Function get_func_name

src/backend/utils/cache/lsyscache.c:1901–1918

* get_func_name * returns the name of the function with the given funcid * * Note: returns a palloc'd copy of the string, or NULL if no such function. */

 * Note: returns a palloc'd copy of the string, or NULL if no such function.
 */
char *
get_func_name(Oid funcid)
{
	HeapTuple	tp;

	tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
	if (HeapTupleIsValid(tp))
	{
		Form_pg_proc functup = (Form_pg_proc) GETSTRUCT(tp);
		char	   *result;

		result = pstrdup(NameStr(functup->proname));
		ReleaseSysCache(tp);
		return result;
	}
	else
		return NULL;
}

/*
 * get_type_name