mirror of https://github.com/facebook/rocksdb.git
28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
// Copyright (c) Meta Platforms, Inc. and affiliates.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include "rocksdb/merge_operator.h"
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namespace ROCKSDB_NAMESPACE {
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// A test merge operator that implements the wide-column aware FullMergeV3
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// interface. Similarly to the simple "put" type merge operators, the merge
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// result is based on the last merge operand; however, the merge result can
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// potentially be a wide-column entity, depending on the value base encoded into
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// the merge operand and the value of the "use_put_entity_one_in" stress test
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// option. Following the same rule as for writes ensures that the queries
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// issued by the validation logic receive the expected results.
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class DBStressWideMergeOperator : public MergeOperator {
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public:
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bool FullMergeV3(const MergeOperationInputV3& merge_in,
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MergeOperationOutputV3* merge_out) const override;
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const char* Name() const override { return "DBStressWideMergeOperator"; }
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};
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} // namespace ROCKSDB_NAMESPACE
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