Make destructor of DatabaseEngine virtual
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@@ -20,6 +20,7 @@ class DatabaseEngine
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public:
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public:
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DatabaseEngine() = default;
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DatabaseEngine() = default;
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virtual ~DatabaseEngine() = default;
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DatabaseEngine(const DatabaseEngine&) = delete;
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DatabaseEngine(const DatabaseEngine&) = delete;
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DatabaseEngine& operator=(const DatabaseEngine&) = delete;
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DatabaseEngine& operator=(const DatabaseEngine&) = delete;
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