rocksdb/utilities/compaction_filters/remove_emptyvalue_compactionfilter.h

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// Copyright (c) 2015, 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.
#ifndef ROCKSDB_LITE
#pragma once
#include <string>
#include "rocksdb/compaction_filter.h"
#include "rocksdb/slice.h"
namespace rocksdb {
class RemoveEmptyValueCompactionFilter : public CompactionFilter {
public:
const char* Name() const override;
bool Filter(int level,
const Slice& key,
const Slice& existing_value,
std::string* new_value,
bool* value_changed) const override;
};
} // namespace rocksdb
#endif // !ROCKSDB_LITE