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Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/utilities/compaction_filters/remove_emptyvalue_compactionfilter.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/compaction_filters/remove_emptyvalue_compactionfilter.h b/src/rocksdb/utilities/compaction_filters/remove_emptyvalue_compactionfilter.h new file mode 100644 index 000000000..864ad15ff --- /dev/null +++ b/src/rocksdb/utilities/compaction_filters/remove_emptyvalue_compactionfilter.h @@ -0,0 +1,28 @@ +// 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). + +#ifndef ROCKSDB_LITE + +#pragma once + +#include <string> + +#include "rocksdb/compaction_filter.h" +#include "rocksdb/slice.h" + +namespace ROCKSDB_NAMESPACE { + +class RemoveEmptyValueCompactionFilter : public CompactionFilter { + public: + static const char* kClassName() { return "RemoveEmptyValueCompactionFilter"; } + + const char* Name() const override { return kClassName(); } + + bool Filter(int level, const Slice& key, const Slice& existing_value, + std::string* new_value, bool* value_changed) const override; +}; + +} // namespace ROCKSDB_NAMESPACE +#endif // !ROCKSDB_LITE |