Adds support in ActiveRecord for foreign_keys, complex indexes and other database-related stuff. Easily create foreign_keys, complex indexes and views.

AssertActiveRecord adapter for ActiveRecord 4.

Assets is a simple gem that provides an ActiveRecord model that handles attachments via paperclip, and provides additional helpful and often common functionality

Provides association accessors like `Company#user_serials` and `User#company_serial` where `Company.has_many :users` and `User.belongs_to :company`.

Provides a way to define callbacks of one ActiveRecord model into an associated one

Get an ActiveRecord association count with ease and without worrying about N+1 queries. A small gem for ActiveRecord that allows association counts to be included in your base query.

Detailed reports for Active Record Associations

ActiveRecord plugin which provides the possibility to build an association without affecting to parent object.

Simple asynchronous jobs for Rails

Lightweight, asynchronous, and database-backed execution of singleton methods.

Reverse engineer DB with composite keys to Active Records

JSON API(jsonapi.org) serializer that works with rails and can be used to serialize any kind of ruby objects

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

Atlassian JWT Authentication provides support for handling JWT authentication as required by Atlassian when building add-ons: https://developer.atlassian.com/static/connect/docs/latest/concepts/authentication.html

Atlassian JWT Authentication provides support for handling JWT authentication as required by Atlassian when building add-ons: https://developer.atlassian.com/static/connect/docs/latest/concepts/authentication.html

This validator tests whether associated collection is going to be empty after saving. It will be passed if at least one association of the specified collection will exist. The validator provides helper method and default error message.

Limit your ActiveRecord models

AtomicArrays is a lightweight gem that aims to assist ActiveRecord with PostgreSQL array operations by offering a couple simple methods to update arrays in the database and the instance that it is called on. These metho...

first_or_create does not guarantee uniqueness by itself, and if there is a uniqueness constraint on the database, it may fail with a RecordNotUnique exception. This gem adds atomic_first_or_create, which, in conjunction with a uniqueness constraint, provides the correct behaviour.

Atomic update of JSON/JSONB fields for ActiveRecord models