4 ms·
UUID has version and variant information encoded, but there are no fixed bits. So all 128bit numbers are potentially valid UUIDs. For forward compatibility, a d
by groestl 8y ago
UUID has version and variant information encoded, but there are no fixed bits. So all 128bit numbers are potentially valid UUIDs. For forward compatibility, a database UUID type will set the correct bits when generating a UUID (v4), but many implementations will not check the version/variant flags while processing UUIDs.