UUID​

type

uuid

uuid

Universally Unique Identifiers (UUID).

For formal definition see RFC 4122 and ISO/IEC 9834-8:2005.

Every Object has a globally unique property id represented by a UUID value.

function

uuid_generate_v1mc()

std::uuid_generate_v1mc() -> uuid

Return a version 1 UUID.

The algorithm uses a random multicast MAC address instead of the real MAC address of the computer.

select uuid_generate_v1mc();

{'1893e2b6-57ce-11e8-8005-13d4be166783'}