fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.3 KiB
35 lines
1.3 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// 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).
|
|
//
|
|
#pragma once
|
|
#include "rocksdb/merge_operator.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
class MergeOperators {
|
|
public:
|
|
static std::shared_ptr<MergeOperator> CreatePutOperator();
|
|
static std::shared_ptr<MergeOperator> CreateDeprecatedPutOperator();
|
|
static std::shared_ptr<MergeOperator> CreateUInt64AddOperator();
|
|
static std::shared_ptr<MergeOperator> CreateStringAppendOperator();
|
|
static std::shared_ptr<MergeOperator> CreateStringAppendOperator(char delim_char);
|
|
static std::shared_ptr<MergeOperator> CreateStringAppendOperator(
|
|
const std::string& delim);
|
|
static std::shared_ptr<MergeOperator> CreateStringAppendTESTOperator();
|
|
static std::shared_ptr<MergeOperator> CreateMaxOperator();
|
|
static std::shared_ptr<MergeOperator> CreateBytesXOROperator();
|
|
static std::shared_ptr<MergeOperator> CreateSortOperator();
|
|
|
|
// Will return a different merge operator depending on the string.
|
|
static std::shared_ptr<MergeOperator> CreateFromStringId(
|
|
const std::string& name);
|
|
};
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|