rocksdb/db/db_iter.h
Lei Jin 82b37a18bd thread local for tailing iterator
Summary:
replace the super version acquisision in tailing itrator with thread
local

Test Plan: will post results

Reviewers: igor, haobo, sdong, yhchiang, dhruba

Reviewed By: igor

CC: leveldb

Differential Revision: https://reviews.facebook.net/D17757
2014-04-14 10:48:01 -07:00

28 lines
991 B
C++

// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// 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.
#pragma once
#include <stdint.h>
#include "rocksdb/db.h"
#include "db/dbformat.h"
namespace rocksdb {
// Return a new iterator that converts internal keys (yielded by
// "*internal_iter") that were live at the specified "sequence" number
// into appropriate user keys.
extern Iterator* NewDBIterator(
Env* env,
const Options& options,
const Comparator *user_key_comparator,
Iterator* internal_iter,
const SequenceNumber& sequence);
} // namespace rocksdb