Revision 0ac4afb9750a2bdf27aa710a3ca764301ca64c76 authored by Maysam Yabandeh on 24 June 2017, 01:18:21 UTC, committed by Facebook Github Bot on 24 June 2017, 01:30:01 UTC
Summary: We currently do not support partitioning filters if indexes are not partitioned. The patch makes sure that these two are consistent. Closes https://github.com/facebook/rocksdb/pull/2455 Differential Revision: D5275644 Pulled By: maysamyabandeh fbshipit-source-id: b61701ac8914c2206d06f5e33ff6f67b24406d1d
1 parent 521724b
merge_operators.h
// Copyright (c) 2011-present, 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.
// This source code is also licensed under the GPLv2 license found in the
// COPYING file in the root directory of this source tree.
//
#ifndef MERGE_OPERATORS_H
#define MERGE_OPERATORS_H
#include <memory>
#include <stdio.h>
#include "rocksdb/merge_operator.h"
namespace rocksdb {
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> CreateStringAppendTESTOperator();
static std::shared_ptr<MergeOperator> CreateMaxOperator();
static std::shared_ptr<MergeOperator> CreateCassandraMergeOperator();
// Will return a different merge operator depending on the string.
// TODO: Hook the "name" up to the actual Name() of the MergeOperators?
static std::shared_ptr<MergeOperator> CreateFromStringId(
const std::string& name) {
if (name == "put") {
return CreatePutOperator();
} else if (name == "put_v1") {
return CreateDeprecatedPutOperator();
} else if ( name == "uint64add") {
return CreateUInt64AddOperator();
} else if (name == "stringappend") {
return CreateStringAppendOperator();
} else if (name == "stringappendtest") {
return CreateStringAppendTESTOperator();
} else if (name == "max") {
return CreateMaxOperator();
} else if (name == "cassandra") {
return CreateCassandraMergeOperator();
} else {
// Empty or unknown, just return nullptr
return nullptr;
}
}
};
} // namespace rocksdb
#endif
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