PHP_PG_ASYNC_REQUEST_CANCEL 4531 pgsql/pgsql.c  		case PHP_PG_ASYNC_REQUEST_CANCEL:
PHP_PG_ASYNC_REQUEST_CANCEL 4553 pgsql/pgsql.c  	php_pgsql_do_async(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_PG_ASYNC_REQUEST_CANCEL);