Fixed regression on recommendation engine

src/libs/database/impl/Db.cpp

@@ -43,6 +43,13 @@ Db::Db(const std::filesystem::path& dbPath)
 	_connectionPool = std::move(connectionPool);
 }
 
+Db::~Db()
+{
+	LMS_LOG(DB, DEBUG) << "Optimizing db...";
+	executeSql("pragma optimize");
+	LMS_LOG(DB, DEBUG) << "Optimizing db DONE";
+}
+
 void
 Db::executeSql(const std::string& sql)
 {

src/libs/database/include/database/Db.hpp

@@ -32,6 +32,12 @@ class Db
 	public:
 
 		Db(const std::filesystem::path& dbPath);
+		~Db();
+
+		Db(const Db&) = delete;
+		Db(Db&&) = delete;
+		Db& operator=(const Db&) = delete;
+		Db& operator=(Db&&) = delete;
 
 	private:
 		friend class Session;