xref: /aosp_15_r20/external/leveldb/db/db_iter.h (revision 9507f98c5f32dee4b5f9e4a38cd499f3ff5c4490)
1 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. See the AUTHORS file for names of contributors.
4 
5 #ifndef STORAGE_LEVELDB_DB_DB_ITER_H_
6 #define STORAGE_LEVELDB_DB_DB_ITER_H_
7 
8 #include <cstdint>
9 
10 #include "db/dbformat.h"
11 #include "leveldb/db.h"
12 
13 namespace leveldb {
14 
15 class DBImpl;
16 
17 // Return a new iterator that converts internal keys (yielded by
18 // "*internal_iter") that were live at the specified "sequence" number
19 // into appropriate user keys.
20 Iterator* NewDBIterator(DBImpl* db, const Comparator* user_key_comparator,
21                         Iterator* internal_iter, SequenceNumber sequence,
22                         uint32_t seed);
23 
24 }  // namespace leveldb
25 
26 #endif  // STORAGE_LEVELDB_DB_DB_ITER_H_
27