YQ Connector: move tests from yql to ydb (OSS)

Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).

1 files changed, 45 insertions, 0 deletions

diff --git a/contrib/clickhouse/src/Storages/MergeTree/MergeTreeMetadataCache.h b/contrib/clickhouse/src/Storages/MergeTree/MergeTreeMetadataCache.h
new file mode 100644
index 0000000000..f3eb567a9a
--- /dev/null
+++ b/contrib/clickhouse/src/Storages/MergeTree/MergeTreeMetadataCache.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include "clickhouse_config.h"
+
+#if USE_ROCKSDB
+#include <base/types.h>
+#include <Core/Types.h>
+#include <Poco/Logger.h>
+#error #include <rocksdb/table.h>
+#error #include <rocksdb/db.h>
+
+namespace DB
+{
+class MergeTreeMetadataCache
+{
+public:
+    using Status = rocksdb::Status;
+
+    static std::unique_ptr<MergeTreeMetadataCache> create(const String & dir, size_t size);
+
+    explicit MergeTreeMetadataCache(rocksdb::DB * rocksdb_) : rocksdb{rocksdb_}
+    {
+        assert(rocksdb);
+    }
+
+    MergeTreeMetadataCache(const MergeTreeMetadataCache &) = delete;
+
+    MergeTreeMetadataCache & operator=(const MergeTreeMetadataCache &) = delete;
+
+    Status put(const String & key, const String & value);
+    Status del(const String & key);
+    Status get(const String & key, String & value);
+    void getByPrefix(const String & prefix, Strings & keys, Strings & values);
+    uint64_t getEstimateNumKeys() const;
+
+    void shutdown();
+private:
+    std::unique_ptr<rocksdb::DB> rocksdb;
+    Poco::Logger * log = &Poco::Logger::get("MergeTreeMetadataCache");
+};
+
+using MergeTreeMetadataCachePtr = std::shared_ptr<MergeTreeMetadataCache>;
+}
+
+#endif