Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/ngldb/sql_query_janitor.h

@@ -0,0 +1,22 @@
+
+
+
+#pragma once
+
+#include "ngldb_export.h"
+#include <memory>
+
+class NSqlQuery;
+
+
+
+class NGLDB_EXPORT SqlQueryJanitor
+{
+public:
+  explicit SqlQueryJanitor(NSqlQuery *query);
+  explicit SqlQueryJanitor(const std::unique_ptr<NSqlQuery> &query);
+  ~SqlQueryJanitor();
+
+private:
+  NSqlQuery   *m_query;
+};