git / moonbite-core / src/leveldb/table/merger.h · raw

// 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_TABLE_MERGER_H_#define STORAGE_LEVELDB_TABLE_MERGER_H_namespace leveldb {class Comparator;class Iterator;// Return an iterator that provided the union of the data in// children[0,n-1].  Takes ownership of the child iterators and// will delete them when the result iterator is deleted.//// The result does no duplicate suppression.  I.e., if a particular// key is present in K child iterators, it will be yielded K times.//// REQUIRES: n >= 0Iterator* NewMergingIterator(const Comparator* comparator, Iterator** children,                             int n);}  // namespace leveldb#endif  // STORAGE_LEVELDB_TABLE_MERGER_H_