mirror of
https://github.com/facebook/rocksdb.git
synced 2024-12-01 07:15:51 +00:00
28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
|
// Copyright (c) Meta Platforms, Inc. and affiliates.
|
||
|
|
// 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"
|
||
|
|
|
||
|
|
namespace ROCKSDB_NAMESPACE {
|
||
|
|
|
||
|
|
// A test merge operator that implements the wide-column aware FullMergeV3
|
||
|
|
// interface. Similarly to the simple "put" type merge operators, the merge
|
||
|
|
// result is based on the last merge operand; however, the merge result can
|
||
|
|
// potentially be a wide-column entity, depending on the value base encoded into
|
||
|
|
// the merge operand and the value of the "use_put_entity_one_in" stress test
|
||
|
|
// option. Following the same rule as for writes ensures that the queries
|
||
|
|
// issued by the validation logic receive the expected results.
|
||
|
|
class DBStressWideMergeOperator : public MergeOperator {
|
||
|
|
public:
|
||
|
|
bool FullMergeV3(const MergeOperationInputV3& merge_in,
|
||
|
|
MergeOperationOutputV3* merge_out) const override;
|
||
|
|
|
||
|
|
const char* Name() const override { return "DBStressWideMergeOperator"; }
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace ROCKSDB_NAMESPACE
|