_options_get_allow_trivial_copy_when_change_temperature(
    rocksdb_fifo_compaction_options_t* opt) {
  return opt->rep.allow_trivial_copy_when_change_temperature;
}

void rocksdb_fifo_compaction_options_set_trivial_copy_buffer_size(
    rocksdb_fifo_compaction_options_t* opt, uint64_t v) {
  opt->rep.trivial_copy_buffer_size = v;
}

uint64_t rocksdb_fifo_compaction_options_get_trivial_copy_buffer_size(
    rocksdb_fifo_compaction_options_t* opt) {
  return opt->rep.trivial_copy_buffer_size;
}

/* BackupEngineOptions */

void rocksdb_backup_engine_options_set_backup_dir(
    rocksdb_backup_engine_options_t* opt, const char* v) {
  opt->rep.backup_dir = v;
}

const char* rocksdb_backup_engine_options_get_backup_dir(
    rocksdb_backup_engine_options_t* opt, size_t* size) {
  *size = opt->rep.backup_dir.size();
  return opt->rep.backup_dir.data();
}

void rocksdb_backup_engine_options_set_share_table_files(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.share_table_files = v;
}

unsigned char rocksdb_backup_engine_options_get_share_table_files(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.share_table_files;
}

void rocksdb_backup_engine_options_set_sync(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.sync = v;
}

unsigned char rocksdb_backup_engine_options_get_sync(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.sync;
}

void rocksdb_backup_engine_options_set_destroy_old_data(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.destroy_old_data = v;
}

unsigned char rocksdb_backup_engine_options_get_destroy_old_data(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.destroy_old_data;
}

void rocksdb_backup_engine_options_set_backup_log_files(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.backup_log_files = v;
}

unsigned char rocksdb_backup_engine_options_get_backup_log_files(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.backup_log_files;
}

void rocksdb_backup_engine_options_set_io_buffer_size(
    rocksdb_backup_engine_options_t* opt, uint64_t v) {
  opt->rep.io_buffer_size = v;
}

uint64_t rocksdb_backup_engine_options_get_io_buffer_size(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.io_buffer_size;
}

void rocksdb_backup_engine_options_set_backup_rate_limit(
    rocksdb_backup_engine_options_t* opt, uint64_t v) {
  opt->rep.backup_rate_limit = v;
}

uint64_t rocksdb_backup_engine_options_get_backup_rate_limit(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.backup_rate_limit;
}

void rocksdb_backup_engine_options_set_restore_rate_limit(
    rocksdb_backup_engine_options_t* opt, uint64_t v) {
  opt->rep.restore_rate_limit = v;
}

uint64_t rocksdb_backup_engine_options_get_restore_rate_limit(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.restore_rate_limit;
}

void rocksdb_backup_engine_options_set_share_files_with_checksum(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.share_files_with_checksum = v;
}

unsigned char rocksdb_backup_engine_options_get_share_files_with_checksum(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.share_files_with_checksum;
}

void rocksdb_backup_engine_options_set_max_background_operations(
    rocksdb_backup_engine_options_t* opt, int v) {
  opt->rep.max_background_operations = v;
}

int rocksdb_backup_engine_options_get_max_background_operations(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.max_background_operations;
}

void rocksdb_backup_engine_options_set_callback_trigger_interval_size(
    rocksdb_backup_engine_options_t* opt, uint64_t v) {
  opt->rep.callback_trigger_interval_size = v;
}

uint64_t rocksdb_backup_engine_options_get_callback_trigger_interval_size(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.callback_trigger_interval_size;
}

void rocksdb_backup_engine_options_set_max_valid_backups_to_open(
    rocksdb_backup_engine_options_t* opt, int v) {
  opt->rep.max_valid_backups_to_open = v;
}

int rocksdb_backup_engine_options_get_max_valid_backups_to_open(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.max_valid_backups_to_open;
}

void rocksdb_backup_engine_options_set_share_files_with_checksum_naming(
    rocksdb_backup_engine_options_t* opt, int v) {
  opt->rep.share_files_with_checksum_naming =
      static_cast<decltype(opt->rep.share_files_with_checksum_naming)>(v);
}

int rocksdb_backup_engine_options_get_share_files_with_checksum_naming(
    rocksdb_backup_engine_options_t* opt) {
  return static_cast<int>(opt->rep.share_files_with_checksum_naming);
}

void rocksdb_backup_engine_options_set_schema_version(
    rocksdb_backup_engine_options_t* opt, int v) {
  opt->rep.schema_version = v;
}

int rocksdb_backup_engine_options_get_schema_version(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.schema_version;
}

void rocksdb_backup_engine_options_set_current_temperatures_override_manifest(
    rocksdb_backup_engine_options_t* opt, unsigned char v) {
  opt->rep.current_temperatures_override_manifest = v;
}

unsigned char
rocksdb_backup_engine_options_get_current_temperatures_override_manifest(
    rocksdb_backup_engine_options_t* opt) {
  return opt->rep.current_temperatures_override_manifest;
}

/* CreateBackupOptions */

void rocksdb_create_backup_options_set_flush_before_backup(
    rocksdb_create_backup_options_t* opt, unsigned char v) {
  opt->rep.flush_before_backup = v;
}

unsigned char rocksdb_create_backup_options_get_flush_before_backup(
    rocksdb_create_backup_options_t* opt) {
  return opt->rep.flush_before_backup;
}

void rocksdb_create_backup_options_set_decrease_background_thread_cpu_priority(
    rocksdb_create_backup_options_t* opt, unsigned char v) {
  opt->rep.decrease_background_thread_cpu_priority = v;
}

unsigned char
rocksdb_create_backup_options_get_decrease_background_thread_cpu_priority(
    rocksdb_create_backup_options_t* opt) {
  return opt->rep.decrease_background_thread_cpu_priority;
}

void rocksdb_create_backup_options_set_background_thread_cpu_priority(
    rocksdb_create_backup_options_t* opt, int v) {
  opt->rep.background_thread_cpu_priority =
      static_cast<decltype(opt->rep.background_thread_cpu_priority)>(v);
}

int rocksdb_create_backup_options_get_background_thread_cpu_priority(
    rocksdb_create_backup_options_t* opt) {
  return static_cast<int>(opt->rep.background_thread_cpu_priority);
}

void rocksdb_create_backup_options_set_atomic_flush(
    rocksdb_create_backup_options_t* opt, unsigned char v) {
  opt->rep.atomic_flush = v;
}

unsigned char rocksdb_create_backup_options_get_atomic_flush(
    rocksdb_create_backup_options_t* opt) {
  return opt->rep.atomic_flush;
}

/* RestoreOptions */

void rocksdb_restore_options_set_keep_log_files(rocksdb_restore_options_t* opt,
                                                int v) {
  opt->rep.keep_log_files = static_cast<decltype(opt->rep.keep_log_files)>(v);
}

unsigned char rocksdb_restore_options_get_keep_log_files(
    rocksdb_restore_options_t* opt) {
  return opt->rep.keep_log_files;
}

void rocksdb_restore_options_set_mode(rocksdb_restore_options_t* opt, int v) {
  opt->rep.mode = static_cast<decltype(opt->rep.mode)>(v);
}

int rocksdb_restore_options_get_mode(rocksdb_restore_options_t* opt) {
  return static_cast<int>(opt->rep.mode);
}

/* TransactionDBOptions */

void rocksdb_transactiondb_options_set_max_num_locks(
    rocksdb_transactiondb_options_t* opt, int64_t v) {
  opt->rep.max_num_locks = v;
}

int64_t rocksdb_transactiondb_options_get_max_num_locks(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.max_num_locks;
}

void rocksdb_transactiondb_options_set_max_num_deadlocks(
    rocksdb_transactiondb_options_t* opt, uint32_t v) {
  opt->rep.max_num_deadlocks = v;
}

uint32_t rocksdb_transactiondb_options_get_max_num_deadlocks(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.max_num_deadlocks;
}

void rocksdb_transactiondb_options_set_num_stripes(
    rocksdb_transactiondb_options_t* opt, size_t v) {
  opt->rep.num_stripes = v;
}

size_t rocksdb_transactiondb_options_get_num_stripes(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.num_stripes;
}

void rocksdb_transactiondb_options_set_transaction_lock_timeout(
    rocksdb_transactiondb_options_t* opt, int64_t v) {
  opt->rep.transaction_lock_timeout = v;
}

int64_t rocksdb_transactiondb_options_get_transaction_lock_timeout(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.transaction_lock_timeout;
}

void rocksdb_transactiondb_options_set_default_lock_timeout(
    rocksdb_transactiondb_options_t* opt, int64_t v) {
  opt->rep.default_lock_timeout = v;
}

int64_t rocksdb_transactiondb_options_get_default_lock_timeout(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.default_lock_timeout;
}

void rocksdb_transactiondb_options_set_write_policy(
    rocksdb_transactiondb_options_t* opt, int v) {
  opt->rep.write_policy = static_cast<decltype(opt->rep.write_policy)>(v);
}

int rocksdb_transactiondb_options_get_write_policy(
    rocksdb_transactiondb_options_t* opt) {
  return static_cast<int>(opt->rep.write_policy);
}

void rocksdb_transactiondb_options_set_rollback_merge_operands(
    rocksdb_transactiondb_options_t* opt, unsigned char v) {
  opt->rep.rollback_merge_operands = v;
}

unsigned char rocksdb_transactiondb_options_get_rollback_merge_operands(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.rollback_merge_operands;
}

void rocksdb_transactiondb_options_set_use_per_key_point_lock_mgr(
    rocksdb_transactiondb_options_t* opt, unsigned char v) {
  opt->rep.use_per_key_point_lock_mgr = v;
}

unsigned char rocksdb_transactiondb_options_get_use_per_key_point_lock_mgr(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.use_per_key_point_lock_mgr;
}

void rocksdb_transactiondb_options_set_skip_concurrency_control(
    rocksdb_transactiondb_options_t* opt, unsigned char v) {
  opt->rep.skip_concurrency_control = v;
}

unsigned char rocksdb_transactiondb_options_get_skip_concurrency_control(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.skip_concurrency_control;
}

void rocksdb_transactiondb_options_set_default_write_batch_flush_threshold(
    rocksdb_transactiondb_options_t* opt, int64_t v) {
  opt->rep.default_write_batch_flush_threshold = v;
}

int64_t rocksdb_transactiondb_options_get_default_write_batch_flush_threshold(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.default_write_batch_flush_threshold;
}

void rocksdb_transactiondb_options_set_enable_udt_validation(
    rocksdb_transactiondb_options_t* opt, unsigned char v) {
  opt->rep.enable_udt_validation = v;
}

unsigned char rocksdb_transactiondb_options_get_enable_udt_validation(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.enable_udt_validation;
}

void rocksdb_transactiondb_options_set_txn_commit_bypass_memtable_threshold(
    rocksdb_transactiondb_options_t* opt, uint32_t v) {
  opt->rep.txn_commit_bypass_memtable_threshold = v;
}

uint32_t rocksdb_transactiondb_options_get_txn_commit_bypass_memtable_threshold(
    rocksdb_transactiondb_options_t* opt) {
  return opt->rep.txn_commit_bypass_memtable_threshold;
}

/* TransactionOptions */

void rocksdb_transaction_options_set_set_snapshot(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.set_snapshot = v;
}

unsigned char rocksdb_transaction_options_get_set_snapshot(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.set_snapshot;
}

void rocksdb_transaction_options_set_deadlock_detect(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.deadlock_detect = v;
}

unsigned char rocksdb_transaction_options_get_deadlock_detect(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.deadlock_detect;
}

void rocksdb_transaction_options_set_use_only_the_last_commit_time_batch_for_recovery(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.use_only_the_last_commit_time_batch_for_recovery = v;
}

unsigned char
rocksdb_transaction_options_get_use_only_the_last_commit_time_batch_for_recovery(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.use_only_the_last_commit_time_batch_for_recovery;
}

void rocksdb_transaction_options_set_lock_timeout(
    rocksdb_transaction_options_t* opt, int64_t v) {
  opt->rep.lock_timeout = v;
}

int64_t rocksdb_transaction_options_get_lock_timeout(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.lock_timeout;
}

void rocksdb_transaction_options_set_deadlock_timeout_us(
    rocksdb_transaction_options_t* opt, int64_t v) {
  opt->rep.deadlock_timeout_us = v;
}

int64_t rocksdb_transaction_options_get_deadlock_timeout_us(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.deadlock_timeout_us;
}

void rocksdb_transaction_options_set_expiration(
    rocksdb_transaction_options_t* opt, int64_t v) {
  opt->rep.expiration = v;
}

int64_t rocksdb_transaction_options_get_expiration(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.expiration;
}

void rocksdb_transaction_options_set_deadlock_detect_depth(
    rocksdb_transaction_options_t* opt, int64_t v) {
  opt->rep.deadlock_detect_depth = v;
}

int64_t rocksdb_transaction_options_get_deadlock_detect_depth(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.deadlock_detect_depth;
}

void rocksdb_transaction_options_set_max_write_batch_size(
    rocksdb_transaction_options_t* opt, size_t v) {
  opt->rep.max_write_batch_size = v;
}

size_t rocksdb_transaction_options_get_max_write_batch_size(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.max_write_batch_size;
}

void rocksdb_transaction_options_set_skip_concurrency_control(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.skip_concurrency_control = v;
}

unsigned char rocksdb_transaction_options_get_skip_concurrency_control(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.skip_concurrency_control;
}

void rocksdb_transaction_options_set_skip_prepare(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.skip_prepare = v;
}

unsigned char rocksdb_transaction_options_get_skip_prepare(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.skip_prepare;
}

void rocksdb_transaction_options_set_write_batch_flush_threshold(
    rocksdb_transaction_options_t* opt, int64_t v) {
  opt->rep.write_batch_flush_threshold = v;
}

int64_t rocksdb_transaction_options_get_write_batch_flush_threshold(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.write_batch_flush_threshold;
}

void rocksdb_transaction_options_set_write_batch_track_timestamp_size(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.write_batch_track_timestamp_size = v;
}

unsigned char rocksdb_transaction_options_get_write_batch_track_timestamp_size(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.write_batch_track_timestamp_size;
}

void rocksdb_transaction_options_set_commit_bypass_memtable(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.commit_bypass_memtable = v;
}

unsigned char rocksdb_transaction_options_get_commit_bypass_memtable(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.commit_bypass_memtable;
}

void rocksdb_transaction_options_set_large_txn_commit_optimize_threshold(
    rocksdb_transaction_options_t* opt, uint32_t v) {
  opt->rep.large_txn_commit_optimize_threshold = v;
}

uint32_t rocksdb_transaction_options_get_large_txn_commit_optimize_threshold(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.large_txn_commit_optimize_threshold;
}

void rocksdb_transaction_options_set_large_txn_commit_optimize_byte_threshold(
    rocksdb_transaction_options_t* opt, uint64_t v) {
  opt->rep.large_txn_commit_optimize_byte_threshold = v;
}

uint64_t
rocksdb_transaction_options_get_large_txn_commit_optimize_byte_threshold(
    rocksdb_transaction_options_t* opt) {
  return opt->rep.large_txn_commit_optimize_byte_threshold;
}

/* OptimisticTransactionOptions */

void rocksdb_optimistictransaction_options_set_set_snapshot(
    rocksdb_optimistictransaction_options_t* opt, unsigned char v) {
  opt->rep.set_snapshot = v;
}

unsigned char rocksdb_optimistictransaction_options_get_set_snapshot(
    rocksdb_optimistictransaction_options_t* opt) {
  return opt->rep.set_snapshot;
}

/* OptimisticTransactionDBOptions */

void rocksdb_optimistictransactiondb_options_set_validate_policy(
    rocksdb_optimistictransactiondb_options_t* opt, int v) {
  opt->rep.validate_policy = static_cast<decltype(opt->rep.validate_policy)>(v);
}

int rocksdb_optimistictransactiondb_options_get_validate_policy(
    rocksdb_optimistictransactiondb_options_t* opt) {
  return static_cast<int>(opt->rep.validate_policy);
}

void rocksdb_optimistictransactiondb_options_set_occ_lock_buckets(
    rocksdb_optimistictransactiondb_options_t* opt, uint32_t v) {
  opt->rep.occ_lock_buckets = v;
}

uint32_t rocksdb_optimistictransactiondb_options_get_occ_lock_buckets(
    rocksdb_optimistictransactiondb_options_t* opt) {
  return opt->rep.occ_lock_buckets;
}
// END generated: c_generated_option_structs_auto.cc.inc

rocksdb_optimistictransaction_options_t*
rocksdb_optimistictransaction_options_create() {
  return new rocksdb_optimistictransaction_options_t;
}

void rocksdb_optimistictransaction_options_destroy(
    rocksdb_optimistictransaction_options_t* opt) {
  delete opt;
}

char* rocksdb_optimistictransactiondb_property_value(
    rocksdb_optimistictransactiondb_t* db, const char* propname) {
  std::string tmp;
  if (db->rep->GetProperty(Slice(propname), &tmp)) {
    // We use strdup() since we expect human readable output.
    return strdup(tmp.c_str());
  } else {
    return nullptr;
  }
}

int rocksdb_optimistictransactiondb_property_int(
    rocksdb_optimistictransactiondb_t* db, const char* propname,
    uint64_t* out_val) {
  if (db->rep->GetIntProperty(Slice(propname), out_val)) {
    return 0;
  } else {
    return -1;
  }
}

rocksdb_column_family_handle_t* rocksdb_transactiondb_create_column_family(
    rocksdb_transactiondb_t* txn_db,
    const rocksdb_options_t* column_family_options,
    const char* column_family_name, char** errptr) {
  rocksdb_column_family_handle_t* handle = new rocksdb_column_family_handle_t;
  handle->rep = nullptr;
  if (SaveError(errptr, txn_db->rep->CreateColumnFamily(
                            ColumnFamilyOptions(column_family_options->rep),
                            std::string(column_family_name), &(handle->rep)))) {
    delete handle;
    return nullptr;
  }
  handle->immortal = false;
  return handle;
}

rocksdb_transactiondb_t* rocksdb_transactiondb_open(
    const rocksdb_options_t* options,
    const rocksdb_transactiondb_options_t* txn_db_options, const char* name,
    char** errptr) {
  TransactionDB* txn_db;
  if (SaveError(errptr, TransactionDB::Open(options->rep, txn_db_options->rep,
                                            std::string(name), &txn_db))) {
    return nullptr;
  }
  rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t;
  result->rep = txn_db;
  return result;
}

rocksdb_transactiondb_t* rocksdb_transactiondb_open_column_families(
    const rocksdb_options_t* options,
    const rocksdb_transactiondb_options_t* txn_db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  TransactionDB* txn_db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, TransactionDB::Open(options->rep, txn_db_options->rep,
                                            std::string(name), column_families,
                                            &handles, &txn_db))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t;
  result->rep = txn_db;
  return result;
}

const rocksdb_snapshot_t* rocksdb_transactiondb_create_snapshot(
    rocksdb_transactiondb_t* txn_db) {
  rocksdb_snapshot_t* result = new rocksdb_snapshot_t;
  result->rep = txn_db->rep->GetSnapshot();
  return result;
}

void rocksdb_transactiondb_release_snapshot(
    rocksdb_transactiondb_t* txn_db, const rocksdb_snapshot_t* snapshot) {
  txn_db->rep->ReleaseSnapshot(snapshot->rep);
  delete snapshot;
}

char* rocksdb_transactiondb_property_value(rocksdb_transactiondb_t* db,
                                           const char* propname) {
  std::string tmp;
  if (db->rep->GetProperty(Slice(propname), &tmp)) {
    // We use strdup() since we expect human readable output.
    return strdup(tmp.c_str());
  } else {
    return nullptr;
  }
}

int rocksdb_transactiondb_property_int(rocksdb_transactiondb_t* db,
                                       const char* propname,
                                       uint64_t* out_val) {
  if (db->rep->GetIntProperty(Slice(propname), out_val)) {
    return 0;
  } else {
    return -1;
  }
}

rocksdb_t* rocksdb_transactiondb_get_base_db(rocksdb_transactiondb_t* txn_db) {
  DB* base_db = txn_db->rep->GetBaseDB();

  if (base_db != nullptr) {
    rocksdb_t* result = new rocksdb_t;
    result->rep = base_db;
    return result;
  }

  return nullptr;
}

void rocksdb_transactiondb_close_base_db(rocksdb_t* base_db) { delete base_db; }

rocksdb_transaction_t* rocksdb_transaction_begin(
    rocksdb_transactiondb_t* txn_db,
    const rocksdb_writeoptions_t* write_options,
    const rocksdb_transaction_options_t* txn_options,
    rocksdb_transaction_t* old_txn) {
  if (old_txn == nullptr) {
    rocksdb_transaction_t* result = new rocksdb_transaction_t;
    result->rep = txn_db->rep->BeginTransaction(write_options->rep,
                                                txn_options->rep, nullptr);
    return result;
  }
  old_txn->rep = txn_db->rep->BeginTransaction(write_options->rep,
                                               txn_options->rep, old_txn->rep);
  return old_txn;
}

rocksdb_transaction_t** rocksdb_transactiondb_get_prepared_transactions(
    rocksdb_transactiondb_t* txn_db, size_t* cnt) {
  std::vector<Transaction*> txns;
  txn_db->rep->GetAllPreparedTransactions(&txns);
  *cnt = txns.size();
  if (txns.empty()) {
    return nullptr;
  } else {
    rocksdb_transaction_t** buf = (rocksdb_transaction_t**)malloc(
        txns.size() * sizeof(rocksdb_transaction_t*));
    for (size_t i = 0; i < txns.size(); i++) {
      buf[i] = new rocksdb_transaction_t;
      buf[i]->rep = txns[i];
    }
    return buf;
  }
}

void rocksdb_transaction_set_name(rocksdb_transaction_t* txn, const char* name,
                                  size_t name_len, char** errptr) {
  std::string str = std::string(name, name_len);
  SaveError(errptr, txn->rep->SetName(str));
}

char* rocksdb_transaction_get_name(rocksdb_transaction_t* txn,
                                   size_t* name_len) {
  auto name = txn->rep->GetName();
  *name_len = name.size();
  return CopyString(name);
}

void rocksdb_transaction_prepare(rocksdb_transaction_t* txn, char** errptr) {
  SaveError(errptr, txn->rep->Prepare());
}

rocksdb_writebatch_wi_t* rocksdb_transaction_get_writebatch_wi(
    rocksdb_transaction_t* txn) {
  rocksdb_writebatch_wi_t* wi =
      (rocksdb_writebatch_wi_t*)malloc(sizeof(rocksdb_writebatch_wi_t));
  wi->rep = txn->rep->GetWriteBatch();

  return wi;
}

void rocksdb_transaction_rebuild_from_writebatch(
    rocksdb_transaction_t* txn, rocksdb_writebatch_t* writebatch,
    char** errptr) {
  SaveError(errptr, txn->rep->RebuildFromWriteBatch(&writebatch->rep));
}

void rocksdb_transaction_rebuild_from_writebatch_wi(rocksdb_transaction_t* txn,
                                                    rocksdb_writebatch_wi_t* wi,
                                                    char** errptr) {
  SaveError(errptr, txn->rep->RebuildFromWriteBatch(wi->rep->GetWriteBatch()));
}

// BEGIN generated: c_generated_transaction_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'Transaction'
//     --header-out
//     c_api_gen/c_generated_transaction_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_transaction_subset.cc.inc

/* Transaction */

void rocksdb_transaction_put(rocksdb_transaction_t* txn, const char* key,
                             size_t klen, const char* val, size_t vlen,
                             char** errptr) {
  SaveError(errptr, txn->rep->Put(Slice(key, klen), Slice(val, vlen)));
}

void rocksdb_transaction_put_cf(rocksdb_transaction_t* txn,
                                rocksdb_column_family_handle_t* column_family,
                                const char* key, size_t klen, const char* val,
                                size_t vlen, char** errptr) {
  SaveError(errptr, txn->rep->Put(column_family->rep, Slice(key, klen),
                                  Slice(val, vlen)));
}

void rocksdb_transaction_merge(rocksdb_transaction_t* txn, const char* key,
                               size_t klen, const char* val, size_t vlen,
                               char** errptr) {
  SaveError(errptr, txn->rep->Merge(Slice(key, klen), Slice(val, vlen)));
}

void rocksdb_transaction_merge_cf(rocksdb_transaction_t* txn,
                                  rocksdb_column_family_handle_t* column_family,
                                  const char* key, size_t klen, const char* val,
                                  size_t vlen, char** errptr) {
  SaveError(errptr, txn->rep->Merge(column_family->rep, Slice(key, klen),
                                    Slice(val, vlen)));
}

void rocksdb_transaction_delete(rocksdb_transaction_t* txn, const char* key,
                                size_t klen, char** errptr) {
  SaveError(errptr, txn->rep->Delete(Slice(key, klen)));
}

void rocksdb_transaction_delete_cf(
    rocksdb_transaction_t* txn, rocksdb_column_family_handle_t* column_family,
    const char* key, size_t klen, char** errptr) {
  SaveError(errptr, txn->rep->Delete(column_family->rep, Slice(key, klen)));
}

void rocksdb_transaction_commit(rocksdb_transaction_t* txn, char** errptr) {
  SaveError(errptr, txn->rep->Commit());
}

void rocksdb_transaction_rollback(rocksdb_transaction_t* txn, char** errptr) {
  SaveError(errptr, txn->rep->Rollback());
}

void rocksdb_transaction_put_log_data(rocksdb_transaction_t* txn,
                                      const char* blob, size_t len) {
  txn->rep->PutLogData(Slice(blob, len));
}

void rocksdb_transaction_set_savepoint(rocksdb_transaction_t* txn) {
  txn->rep->SetSavePoint();
}

void rocksdb_transaction_rollback_to_savepoint(rocksdb_transaction_t* txn,
                                               char** errptr) {
  SaveError(errptr, txn->rep->RollbackToSavePoint());
}
// END generated: c_generated_transaction_subset.cc.inc

void rocksdb_transaction_destroy(rocksdb_transaction_t* txn) {
  delete txn->rep;
  delete txn;
}

const rocksdb_snapshot_t* rocksdb_transaction_get_snapshot(
    rocksdb_transaction_t* txn) {
  // This will be freed later on using free, so use malloc here to avoid a
  // mismatch
  rocksdb_snapshot_t* result =
      (rocksdb_snapshot_t*)malloc(sizeof(rocksdb_snapshot_t));
  result->rep = txn->rep->GetSnapshot();
  return result;
}

// Read a key inside a transaction
char* rocksdb_transaction_get(rocksdb_transaction_t* txn,
                              const rocksdb_readoptions_t* options,
                              const char* key, size_t klen, size_t* vlen,
                              char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn->rep->Get(options->rep, Slice(key, klen), &pinnable_val);
  if (s.ok()) {
    *vlen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transaction_get_pinned(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    const char* key, size_t klen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn->rep->Get(options->rep, Slice(key, klen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

char* rocksdb_transaction_get_cf(rocksdb_transaction_t* txn,
                                 const rocksdb_readoptions_t* options,
                                 rocksdb_column_family_handle_t* column_family,
                                 const char* key, size_t klen, size_t* vlen,
                                 char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn->rep->Get(options->rep, column_family->rep, Slice(key, klen),
                           &pinnable_val);
  if (s.ok()) {
    *vlen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transaction_get_pinned_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key, size_t klen,
    char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn->rep->Get(options->rep, column_family->rep, Slice(key, klen),
                           &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

// Read a key inside a transaction
char* rocksdb_transaction_get_for_update(rocksdb_transaction_t* txn,
                                         const rocksdb_readoptions_t* options,
                                         const char* key, size_t klen,
                                         size_t* vlen, unsigned char exclusive,
                                         char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn->rep->GetForUpdate(options->rep, Slice(key, klen),
                                    &pinnable_val, exclusive);
  if (s.ok()) {
    *vlen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transaction_get_pinned_for_update(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    const char* key, size_t klen, unsigned char exclusive, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn->rep->GetForUpdate(options->rep, Slice(key, klen),
                                    v->rep.GetSelf(), exclusive);
  v->rep.PinSelf();
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

char* rocksdb_transaction_get_for_update_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key, size_t klen,
    size_t* vlen, unsigned char exclusive, char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn->rep->GetForUpdate(options->rep, column_family->rep,
                                    Slice(key, klen), &pinnable_val, exclusive);
  if (s.ok()) {
    *vlen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transaction_get_pinned_for_update_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key, size_t klen,
    unsigned char exclusive, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn->rep->GetForUpdate(options->rep, column_family->rep,
                                    Slice(key, klen), &v->rep, exclusive);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

void rocksdb_transaction_multi_get(rocksdb_transaction_t* txn,
                                   const rocksdb_readoptions_t* options,
                                   size_t num_keys,
                                   const char* const* keys_list,
                                   const size_t* keys_list_sizes,
                                   char** values_list,
                                   size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys_arr(new Slice[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys_arr[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  // Note: Transaction only has vector-based MultiGet API
  std::vector<Slice> keys(keys_arr.get(), keys_arr.get() + num_keys);
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses =
      txn->rep->MultiGet(options->rep, keys, &values);
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_transaction_multi_get_for_update(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys_arr(new Slice[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys_arr[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  // Note: GetForUpdate only has vector-based API, no array-based PinnableSlice
  // variant
  std::vector<Slice> keys(keys_arr.get(), keys_arr.get() + num_keys);
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses =
      txn->rep->MultiGetForUpdate(options->rep, keys, &values);
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_transaction_multi_get_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    const rocksdb_column_family_handle_t* const* column_families,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys_arr(new Slice[num_keys]);
  std::vector<ColumnFamilyHandle*> cfs(num_keys);
  for (size_t i = 0; i < num_keys; i++) {
    keys_arr[i] = Slice(keys_list[i], keys_list_sizes[i]);
    cfs[i] = column_families[i]->rep;
  }
  // Note: Transaction only has vector-based MultiGet API
  std::vector<Slice> keys(keys_arr.get(), keys_arr.get() + num_keys);
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses =
      txn->rep->MultiGet(options->rep, cfs, keys, &values);
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_transaction_multi_get_for_update_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    const rocksdb_column_family_handle_t* const* column_families,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys_arr(new Slice[num_keys]);
  std::vector<ColumnFamilyHandle*> cfs(num_keys);
  for (size_t i = 0; i < num_keys; i++) {
    keys_arr[i] = Slice(keys_list[i], keys_list_sizes[i]);
    cfs[i] = column_families[i]->rep;
  }
  // Note: GetForUpdate only has vector-based API, no array-based PinnableSlice
  // variant
  std::vector<Slice> keys(keys_arr.get(), keys_arr.get() + num_keys);
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses =
      txn->rep->MultiGetForUpdate(options->rep, cfs, keys, &values);
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

// Read a key outside a transaction
char* rocksdb_transactiondb_get(rocksdb_transactiondb_t* txn_db,
                                const rocksdb_readoptions_t* options,
                                const char* key, size_t klen, size_t* vlen,
                                char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn_db->rep->Get(options->rep, txn_db->rep->DefaultColumnFamily(),
                              Slice(key, klen), &pinnable_val);
  if (s.ok()) {
    *vlen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transactiondb_get_pinned(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options,
    const char* key, size_t klen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn_db->rep->Get(options->rep, txn_db->rep->DefaultColumnFamily(),
                              Slice(key, klen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

char* rocksdb_transactiondb_get_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, size_t* vallen, char** errptr) {
  char* result = nullptr;
  PinnableSlice pinnable_val;
  Status s = txn_db->rep->Get(options->rep, column_family->rep,
                              Slice(key, keylen), &pinnable_val);
  if (s.ok()) {
    *vallen = pinnable_val.size();
    result = CopyString(pinnable_val);
  } else {
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

rocksdb_pinnableslice_t* rocksdb_transactiondb_get_pinned_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = txn_db->rep->Get(options->rep, column_family->rep,
                              Slice(key, keylen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

void rocksdb_transactiondb_multi_get(rocksdb_transactiondb_t* txn_db,
                                     const rocksdb_readoptions_t* options,
                                     size_t num_keys,
                                     const char* const* keys_list,
                                     const size_t* keys_list_sizes,
                                     char** values_list,
                                     size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys(new Slice[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  // Use PinnableSlice to avoid unnecessary allocations
  auto cfh = txn_db->rep->DefaultColumnFamily();
  std::vector<PinnableSlice> values(num_keys);
  std::vector<Status> statuses(num_keys);
  txn_db->rep->MultiGet(options->rep, cfh, num_keys, keys.get(), values.data(),
                        statuses.data());
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_transactiondb_multi_get_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options,
    const rocksdb_column_family_handle_t* const* column_families,
    size_t num_keys, const char* const* keys_list,
    const size_t* keys_list_sizes, char** values_list,
    size_t* values_list_sizes, char** errs) {
  // Use unique_ptr for efficiency
  std::unique_ptr<Slice[]> keys(new Slice[num_keys]);
  std::unique_ptr<ColumnFamilyHandle*[]> cfs(new ColumnFamilyHandle*[num_keys]);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
    cfs[i] = column_families[i]->rep;
  }
  // Use PinnableSlice to avoid unnecessary allocations
  std::vector<PinnableSlice> values(num_keys);
  std::vector<Status> statuses(num_keys);
  txn_db->rep->MultiGet(options->rep, num_keys, cfs.get(), keys.get(),
                        values.data(), statuses.data());
  for (size_t i = 0; i < num_keys; i++) {
    if (statuses[i].ok()) {
      values_list[i] = CopyString(values[i]);
      values_list_sizes[i] = values[i].size();
      errs[i] = nullptr;
    } else {
      values_list[i] = nullptr;
      values_list_sizes[i] = 0;
      if (!statuses[i].IsNotFound()) {
        errs[i] = strdup(statuses[i].ToString().c_str());
      } else {
        errs[i] = nullptr;
      }
    }
  }
}

void rocksdb_transaction_set_commit_timestamp(rocksdb_transaction_t* txn,
                                              uint64_t commit_timestamp) {
  txn->rep->SetCommitTimestamp(commit_timestamp);
}

void rocksdb_transaction_set_read_timestamp_for_validation(
    rocksdb_transaction_t* txn, uint64_t read_timestamp) {
  txn->rep->SetReadTimestampForValidation(read_timestamp);
}

// BEGIN generated: c_generated_transactiondb_subset.cc.inc
// @generated
// -----------------------------------------------------------------------------
// Auto-generated by tools/c_api_gen/generate_c_api.py.
// DO NOT EDIT THIS FILE DIRECTLY.
// Source: tools/c_api_gen/spec.json
// -----------------------------------------------------------------------------

// To regenerate this file:
//   python3 tools/c_api_gen/generate_c_api.py
//     --spec tools/c_api_gen/spec.json --section 'TransactionDB simple'
//     --header-out
//     c_api_gen/c_generated_transactiondb_subset.h.inc
//     --source-out
//     c_api_gen/c_generated_transactiondb_subset.cc.inc

/* TransactionDB simple */

void rocksdb_transactiondb_put(rocksdb_transactiondb_t* txn_db,
                               const rocksdb_writeoptions_t* options,
                               const char* key, size_t klen, const char* val,
                               size_t vlen, char** errptr) {
  SaveError(errptr,
            txn_db->rep->Put(options->rep, Slice(key, klen), Slice(val, vlen)));
}

void rocksdb_transactiondb_put_cf(rocksdb_transactiondb_t* txn_db,
                                  const rocksdb_writeoptions_t* options,
                                  rocksdb_column_family_handle_t* column_family,
                                  const char* key, size_t keylen,
                                  const char* val, size_t vallen,
                                  char** errptr) {
  SaveError(errptr, txn_db->rep->Put(options->rep, column_family->rep,
                                     Slice(key, keylen), Slice(val, vallen)));
}

void rocksdb_transactiondb_write(rocksdb_transactiondb_t* db,
                                 const rocksdb_writeoptions_t* options,
                                 rocksdb_writebatch_t* batch, char** errptr) {
  SaveError(errptr, db->rep->Write(options->rep, &batch->rep));
}

void rocksdb_transactiondb_merge(rocksdb_transactiondb_t* txn_db,
                                 const rocksdb_writeoptions_t* options,
                                 const char* key, size_t klen, const char* val,
                                 size_t vlen, char** errptr) {
  SaveError(errptr, txn_db->rep->Merge(options->rep, Slice(key, klen),
                                       Slice(val, vlen)));
}

void rocksdb_transactiondb_merge_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_writeoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key, size_t klen,
    const char* val, size_t vlen, char** errptr) {
  SaveError(errptr, txn_db->rep->Merge(options->rep, column_family->rep,
                                       Slice(key, klen), Slice(val, vlen)));
}

void rocksdb_transactiondb_delete(rocksdb_transactiondb_t* txn_db,
                                  const rocksdb_writeoptions_t* options,
                                  const char* key, size_t klen, char** errptr) {
  SaveError(errptr, txn_db->rep->Delete(options->rep, Slice(key, klen)));
}

void rocksdb_transactiondb_delete_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_writeoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char** errptr) {
  SaveError(errptr, txn_db->rep->Delete(options->rep, column_family->rep,
                                        Slice(key, keylen)));
}

void rocksdb_transactiondb_flush_wal(rocksdb_transactiondb_t* txn_db,
                                     unsigned char sync, char** errptr) {
  SaveError(errptr, txn_db->rep->FlushWAL(sync));
}

void rocksdb_transactiondb_flush(rocksdb_transactiondb_t* txn_db,
                                 const rocksdb_flushoptions_t* options,
                                 char** errptr) {
  SaveError(errptr, txn_db->rep->Flush(options->rep));
}

void rocksdb_transactiondb_flush_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_flushoptions_t* options,
    rocksdb_column_family_handle_t* column_family, char** errptr) {
  SaveError(errptr, txn_db->rep->Flush(options->rep, column_family->rep));
}
// END generated: c_generated_transactiondb_subset.cc.inc

// Create an iterator inside a transaction
rocksdb_iterator_t* rocksdb_transaction_create_iterator(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = txn->rep->GetIterator(options->rep);
  return result;
}

// Create an iterator inside a transaction with column family
rocksdb_iterator_t* rocksdb_transaction_create_iterator_cf(
    rocksdb_transaction_t* txn, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = txn->rep->GetIterator(options->rep, column_family->rep);
  return result;
}

// Create an iterator outside a transaction
rocksdb_iterator_t* rocksdb_transactiondb_create_iterator(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = txn_db->rep->NewIterator(options->rep);
  return result;
}

rocksdb_iterator_t* rocksdb_transactiondb_create_iterator_cf(
    rocksdb_transactiondb_t* txn_db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
  result->rep = txn_db->rep->NewIterator(options->rep, column_family->rep);
  return result;
}

void rocksdb_transactiondb_close(rocksdb_transactiondb_t* txn_db) {
  delete txn_db->rep;
  delete txn_db;
}

void rocksdb_transactiondb_flush_cfs(
    rocksdb_transactiondb_t* txn_db, const rocksdb_flushoptions_t* options,
    rocksdb_column_family_handle_t** column_families, int num_column_families,
    char** errptr) {
  std::vector<ColumnFamilyHandle*> column_family_handles;
  for (int i = 0; i < num_column_families; i++) {
    column_family_handles.push_back(column_families[i]->rep);
  }

  SaveError(errptr, txn_db->rep->Flush(options->rep, column_family_handles));
}

void rocksdb_transactiondb_flush_wal_with_options(
    rocksdb_transactiondb_t* txn_db, const rocksdb_flushwaloptions_t* options,
    char** errptr) {
  FlushWALOptions default_options;
  SaveError(errptr, txn_db->rep->FlushWAL(
                        GetFlushWALOptions(options, &default_options)));
}

rocksdb_checkpoint_t* rocksdb_transactiondb_checkpoint_object_create(
    rocksdb_transactiondb_t* txn_db, char** errptr) {
  Checkpoint* checkpoint;
  if (SaveError(errptr, Checkpoint::Create(txn_db->rep, &checkpoint))) {
    return nullptr;
  }
  rocksdb_checkpoint_t* result = new rocksdb_checkpoint_t;
  result->rep = checkpoint;
  return result;
}

rocksdb_optimistictransactiondb_t* rocksdb_optimistictransactiondb_open(
    const rocksdb_options_t* options, const char* name, char** errptr) {
  OptimisticTransactionDB* otxn_db;
  if (SaveError(errptr, OptimisticTransactionDB::Open(
                            options->rep, std::string(name), &otxn_db))) {
    return nullptr;
  }
  return WrapOptimisticTransactionDB(otxn_db);
}

rocksdb_optimistictransactiondb_t*
rocksdb_optimistictransactiondb_open_with_otxn_db_options(
    const rocksdb_options_t* options,
    const rocksdb_optimistictransactiondb_options_t* otxn_db_options,
    const char* name, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  column_families.emplace_back(ROCKSDB_NAMESPACE::kDefaultColumnFamilyName,
                               ColumnFamilyOptions(options->rep));

  std::vector<ColumnFamilyHandle*> handles;
  OptimisticTransactionDBOptions default_options;
  const OptimisticTransactionDBOptions& effective_options =
      GetOptimisticTransactionDBOptions(otxn_db_options, &default_options);
  OptimisticTransactionDB* otxn_db;
  if (SaveError(errptr,
                OptimisticTransactionDB::Open(
                    DBOptions(options->rep), effective_options,
                    std::string(name), column_families, &handles, &otxn_db))) {
    return nullptr;
  }
  for (auto* handle : handles) {
    delete handle;
  }
  return WrapOptimisticTransactionDB(otxn_db);
}

rocksdb_optimistictransactiondb_t*
rocksdb_optimistictransactiondb_open_column_families(
    const rocksdb_options_t* db_options, const char* name,
    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  OptimisticTransactionDB* otxn_db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, OptimisticTransactionDB::Open(
                            DBOptions(db_options->rep), std::string(name),
                            column_families, &handles, &otxn_db))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    rocksdb_column_family_handle_t* c_handle =
        new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  return WrapOptimisticTransactionDB(otxn_db);
}

rocksdb_optimistictransactiondb_t*
rocksdb_optimistictransactiondb_open_column_families_with_otxn_db_options(
    const rocksdb_options_t* db_options,
    const rocksdb_optimistictransactiondb_options_t* otxn_db_options,
    const char* name, int num_column_families,
    const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
    rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
  std::vector<ColumnFamilyDescriptor> column_families;
  column_families.reserve(num_column_families);
  for (int i = 0; i < num_column_families; i++) {
    column_families.emplace_back(
        std::string(column_family_names[i]),
        ColumnFamilyOptions(column_family_options[i]->rep));
  }

  OptimisticTransactionDBOptions default_options;
  const OptimisticTransactionDBOptions& effective_options =
      GetOptimisticTransactionDBOptions(otxn_db_options, &default_options);

  OptimisticTransactionDB* otxn_db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr,
                OptimisticTransactionDB::Open(
                    DBOptions(db_options->rep), effective_options,
                    std::string(name), column_families, &handles, &otxn_db))) {
    return nullptr;
  }

  for (size_t i = 0; i < handles.size(); i++) {
    auto* c_handle = new rocksdb_column_family_handle_t;
    c_handle->rep = handles[i];
    c_handle->immortal = false;
    column_family_handles[i] = c_handle;
  }
  return WrapOptimisticTransactionDB(otxn_db);
}

rocksdb_t* rocksdb_optimistictransactiondb_get_base_db(
    rocksdb_optimistictransactiondb_t* otxn_db) {
  DB* base_db = otxn_db->rep->GetBaseDB();

  if (base_db != nullptr) {
    rocksdb_t* result = new rocksdb_t;
    result->rep = base_db;
    return result;
  }

  return nullptr;
}

void rocksdb_optimistictransactiondb_close_base_db(rocksdb_t* base_db) {
  delete base_db;
}

rocksdb_transaction_t* rocksdb_optimistictransaction_begin(
    rocksdb_optimistictransactiondb_t* otxn_db,
    const rocksdb_writeoptions_t* write_options,
    const rocksdb_optimistictransaction_options_t* otxn_options,
    rocksdb_transaction_t* old_txn) {
  if (old_txn == nullptr) {
    rocksdb_transaction_t* result = new rocksdb_transaction_t;
    result->rep = otxn_db->rep->BeginTransaction(write_options->rep,
                                                 otxn_options->rep, nullptr);
    return result;
  }
  old_txn->rep = otxn_db->rep->BeginTransaction(
      write_options->rep, otxn_options->rep, old_txn->rep);
  return old_txn;
}

// Write batch into OptimisticTransactionDB
void rocksdb_optimistictransactiondb_write(
    rocksdb_optimistictransactiondb_t* otxn_db,
    const rocksdb_writeoptions_t* options, rocksdb_writebatch_t* batch,
    char** errptr) {
  SaveError(errptr, otxn_db->rep->Write(options->rep, &batch->rep));
}

void rocksdb_optimistictransactiondb_close(
    rocksdb_optimistictransactiondb_t* otxn_db) {
  delete otxn_db->rep;
  delete otxn_db;
}

rocksdb_checkpoint_t* rocksdb_optimistictransactiondb_checkpoint_object_create(
    rocksdb_optimistictransactiondb_t* otxn_db, char** errptr) {
  Checkpoint* checkpoint;
  if (SaveError(errptr, Checkpoint::Create(otxn_db->rep, &checkpoint))) {
    return nullptr;
  }
  rocksdb_checkpoint_t* result = new rocksdb_checkpoint_t;
  result->rep = checkpoint;
  return result;
}

void rocksdb_free(void* ptr) { free(ptr); }

rocksdb_pinnableslice_t* rocksdb_get_pinned(
    rocksdb_t* db, const rocksdb_readoptions_t* options, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = db->rep->Get(options->rep, db->rep->DefaultColumnFamily(),
                          Slice(key, keylen), &v->rep);
  if (!s.ok()) {
    delete (v);
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

rocksdb_pinnableslice_t* rocksdb_get_pinned_cf(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
  Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
                          &v->rep);
  if (!s.ok()) {
    delete v;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return v;
}

void rocksdb_pinnableslice_destroy(rocksdb_pinnableslice_t* v) { delete v; }

const char* rocksdb_pinnableslice_value(const rocksdb_pinnableslice_t* v,
                                        size_t* vlen) {
  if (!v) {
    *vlen = 0;
    return nullptr;
  }

  *vlen = v->rep.size();
  return v->rep.data();
}

// container to keep databases and caches in order to use
// ROCKSDB_NAMESPACE::MemoryUtil
struct rocksdb_memory_consumers_t {
  std::vector<rocksdb_t*> dbs;
  std::unordered_set<rocksdb_cache_t*> caches;
};

// initializes new container of memory consumers
rocksdb_memory_consumers_t* rocksdb_memory_consumers_create() {
  return new rocksdb_memory_consumers_t;
}

// adds datatabase to the container of memory consumers
void rocksdb_memory_consumers_add_db(rocksdb_memory_consumers_t* consumers,
                                     rocksdb_t* db) {
  consumers->dbs.push_back(db);
}

// adds cache to the container of memory consumers
void rocksdb_memory_consumers_add_cache(rocksdb_memory_consumers_t* consumers,
                                        rocksdb_cache_t* cache) {
  consumers->caches.insert(cache);
}

// deletes container with memory consumers
void rocksdb_memory_consumers_destroy(rocksdb_memory_consumers_t* consumers) {
  delete consumers;
}

// contains memory usage statistics provided by ROCKSDB_NAMESPACE::MemoryUtil
struct rocksdb_memory_usage_t {
  uint64_t mem_table_total;
  uint64_t mem_table_unflushed;
  uint64_t mem_table_readers_total;
  uint64_t cache_total;
};

// estimates amount of memory occupied by consumers (dbs and caches)
rocksdb_memory_usage_t* rocksdb_approximate_memory_usage_create(
    rocksdb_memory_consumers_t* consumers, char** errptr) {
  vector<DB*> dbs;
  for (auto db : consumers->dbs) {
    dbs.push_back(db->rep);
  }

  std::unordered_set<const Cache*> cache_set;
  for (auto cache : consumers->caches) {
    cache_set.insert(const_cast<const Cache*>(cache->rep.get()));
  }

  std::map<ROCKSDB_NAMESPACE::MemoryUtil::UsageType, uint64_t> usage_by_type;

  auto status = MemoryUtil::GetApproximateMemoryUsageByType(dbs, cache_set,
                                                            &usage_by_type);
  if (SaveError(errptr, status)) {
    return nullptr;
  }

  auto result = new rocksdb_memory_usage_t;
  result->mem_table_total = usage_by_type[MemoryUtil::kMemTableTotal];
  result->mem_table_unflushed = usage_by_type[MemoryUtil::kMemTableUnFlushed];
  result->mem_table_readers_total =
      usage_by_type[MemoryUtil::kTableReadersTotal];
  result->cache_total = usage_by_type[MemoryUtil::kCacheTotal];
  return result;
}

uint64_t rocksdb_approximate_memory_usage_get_mem_table_total(
    rocksdb_memory_usage_t* memory_usage) {
  return memory_usage->mem_table_total;
}

uint64_t rocksdb_approximate_memory_usage_get_mem_table_unflushed(
    rocksdb_memory_usage_t* memory_usage) {
  return memory_usage->mem_table_unflushed;
}

uint64_t rocksdb_approximate_memory_usage_get_mem_table_readers_total(
    rocksdb_memory_usage_t* memory_usage) {
  return memory_usage->mem_table_readers_total;
}

uint64_t rocksdb_approximate_memory_usage_get_cache_total(
    rocksdb_memory_usage_t* memory_usage) {
  return memory_usage->cache_total;
}

// deletes container with memory usage estimates
void rocksdb_approximate_memory_usage_destroy(rocksdb_memory_usage_t* usage) {
  delete usage;
}

void rocksdb_cancel_all_background_work(rocksdb_t* db, unsigned char wait) {
  CancelAllBackgroundWork(db->rep, wait);
}

void rocksdb_disable_manual_compaction(rocksdb_t* db) {
  db->rep->DisableManualCompaction();
}

void rocksdb_enable_manual_compaction(rocksdb_t* db) {
  db->rep->EnableManualCompaction();
}

void rocksdb_abort_all_compactions(rocksdb_t* db) {
  db->rep->AbortAllCompactions();
}

void rocksdb_resume_all_compactions(rocksdb_t* db) {
  db->rep->ResumeAllCompactions();
}

rocksdb_statistics_histogram_data_t*
rocksdb_statistics_histogram_data_create() {
  return new rocksdb_statistics_histogram_data_t{};
}

void rocksdb_statistics_histogram_data_destroy(
    rocksdb_statistics_histogram_data_t* data) {
  delete data;
}

double rocksdb_statistics_histogram_data_get_median(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.median;
}

double rocksdb_statistics_histogram_data_get_p95(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.percentile95;
}

double rocksdb_statistics_histogram_data_get_p99(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.percentile99;
}

double rocksdb_statistics_histogram_data_get_average(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.average;
}

double rocksdb_statistics_histogram_data_get_std_dev(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.standard_deviation;
}

double rocksdb_statistics_histogram_data_get_max(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.max;
}

uint64_t rocksdb_statistics_histogram_data_get_count(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.count;
}

uint64_t rocksdb_statistics_histogram_data_get_sum(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.sum;
}

double rocksdb_statistics_histogram_data_get_min(
    rocksdb_statistics_histogram_data_t* data) {
  return data->rep.min;
}

void rocksdb_wait_for_compact(rocksdb_t* db,
                              rocksdb_wait_for_compact_options_t* options,
                              char** errptr) {
  SaveError(errptr, db->rep->WaitForCompact(options->rep));
}

rocksdb_wait_for_compact_options_t* rocksdb_wait_for_compact_options_create() {
  return new rocksdb_wait_for_compact_options_t;
}

void rocksdb_wait_for_compact_options_destroy(
    rocksdb_wait_for_compact_options_t* opt) {
  delete opt;
}

void rocksdb_wait_for_compact_options_set_abort_on_pause(
    rocksdb_wait_for_compact_options_t* opt, unsigned char v) {
  opt->rep.abort_on_pause = v;
}

unsigned char rocksdb_wait_for_compact_options_get_abort_on_pause(
    rocksdb_wait_for_compact_options_t* opt) {
  return opt->rep.abort_on_pause;
}

void rocksdb_wait_for_compact_options_set_flush(
    rocksdb_wait_for_compact_options_t* opt, unsigned char v) {
  opt->rep.flush = v;
}

unsigned char rocksdb_wait_for_compact_options_get_flush(
    rocksdb_wait_for_compact_options_t* opt) {
  return opt->rep.flush;
}

void rocksdb_wait_for_compact_options_set_close_db(
    rocksdb_wait_for_compact_options_t* opt, unsigned char v) {
  opt->rep.close_db = v;
}

unsigned char rocksdb_wait_for_compact_options_get_close_db(
    rocksdb_wait_for_compact_options_t* opt) {
  return opt->rep.close_db;
}

void rocksdb_wait_for_compact_options_set_timeout(
    rocksdb_wait_for_compact_options_t* opt, uint64_t microseconds) {
  opt->rep.timeout = std::chrono::microseconds(microseconds);
}

uint64_t rocksdb_wait_for_compact_options_get_timeout(
    rocksdb_wait_for_compact_options_t* opt) {
  return opt->rep.timeout.count();
}

/* High-performance zero-copy Get implementations */

struct rocksdb_pinnable_handle_t {
  PinnableSlice rep;
};

rocksdb_pinnable_handle_t* rocksdb_get_pinned_v2(
    rocksdb_t* db, const rocksdb_readoptions_t* options, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnable_handle_t* handle = new rocksdb_pinnable_handle_t;
  Status s = db->rep->Get(options->rep, db->rep->DefaultColumnFamily(),
                          Slice(key, keylen), &handle->rep);
  if (!s.ok()) {
    delete handle;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return handle;
}

rocksdb_pinnable_handle_t* rocksdb_get_pinned_cf_v2(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char** errptr) {
  rocksdb_pinnable_handle_t* handle = new rocksdb_pinnable_handle_t;
  Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
                          &handle->rep);
  if (!s.ok()) {
    delete handle;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return nullptr;
  }
  return handle;
}

const char* rocksdb_pinnable_handle_get_value(
    const rocksdb_pinnable_handle_t* handle, size_t* vallen) {
  if (!handle) {
    *vallen = 0;
    return nullptr;
  }
  *vallen = handle->rep.size();
  return handle->rep.data();
}

void rocksdb_pinnable_handle_destroy(rocksdb_pinnable_handle_t* handle) {
  delete handle;
}

unsigned char rocksdb_get_into_buffer(rocksdb_t* db,
                                      const rocksdb_readoptions_t* options,
                                      const char* key, size_t keylen,
                                      char* buffer, size_t buffer_size,
                                      size_t* vallen, unsigned char* found,
                                      char** errptr) {
  PinnableSlice pinnable_val;
  Status s = db->rep->Get(options->rep, db->rep->DefaultColumnFamily(),
                          Slice(key, keylen), &pinnable_val);
  if (s.ok()) {
    *found = 1;
    *vallen = pinnable_val.size();
    if (buffer_size >= pinnable_val.size()) {
      memcpy(buffer, pinnable_val.data(), pinnable_val.size());
      return 1;  // Success - data copied
    }
    return 0;  // Buffer too small
  } else {
    *found = 0;
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return 0;
  }
}

unsigned char rocksdb_get_into_buffer_cf(
    rocksdb_t* db, const rocksdb_readoptions_t* options,
    rocksdb_column_family_handle_t* column_family, const char* key,
    size_t keylen, char* buffer, size_t buffer_size, size_t* vallen,
    unsigned char* found, char** errptr) {
  PinnableSlice pinnable_val;
  Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
                          &pinnable_val);
  if (s.ok()) {
    *found = 1;
    *vallen = pinnable_val.size();
    if (buffer_size >= pinnable_val.size()) {
      memcpy(buffer, pinnable_val.data(), pinnable_val.size());
      return 1;  // Success - data copied
    }
    return 0;  // Buffer too small
  } else {
    *found = 0;
    *vallen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
    return 0;
  }
}

}  // end extern "C"