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A nil UUID object
:ref:`uuid() <uuid-__call>` |br| :ref:`uuid.bin() <uuid-bin>` |br| :ref:`uuid.str() <uuid-str>`
Get a UUID
:ref:`uuid.new() <uuid-new>`
Create a UUID
:ref:`uuid.fromstr() <uuid-fromstr>` |br| :ref:`uuid.frombin() <uuid-frombin>` |br| :ref:`uuid_object:bin() <uuid-object_bin>` |br| :ref:`uuid_object:str() <uuid-object_str>`
Get a converted UUID
:ref:`uuid.is_uuid() <uuid-is_uuid>`
Check if the specified value has UUID type
:ref:`uuid_object:isnil() <uuid-isnil>`
Check if a UUID is an all-zero value
A nil UUID object. Contains the all-zero UUID value -- ``00000000-0000-0000-0000-000000000000``.
Since version :doc:`2.4.1 </release/2.4.1>`. Create a UUID sequence. You can use it in an index over a :ref:`UUID field <index-box_indexed-field-types>`. For example, to create such index for a space named ``test``, say:
tarantool> box.space.test:create_index("pk", {parts={{field = 1, type = 'uuid'}}})
Now you can insert UUIDs into the space:
tarantool> box.space.test:insert{uuid.new()}
---
- [e631fdcc-0e8a-4d2f-83fd-b0ce6762b13f]
...

tarantool> box.space.test:insert{uuid.fromstr('64d22e4d-ac92-4a23-899a-e59f34af5479')}
---
- [64d22e4d-ac92-4a23-899a-e59f34af5479]
...

tarantool> box.space.test:select{}
---
- - [64d22e4d-ac92-4a23-899a-e59f34af5479]
- [e631fdcc-0e8a-4d2f-83fd-b0ce6762b13f]
...
return
a UUID
rtype
cdata
Parameters
Byte order of the resulting UUID: * ``'l'`` -- little-endian * ``'b'`` -- big-endian * ``'h'``, ``'host'`` -- endianness depends on host (default) * ``'n'``, ``'network'`` -- endianness depends on network
Byte order of the resulting UUID:
``'l'`` -- little-endian
``'b'`` -- big-endian
``'h'``, ``'host'`` -- endianness depends on host (default)
``'n'``, ``'network'`` -- endianness depends on network
16-byte string
36-byte binary string
UUID in 36-byte hexadecimal string
converted UUID

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testing_project / Documentation: reference/reference_lua/uuid — English

tarantool> box.space.test:insert{uuid.new()}
---
- [e631fdcc-0e8a-4d2f-83fd-b0ce6762b13f]
...

tarantool> box.space.test:insert{uuid.fromstr('64d22e4d-ac92-4a23-899a-e59f34af5479')}
---
- [64d22e4d-ac92-4a23-899a-e59f34af5479]
...

tarantool> box.space.test:select{}
---
- - [64d22e4d-ac92-4a23-899a-e59f34af5479]
- [e631fdcc-0e8a-4d2f-83fd-b0ce6762b13f]
...
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