Simple, conservative slave reads for ActiveRecord

This gem provides asynchronous indexing to Solr for the sunspot gem. It uses a pluggable model for the backing queue and provides support for ActiveRecord, DataMapper, and MongoDB out of the box.

Tenacity provides a database client independent way of specifying simple relationships between models backed by different databases.

Manage delta indexes via Resque for Thinking Sphinx

ULID for Rails

A library for validating model association existence.

Add some nice ActiveModel/ActiveRecord validators.

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

ActionSubscriber is a DSL that allows a rails app to consume messages from a RabbitMQ broker.

activejob-cancel provides cancel method to Active Job

ActiveRecord Association Helper for PORO (Plain Old Ruby Object)

ActiveRecordDistinctOn adds support for `DISTINCT ON` to ActiveRecord. At the time of this writing, PostgreSQL is the only database which supports this syntax; however, this gem has been written with database independence in mind so that if another Arel visitor adds support for `Arel::Nodes::Dist...

An ActiveRecord extension providing convenience methods for timestamp management.

Use PostgreSQL JSONB fields to store association information of your models

Gives ActiveRecord support for PostgreSQL's native inherited tables

ActiveRecord connection adapter for MySQL. It is based on the stock MySQL adapter, and adds built-in support for the spatial extensions provided by MySQL. It uses the RGeo library to represent spatial data in Ruby. This gem is maintained for MySQL 8.0 and 8.4.

Support for Postgres Notify/Listen

This gem allows automatic connection switching between a primary and one read replica database in ActiveRecord. It pattern matches the SQL statement being sent to decide whether it should go to the replica (SELECT) or the primary (INSERT, UPDATE, DELETE).

Active Record slotted counters support

Just wrap your existing code in `@relation.summarize do |relation| ... end` and run your queries against relation instead of @relation.