Typed UUIDs 2 bytes are reserved in the UUID for the class enum

space_cadet is a simple hack, for any ActiveRecord supported database, which provides a uuids table of distributable identities of space cadets -- ActiveRecord::Base instances which use the SpaceCadetWrapper. Each space cadet has by reference a space_id unique in the set of all local space cadets...

UUIDParameter handles a :uuid column and validation for any model.

Class/Module Candy For gem uuid4r

Implementation of UUID v7

URL-friendly, Base32-encoded UUIDs for Rails models

Helps using uuid everywhere in routes instead of id for ActiveRecord models.

Convert UUIDs to compact Base58 or Base62 representations (22 chars vs 36). Guaranteed roundtrip encoding, URL-safe output, and built-in UUID generation.

Generate UUID(rfc4122) version 3(based on md5) or version 5(based on sha-1).

A gem to help you retrofit UUIDs to your existing Rails application.

A UUIDv4 support library

Allows ActiveRecord to use (native) UUIDs, even as primary keys. Currently only works with PostgreSQL.

A fast Ruby implementation of UUID versions 4, 6, 7, and 8 🪪

People friendly readable UUIDs

Extract UUIDs/architecture information from a standard dSYM file

Generate and find by UUIDs in ActiveRecord models

Compression and packing methods for singular and collection UUIDs.

Override migration methods to support UUID/ULID columns without having to be explicit about it.

Adds association_uuids= method on has_many and has_and_belongs_to_many associations

UUIDv47 implementation in Ruby