if (!iter->current_val) {
iter->current_val = php_pqres_row_to_zval(obj->intern->res, iter->index, iter->fetch_type, NULL TSRMLS_CC);
if (!iter->current_val) {
iter->current_val = php_pqres_row_to_zval(obj->intern->res, iter->index, iter->fetch_type, NULL TSRMLS_CC);