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//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
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//  This source code is licensed under both the GPLv2 (found in the
//  COPYING file in the root directory) and Apache 2.0 License
//  (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

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#ifndef ROCKSDB_LITE

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#include "rocksdb/c.h"
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#include <cstdlib>
#include <map>
#include <unordered_set>
#include <vector>

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#include "port/port.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/comparator.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/filter_policy.h"
#include "rocksdb/iterator.h"
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#include "rocksdb/memtablerep.h"
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#include "rocksdb/merge_operator.h"
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#include "rocksdb/options.h"
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#include "rocksdb/perf_context.h"
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#include "rocksdb/rate_limiter.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/statistics.h"
#include "rocksdb/status.h"
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#include "rocksdb/table.h"
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#include "rocksdb/universal_compaction.h"
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#include "rocksdb/utilities/backupable_db.h"
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#include "rocksdb/utilities/checkpoint.h"
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#include "rocksdb/utilities/db_ttl.h"
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#include "rocksdb/utilities/memory_util.h"
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#include "rocksdb/utilities/optimistic_transaction_db.h"
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#include "rocksdb/utilities/table_properties_collectors.h"
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#include "rocksdb/utilities/transaction.h"
#include "rocksdb/utilities/transaction_db.h"
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#include "rocksdb/utilities/write_batch_with_index.h"
#include "rocksdb/write_batch.h"
#include "utilities/merge_operators.h"
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using ROCKSDB_NAMESPACE::BackupableDBOptions;
using ROCKSDB_NAMESPACE::BackupEngine;
using ROCKSDB_NAMESPACE::BackupID;
using ROCKSDB_NAMESPACE::BackupInfo;
using ROCKSDB_NAMESPACE::BatchResult;
using ROCKSDB_NAMESPACE::BlockBasedTableOptions;
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::ColumnFamilyOptions;
using ROCKSDB_NAMESPACE::CompactionFilter;
using ROCKSDB_NAMESPACE::CompactionFilterFactory;
using ROCKSDB_NAMESPACE::CompactionOptionsFIFO;
using ROCKSDB_NAMESPACE::CompactRangeOptions;
using ROCKSDB_NAMESPACE::Comparator;
using ROCKSDB_NAMESPACE::CompressionType;
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::FileLock;
using ROCKSDB_NAMESPACE::FilterPolicy;
using ROCKSDB_NAMESPACE::FlushOptions;
using ROCKSDB_NAMESPACE::InfoLogLevel;
using ROCKSDB_NAMESPACE::IngestExternalFileOptions;
using ROCKSDB_NAMESPACE::Iterator;
using ROCKSDB_NAMESPACE::LiveFileMetaData;
using ROCKSDB_NAMESPACE::Logger;
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using ROCKSDB_NAMESPACE::LRUCacheOptions;
using ROCKSDB_NAMESPACE::MemoryAllocator;
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using ROCKSDB_NAMESPACE::MemoryUtil;
using ROCKSDB_NAMESPACE::MergeOperator;
using ROCKSDB_NAMESPACE::NewBloomFilterPolicy;
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using ROCKSDB_NAMESPACE::NewCompactOnDeletionCollectorFactory;
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using ROCKSDB_NAMESPACE::NewGenericRateLimiter;
using ROCKSDB_NAMESPACE::NewLRUCache;
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using ROCKSDB_NAMESPACE::NewRibbonFilterPolicy;
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using ROCKSDB_NAMESPACE::OptimisticTransactionDB;
using ROCKSDB_NAMESPACE::OptimisticTransactionOptions;
using ROCKSDB_NAMESPACE::Options;
using ROCKSDB_NAMESPACE::PerfContext;
using ROCKSDB_NAMESPACE::PerfLevel;
using ROCKSDB_NAMESPACE::PinnableSlice;
using ROCKSDB_NAMESPACE::RandomAccessFile;
using ROCKSDB_NAMESPACE::Range;
using ROCKSDB_NAMESPACE::RateLimiter;
using ROCKSDB_NAMESPACE::ReadOptions;
using ROCKSDB_NAMESPACE::RestoreOptions;
using ROCKSDB_NAMESPACE::SequentialFile;
using ROCKSDB_NAMESPACE::Slice;
using ROCKSDB_NAMESPACE::SliceParts;
using ROCKSDB_NAMESPACE::SliceTransform;
using ROCKSDB_NAMESPACE::Snapshot;
using ROCKSDB_NAMESPACE::SstFileWriter;
using ROCKSDB_NAMESPACE::Status;
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using ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory;
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using ROCKSDB_NAMESPACE::Transaction;
using ROCKSDB_NAMESPACE::TransactionDB;
using ROCKSDB_NAMESPACE::TransactionDBOptions;
using ROCKSDB_NAMESPACE::TransactionLogIterator;
using ROCKSDB_NAMESPACE::TransactionOptions;
using ROCKSDB_NAMESPACE::WALRecoveryMode;
using ROCKSDB_NAMESPACE::WritableFile;
using ROCKSDB_NAMESPACE::WriteBatch;
using ROCKSDB_NAMESPACE::WriteBatchWithIndex;
using ROCKSDB_NAMESPACE::WriteOptions;
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using std::vector;
using std::unordered_set;
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extern "C" {

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struct rocksdb_t                 { DB*               rep; };
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struct rocksdb_backup_engine_t   { BackupEngine*     rep; };
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struct rocksdb_backup_engine_info_t { std::vector<BackupInfo> rep; };
struct rocksdb_restore_options_t { RestoreOptions rep; };
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struct rocksdb_iterator_t        { Iterator*         rep; };
struct rocksdb_writebatch_t      { WriteBatch        rep; };
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struct rocksdb_writebatch_wi_t   { WriteBatchWithIndex* rep; };
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struct rocksdb_snapshot_t        { const Snapshot*   rep; };
struct rocksdb_flushoptions_t    { FlushOptions      rep; };
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struct rocksdb_fifo_compaction_options_t { CompactionOptionsFIFO rep; };
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struct rocksdb_readoptions_t {
   ReadOptions rep;
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   // stack variables to set pointers to in ReadOptions
   Slice upper_bound;
   Slice lower_bound;
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};
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struct rocksdb_writeoptions_t    { WriteOptions      rep; };
struct rocksdb_options_t         { Options           rep; };
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struct rocksdb_compactoptions_t {
  CompactRangeOptions rep;
};
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struct rocksdb_block_based_table_options_t  { BlockBasedTableOptions rep; };
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struct rocksdb_cuckoo_table_options_t  { CuckooTableOptions rep; };
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struct rocksdb_seqfile_t         { SequentialFile*   rep; };
struct rocksdb_randomfile_t      { RandomAccessFile* rep; };
struct rocksdb_writablefile_t    { WritableFile*     rep; };
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struct rocksdb_wal_iterator_t { TransactionLogIterator* rep; };
struct rocksdb_wal_readoptions_t { TransactionLogIterator::ReadOptions rep; };
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struct rocksdb_filelock_t        { FileLock*         rep; };
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struct rocksdb_logger_t {
  std::shared_ptr<Logger> rep;
};
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struct rocksdb_lru_cache_options_t {
  LRUCacheOptions rep;
};
struct rocksdb_memory_allocator_t {
  std::shared_ptr<MemoryAllocator> rep;
};
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struct rocksdb_cache_t {
  std::shared_ptr<Cache> rep;
};
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struct rocksdb_livefiles_t       { std::vector<LiveFileMetaData> rep; };
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struct rocksdb_column_family_handle_t  { ColumnFamilyHandle* rep; };
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struct rocksdb_envoptions_t      { EnvOptions        rep; };
struct rocksdb_ingestexternalfileoptions_t  { IngestExternalFileOptions rep; };
struct rocksdb_sstfilewriter_t   { SstFileWriter*    rep; };
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struct rocksdb_ratelimiter_t {
  std::shared_ptr<RateLimiter> rep;
};
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struct rocksdb_perfcontext_t     { PerfContext*      rep; };
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struct rocksdb_pinnableslice_t {
  PinnableSlice rep;
};
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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;
};
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struct rocksdb_backupable_db_options_t {
  BackupableDBOptions rep;
};
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struct rocksdb_checkpoint_t {
  Checkpoint* rep;
};
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struct rocksdb_optimistictransactiondb_t {
  OptimisticTransactionDB* rep;
};
struct rocksdb_optimistictransaction_options_t {
  OptimisticTransactionOptions rep;
};
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struct rocksdb_compactionfiltercontext_t {
  CompactionFilter::Context rep;
};

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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*);
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  unsigned char ignore_snapshots_;
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  ~rocksdb_compactionfilter_t() override { (*destructor_)(state_); }
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  bool Filter(int level, const Slice& key, const Slice& existing_value,
              std::string* new_value, bool* value_changed) const override {
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    char* c_new_value = nullptr;
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    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;
  }

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

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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*);

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

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

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struct rocksdb_comparator_t : public Comparator {
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  void* state_;
  void (*destructor_)(void*);
  int (*compare_)(
      void*,
      const char* a, size_t alen,
      const char* b, size_t blen);
  const char* (*name_)(void*);

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

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

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struct rocksdb_filterpolicy_t : public FilterPolicy {
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  void* state_;
  void (*destructor_)(void*);
  const char* (*name_)(void*);
  char* (*create_)(
      void*,
      const char* const* key_array, const size_t* key_length_array,
      int num_keys,
      size_t* filter_length);
  unsigned char (*key_match_)(
      void*,
      const char* key, size_t length,
      const char* filter, size_t filter_length);
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  void (*delete_filter_)(
      void*,
      const char* filter, size_t filter_length);
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  ~rocksdb_filterpolicy_t() override { (*destructor_)(state_); }
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  const char* Name() const override { return (*name_)(state_); }
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  void CreateFilter(const Slice* keys, int n, std::string* dst) const override {
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    std::vector<const char*> key_pointers(n);
    std::vector<size_t> key_sizes(n);
    for (int i = 0; i < n; i++) {
      key_pointers[i] = keys[i].data();
      key_sizes[i] = keys[i].size();
    }
    size_t len;
    char* filter = (*create_)(state_, &key_pointers[0], &key_sizes[0], n, &len);
    dst->append(filter, len);
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    if (delete_filter_ != nullptr) {
      (*delete_filter_)(state_, filter, len);
    } else {
      free(filter);
    }
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  }

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  bool KeyMayMatch(const Slice& key, const Slice& filter) const override {
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    return (*key_match_)(state_, key.data(), key.size(),
                         filter.data(), filter.size());
  }
};

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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);
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  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);
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  void (*delete_value_)(
      void*,
      const char* value, size_t value_length);
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  ~rocksdb_mergeoperator_t() override { (*destructor_)(state_); }
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  const char* Name() const override { return (*name_)(state_); }
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  bool FullMergeV2(const MergeOperationInput& merge_in,
                   MergeOperationOutput* merge_out) const override {
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    size_t n = merge_in.operand_list.size();
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    std::vector<const char*> operand_pointers(n);
    std::vector<size_t> operand_sizes(n);
    for (size_t i = 0; i < n; i++) {
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      Slice operand(merge_in.operand_list[i]);
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      operand_pointers[i] = operand.data();
      operand_sizes[i] = operand.size();
    }

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

    unsigned char success;
    size_t new_value_len;
    char* tmp_new_value = (*full_merge_)(
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        state_, merge_in.key.data(), merge_in.key.size(), existing_value_data,
        existing_value_len, &operand_pointers[0], &operand_sizes[0],
        static_cast<int>(n), &success, &new_value_len);
    merge_out->new_value.assign(tmp_new_value, new_value_len);
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    if (delete_value_ != nullptr) {
      (*delete_value_)(state_, tmp_new_value, new_value_len);
    } else {
      free(tmp_new_value);
    }

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    return success;
  }

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  bool PartialMergeMulti(const Slice& key,
                         const std::deque<Slice>& operand_list,
                         std::string* new_value,
                         Logger* /*logger*/) const override {
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    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();
    }
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    unsigned char success;
    size_t new_value_len;
    char* tmp_new_value = (*partial_merge_)(
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        state_, key.data(), key.size(), &operand_pointers[0], &operand_sizes[0],
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        static_cast<int>(operand_count), &success, &new_value_len);
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    new_value->assign(tmp_new_value, new_value_len);

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

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    return success;
  }
};

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struct rocksdb_dbpath_t {
  DbPath rep;
};

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

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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);
  unsigned char (*in_range_)(
      void*,
      const char* key, size_t length);

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

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

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

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

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

static char* CopyString(const std::string& str) {
  char* result = reinterpret_cast<char*>(malloc(sizeof(char) * str.size()));
  memcpy(result, str.data(), sizeof(char) * str.size());
  return result;
}

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

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

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

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

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

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rocksdb_backup_engine_t* rocksdb_backup_engine_open_opts(
    const rocksdb_backupable_db_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;
}

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

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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));
}

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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));
}

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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;
}

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void rocksdb_restore_options_set_keep_log_files(rocksdb_restore_options_t* opt,
                                                int v) {
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  opt->rep.keep_log_files = v;
}

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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)));
}

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void rocksdb_backup_engine_restore_db_from_latest_backup(
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    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));
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}

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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));
}

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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;
}

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

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

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

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

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

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

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

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rocksdb_backupable_db_options_t* rocksdb_backupable_db_options_create(
    const char* backup_dir) {
  return new rocksdb_backupable_db_options_t{
      BackupableDBOptions(std::string(backup_dir))};
}

void rocksdb_backupable_db_options_set_backup_dir(
    rocksdb_backupable_db_options_t* options, const char* backup_dir) {
  options->rep.backup_dir = std::string(backup_dir);
}

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

void rocksdb_backupable_db_options_set_share_table_files(
    rocksdb_backupable_db_options_t* options, unsigned char val) {
  options->rep.share_table_files = val;
}

unsigned char rocksdb_backupable_db_options_get_share_table_files(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.share_table_files;
}

void rocksdb_backupable_db_options_set_sync(
    rocksdb_backupable_db_options_t* options, unsigned char val) {
  options->rep.sync = val;
}

unsigned char rocksdb_backupable_db_options_get_sync(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.sync;
}

void rocksdb_backupable_db_options_set_destroy_old_data(
    rocksdb_backupable_db_options_t* options, unsigned char val) {
  options->rep.destroy_old_data = val;
}

unsigned char rocksdb_backupable_db_options_get_destroy_old_data(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.destroy_old_data;
}

void rocksdb_backupable_db_options_set_backup_log_files(
    rocksdb_backupable_db_options_t* options, unsigned char val) {
  options->rep.backup_log_files = val;
}

unsigned char rocksdb_backupable_db_options_get_backup_log_files(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.backup_log_files;
}

void rocksdb_backupable_db_options_set_backup_rate_limit(
    rocksdb_backupable_db_options_t* options, uint64_t limit) {
  options->rep.backup_rate_limit = limit;
}

uint64_t rocksdb_backupable_db_options_get_backup_rate_limit(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.backup_rate_limit;
}

void rocksdb_backupable_db_options_set_restore_rate_limit(
    rocksdb_backupable_db_options_t* options, uint64_t limit) {
  options->rep.restore_rate_limit = limit;
}

uint64_t rocksdb_backupable_db_options_get_restore_rate_limit(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.restore_rate_limit;
}

void rocksdb_backupable_db_options_set_max_background_operations(
    rocksdb_backupable_db_options_t* options, int val) {
  options->rep.max_background_operations = val;
}

int rocksdb_backupable_db_options_get_max_background_operations(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.max_background_operations;
}

void rocksdb_backupable_db_options_set_callback_trigger_interval_size(
    rocksdb_backupable_db_options_t* options, uint64_t size) {
  options->rep.callback_trigger_interval_size = size;
}

uint64_t rocksdb_backupable_db_options_get_callback_trigger_interval_size(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.callback_trigger_interval_size;
}

void rocksdb_backupable_db_options_set_max_valid_backups_to_open(
    rocksdb_backupable_db_options_t* options, int val) {
  options->rep.max_valid_backups_to_open = val;
}

int rocksdb_backupable_db_options_get_max_valid_backups_to_open(
    rocksdb_backupable_db_options_t* options) {
  return options->rep.max_valid_backups_to_open;
}

void rocksdb_backupable_db_options_set_share_files_with_checksum_naming(
    rocksdb_backupable_db_options_t* options, int val) {
  options->rep.share_files_with_checksum_naming =
      static_cast<BackupableDBOptions::ShareFilesNaming>(val);
}

int rocksdb_backupable_db_options_get_share_files_with_checksum_naming(
    rocksdb_backupable_db_options_t* options) {
  return static_cast<int>(options->rep.share_files_with_checksum_naming);
}

void rocksdb_backupable_db_options_destroy(
    rocksdb_backupable_db_options_t* options) {
  delete options;
}

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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));
}

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

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

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

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

  DB* db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::Open(DBOptions(db_options->rep),
          std::string(name), column_families, &handles, &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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

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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.push_back(ColumnFamilyDescriptor(
        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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

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

  DB* db;
  std::vector<ColumnFamilyHandle*> handles;
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  if (SaveError(errptr,
                DB::OpenForReadOnly(DBOptions(db_options->rep),
                                    std::string(name), column_families,
                                    &handles, &db, error_if_wal_file_exists))) {
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    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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

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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,
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    const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
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    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));
  }
  DB* db;
  std::vector<ColumnFamilyHandle*> handles;
  if (SaveError(errptr, DB::OpenAsSecondary(DBOptions(db_options->rep),
                                            std::string(name),
                                            std::string(secondary_path),
                                            column_families, &handles, &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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_t* result = new rocksdb_t;
  result->rep = db;
  return result;
}

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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;
}

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

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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;
  SaveError(errptr,
      db->rep->CreateColumnFamily(ColumnFamilyOptions(column_family_options->rep),
        std::string(column_family_name), &(handle->rep)));
  return handle;
}

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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));
  return handle;
}

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

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

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void rocksdb_put(
    rocksdb_t* db,
    const rocksdb_writeoptions_t* options,
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    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)));
}

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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)));
}

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

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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)));
}

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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) {
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  SaveError(errptr, db->rep->DeleteRange(options->rep, column_family->rep,
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                                         Slice(start_key, start_key_len),
                                         Slice(end_key, end_key_len)));
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}

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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)));
}
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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)));
}

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

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char* rocksdb_get(
    rocksdb_t* db,
    const rocksdb_readoptions_t* options,
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    const char* key, size_t keylen,
    size_t* vallen,
    char** errptr) {
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  char* result = nullptr;
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  std::string tmp;
  Status s = db->rep->Get(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;
}

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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;
  std::string tmp;
  Status s = db->rep->Get(options->rep, column_family->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;
}

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Reed Allman 已提交
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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) {
  std::vector<Slice> keys(num_keys);
  for (size_t i = 0; i < num_keys; i++) {
    keys[i] = Slice(keys_list[i], keys_list_sizes[i]);
  }
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses = db->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_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) {
  std::vector<Slice> keys(num_keys);
  std::vector<ColumnFamilyHandle*> cfs(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;
  }
  std::vector<std::string> values(num_keys);
  std::vector<Status> statuses = db->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;
      }
    }
  }
}

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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;
}

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

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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;
}

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_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();
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  result->rep = std::move(*wal_batch.writeBatchPtr);
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  if (seq != nullptr) {
    *seq = wal_batch.sequence;
  }
  return result;
}

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

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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;
}

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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];
  }
}

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

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

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

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oranagra 已提交
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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;
  }
}

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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;
  }
}

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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;
  }
}

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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) {
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  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]);
  }
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  Status s = db->rep->GetApproximateSizes(ranges, num_ranges, sizes);
  if (!s.ok()) {
    SaveError(errptr, s);
  }
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  delete[] ranges;
}

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void rocksdb_approximate_sizes_cf(
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    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) {
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  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]);
  }
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  Status s = db->rep->GetApproximateSizes(column_family->rep, ranges,
                                          num_ranges, sizes);
  if (!s.ok()) {
    SaveError(errptr, s);
  }
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  delete[] ranges;
}

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Albert Strasheim 已提交
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void rocksdb_delete_file(
    rocksdb_t* db,
    const char* name) {
  db->rep->DeleteFile(name);
}

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

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void rocksdb_compact_range(
    rocksdb_t* db,
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Sanjay Ghemawat 已提交
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    const char* start_key, size_t start_key_len,
    const char* limit_key, size_t limit_key_len) {
  Slice a, b;
  db->rep->CompactRange(
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      CompactRangeOptions(),
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      // 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));
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}

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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, b;
  db->rep->CompactRange(
1471
      CompactRangeOptions(), column_family->rep,
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      // 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));
}

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zhangjinpeng1987 已提交
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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, 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, 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));
}

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

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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));
}

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

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

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

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

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

1547
void rocksdb_iter_destroy(rocksdb_iterator_t* iter) {
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  delete iter->rep;
  delete iter;
}

1552
unsigned char rocksdb_iter_valid(const rocksdb_iterator_t* iter) {
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  return iter->rep->Valid();
}

1556
void rocksdb_iter_seek_to_first(rocksdb_iterator_t* iter) {
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  iter->rep->SeekToFirst();
}

1560
void rocksdb_iter_seek_to_last(rocksdb_iterator_t* iter) {
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  iter->rep->SeekToLast();
}

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

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

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

1577
void rocksdb_iter_prev(rocksdb_iterator_t* iter) {
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  iter->rep->Prev();
}

1581
const char* rocksdb_iter_key(const rocksdb_iterator_t* iter, size_t* klen) {
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  Slice s = iter->rep->key();
  *klen = s.size();
  return s.data();
}

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

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

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rocksdb_writebatch_t* rocksdb_writebatch_create() {
  return new rocksdb_writebatch_t;
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}

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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;
}

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

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

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

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

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Reed Allman 已提交
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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));
}

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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) {
  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(SliceParts(key_slices.data(), num_keys),
             SliceParts(value_slices.data(), 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) {
  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));
}

T
Thomas Adam 已提交
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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));
}

R
Reed Allman 已提交
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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));
}

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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) {
  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.Merge(SliceParts(key_slices.data(), num_keys),
               SliceParts(value_slices.data(), 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) {
  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.Merge(column_family->rep, SliceParts(key_slices.data(), num_keys),
               SliceParts(value_slices.data(), num_values));
}

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

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

R
Reed Allman 已提交
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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));
}

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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));
}

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void rocksdb_writebatch_deletev(
    rocksdb_writebatch_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_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) {
  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(column_family->rep, SliceParts(key_slices.data(), num_keys));
}

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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) {
  std::vector<Slice> start_key_slices(num_keys);
  std::vector<Slice> end_key_slices(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.data(), num_keys),
                     SliceParts(end_key_slices.data(), 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) {
  std::vector<Slice> start_key_slices(num_keys);
  std::vector<Slice> end_key_slices(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.data(), num_keys),
                     SliceParts(end_key_slices.data(), num_keys));
}

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

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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);
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  void Put(const Slice& key, const Slice& value) override {
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    (*put_)(state_, key.data(), key.size(), value.data(), value.size());
  }
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  void Delete(const Slice& key) override {
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    (*deleted_)(state_, key.data(), key.size());
  }
};

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void rocksdb_writebatch_iterate(
    rocksdb_writebatch_t* b,
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    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.Iterate(&handler);
}

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

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Jay Lee 已提交
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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());
}

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

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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;
}

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) {
  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(SliceParts(key_slices.data(), num_keys),
             SliceParts(value_slices.data(), 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) {
  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->Merge(SliceParts(key_slices.data(), num_keys),
               SliceParts(value_slices.data(), 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) {
  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->Merge(column_family->rep, SliceParts(key_slices.data(), num_keys),
               SliceParts(value_slices.data(), num_values));
}

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

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

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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));
}

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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));
}

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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) {
  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(column_family->rep, SliceParts(key_slices.data(), 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) {
  std::vector<Slice> start_key_slices(num_keys);
  std::vector<Slice> end_key_slices(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.data(), num_keys),
                     SliceParts(end_key_slices.data(), 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) {
  std::vector<Slice> start_key_slices(num_keys);
  std::vector<Slice> end_key_slices(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.data(), num_keys),
                     SliceParts(end_key_slices.data(), 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;
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  result->rep = wbwi->rep->NewIteratorWithBase(base_iterator->rep);
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  delete base_iterator;
  return result;
}

2128
rocksdb_iterator_t* rocksdb_writebatch_wi_create_iterator_with_base_cf(
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    rocksdb_writebatch_wi_t* wbwi, rocksdb_iterator_t* base_iterator,
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    rocksdb_column_family_handle_t* column_family) {
  rocksdb_iterator_t* result = new rocksdb_iterator_t;
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  result->rep =
      wbwi->rep->NewIteratorWithBase(column_family->rep, base_iterator->rep);
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  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;
  std::string tmp;
  Status s = wbwi->rep->GetFromBatchAndDB(db->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_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;
  std::string tmp;
  Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep, column_family->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;
}

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));
}

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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;
}

void rocksdb_block_based_options_set_block_size(
    rocksdb_block_based_table_options_t* options, size_t block_size) {
  options->rep.block_size = block_size;
}

void rocksdb_block_based_options_set_block_size_deviation(
    rocksdb_block_based_table_options_t* options, int block_size_deviation) {
  options->rep.block_size_deviation = block_size_deviation;
}

void rocksdb_block_based_options_set_block_restart_interval(
    rocksdb_block_based_table_options_t* options, int block_restart_interval) {
  options->rep.block_restart_interval = block_restart_interval;
}

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void rocksdb_block_based_options_set_index_block_restart_interval(
    rocksdb_block_based_table_options_t* options, int index_block_restart_interval) {
  options->rep.index_block_restart_interval = index_block_restart_interval;
}

void rocksdb_block_based_options_set_metadata_block_size(
    rocksdb_block_based_table_options_t* options, uint64_t metadata_block_size) {
  options->rep.metadata_block_size = metadata_block_size;
}

void rocksdb_block_based_options_set_partition_filters(
    rocksdb_block_based_table_options_t* options, unsigned char partition_filters) {
  options->rep.partition_filters = partition_filters;
}

void rocksdb_block_based_options_set_use_delta_encoding(
    rocksdb_block_based_table_options_t* options, unsigned char use_delta_encoding) {
  options->rep.use_delta_encoding = use_delta_encoding;
}

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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_no_block_cache(
    rocksdb_block_based_table_options_t* options,
    unsigned char no_block_cache) {
  options->rep.no_block_cache = no_block_cache;
}

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_block_cache_compressed(
    rocksdb_block_based_table_options_t* options,
    rocksdb_cache_t* block_cache_compressed) {
  if (block_cache_compressed) {
    options->rep.block_cache_compressed = block_cache_compressed->rep;
  }
}

void rocksdb_block_based_options_set_whole_key_filtering(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.whole_key_filtering = v;
}

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void rocksdb_block_based_options_set_format_version(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.format_version = v;
}

void rocksdb_block_based_options_set_index_type(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.index_type = static_cast<BlockBasedTableOptions::IndexType>(v);
}

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void rocksdb_block_based_options_set_data_block_index_type(
    rocksdb_block_based_table_options_t* options, int v) {
  options->rep.data_block_index_type =
          static_cast<BlockBasedTableOptions::DataBlockIndexType>(v);
}

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;
}

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void rocksdb_block_based_options_set_hash_index_allow_collision(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.hash_index_allow_collision = v;
}

void rocksdb_block_based_options_set_cache_index_and_filter_blocks(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.cache_index_and_filter_blocks = v;
}

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void rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.cache_index_and_filter_blocks_with_high_priority = v;
}

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void rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.pin_l0_filter_and_index_blocks_in_cache = v;
}

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void rocksdb_block_based_options_set_pin_top_level_index_and_filter(
    rocksdb_block_based_table_options_t* options, unsigned char v) {
  options->rep.pin_top_level_index_and_filter = v;
}

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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(
2366
        ROCKSDB_NAMESPACE::NewBlockBasedTableFactory(table_options->rep));
2367 2368 2369
  }
}

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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;
}

void rocksdb_cuckoo_options_set_hash_ratio(
    rocksdb_cuckoo_table_options_t* options, double v) {
  options->rep.hash_table_ratio = v;
}

void rocksdb_cuckoo_options_set_max_search_depth(
    rocksdb_cuckoo_table_options_t* options, uint32_t v) {
  options->rep.max_search_depth = v;
}

void rocksdb_cuckoo_options_set_cuckoo_block_size(
    rocksdb_cuckoo_table_options_t* options, uint32_t v) {
  options->rep.cuckoo_block_size = v;
}

void rocksdb_cuckoo_options_set_identity_as_first_hash(
    rocksdb_cuckoo_table_options_t* options, unsigned char v) {
  options->rep.identity_as_first_hash = v;
}

void rocksdb_cuckoo_options_set_use_module_hash(
    rocksdb_cuckoo_table_options_t* options, unsigned char v) {
  options->rep.use_module_hash = v;
}

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(
2410
        ROCKSDB_NAMESPACE::NewCuckooTableFactory(table_options->rep));
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  }
}

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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));
    }
2422

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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));
    }

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rocksdb_options_t* rocksdb_options_create() {
  return new rocksdb_options_t;
2434 2435
}

2436
void rocksdb_options_destroy(rocksdb_options_t* options) {
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  delete options;
}

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

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

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

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);
}

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void rocksdb_options_set_allow_ingest_behind(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.allow_ingest_behind = v;
}

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unsigned char rocksdb_options_get_allow_ingest_behind(rocksdb_options_t* opt) {
  return opt->rep.allow_ingest_behind;
}

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

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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);
}

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void rocksdb_options_compaction_readahead_size(
    rocksdb_options_t* opt, size_t s) {
  opt->rep.compaction_readahead_size = s;
}

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size_t rocksdb_options_get_compaction_readahead_size(rocksdb_options_t* opt) {
  return opt->rep.compaction_readahead_size;
}

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void rocksdb_options_set_comparator(
    rocksdb_options_t* opt,
    rocksdb_comparator_t* cmp) {
2497 2498 2499
  opt->rep.comparator = cmp;
}

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

2506 2507
void rocksdb_options_set_create_if_missing(
    rocksdb_options_t* opt, unsigned char v) {
2508 2509 2510
  opt->rep.create_if_missing = v;
}

2511 2512 2513 2514
unsigned char rocksdb_options_get_create_if_missing(rocksdb_options_t* opt) {
  return opt->rep.create_if_missing;
}

2515 2516 2517 2518 2519
void rocksdb_options_set_create_missing_column_families(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.create_missing_column_families = v;
}

2520 2521 2522 2523 2524
unsigned char rocksdb_options_get_create_missing_column_families(
    rocksdb_options_t* opt) {
  return opt->rep.create_missing_column_families;
}

2525 2526
void rocksdb_options_set_error_if_exists(
    rocksdb_options_t* opt, unsigned char v) {
2527 2528 2529
  opt->rep.error_if_exists = v;
}

2530 2531 2532 2533
unsigned char rocksdb_options_get_error_if_exists(rocksdb_options_t* opt) {
  return opt->rep.error_if_exists;
}

2534 2535
void rocksdb_options_set_paranoid_checks(
    rocksdb_options_t* opt, unsigned char v) {
2536 2537 2538
  opt->rep.paranoid_checks = v;
}

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unsigned char rocksdb_options_get_paranoid_checks(rocksdb_options_t* opt) {
  return opt->rep.paranoid_checks;
}

2543 2544
void rocksdb_options_set_db_paths(rocksdb_options_t* opt,
                                  const rocksdb_dbpath_t** dbpath_values,
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                                  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;
}

2553
void rocksdb_options_set_env(rocksdb_options_t* opt, rocksdb_env_t* env) {
2554
  opt->rep.env = (env ? env->rep : nullptr);
2555 2556
}

2557
void rocksdb_options_set_info_log(rocksdb_options_t* opt, rocksdb_logger_t* l) {
2558 2559 2560
  if (l) {
    opt->rep.info_log = l->rep;
  }
2561 2562
}

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void rocksdb_options_set_info_log_level(
    rocksdb_options_t* opt, int v) {
  opt->rep.info_log_level = static_cast<InfoLogLevel>(v);
}

2568 2569 2570 2571
int rocksdb_options_get_info_log_level(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.info_log_level);
}

2572 2573 2574 2575 2576
void rocksdb_options_set_db_write_buffer_size(rocksdb_options_t* opt,
                                              size_t s) {
  opt->rep.db_write_buffer_size = s;
}

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size_t rocksdb_options_get_db_write_buffer_size(rocksdb_options_t* opt) {
  return opt->rep.db_write_buffer_size;
}

2581
void rocksdb_options_set_write_buffer_size(rocksdb_options_t* opt, size_t s) {
2582 2583 2584
  opt->rep.write_buffer_size = s;
}

2585 2586 2587 2588
size_t rocksdb_options_get_write_buffer_size(rocksdb_options_t* opt) {
  return opt->rep.write_buffer_size;
}

2589
void rocksdb_options_set_max_open_files(rocksdb_options_t* opt, int n) {
2590 2591 2592
  opt->rep.max_open_files = n;
}

2593 2594 2595 2596
int rocksdb_options_get_max_open_files(rocksdb_options_t* opt) {
  return opt->rep.max_open_files;
}

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void rocksdb_options_set_max_file_opening_threads(rocksdb_options_t* opt, int n) {
  opt->rep.max_file_opening_threads = n;
}

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int rocksdb_options_get_max_file_opening_threads(rocksdb_options_t* opt) {
  return opt->rep.max_file_opening_threads;
}

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void rocksdb_options_set_max_total_wal_size(rocksdb_options_t* opt, uint64_t n) {
  opt->rep.max_total_wal_size = n;
}

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uint64_t rocksdb_options_get_max_total_wal_size(rocksdb_options_t* opt) {
  return opt->rep.max_total_wal_size;
}

2613 2614
void rocksdb_options_set_target_file_size_base(
    rocksdb_options_t* opt, uint64_t n) {
2615 2616 2617
  opt->rep.target_file_size_base = n;
}

2618 2619 2620 2621
uint64_t rocksdb_options_get_target_file_size_base(rocksdb_options_t* opt) {
  return opt->rep.target_file_size_base;
}

2622 2623
void rocksdb_options_set_target_file_size_multiplier(
    rocksdb_options_t* opt, int n) {
2624 2625 2626
  opt->rep.target_file_size_multiplier = n;
}

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int rocksdb_options_get_target_file_size_multiplier(rocksdb_options_t* opt) {
  return opt->rep.target_file_size_multiplier;
}

2631 2632
void rocksdb_options_set_max_bytes_for_level_base(
    rocksdb_options_t* opt, uint64_t n) {
2633 2634 2635
  opt->rep.max_bytes_for_level_base = n;
}

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uint64_t rocksdb_options_get_max_bytes_for_level_base(rocksdb_options_t* opt) {
  return opt->rep.max_bytes_for_level_base;
}

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void rocksdb_options_set_level_compaction_dynamic_level_bytes(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.level_compaction_dynamic_level_bytes = v;
}

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unsigned char rocksdb_options_get_level_compaction_dynamic_level_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.level_compaction_dynamic_level_bytes;
}

2650 2651
void rocksdb_options_set_max_bytes_for_level_multiplier(rocksdb_options_t* opt,
                                                        double n) {
2652 2653 2654
  opt->rep.max_bytes_for_level_multiplier = n;
}

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double rocksdb_options_get_max_bytes_for_level_multiplier(
    rocksdb_options_t* opt) {
  return opt->rep.max_bytes_for_level_multiplier;
}

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void rocksdb_options_set_max_compaction_bytes(rocksdb_options_t* opt,
                                              uint64_t n) {
  opt->rep.max_compaction_bytes = n;
2663 2664
}

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uint64_t rocksdb_options_get_max_compaction_bytes(rocksdb_options_t* opt) {
  return opt->rep.max_compaction_bytes;
}

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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];
  }
}

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void rocksdb_options_enable_statistics(rocksdb_options_t* opt) {
2678
  opt->rep.statistics = ROCKSDB_NAMESPACE::CreateDBStatistics();
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Thomas Adam 已提交
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}

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void rocksdb_options_set_skip_stats_update_on_db_open(rocksdb_options_t* opt,
                                                      unsigned char val) {
2683 2684 2685
  opt->rep.skip_stats_update_on_db_open = val;
}

2686 2687 2688 2689 2690
unsigned char rocksdb_options_get_skip_stats_update_on_db_open(
    rocksdb_options_t* opt) {
  return opt->rep.skip_stats_update_on_db_open;
}

2691 2692 2693 2694 2695
void rocksdb_options_set_skip_checking_sst_file_sizes_on_db_open(
    rocksdb_options_t* opt, unsigned char val) {
  opt->rep.skip_checking_sst_file_sizes_on_db_open = val;
}

2696 2697 2698 2699 2700
unsigned char rocksdb_options_get_skip_checking_sst_file_sizes_on_db_open(
    rocksdb_options_t* opt) {
  return opt->rep.skip_checking_sst_file_sizes_on_db_open;
}

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2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753
/* Blob Options Settings */
void rocksdb_options_set_enable_blob_files(rocksdb_options_t* opt,
                                           unsigned char val) {
  opt->rep.enable_blob_files = val;
}
extern ROCKSDB_LIBRARY_API 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 val) {
  opt->rep.min_blob_size = val;
}

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 val) {
  opt->rep.blob_file_size = val;
}

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 val) {
  opt->rep.blob_compression_type = static_cast<CompressionType>(val);
}

int rocksdb_options_get_blob_compression_type(rocksdb_options_t* opt) {
  return opt->rep.blob_compression_type;
}

void rocksdb_options_set_enable_blob_gc(rocksdb_options_t* opt,
                                        unsigned char val) {
  opt->rep.enable_blob_garbage_collection = val;
}

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 val) {
  opt->rep.blob_garbage_collection_age_cutoff = val;
}

double rocksdb_options_get_blob_gc_age_cutoff(rocksdb_options_t* opt) {
  return opt->rep.blob_garbage_collection_age_cutoff;
}

2754 2755 2756 2757 2758 2759 2760 2761 2762
void rocksdb_options_set_blob_gc_force_threshold(rocksdb_options_t* opt,
                                                 double val) {
  opt->rep.blob_garbage_collection_force_threshold = val;
}

double rocksdb_options_get_blob_gc_force_threshold(rocksdb_options_t* opt) {
  return opt->rep.blob_garbage_collection_force_threshold;
}

2763
void rocksdb_options_set_num_levels(rocksdb_options_t* opt, int n) {
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Abhishek Kona 已提交
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  opt->rep.num_levels = n;
2765 2766
}

2767 2768 2769 2770
int rocksdb_options_get_num_levels(rocksdb_options_t* opt) {
  return opt->rep.num_levels;
}

2771 2772
void rocksdb_options_set_level0_file_num_compaction_trigger(
    rocksdb_options_t* opt, int n) {
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Abhishek Kona 已提交
2773
  opt->rep.level0_file_num_compaction_trigger = n;
2774 2775
}

2776 2777 2778 2779 2780
int rocksdb_options_get_level0_file_num_compaction_trigger(
    rocksdb_options_t* opt) {
  return opt->rep.level0_file_num_compaction_trigger;
}

2781 2782
void rocksdb_options_set_level0_slowdown_writes_trigger(
    rocksdb_options_t* opt, int n) {
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Abhishek Kona 已提交
2783
  opt->rep.level0_slowdown_writes_trigger = n;
2784 2785
}

2786 2787 2788 2789
int rocksdb_options_get_level0_slowdown_writes_trigger(rocksdb_options_t* opt) {
  return opt->rep.level0_slowdown_writes_trigger;
}

2790 2791
void rocksdb_options_set_level0_stop_writes_trigger(
    rocksdb_options_t* opt, int n) {
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Abhishek Kona 已提交
2792
  opt->rep.level0_stop_writes_trigger = n;
2793 2794
}

2795 2796 2797 2798
int rocksdb_options_get_level0_stop_writes_trigger(rocksdb_options_t* opt) {
  return opt->rep.level0_stop_writes_trigger;
}

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void rocksdb_options_set_max_mem_compaction_level(rocksdb_options_t* /*opt*/,
                                                  int /*n*/) {}
2801

2802 2803 2804 2805
void rocksdb_options_set_wal_recovery_mode(rocksdb_options_t* opt,int mode) {
  opt->rep.wal_recovery_mode = static_cast<WALRecoveryMode>(mode);
}

2806 2807 2808 2809
int rocksdb_options_get_wal_recovery_mode(rocksdb_options_t* opt) {
  return static_cast<int>(opt->rep.wal_recovery_mode);
}

2810
void rocksdb_options_set_compression(rocksdb_options_t* opt, int t) {
2811 2812 2813
  opt->rep.compression = static_cast<CompressionType>(t);
}

2814 2815 2816 2817
int rocksdb_options_get_compression(rocksdb_options_t* opt) {
  return opt->rep.compression;
}

2818 2819 2820 2821
void rocksdb_options_set_bottommost_compression(rocksdb_options_t* opt, int t) {
  opt->rep.bottommost_compression = static_cast<CompressionType>(t);
}

2822 2823 2824 2825
int rocksdb_options_get_bottommost_compression(rocksdb_options_t* opt) {
  return opt->rep.bottommost_compression;
}

2826
void rocksdb_options_set_compression_per_level(rocksdb_options_t* opt,
2827 2828 2829 2830 2831 2832 2833 2834 2835
                                               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]);
  }
}

2836 2837 2838 2839
void rocksdb_options_set_bottommost_compression_options(rocksdb_options_t* opt,
                                                        int w_bits, int level,
                                                        int strategy,
                                                        int max_dict_bytes,
2840
                                                        unsigned char enabled) {
2841 2842 2843 2844 2845 2846 2847
  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;
}

2848 2849 2850 2851 2852 2853 2854
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;
}

2855 2856 2857 2858 2859 2860 2861 2862
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;
}

2863 2864
void rocksdb_options_set_compression_options(rocksdb_options_t* opt, int w_bits,
                                             int level, int strategy,
2865
                                             int max_dict_bytes) {
2866 2867 2868
  opt->rep.compression_opts.window_bits = w_bits;
  opt->rep.compression_opts.level = level;
  opt->rep.compression_opts.strategy = strategy;
2869
  opt->rep.compression_opts.max_dict_bytes = max_dict_bytes;
2870 2871
}

2872 2873 2874 2875 2876
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;
}

2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891
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_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;
}

2892 2893 2894 2895 2896
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;
}

2897 2898 2899 2900 2901
uint64_t rocksdb_options_get_compression_options_max_dict_buffer_bytes(
    rocksdb_options_t* opt) {
  return opt->rep.compression_opts.max_dict_buffer_bytes;
}

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Thomas Adam 已提交
2902 2903
void rocksdb_options_set_prefix_extractor(
    rocksdb_options_t* opt, rocksdb_slicetransform_t* prefix_extractor) {
2904
  opt->rep.prefix_extractor.reset(prefix_extractor);
T
Thomas Adam 已提交
2905 2906
}

2907
void rocksdb_options_set_use_fsync(
2908
    rocksdb_options_t* opt, int use_fsync) {
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  opt->rep.use_fsync = use_fsync;
}

2912 2913 2914 2915
int rocksdb_options_get_use_fsync(rocksdb_options_t* opt) {
  return opt->rep.use_fsync;
}

2916 2917
void rocksdb_options_set_db_log_dir(
    rocksdb_options_t* opt, const char* db_log_dir) {
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heyongqiang 已提交
2918 2919 2920
  opt->rep.db_log_dir = db_log_dir;
}

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2921 2922 2923 2924 2925
void rocksdb_options_set_wal_dir(
    rocksdb_options_t* opt, const char* v) {
  opt->rep.wal_dir = v;
}

2926
void rocksdb_options_set_WAL_ttl_seconds(rocksdb_options_t* opt, uint64_t ttl) {
2927 2928 2929
  opt->rep.WAL_ttl_seconds = ttl;
}

2930 2931 2932 2933
uint64_t rocksdb_options_get_WAL_ttl_seconds(rocksdb_options_t* opt) {
  return opt->rep.WAL_ttl_seconds;
}

2934 2935
void rocksdb_options_set_WAL_size_limit_MB(
    rocksdb_options_t* opt, uint64_t limit) {
2936 2937 2938
  opt->rep.WAL_size_limit_MB = limit;
}

2939 2940 2941 2942
uint64_t rocksdb_options_get_WAL_size_limit_MB(rocksdb_options_t* opt) {
  return opt->rep.WAL_size_limit_MB;
}

T
Thomas Adam 已提交
2943 2944 2945 2946 2947
void rocksdb_options_set_manifest_preallocation_size(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.manifest_preallocation_size = v;
}

2948 2949 2950 2951
size_t rocksdb_options_get_manifest_preallocation_size(rocksdb_options_t* opt) {
  return opt->rep.manifest_preallocation_size;
}

2952
// noop
A
Andrew Kryczka 已提交
2953 2954
void rocksdb_options_set_purge_redundant_kvs_while_flush(
    rocksdb_options_t* /*opt*/, unsigned char /*v*/) {}
T
Thomas Adam 已提交
2955

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Aaron Gao 已提交
2956 2957 2958 2959 2960
void rocksdb_options_set_use_direct_reads(rocksdb_options_t* opt,
                                          unsigned char v) {
  opt->rep.use_direct_reads = v;
}

2961 2962 2963 2964
unsigned char rocksdb_options_get_use_direct_reads(rocksdb_options_t* opt) {
  return opt->rep.use_direct_reads;
}

2965 2966 2967
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;
T
Thomas Adam 已提交
2968 2969
}

2970 2971 2972 2973 2974
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;
}

T
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2975 2976 2977 2978 2979
void rocksdb_options_set_allow_mmap_reads(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.allow_mmap_reads = v;
}

2980 2981 2982 2983
unsigned char rocksdb_options_get_allow_mmap_reads(rocksdb_options_t* opt) {
  return opt->rep.allow_mmap_reads;
}

T
Thomas Adam 已提交
2984 2985 2986 2987 2988
void rocksdb_options_set_allow_mmap_writes(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.allow_mmap_writes = v;
}

2989 2990 2991 2992
unsigned char rocksdb_options_get_allow_mmap_writes(rocksdb_options_t* opt) {
  return opt->rep.allow_mmap_writes;
}

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2993 2994 2995 2996 2997
void rocksdb_options_set_is_fd_close_on_exec(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.is_fd_close_on_exec = v;
}

2998 2999 3000 3001
unsigned char rocksdb_options_get_is_fd_close_on_exec(rocksdb_options_t* opt) {
  return opt->rep.is_fd_close_on_exec;
}

T
Thomas Adam 已提交
3002 3003 3004 3005 3006
void rocksdb_options_set_skip_log_error_on_recovery(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.skip_log_error_on_recovery = v;
}

3007 3008 3009 3010 3011
unsigned char rocksdb_options_get_skip_log_error_on_recovery(
    rocksdb_options_t* opt) {
  return opt->rep.skip_log_error_on_recovery;
}

T
Thomas Adam 已提交
3012 3013 3014 3015 3016
void rocksdb_options_set_stats_dump_period_sec(
    rocksdb_options_t* opt, unsigned int v) {
  opt->rep.stats_dump_period_sec = v;
}

3017 3018 3019 3020
unsigned int rocksdb_options_get_stats_dump_period_sec(rocksdb_options_t* opt) {
  return opt->rep.stats_dump_period_sec;
}

3021 3022 3023 3024 3025 3026 3027 3028 3029 3030
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;
}

T
Thomas Adam 已提交
3031 3032 3033 3034 3035
void rocksdb_options_set_advise_random_on_open(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.advise_random_on_open = v;
}

3036 3037 3038 3039 3040
unsigned char rocksdb_options_get_advise_random_on_open(
    rocksdb_options_t* opt) {
  return opt->rep.advise_random_on_open;
}

3041 3042 3043
void rocksdb_options_set_experimental_mempurge_threshold(rocksdb_options_t* opt,
                                                         double v) {
  opt->rep.experimental_mempurge_threshold = v;
3044 3045
}

T
Thomas Adam 已提交
3046 3047 3048 3049
void rocksdb_options_set_access_hint_on_compaction_start(
    rocksdb_options_t* opt, int v) {
  switch(v) {
    case 0:
3050 3051
      opt->rep.access_hint_on_compaction_start =
          ROCKSDB_NAMESPACE::Options::NONE;
T
Thomas Adam 已提交
3052 3053
      break;
    case 1:
3054 3055
      opt->rep.access_hint_on_compaction_start =
          ROCKSDB_NAMESPACE::Options::NORMAL;
T
Thomas Adam 已提交
3056 3057
      break;
    case 2:
3058 3059
      opt->rep.access_hint_on_compaction_start =
          ROCKSDB_NAMESPACE::Options::SEQUENTIAL;
T
Thomas Adam 已提交
3060 3061
      break;
    case 3:
3062 3063
      opt->rep.access_hint_on_compaction_start =
          ROCKSDB_NAMESPACE::Options::WILLNEED;
T
Thomas Adam 已提交
3064
      break;
S
storagezhang 已提交
3065 3066
    default:
      assert(0);
T
Thomas Adam 已提交
3067 3068 3069
  }
}

3070 3071 3072 3073 3074
int rocksdb_options_get_access_hint_on_compaction_start(
    rocksdb_options_t* opt) {
  return opt->rep.access_hint_on_compaction_start;
}

T
Thomas Adam 已提交
3075 3076 3077 3078 3079
void rocksdb_options_set_use_adaptive_mutex(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.use_adaptive_mutex = v;
}

3080 3081 3082 3083
unsigned char rocksdb_options_get_use_adaptive_mutex(rocksdb_options_t* opt) {
  return opt->rep.use_adaptive_mutex;
}

3084 3085 3086 3087 3088
void rocksdb_options_set_wal_bytes_per_sync(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.wal_bytes_per_sync = v;
}

3089 3090 3091 3092
uint64_t rocksdb_options_get_wal_bytes_per_sync(rocksdb_options_t* opt) {
  return opt->rep.wal_bytes_per_sync;
}

T
Thomas Adam 已提交
3093 3094 3095 3096 3097
void rocksdb_options_set_bytes_per_sync(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.bytes_per_sync = v;
}

3098 3099 3100 3101
uint64_t rocksdb_options_get_bytes_per_sync(rocksdb_options_t* opt) {
  return opt->rep.bytes_per_sync;
}

3102 3103
void rocksdb_options_set_writable_file_max_buffer_size(rocksdb_options_t* opt,
                                                       uint64_t v) {
3104
  opt->rep.writable_file_max_buffer_size = static_cast<size_t>(v);
3105 3106
}

3107 3108 3109 3110 3111
uint64_t rocksdb_options_get_writable_file_max_buffer_size(
    rocksdb_options_t* opt) {
  return opt->rep.writable_file_max_buffer_size;
}

3112 3113 3114 3115 3116
void rocksdb_options_set_allow_concurrent_memtable_write(rocksdb_options_t* opt,
                                                         unsigned char v) {
  opt->rep.allow_concurrent_memtable_write = v;
}

3117 3118 3119 3120 3121
unsigned char rocksdb_options_get_allow_concurrent_memtable_write(
    rocksdb_options_t* opt) {
  return opt->rep.allow_concurrent_memtable_write;
}

3122 3123 3124 3125 3126
void rocksdb_options_set_enable_write_thread_adaptive_yield(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.enable_write_thread_adaptive_yield = v;
}

3127 3128 3129 3130 3131
unsigned char rocksdb_options_get_enable_write_thread_adaptive_yield(
    rocksdb_options_t* opt) {
  return opt->rep.enable_write_thread_adaptive_yield;
}

T
Thomas Adam 已提交
3132 3133 3134 3135 3136
void rocksdb_options_set_max_sequential_skip_in_iterations(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.max_sequential_skip_in_iterations = v;
}

3137 3138 3139 3140 3141
uint64_t rocksdb_options_get_max_sequential_skip_in_iterations(
    rocksdb_options_t* opt) {
  return opt->rep.max_sequential_skip_in_iterations;
}

3142 3143 3144 3145
void rocksdb_options_set_max_write_buffer_number(rocksdb_options_t* opt, int n) {
  opt->rep.max_write_buffer_number = n;
}

3146 3147 3148 3149
int rocksdb_options_get_max_write_buffer_number(rocksdb_options_t* opt) {
  return opt->rep.max_write_buffer_number;
}

3150 3151 3152 3153
void rocksdb_options_set_min_write_buffer_number_to_merge(rocksdb_options_t* opt, int n) {
  opt->rep.min_write_buffer_number_to_merge = n;
}

3154 3155 3156 3157 3158
int rocksdb_options_get_min_write_buffer_number_to_merge(
    rocksdb_options_t* opt) {
  return opt->rep.min_write_buffer_number_to_merge;
}

3159 3160 3161 3162 3163
void rocksdb_options_set_max_write_buffer_number_to_maintain(
    rocksdb_options_t* opt, int n) {
  opt->rep.max_write_buffer_number_to_maintain = n;
}

3164 3165 3166 3167 3168
int rocksdb_options_get_max_write_buffer_number_to_maintain(
    rocksdb_options_t* opt) {
  return opt->rep.max_write_buffer_number_to_maintain;
}

3169 3170 3171 3172 3173
void rocksdb_options_set_max_write_buffer_size_to_maintain(
    rocksdb_options_t* opt, int64_t n) {
  opt->rep.max_write_buffer_size_to_maintain = n;
}

3174 3175 3176 3177 3178
int64_t rocksdb_options_get_max_write_buffer_size_to_maintain(
    rocksdb_options_t* opt) {
  return opt->rep.max_write_buffer_size_to_maintain;
}

3179 3180
void rocksdb_options_set_enable_pipelined_write(rocksdb_options_t* opt,
                                                unsigned char v) {
H
Huachao Huang 已提交
3181 3182 3183
  opt->rep.enable_pipelined_write = v;
}

3184 3185 3186 3187 3188
unsigned char rocksdb_options_get_enable_pipelined_write(
    rocksdb_options_t* opt) {
  return opt->rep.enable_pipelined_write;
}

M
Maysam Yabandeh 已提交
3189 3190 3191 3192 3193
void rocksdb_options_set_unordered_write(rocksdb_options_t* opt,
                                         unsigned char v) {
  opt->rep.unordered_write = v;
}

3194 3195 3196 3197
unsigned char rocksdb_options_get_unordered_write(rocksdb_options_t* opt) {
  return opt->rep.unordered_write;
}

3198 3199
void rocksdb_options_set_max_subcompactions(rocksdb_options_t* opt,
                                            uint32_t n) {
H
Huachao Huang 已提交
3200 3201 3202
  opt->rep.max_subcompactions = n;
}

3203 3204 3205 3206
uint32_t rocksdb_options_get_max_subcompactions(rocksdb_options_t* opt) {
  return opt->rep.max_subcompactions;
}

H
Huachao Huang 已提交
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void rocksdb_options_set_max_background_jobs(rocksdb_options_t* opt, int n) {
  opt->rep.max_background_jobs = n;
}

3211 3212 3213 3214
int rocksdb_options_get_max_background_jobs(rocksdb_options_t* opt) {
  return opt->rep.max_background_jobs;
}

3215 3216 3217 3218
void rocksdb_options_set_max_background_compactions(rocksdb_options_t* opt, int n) {
  opt->rep.max_background_compactions = n;
}

3219 3220 3221 3222
int rocksdb_options_get_max_background_compactions(rocksdb_options_t* opt) {
  return opt->rep.max_background_compactions;
}

3223 3224 3225 3226 3227
void rocksdb_options_set_base_background_compactions(rocksdb_options_t* opt,
                                                     int n) {
  opt->rep.base_background_compactions = n;
}

3228 3229 3230 3231
int rocksdb_options_get_base_background_compactions(rocksdb_options_t* opt) {
  return opt->rep.base_background_compactions;
}

3232 3233 3234 3235
void rocksdb_options_set_max_background_flushes(rocksdb_options_t* opt, int n) {
  opt->rep.max_background_flushes = n;
}

3236 3237 3238 3239
int rocksdb_options_get_max_background_flushes(rocksdb_options_t* opt) {
  return opt->rep.max_background_flushes;
}

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void rocksdb_options_set_max_log_file_size(rocksdb_options_t* opt, size_t v) {
  opt->rep.max_log_file_size = v;
}

3244 3245 3246 3247
size_t rocksdb_options_get_max_log_file_size(rocksdb_options_t* opt) {
  return opt->rep.max_log_file_size;
}

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void rocksdb_options_set_log_file_time_to_roll(rocksdb_options_t* opt, size_t v) {
  opt->rep.log_file_time_to_roll = v;
}

3252 3253 3254 3255
size_t rocksdb_options_get_log_file_time_to_roll(rocksdb_options_t* opt) {
  return opt->rep.log_file_time_to_roll;
}

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void rocksdb_options_set_keep_log_file_num(rocksdb_options_t* opt, size_t v) {
  opt->rep.keep_log_file_num = v;
}

3260 3261 3262 3263
size_t rocksdb_options_get_keep_log_file_num(rocksdb_options_t* opt) {
  return opt->rep.keep_log_file_num;
}

3264 3265 3266 3267 3268
void rocksdb_options_set_recycle_log_file_num(rocksdb_options_t* opt,
                                              size_t v) {
  opt->rep.recycle_log_file_num = v;
}

3269 3270 3271 3272
size_t rocksdb_options_get_recycle_log_file_num(rocksdb_options_t* opt) {
  return opt->rep.recycle_log_file_num;
}

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void rocksdb_options_set_soft_rate_limit(rocksdb_options_t* opt, double v) {
  opt->rep.soft_rate_limit = v;
}

3277 3278 3279 3280
double rocksdb_options_get_soft_rate_limit(rocksdb_options_t* opt) {
  return opt->rep.soft_rate_limit;
}

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void rocksdb_options_set_hard_rate_limit(rocksdb_options_t* opt, double v) {
  opt->rep.hard_rate_limit = v;
}

3285 3286 3287 3288
double rocksdb_options_get_hard_rate_limit(rocksdb_options_t* opt) {
  return opt->rep.hard_rate_limit;
}

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void rocksdb_options_set_soft_pending_compaction_bytes_limit(rocksdb_options_t* opt, size_t v) {
  opt->rep.soft_pending_compaction_bytes_limit = v;
}

3293 3294 3295 3296 3297
size_t rocksdb_options_get_soft_pending_compaction_bytes_limit(
    rocksdb_options_t* opt) {
  return opt->rep.soft_pending_compaction_bytes_limit;
}

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void rocksdb_options_set_hard_pending_compaction_bytes_limit(rocksdb_options_t* opt, size_t v) {
  opt->rep.hard_pending_compaction_bytes_limit = v;
}

3302 3303 3304 3305 3306
size_t rocksdb_options_get_hard_pending_compaction_bytes_limit(
    rocksdb_options_t* opt) {
  return opt->rep.hard_pending_compaction_bytes_limit;
}

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void rocksdb_options_set_rate_limit_delay_max_milliseconds(
    rocksdb_options_t* opt, unsigned int v) {
  opt->rep.rate_limit_delay_max_milliseconds = v;
}

3312 3313 3314 3315 3316
unsigned int rocksdb_options_get_rate_limit_delay_max_milliseconds(
    rocksdb_options_t* opt) {
  return opt->rep.rate_limit_delay_max_milliseconds;
}

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void rocksdb_options_set_max_manifest_file_size(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.max_manifest_file_size = v;
}

3322 3323 3324 3325
size_t rocksdb_options_get_max_manifest_file_size(rocksdb_options_t* opt) {
  return opt->rep.max_manifest_file_size;
}

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

3331 3332 3333 3334
int rocksdb_options_get_table_cache_numshardbits(rocksdb_options_t* opt) {
  return opt->rep.table_cache_numshardbits;
}

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void rocksdb_options_set_table_cache_remove_scan_count_limit(
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Andrew Kryczka 已提交
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    rocksdb_options_t* /*opt*/, int /*v*/) {
3337
  // this option is deprecated
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}

void rocksdb_options_set_arena_block_size(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.arena_block_size = v;
}

3345 3346 3347 3348
size_t rocksdb_options_get_arena_block_size(rocksdb_options_t* opt) {
  return opt->rep.arena_block_size;
}

3349 3350 3351 3352
void rocksdb_options_set_disable_auto_compactions(rocksdb_options_t* opt, int disable) {
  opt->rep.disable_auto_compactions = disable;
}

3353 3354 3355 3356 3357
unsigned char rocksdb_options_get_disable_auto_compactions(
    rocksdb_options_t* opt) {
  return opt->rep.disable_auto_compactions;
}

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

3362 3363 3364 3365 3366
unsigned char rocksdb_options_get_optimize_filters_for_hits(
    rocksdb_options_t* opt) {
  return opt->rep.optimize_filters_for_hits;
}

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void rocksdb_options_set_delete_obsolete_files_period_micros(
    rocksdb_options_t* opt, uint64_t v) {
  opt->rep.delete_obsolete_files_period_micros = v;
}

3372 3373 3374 3375 3376
uint64_t rocksdb_options_get_delete_obsolete_files_period_micros(
    rocksdb_options_t* opt) {
  return opt->rep.delete_obsolete_files_period_micros;
}

3377 3378 3379 3380 3381
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) {
3382
  opt->rep.memtable_factory.reset(new ROCKSDB_NAMESPACE::VectorRepFactory);
3383 3384
}

3385 3386 3387
void rocksdb_options_set_memtable_prefix_bloom_size_ratio(
    rocksdb_options_t* opt, double v) {
  opt->rep.memtable_prefix_bloom_size_ratio = v;
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Thomas Adam 已提交
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}

3390 3391 3392 3393 3394
double rocksdb_options_get_memtable_prefix_bloom_size_ratio(
    rocksdb_options_t* opt) {
  return opt->rep.memtable_prefix_bloom_size_ratio;
}

3395 3396 3397
void rocksdb_options_set_memtable_huge_page_size(rocksdb_options_t* opt,
                                                 size_t v) {
  opt->rep.memtable_huge_page_size = v;
3398 3399
}

3400 3401 3402 3403
size_t rocksdb_options_get_memtable_huge_page_size(rocksdb_options_t* opt) {
  return opt->rep.memtable_huge_page_size;
}

3404 3405 3406
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) {
3407 3408 3409
  ROCKSDB_NAMESPACE::MemTableRepFactory* factory =
      ROCKSDB_NAMESPACE::NewHashSkipListRepFactory(
          bucket_count, skiplist_height, skiplist_branching_factor);
3410 3411 3412 3413 3414
  opt->rep.memtable_factory.reset(factory);
}

void rocksdb_options_set_hash_link_list_rep(
    rocksdb_options_t *opt, size_t bucket_count) {
3415 3416
  opt->rep.memtable_factory.reset(
      ROCKSDB_NAMESPACE::NewHashLinkListRepFactory(bucket_count));
3417 3418
}

3419 3420 3421
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) {
3422
  ROCKSDB_NAMESPACE::PlainTableOptions options;
3423 3424 3425 3426 3427
  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;

3428 3429
  ROCKSDB_NAMESPACE::TableFactory* factory =
      ROCKSDB_NAMESPACE::NewPlainTableFactory(options);
3430 3431 3432
  opt->rep.table_factory.reset(factory);
}

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void rocksdb_options_set_max_successive_merges(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.max_successive_merges = v;
}

3438 3439 3440 3441
size_t rocksdb_options_get_max_successive_merges(rocksdb_options_t* opt) {
  return opt->rep.max_successive_merges;
}

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void rocksdb_options_set_bloom_locality(
    rocksdb_options_t* opt, uint32_t v) {
  opt->rep.bloom_locality = v;
}

3447 3448 3449 3450
uint32_t rocksdb_options_get_bloom_locality(rocksdb_options_t* opt) {
  return opt->rep.bloom_locality;
}

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void rocksdb_options_set_inplace_update_support(
    rocksdb_options_t* opt, unsigned char v) {
  opt->rep.inplace_update_support = v;
}

3456 3457 3458 3459 3460
unsigned char rocksdb_options_get_inplace_update_support(
    rocksdb_options_t* opt) {
  return opt->rep.inplace_update_support;
}

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void rocksdb_options_set_inplace_update_num_locks(
    rocksdb_options_t* opt, size_t v) {
  opt->rep.inplace_update_num_locks = v;
}

3466 3467 3468 3469
size_t rocksdb_options_get_inplace_update_num_locks(rocksdb_options_t* opt) {
  return opt->rep.inplace_update_num_locks;
}

3470 3471 3472 3473 3474
void rocksdb_options_set_report_bg_io_stats(
    rocksdb_options_t* opt, int v) {
  opt->rep.report_bg_io_stats = v;
}

3475 3476 3477 3478
unsigned char rocksdb_options_get_report_bg_io_stats(rocksdb_options_t* opt) {
  return opt->rep.report_bg_io_stats;
}

3479
void rocksdb_options_set_compaction_style(rocksdb_options_t *opt, int style) {
3480 3481
  opt->rep.compaction_style =
      static_cast<ROCKSDB_NAMESPACE::CompactionStyle>(style);
3482 3483
}

3484 3485 3486 3487
int rocksdb_options_get_compaction_style(rocksdb_options_t* opt) {
  return opt->rep.compaction_style;
}

3488 3489 3490 3491
void rocksdb_options_set_universal_compaction_options(rocksdb_options_t *opt, rocksdb_universal_compaction_options_t *uco) {
  opt->rep.compaction_options_universal = *(uco->rep);
}

3492 3493 3494 3495 3496 3497
void rocksdb_options_set_fifo_compaction_options(
    rocksdb_options_t* opt,
    rocksdb_fifo_compaction_options_t* fifo) {
  opt->rep.compaction_options_fifo = fifo->rep;
}

3498
char *rocksdb_options_statistics_get_string(rocksdb_options_t *opt) {
3499
  ROCKSDB_NAMESPACE::Statistics* statistics = opt->rep.statistics.get();
3500 3501 3502 3503 3504 3505
  if (statistics) {
    return strdup(statistics->ToString().c_str());
  }
  return nullptr;
}

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zhangjinpeng1987 已提交
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void rocksdb_options_set_ratelimiter(rocksdb_options_t *opt, rocksdb_ratelimiter_t *limiter) {
3507 3508 3509
  if (limiter) {
    opt->rep.rate_limiter = limiter->rep;
  }
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}

3512 3513 3514
void rocksdb_options_set_atomic_flush(rocksdb_options_t* opt,
                                      unsigned char atomic_flush) {
  opt->rep.atomic_flush = atomic_flush;
3515 3516
}

3517 3518 3519 3520
unsigned char rocksdb_options_get_atomic_flush(rocksdb_options_t* opt) {
  return opt->rep.atomic_flush;
}

3521 3522 3523 3524 3525 3526 3527 3528 3529
void rocksdb_options_set_manual_wal_flush(rocksdb_options_t* opt,
                                          unsigned char manual_wal_flush) {
  opt->rep.manual_wal_flush = manual_wal_flush;
}

unsigned char rocksdb_options_get_manual_wal_flush(rocksdb_options_t* opt) {
  return opt->rep.manual_wal_flush;
}

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zhangjinpeng1987 已提交
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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;
3535 3536 3537
  rate_limiter->rep.reset(
               NewGenericRateLimiter(rate_bytes_per_sec,
                                     refill_period_us, fairness));
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zhangjinpeng1987 已提交
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  return rate_limiter;
}

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

3545 3546 3547 3548 3549 3550
void rocksdb_options_set_row_cache(rocksdb_options_t* opt, rocksdb_cache_t* cache) {
  if(cache) {
    opt->rep.row_cache = cache->rep;
  }
}

3551 3552 3553 3554 3555 3556 3557 3558
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);
}

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QingpingWang 已提交
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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;
3566
  context->rep = ROCKSDB_NAMESPACE::get_perf_context();
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  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_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;
    default:
      break;
  }
  return 0;
}

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

3729 3730
/*
TODO:
T
Thomas Adam 已提交
3731 3732 3733 3734 3735 3736 3737 3738 3739
DB::OpenForReadOnly
DB::KeyMayExist
DB::GetOptions
DB::GetSortedWalFiles
DB::GetLatestSequenceNumber
DB::GetUpdatesSince
DB::GetDbIdentity
DB::RunManualCompaction
custom cache
3740 3741 3742
table_properties_collectors
*/

3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757
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;
3758
  result->ignore_snapshots_ = true;
3759 3760 3761 3762
  result->name_ = name;
  return result;
}

3763 3764 3765 3766 3767 3768
void rocksdb_compactionfilter_set_ignore_snapshots(
  rocksdb_compactionfilter_t* filter,
  unsigned char whether_ignore) {
  filter->ignore_snapshots_ = whether_ignore;
}

3769 3770 3771 3772
void rocksdb_compactionfilter_destroy(rocksdb_compactionfilter_t* filter) {
  delete filter;
}

3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801
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;
}

3802
rocksdb_comparator_t* rocksdb_comparator_create(
3803 3804 3805 3806 3807 3808 3809
    void* state,
    void (*destructor)(void*),
    int (*compare)(
        void*,
        const char* a, size_t alen,
        const char* b, size_t blen),
    const char* (*name)(void*)) {
3810
  rocksdb_comparator_t* result = new rocksdb_comparator_t;
3811 3812 3813 3814 3815 3816 3817
  result->state_ = state;
  result->destructor_ = destructor;
  result->compare_ = compare;
  result->name_ = name;
  return result;
}

3818
void rocksdb_comparator_destroy(rocksdb_comparator_t* cmp) {
3819 3820 3821
  delete cmp;
}

3822
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create(
S
Sanjay Ghemawat 已提交
3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833
    void* state,
    void (*destructor)(void*),
    char* (*create_filter)(
        void*,
        const char* const* key_array, const size_t* key_length_array,
        int num_keys,
        size_t* filter_length),
    unsigned char (*key_may_match)(
        void*,
        const char* key, size_t length,
        const char* filter, size_t filter_length),
3834 3835 3836
    void (*delete_filter)(
        void*,
        const char* filter, size_t filter_length),
S
Sanjay Ghemawat 已提交
3837
    const char* (*name)(void*)) {
3838
  rocksdb_filterpolicy_t* result = new rocksdb_filterpolicy_t;
S
Sanjay Ghemawat 已提交
3839 3840 3841 3842
  result->state_ = state;
  result->destructor_ = destructor;
  result->create_ = create_filter;
  result->key_match_ = key_may_match;
3843
  result->delete_filter_ = delete_filter;
S
Sanjay Ghemawat 已提交
3844 3845 3846 3847
  result->name_ = name;
  return result;
}

3848
void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t* filter) {
S
Sanjay Ghemawat 已提交
3849 3850 3851
  delete filter;
}

3852 3853
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_format(
    double bits_per_key, bool original_format) {
3854
  // Make a rocksdb_filterpolicy_t, but override all of its methods so
S
Sanjay Ghemawat 已提交
3855 3856
  // they delegate to a NewBloomFilterPolicy() instead of user
  // supplied C functions.
3857
  struct Wrapper : public rocksdb_filterpolicy_t {
S
Sanjay Ghemawat 已提交
3858
    const FilterPolicy* rep_;
3859
    ~Wrapper() override { delete rep_; }
I
Igor Sugak 已提交
3860 3861 3862
    const char* Name() const override { return rep_->Name(); }
    void CreateFilter(const Slice* keys, int n,
                      std::string* dst) const override {
S
Sanjay Ghemawat 已提交
3863 3864
      return rep_->CreateFilter(keys, n, dst);
    }
I
Igor Sugak 已提交
3865
    bool KeyMayMatch(const Slice& key, const Slice& filter) const override {
S
Sanjay Ghemawat 已提交
3866 3867
      return rep_->KeyMayMatch(key, filter);
    }
3868
    // No need to override GetFilterBitsBuilder if this one is overridden
3869 3870 3871
    ROCKSDB_NAMESPACE::FilterBitsBuilder* GetBuilderWithContext(
        const ROCKSDB_NAMESPACE::FilterBuildingContext& context)
        const override {
3872 3873
      return rep_->GetBuilderWithContext(context);
    }
3874
    ROCKSDB_NAMESPACE::FilterBitsReader* GetFilterBitsReader(
3875 3876 3877
        const Slice& contents) const override {
      return rep_->GetFilterBitsReader(contents);
    }
3878
    static void DoNothing(void*) {}
S
Sanjay Ghemawat 已提交
3879 3880
  };
  Wrapper* wrapper = new Wrapper;
3881
  wrapper->rep_ = NewBloomFilterPolicy(bits_per_key, original_format);
3882 3883
  wrapper->state_ = nullptr;
  wrapper->delete_filter_ = nullptr;
S
Sanjay Ghemawat 已提交
3884 3885 3886 3887
  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

3888 3889
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_full(
    double bits_per_key) {
3890 3891 3892
  return rocksdb_filterpolicy_create_bloom_format(bits_per_key, false);
}

3893
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(double bits_per_key) {
3894 3895 3896
  return rocksdb_filterpolicy_create_bloom_format(bits_per_key, true);
}

Q
qieqieplus 已提交
3897
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_ribbon_format(
3898
    double bloom_equivalent_bits_per_key, int bloom_before_level) {
Q
qieqieplus 已提交
3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924
  // 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(); }
    void CreateFilter(const Slice* keys, int n,
                      std::string* dst) const override {
      return rep_->CreateFilter(keys, n, dst);
    }
    bool KeyMayMatch(const Slice& key, const Slice& filter) const override {
      return rep_->KeyMayMatch(key, filter);
    }
    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;
3925 3926
  wrapper->rep_ =
      NewRibbonFilterPolicy(bloom_equivalent_bits_per_key, bloom_before_level);
Q
qieqieplus 已提交
3927 3928 3929 3930 3931 3932 3933
  wrapper->state_ = nullptr;
  wrapper->delete_filter_ = nullptr;
  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_ribbon(
3934
    double bloom_equivalent_bits_per_key) {
Q
qieqieplus 已提交
3935
  return rocksdb_filterpolicy_create_ribbon_format(
3936 3937 3938 3939 3940 3941 3942
      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);
Q
qieqieplus 已提交
3943 3944
}

T
Thomas Adam 已提交
3945
rocksdb_mergeoperator_t* rocksdb_mergeoperator_create(
3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957
    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),
T
Thomas Adam 已提交
3958 3959 3960 3961 3962 3963
    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;
3964
  result->delete_value_ = delete_value;
T
Thomas Adam 已提交
3965 3966 3967 3968 3969 3970 3971 3972
  result->name_ = name;
  return result;
}

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

3973 3974
rocksdb_readoptions_t* rocksdb_readoptions_create() {
  return new rocksdb_readoptions_t;
3975 3976
}

3977
void rocksdb_readoptions_destroy(rocksdb_readoptions_t* opt) {
3978 3979 3980
  delete opt;
}

3981 3982
void rocksdb_readoptions_set_verify_checksums(
    rocksdb_readoptions_t* opt,
3983 3984 3985 3986
    unsigned char v) {
  opt->rep.verify_checksums = v;
}

3987 3988 3989 3990 3991
unsigned char rocksdb_readoptions_get_verify_checksums(
    rocksdb_readoptions_t* opt) {
  return opt->rep.verify_checksums;
}

3992 3993
void rocksdb_readoptions_set_fill_cache(
    rocksdb_readoptions_t* opt, unsigned char v) {
3994 3995 3996
  opt->rep.fill_cache = v;
}

3997 3998 3999 4000
unsigned char rocksdb_readoptions_get_fill_cache(rocksdb_readoptions_t* opt) {
  return opt->rep.fill_cache;
}

4001 4002 4003
void rocksdb_readoptions_set_snapshot(
    rocksdb_readoptions_t* opt,
    const rocksdb_snapshot_t* snap) {
4004
  opt->rep.snapshot = (snap ? snap->rep : nullptr);
4005 4006
}

4007 4008 4009
void rocksdb_readoptions_set_iterate_upper_bound(
    rocksdb_readoptions_t* opt,
    const char* key, size_t keylen) {
4010 4011 4012 4013 4014 4015 4016 4017
  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;
  }
4018 4019
}

4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031
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;
  }
}

T
Thomas Adam 已提交
4032 4033
void rocksdb_readoptions_set_read_tier(
    rocksdb_readoptions_t* opt, int v) {
4034
  opt->rep.read_tier = static_cast<ROCKSDB_NAMESPACE::ReadTier>(v);
T
Thomas Adam 已提交
4035 4036
}

4037 4038 4039 4040
int rocksdb_readoptions_get_read_tier(rocksdb_readoptions_t* opt) {
  return static_cast<int>(opt->rep.read_tier);
}

T
Thomas Adam 已提交
4041 4042 4043 4044 4045
void rocksdb_readoptions_set_tailing(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.tailing = v;
}

4046 4047 4048 4049
unsigned char rocksdb_readoptions_get_tailing(rocksdb_readoptions_t* opt) {
  return opt->rep.tailing;
}

4050 4051 4052 4053 4054
void rocksdb_readoptions_set_managed(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.managed = v;
}

S
siddontang 已提交
4055 4056 4057 4058 4059
void rocksdb_readoptions_set_readahead_size(
    rocksdb_readoptions_t* opt, size_t v) {
  opt->rep.readahead_size = v;
}

4060 4061 4062 4063
size_t rocksdb_readoptions_get_readahead_size(rocksdb_readoptions_t* opt) {
  return opt->rep.readahead_size;
}

4064 4065 4066 4067 4068
void rocksdb_readoptions_set_prefix_same_as_start(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.prefix_same_as_start = v;
}

4069 4070 4071 4072 4073
unsigned char rocksdb_readoptions_get_prefix_same_as_start(
    rocksdb_readoptions_t* opt) {
  return opt->rep.prefix_same_as_start;
}

4074 4075 4076 4077 4078
void rocksdb_readoptions_set_pin_data(rocksdb_readoptions_t* opt,
                                      unsigned char v) {
  opt->rep.pin_data = v;
}

4079 4080 4081 4082
unsigned char rocksdb_readoptions_get_pin_data(rocksdb_readoptions_t* opt) {
  return opt->rep.pin_data;
}

S
siddontang 已提交
4083 4084 4085 4086 4087
void rocksdb_readoptions_set_total_order_seek(rocksdb_readoptions_t* opt,
                                              unsigned char v) {
  opt->rep.total_order_seek = v;
}

4088 4089 4090 4091 4092
unsigned char rocksdb_readoptions_get_total_order_seek(
    rocksdb_readoptions_t* opt) {
  return opt->rep.total_order_seek;
}

4093 4094 4095 4096 4097 4098
void rocksdb_readoptions_set_max_skippable_internal_keys(
    rocksdb_readoptions_t* opt,
    uint64_t v) {
  opt->rep.max_skippable_internal_keys = v;
}

4099 4100 4101 4102 4103
uint64_t rocksdb_readoptions_get_max_skippable_internal_keys(
    rocksdb_readoptions_t* opt) {
  return opt->rep.max_skippable_internal_keys;
}

4104 4105 4106 4107 4108
void rocksdb_readoptions_set_background_purge_on_iterator_cleanup(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.background_purge_on_iterator_cleanup = v;
}

4109 4110 4111 4112 4113
unsigned char rocksdb_readoptions_get_background_purge_on_iterator_cleanup(
    rocksdb_readoptions_t* opt) {
  return opt->rep.background_purge_on_iterator_cleanup;
}

4114 4115 4116 4117 4118
void rocksdb_readoptions_set_ignore_range_deletions(
    rocksdb_readoptions_t* opt, unsigned char v) {
  opt->rep.ignore_range_deletions = v;
}

4119 4120 4121 4122 4123
unsigned char rocksdb_readoptions_get_ignore_range_deletions(
    rocksdb_readoptions_t* opt) {
  return opt->rep.ignore_range_deletions;
}

4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142
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);
}

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

4143 4144
rocksdb_writeoptions_t* rocksdb_writeoptions_create() {
  return new rocksdb_writeoptions_t;
4145 4146
}

4147
void rocksdb_writeoptions_destroy(rocksdb_writeoptions_t* opt) {
4148 4149 4150
  delete opt;
}

4151 4152
void rocksdb_writeoptions_set_sync(
    rocksdb_writeoptions_t* opt, unsigned char v) {
4153 4154 4155
  opt->rep.sync = v;
}

4156 4157 4158 4159
unsigned char rocksdb_writeoptions_get_sync(rocksdb_writeoptions_t* opt) {
  return opt->rep.sync;
}

4160 4161 4162 4163
void rocksdb_writeoptions_disable_WAL(rocksdb_writeoptions_t* opt, int disable) {
  opt->rep.disableWAL = disable;
}

4164 4165 4166 4167 4168
unsigned char rocksdb_writeoptions_get_disable_WAL(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.disableWAL;
}

4169 4170 4171 4172 4173 4174
void rocksdb_writeoptions_set_ignore_missing_column_families(
    rocksdb_writeoptions_t* opt,
    unsigned char v) {
  opt->rep.ignore_missing_column_families = v;
}

4175 4176 4177 4178 4179
unsigned char rocksdb_writeoptions_get_ignore_missing_column_families(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.ignore_missing_column_families;
}

4180 4181 4182 4183 4184 4185
void rocksdb_writeoptions_set_no_slowdown(
    rocksdb_writeoptions_t* opt,
    unsigned char v) {
  opt->rep.no_slowdown = v;
}

4186 4187 4188 4189 4190
unsigned char rocksdb_writeoptions_get_no_slowdown(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.no_slowdown;
}

4191 4192 4193 4194 4195 4196
void rocksdb_writeoptions_set_low_pri(
    rocksdb_writeoptions_t* opt,
    unsigned char v) {
  opt->rep.low_pri = v;
}

4197 4198 4199 4200
unsigned char rocksdb_writeoptions_get_low_pri(rocksdb_writeoptions_t* opt) {
  return opt->rep.low_pri;
}

4201 4202 4203 4204 4205
void rocksdb_writeoptions_set_memtable_insert_hint_per_batch(
    rocksdb_writeoptions_t* opt, unsigned char v) {
  opt->rep.memtable_insert_hint_per_batch = v;
}

4206 4207 4208 4209 4210
unsigned char rocksdb_writeoptions_get_memtable_insert_hint_per_batch(
    rocksdb_writeoptions_t* opt) {
  return opt->rep.memtable_insert_hint_per_batch;
}

Z
zhangjinpeng1987 已提交
4211 4212 4213 4214 4215 4216 4217 4218
rocksdb_compactoptions_t* rocksdb_compactoptions_create() {
  return new rocksdb_compactoptions_t;
}

void rocksdb_compactoptions_destroy(rocksdb_compactoptions_t* opt) {
  delete opt;
}

4219 4220 4221 4222 4223
void rocksdb_compactoptions_set_bottommost_level_compaction(
    rocksdb_compactoptions_t* opt, unsigned char v) {
  opt->rep.bottommost_level_compaction = static_cast<BottommostLevelCompaction>(v);
}

4224 4225 4226 4227 4228
unsigned char rocksdb_compactoptions_get_bottommost_level_compaction(
    rocksdb_compactoptions_t* opt) {
  return static_cast<unsigned char>(opt->rep.bottommost_level_compaction);
}

Z
zhangjinpeng1987 已提交
4229 4230 4231 4232 4233
void rocksdb_compactoptions_set_exclusive_manual_compaction(
    rocksdb_compactoptions_t* opt, unsigned char v) {
  opt->rep.exclusive_manual_compaction = v;
}

4234 4235 4236 4237 4238
unsigned char rocksdb_compactoptions_get_exclusive_manual_compaction(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.exclusive_manual_compaction;
}

Z
zhangjinpeng1987 已提交
4239 4240 4241 4242 4243
void rocksdb_compactoptions_set_change_level(rocksdb_compactoptions_t* opt,
                                             unsigned char v) {
  opt->rep.change_level = v;
}

4244 4245 4246 4247 4248
unsigned char rocksdb_compactoptions_get_change_level(
    rocksdb_compactoptions_t* opt) {
  return opt->rep.change_level;
}

Z
zhangjinpeng1987 已提交
4249 4250 4251 4252
void rocksdb_compactoptions_set_target_level(rocksdb_compactoptions_t* opt,
                                             int n) {
  opt->rep.target_level = n;
}
4253

4254 4255 4256 4257
int rocksdb_compactoptions_get_target_level(rocksdb_compactoptions_t* opt) {
  return opt->rep.target_level;
}

T
Thomas Adam 已提交
4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270
rocksdb_flushoptions_t* rocksdb_flushoptions_create() {
  return new rocksdb_flushoptions_t;
}

void rocksdb_flushoptions_destroy(rocksdb_flushoptions_t* opt) {
  delete opt;
}

void rocksdb_flushoptions_set_wait(
    rocksdb_flushoptions_t* opt, unsigned char v) {
  opt->rep.wait = v;
}

4271 4272 4273 4274
unsigned char rocksdb_flushoptions_get_wait(rocksdb_flushoptions_t* opt) {
  return opt->rep.wait;
}

4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305
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_memory_allocator(
    rocksdb_lru_cache_options_t* opt, rocksdb_memory_allocator_t* allocator) {
  opt->rep.memory_allocator = allocator->rep;
}

4306 4307
rocksdb_cache_t* rocksdb_cache_create_lru(size_t capacity) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
4308 4309 4310 4311
  c->rep = NewLRUCache(capacity);
  return c;
}

4312 4313 4314 4315 4316 4317 4318
rocksdb_cache_t* rocksdb_cache_create_lru_opts(
    rocksdb_lru_cache_options_t* opt) {
  rocksdb_cache_t* c = new rocksdb_cache_t;
  c->rep = NewLRUCache(opt->rep);
  return c;
}

4319
void rocksdb_cache_destroy(rocksdb_cache_t* cache) {
4320 4321 4322
  delete cache;
}

4323 4324 4325 4326
void rocksdb_cache_disown_data(rocksdb_cache_t* cache) {
  cache->rep->DisownData();
}

4327 4328 4329 4330
void rocksdb_cache_set_capacity(rocksdb_cache_t* cache, size_t capacity) {
  cache->rep->SetCapacity(capacity);
}

4331 4332 4333 4334
size_t rocksdb_cache_get_capacity(rocksdb_cache_t* cache) {
  return cache->rep->GetCapacity();
}

4335 4336 4337 4338 4339 4340 4341 4342
size_t rocksdb_cache_get_usage(rocksdb_cache_t* cache) {
  return cache->rep->GetUsage();
}

size_t rocksdb_cache_get_pinned_usage(rocksdb_cache_t* cache) {
  return cache->rep->GetPinnedUsage();
}

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kapitan-k 已提交
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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;
}

4354 4355
rocksdb_env_t* rocksdb_create_default_env() {
  rocksdb_env_t* result = new rocksdb_env_t;
4356 4357 4358 4359 4360
  result->rep = Env::Default();
  result->is_default = true;
  return result;
}

4361 4362
rocksdb_env_t* rocksdb_create_mem_env() {
  rocksdb_env_t* result = new rocksdb_env_t;
4363
  result->rep = ROCKSDB_NAMESPACE::NewMemEnv(Env::Default());
4364 4365 4366 4367
  result->is_default = false;
  return result;
}

4368 4369 4370 4371
void rocksdb_env_set_background_threads(rocksdb_env_t* env, int n) {
  env->rep->SetBackgroundThreads(n);
}

4372 4373 4374 4375
int rocksdb_env_get_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads();
}

4376 4377 4378 4379 4380
void rocksdb_env_set_bottom_priority_background_threads(rocksdb_env_t* env,
                                                        int n) {
  env->rep->SetBackgroundThreads(n, Env::BOTTOM);
}

4381 4382 4383 4384
int rocksdb_env_get_bottom_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::BOTTOM);
}

4385 4386 4387 4388
void rocksdb_env_set_high_priority_background_threads(rocksdb_env_t* env, int n) {
  env->rep->SetBackgroundThreads(n, Env::HIGH);
}

4389 4390 4391 4392
int rocksdb_env_get_high_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::HIGH);
}

4393 4394 4395 4396 4397
void rocksdb_env_set_low_priority_background_threads(rocksdb_env_t* env,
                                                     int n) {
  env->rep->SetBackgroundThreads(n, Env::LOW);
}

4398 4399 4400 4401
int rocksdb_env_get_low_priority_background_threads(rocksdb_env_t* env) {
  return env->rep->GetBackgroundThreads(Env::LOW);
}

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Dmitri Smirnov 已提交
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void rocksdb_env_join_all_threads(rocksdb_env_t* env) {
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sdong 已提交
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  env->rep->WaitForJoin();
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Dmitri Smirnov 已提交
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}

4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421
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);
}

4422
void rocksdb_env_destroy(rocksdb_env_t* env) {
4423 4424 4425 4426
  if (!env->is_default) delete env->rep;
  delete env;
}

J
Jay Lee 已提交
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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; }

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;
4437
  writer->rep = new SstFileWriter(env->rep, io_options->rep);
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Jay Lee 已提交
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  return writer;
}

rocksdb_sstfilewriter_t* rocksdb_sstfilewriter_create_with_comparator(
    const rocksdb_envoptions_t* env, const rocksdb_options_t* io_options,
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Andrew Kryczka 已提交
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    const rocksdb_comparator_t* /*comparator*/) {
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Jay Lee 已提交
4444
  rocksdb_sstfilewriter_t* writer = new rocksdb_sstfilewriter_t;
4445
  writer->rep = new SstFileWriter(env->rep, io_options->rep);
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Jay Lee 已提交
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  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) {
4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476
  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_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)));
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Jay Lee 已提交
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}

void rocksdb_sstfilewriter_finish(rocksdb_sstfilewriter_t* writer,
                                  char** errptr) {
4481
  SaveError(errptr, writer->rep->Finish(nullptr));
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Jay Lee 已提交
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}

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void rocksdb_sstfilewriter_file_size(rocksdb_sstfilewriter_t* writer,
                                  uint64_t* file_size) {
  *file_size = writer->rep->FileSize();
}

J
Jay Lee 已提交
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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;
}

4524 4525 4526 4527 4528 4529
void rocksdb_ingestexternalfileoptions_set_ingest_behind(
    rocksdb_ingestexternalfileoptions_t* opt,
    unsigned char ingest_behind) {
  opt->rep.ingest_behind = ingest_behind;
}

J
Jay Lee 已提交
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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));
}

4556 4557 4558 4559
void rocksdb_try_catch_up_with_primary(rocksdb_t* db, char** errptr) {
  SaveError(errptr, db->rep->TryCatchUpWithPrimary());
}

T
Thomas Adam 已提交
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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),
    unsigned char (*in_range)(
        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->in_range_ = in_range;
  result->name_ = name;
  return result;
}

void rocksdb_slicetransform_destroy(rocksdb_slicetransform_t* st) {
  delete st;
}

4588 4589
struct Wrapper : public rocksdb_slicetransform_t {
  const SliceTransform* rep_;
4590
  ~Wrapper() override { delete rep_; }
4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601
  const char* Name() const override { return rep_->Name(); }
  Slice Transform(const Slice& src) const override {
    return rep_->Transform(src);
  }
  bool InDomain(const Slice& src) const override {
    return rep_->InDomain(src);
  }
  bool InRange(const Slice& src) const override { return rep_->InRange(src); }
  static void DoNothing(void*) { }
};

T
Thomas Adam 已提交
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rocksdb_slicetransform_t* rocksdb_slicetransform_create_fixed_prefix(size_t prefixLen) {
  Wrapper* wrapper = new Wrapper;
4604
  wrapper->rep_ = ROCKSDB_NAMESPACE::NewFixedPrefixTransform(prefixLen);
4605
  wrapper->state_ = nullptr;
T
Thomas Adam 已提交
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  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

4610 4611
rocksdb_slicetransform_t* rocksdb_slicetransform_create_noop() {
  Wrapper* wrapper = new Wrapper;
4612
  wrapper->rep_ = ROCKSDB_NAMESPACE::NewNoopTransform();
4613 4614 4615 4616 4617
  wrapper->state_ = nullptr;
  wrapper->destructor_ = &Wrapper::DoNothing;
  return wrapper;
}

4618 4619
rocksdb_universal_compaction_options_t* rocksdb_universal_compaction_options_create() {
  rocksdb_universal_compaction_options_t* result = new rocksdb_universal_compaction_options_t;
4620
  result->rep = new ROCKSDB_NAMESPACE::CompactionOptionsUniversal;
4621 4622 4623 4624 4625 4626 4627 4628
  return result;
}

void rocksdb_universal_compaction_options_set_size_ratio(
  rocksdb_universal_compaction_options_t* uco, int ratio) {
  uco->rep->size_ratio = ratio;
}

4629 4630 4631 4632 4633
int rocksdb_universal_compaction_options_get_size_ratio(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->size_ratio;
}

4634 4635 4636 4637 4638
void rocksdb_universal_compaction_options_set_min_merge_width(
  rocksdb_universal_compaction_options_t* uco, int w) {
  uco->rep->min_merge_width = w;
}

4639 4640 4641 4642 4643
int rocksdb_universal_compaction_options_get_min_merge_width(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->min_merge_width;
}

4644 4645 4646 4647 4648
void rocksdb_universal_compaction_options_set_max_merge_width(
  rocksdb_universal_compaction_options_t* uco, int w) {
  uco->rep->max_merge_width = w;
}

4649 4650 4651 4652 4653
int rocksdb_universal_compaction_options_get_max_merge_width(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->max_merge_width;
}

4654 4655 4656 4657 4658
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;
}

4659 4660 4661 4662 4663
int rocksdb_universal_compaction_options_get_max_size_amplification_percent(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->max_size_amplification_percent;
}

4664 4665 4666 4667 4668
void rocksdb_universal_compaction_options_set_compression_size_percent(
  rocksdb_universal_compaction_options_t* uco, int p) {
  uco->rep->compression_size_percent = p;
}

4669 4670 4671 4672 4673
int rocksdb_universal_compaction_options_get_compression_size_percent(
    rocksdb_universal_compaction_options_t* uco) {
  return uco->rep->compression_size_percent;
}

4674 4675
void rocksdb_universal_compaction_options_set_stop_style(
  rocksdb_universal_compaction_options_t* uco, int style) {
4676 4677
  uco->rep->stop_style =
      static_cast<ROCKSDB_NAMESPACE::CompactionStopStyle>(style);
4678 4679
}

4680 4681 4682 4683 4684
int rocksdb_universal_compaction_options_get_stop_style(
    rocksdb_universal_compaction_options_t* uco) {
  return static_cast<int>(uco->rep->stop_style);
}

4685 4686 4687 4688 4689 4690
void rocksdb_universal_compaction_options_destroy(
  rocksdb_universal_compaction_options_t* uco) {
  delete uco->rep;
  delete uco;
}

4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701
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_max_table_files_size(
    rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size) {
  fifo_opts->rep.max_table_files_size = size;
}

4702 4703 4704 4705 4706
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;
}

4707 4708 4709 4710 4711
void rocksdb_fifo_compaction_options_destroy(
    rocksdb_fifo_compaction_options_t* fifo_opts) {
  delete fifo_opts;
}

A
Albert Strasheim 已提交
4712 4713 4714 4715 4716
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++) {
4717
      opt->rep.compression_per_level[i] = ROCKSDB_NAMESPACE::kNoCompression;
A
Albert Strasheim 已提交
4718 4719 4720 4721 4722 4723 4724 4725 4726
    }
    for (int i = level; i < opt->rep.num_levels; i++) {
      opt->rep.compression_per_level[i] = opt->rep.compression;
    }
  }
}

int rocksdb_livefiles_count(
  const rocksdb_livefiles_t* lf) {
4727
  return static_cast<int>(lf->rep.size());
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Albert Strasheim 已提交
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}

const char* rocksdb_livefiles_name(
  const rocksdb_livefiles_t* lf,
  int index) {
  return lf->rep[index].name.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();
}

4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775
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;
}

A
Albert Strasheim 已提交
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extern void rocksdb_livefiles_destroy(
  const rocksdb_livefiles_t* lf) {
  delete lf;
}

S
sdong 已提交
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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));
D
Dmitri Smirnov 已提交
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}

4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814
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, 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, 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)));
}

4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880
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;
}

void rocksdb_transactiondb_options_set_max_num_locks(
    rocksdb_transactiondb_options_t* opt, int64_t max_num_locks) {
  opt->rep.max_num_locks = max_num_locks;
}

void rocksdb_transactiondb_options_set_num_stripes(
    rocksdb_transactiondb_options_t* opt, size_t num_stripes) {
  opt->rep.num_stripes = num_stripes;
}

void rocksdb_transactiondb_options_set_transaction_lock_timeout(
    rocksdb_transactiondb_options_t* opt, int64_t txn_lock_timeout) {
  opt->rep.transaction_lock_timeout = txn_lock_timeout;
}

void rocksdb_transactiondb_options_set_default_lock_timeout(
    rocksdb_transactiondb_options_t* opt, int64_t default_lock_timeout) {
  opt->rep.default_lock_timeout = default_lock_timeout;
}

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;
}

void rocksdb_transaction_options_set_set_snapshot(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.set_snapshot = v;
}

void rocksdb_transaction_options_set_deadlock_detect(
    rocksdb_transaction_options_t* opt, unsigned char v) {
  opt->rep.deadlock_detect = v;
}

void rocksdb_transaction_options_set_lock_timeout(
    rocksdb_transaction_options_t* opt, int64_t lock_timeout) {
  opt->rep.lock_timeout = lock_timeout;
}

void rocksdb_transaction_options_set_expiration(
    rocksdb_transaction_options_t* opt, int64_t expiration) {
  opt->rep.expiration = expiration;
}

void rocksdb_transaction_options_set_deadlock_detect_depth(
    rocksdb_transaction_options_t* opt, int64_t depth) {
  opt->rep.deadlock_detect_depth = depth;
}

void rocksdb_transaction_options_set_max_write_batch_size(
    rocksdb_transaction_options_t* opt, size_t size) {
  opt->rep.max_write_batch_size = size;
}

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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;
}

void rocksdb_optimistictransaction_options_set_set_snapshot(
    rocksdb_optimistictransaction_options_t* opt, unsigned char v) {
  opt->rep.set_snapshot = v;
}

4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916
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;
  }
}

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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;
  SaveError(errptr, txn_db->rep->CreateColumnFamily(
                        ColumnFamilyOptions(column_family_options->rep),
                        std::string(column_family_name), &(handle->rep)));
  return handle;
}

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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;
}

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rocksdb_transactiondb_t* rocksdb_transactiondb_open_column_families(
    const rocksdb_options_t* options,
    const rocksdb_transactiondb_options_t* txn_db_options, const char* name,
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    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
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    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.push_back(ColumnFamilyDescriptor(
        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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t;
  result->rep = txn_db;
  return result;
}

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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;
}

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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;
  }
}

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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;
}

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());
}

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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());
}

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void rocksdb_transaction_destroy(rocksdb_transaction_t* txn) {
  delete txn->rep;
  delete txn;
}

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const rocksdb_snapshot_t* rocksdb_transaction_get_snapshot(
    rocksdb_transaction_t* txn) {
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  // 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));
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  result->rep = txn->rep->GetSnapshot();
  return result;
}

// Read a key inside a transaction
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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;
  std::string tmp;
  Status s = txn->rep->Get(options->rep, Slice(key, klen), &tmp);
  if (s.ok()) {
    *vlen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

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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;
  std::string tmp;
  Status s =
      txn->rep->Get(options->rep, column_family->rep, Slice(key, klen), &tmp);
  if (s.ok()) {
    *vlen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

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// 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;
  std::string tmp;
  Status s =
      txn->rep->GetForUpdate(options->rep, Slice(key, klen), &tmp, exclusive);
  if (s.ok()) {
    *vlen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

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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;
  std::string tmp;
  Status s = txn->rep->GetForUpdate(options->rep, column_family->rep,
                                    Slice(key, klen), &tmp, exclusive);
  if (s.ok()) {
    *vlen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

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// 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;
  std::string tmp;
  Status s = txn_db->rep->Get(options->rep, Slice(key, klen), &tmp);
  if (s.ok()) {
    *vlen = tmp.size();
    result = CopyString(tmp);
  } else {
    *vlen = 0;
    if (!s.IsNotFound()) {
      SaveError(errptr, s);
    }
  }
  return result;
}

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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;
  std::string tmp;
  Status s = txn_db->rep->Get(options->rep, column_family->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;
}

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// Put a key inside a 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)));
}

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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)));
}

5195
// Put a key outside a transaction
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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) {
5200 5201
  SaveError(errptr,
            txn_db->rep->Put(options->rep, Slice(key, klen), Slice(val, vlen)));
5202 5203
}

5204 5205 5206 5207 5208 5209 5210 5211 5212 5213
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)));
}

5214
// Write batch into transaction db
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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));
}

5223 5224 5225 5226 5227 5228 5229
// Merge a key inside a transaction
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)));
}

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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)));
}

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// Merge a key outside a transaction
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) {
5243 5244
  SaveError(errptr, txn_db->rep->Merge(options->rep, Slice(key, klen),
                                       Slice(val, vlen)));
5245 5246
}

5247 5248 5249 5250 5251 5252 5253 5254
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)));
}

5255 5256 5257 5258 5259 5260
// Delete a key inside a transaction
void rocksdb_transaction_delete(rocksdb_transaction_t* txn, const char* key,
                                size_t klen, char** errptr) {
  SaveError(errptr, txn->rep->Delete(Slice(key, klen)));
}

5261 5262 5263 5264 5265 5266
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)));
}

5267 5268 5269 5270 5271 5272 5273
// Delete a key outside a transaction
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)));
}

5274 5275 5276 5277 5278 5279 5280 5281
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)));
}

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// 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;
}

5290 5291 5292 5293 5294 5295 5296 5297 5298
// 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;
}

5299 5300 5301 5302 5303 5304 5305 5306
// 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;
}

5307 5308 5309 5310 5311 5312 5313 5314
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;
}

5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330
void rocksdb_transactiondb_close(rocksdb_transactiondb_t* txn_db) {
  delete txn_db->rep;
  delete txn_db;
}

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;
}

5331
rocksdb_optimistictransactiondb_t* rocksdb_optimistictransactiondb_open(
5332
    const rocksdb_options_t* options, const char* name, char** errptr) {
5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343
  OptimisticTransactionDB* otxn_db;
  if (SaveError(errptr, OptimisticTransactionDB::Open(
                            options->rep, std::string(name), &otxn_db))) {
    return nullptr;
  }
  rocksdb_optimistictransactiondb_t* result =
      new rocksdb_optimistictransactiondb_t;
  result->rep = otxn_db;
  return result;
}

5344 5345 5346
rocksdb_optimistictransactiondb_t*
rocksdb_optimistictransactiondb_open_column_families(
    const rocksdb_options_t* db_options, const char* name,
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Qinfan Wu 已提交
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    int num_column_families, const char* const* column_family_names,
    const rocksdb_options_t* const* column_family_options,
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    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.push_back(ColumnFamilyDescriptor(
        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];
    column_family_handles[i] = c_handle;
  }
  rocksdb_optimistictransactiondb_t* result =
      new rocksdb_optimistictransactiondb_t;
  result->rep = otxn_db;
  return result;
}

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;
}

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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;
}

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// 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));
}

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void rocksdb_optimistictransactiondb_close(
    rocksdb_optimistictransactiondb_t* otxn_db) {
  delete otxn_db->rep;
  delete otxn_db;
}

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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;
}

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void rocksdb_free(void* ptr) { free(ptr); }
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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);
    }
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    return nullptr;
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  }
  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);
    }
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    return nullptr;
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  }
  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;
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    return nullptr;
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  }

  *vlen = v->rep.size();
  return v->rep.data();
}
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// container to keep databases and caches in order to use
// ROCKSDB_NAMESPACE::MemoryUtil
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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;
}

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// contains memory usage statistics provided by ROCKSDB_NAMESPACE::MemoryUtil
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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);
  }

  unordered_set<const Cache*> cache_set;
  for (auto cache : consumers->caches) {
    cache_set.insert(const_cast<const Cache*>(cache->rep.get()));
  }

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  std::map<ROCKSDB_NAMESPACE::MemoryUtil::UsageType, uint64_t> usage_by_type;
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  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;
}

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void rocksdb_options_set_dump_malloc_stats(rocksdb_options_t* opt,
                                           unsigned char val) {
  opt->rep.dump_malloc_stats = val;
}

void rocksdb_options_set_memtable_whole_key_filtering(rocksdb_options_t* opt,
                                                      unsigned char val) {
  opt->rep.memtable_whole_key_filtering = val;
}

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// deletes container with memory usage estimates
void rocksdb_approximate_memory_usage_destroy(rocksdb_memory_usage_t* usage) {
  delete usage;
}

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void rocksdb_cancel_all_background_work(rocksdb_t* db, unsigned char wait) {
  CancelAllBackgroundWork(db->rep, wait);
}

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}  // end extern "C"
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#endif  // !ROCKSDB_LITE