Function func_parallel

src/backend/utils/cache/lsyscache.c:2430–2443

* func_parallel * Given procedure id, return the function's proparallel flag. */

 *		Given procedure id, return the function's proparallel flag.
 */
char
func_parallel(Oid funcid)
{
	HeapTuple	tp;
	char		result;

	tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
	if (!HeapTupleIsValid(tp))
		elog(ERROR, "cache lookup failed for function %u", funcid);

	result = ((Form_pg_proc) GETSTRUCT(tp))->proparallel;
	ReleaseSysCache(tp);
	return result;
}

/*
 * get_func_prokind