message: ifndef needs to be after include of duckdb.hpp
diff: #pragma once
  +#include "duckdb.hpp"
  #ifndef DUCKDB_AMALGAMATION
  #include "duckdb/catalog/catalog.hpp"
  #include "duckdb/common/types/data_chunk.hpp"
  #endif
  -#include "duckdb.hpp"
  namespace duckdb {
  class ClientContext;
  