ActiveRecord Stand-alone migrations

Awesome patches backported for ActiveRecord MySQL adapters

MySQL index hint support for ActiveRecord

This gem enables your model to query the database using the earthdistance extension. This should be much faster than using trigonometry functions over standart indexs.

Rescue from MySQL and Sqlite duplicate errors

Rails ActiveRecord connector for Google Spanner Database

This gem is only needed before Rails 7.1, where the trilogy adapter is built in. When you upgrade to a version after 7.1.a, replace this with `gem "trilogy"` to ensure that trilogy itself is available.

Directed Acyclic Graph hierarchy for Rail's ActiveRecord, supporting Rails 4.x

Plugin for running methods on ActiveRecord models after record is committed

With Amountable, you can easily attach, organize and sum Ruby money fields to your models without migrating.

Oauth and OpenID made dead simple, added custom token settings for Facebook

Multidb is an ActiveRecord extension for switching between multiple database connections, such as primary/replica setups.

Extension for ActiveRecord that adds support for PostgreSQL array columns, mapping string values to integers.

Oauth and OpenID made dead simple

Brainstem allows you to create rich API presenters that know how to filter, sort, and include associations.

This Gem provides a simple way to query ClickHouse databases using the HTTP interface.

Cucumber Factory allows you to create ActiveRecord models from your Cucumber features without writing step definitions for each model.

Provides automatic deadlock retry and logging functionality for ActiveRecord and MySQL

Delayed is a multi-threaded, SQL-driven ActiveJob backend used at Betterment to process millions of background jobs per day. It supports postgres, mysql, and sqlite, and is designed to be Reliable (with co-transactional job enqueues and guaranteed, at-least-once execution), Scalable (with an opti...

A modern profiler for your Rails application