Subscribe to changes on ActiveRecord models

Backported from Rails 5.0 to use with 4.x versions

Any_of allows to compute dynamic OR queries.

Recursively traverse trees using a single SQL query

ActiveRecord Stand-alone migrations

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.

Refresh ActiveRecord connection on each rack request.

Rescue from MySQL and Sqlite duplicate errors

Redirect ActiveRecord (Rails) reads to slave databases while ensuring all writes go to the master database.

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.

Simple tagging gem for Rails using postgres array.

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.