nice and easy, user-facing uuids

Compression and packing methods for singular and collection UUIDs.

A simple gem to auto generate UUIDs for the id field of models.

Generate uuids for models

Add binary (not string) UUIDs to ActiveRecord in MySQL

Simple, scalable UUID generation.

active_record_uuid is a nice gem that add uuid supports to your activerecord models (MySQL). It allows you to store uuid in various formats: binary (16 bytes), base64 (24 bytes), hexdigest (32 bytes), or string (36 bytes), and query back with uuid string.

FriendlyUUID is a Rails gem that shortens your UUID records' URLs. What once was 758d633c-61d4-4dfc-ba52-b7b498971097 becomes 758d. FriendlyUUID does not introduce any new state to your models, even under the hood. FriendlyUUID URLs are exactly as unique as they need to be. The first record will be one character. Would-be collisions expand to two characters, and so on. FriendlyUUID is inspired by friendly_id, but is focused on being lightweight and specific to models with UUID primary keys.

Useful helpers to consistently migrate Integer id columns to UUID in PostgreSql. Special support for primary keys and references.

Bullet Train Has UUID

The has_uuid gem adds a UUID to your AR models. See the README for details.

UUID generator/parser in <300 lines. It fully supports UUID versions 1, 3, 4 and 5.

Guid is a Ruby library for portable GUID/UUID generation. At the moment it can be used on Windows (except first release of Win95 and older) and on Unix. This is a fork of David Garamond's ruby-uuid library.

AR model to store uuids assigned to various resources. It is expected a resource can be identified by many UUIDs.

UUID V4 compliant timestamp uuid where also the string representation is correctly sorted by timestamp

activerecord_uuid_as_pk is a extension for ActiveRecord to enable to use uuid for id attribute.

uuid_v7 enables UUID V7 as primary keys in Rails, optimized for Mysql and Sqlite, with efficient migration and integration features.

Creates UUID version 5 out of scientific name string. It uses globalnames.org domain for DNS namespace. There is a 1:1 relationship between the string and the corresponding UUID, so it allows globally connect data about a name string originated from independent sources without a need to negotiate identifiers.

Overrides setting flash messages to automatically wrap them in a hash. The original message is stored in the :message key and the request UUID is stored in the :request_uuid key.

RSpec UUID matcher