1 files changed, 47 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/agg_merge/test_agg_merge.h b/src/rocksdb/utilities/agg_merge/test_agg_merge.h
new file mode 100644
index 000000000..5bdf8b9cc
--- /dev/null
+++ b/src/rocksdb/utilities/agg_merge/test_agg_merge.h
@@ -0,0 +1,47 @@
+//  Copyright (c) 2017-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).
+
+#pragma once
+#include <algorithm>
+#include <cstddef>
+#include <memory>
+#include <unordered_map>
+
+#include "rocksdb/merge_operator.h"
+#include "rocksdb/slice.h"
+#include "rocksdb/utilities/agg_merge.h"
+#include "utilities/cassandra/cassandra_options.h"
+
+namespace ROCKSDB_NAMESPACE {
+class SumAggregator : public Aggregator {
+ public:
+  ~SumAggregator() override {}
+  bool Aggregate(const std::vector<Slice>&, std::string& result) const override;
+  bool DoPartialAggregate() const override { return true; }
+};
+
+class MultipleAggregator : public Aggregator {
+ public:
+  ~MultipleAggregator() override {}
+  bool Aggregate(const std::vector<Slice>&, std::string& result) const override;
+  bool DoPartialAggregate() const override { return true; }
+};
+
+class Last3Aggregator : public Aggregator {
+ public:
+  ~Last3Aggregator() override {}
+  bool Aggregate(const std::vector<Slice>&, std::string& result) const override;
+};
+
+class EncodeHelper {
+ public:
+  static std::string EncodeFuncAndInt(const Slice& function_name,
+                                      int64_t value);
+  static std::string EncodeInt(int64_t value);
+  static std::string EncodeList(const std::vector<Slice>& list);
+  static std::string EncodeFuncAndList(const Slice& function_name,
+                                       const std::vector<Slice>& list);
+};
+}  // namespace ROCKSDB_NAMESPACE