您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
28 行
803 B
28 行
803 B
// 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.
|
|
|
|
#ifndef STORAGE_LEVELDB_DB_DB_ITER_H_
|
|
#define STORAGE_LEVELDB_DB_DB_ITER_H_
|
|
|
|
#include <stdint.h>
|
|
#include "leveldb/db.h"
|
|
#include "db/dbformat.h"
|
|
|
|
namespace leveldb {
|
|
|
|
class DBImpl;
|
|
|
|
// 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(
|
|
DBImpl* db,
|
|
const Comparator* user_key_comparator,
|
|
Iterator* internal_iter,
|
|
SequenceNumber sequence,
|
|
uint32_t seed);
|
|
|
|
} // namespace leveldb
|
|
|
|
#endif // STORAGE_LEVELDB_DB_DB_ITER_H_
|