message: Fix for arrow scan
diff: @@ -129,7 +129,7 @@ static unique_ptr<FunctionOperatorData> arrow_scan_init(ClientContext &context,
  throw NotImplementedException("FIXME: Arrow streams can only be read once");
  }
  data.is_consumed = true;
  - return nullptr;
  + return make_unique<FunctionOperatorData>();
  }
  static void arrow_scan_function(ClientContext &context, const FunctionData *bind_data,
  