Build Rails apps in a more maintainable way

Rein adds bunch of methods to your ActiveRecord migrations so you can easily tame your database.

Sequent is a CQRS and event sourcing framework for Ruby.

Switching database connection between readonly one and writable one.

Create temporary table-backed ActiveRecord models for use in tests

Compatible migration file between Rails 4.2 and 5+

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints a...

Tools to build your double entry financial ledger

Add binary (not string) UUIDs to ActiveRecord in MySQL

Simple positioning for Active Record models.

Dump and load relational objects between Ruby environments.

Make your PG migrations safe.

Scoped search makes it easy to search your ActiveRecord-based models. It will create a named scope :search_for that can be called with a query string. It will build an SQL query using the provided query string and a definition that specifies on what fields to search. Because the func...

ThumbsUp provides dead-simple voting capabilities to ActiveRecord models with karma calculation, a la stackoverflow.com.

Zero downtime migrations with ActiveRecord and PostgreSQL

Idempotent operations for Rails apps, built on top of ActiveJob.

This version is obsolete, please use the postgres-copy gem

Enable a Rails application to have separate databases for each tenant. This gem primarily extends Active Record, creating a new connection pool for each tenant and using horizontal sharding to swap between them. It also provides integrations for middleware tenant selection, Action View Caching, ...

Real PostgreSQL 9.5+ upserts using ON CONFLICT for ActiveRecord

Use this module to defer actions to the after-commit hook. This is useful if you want to trigger actions in after_create, after_destroy and after_update callbacks but want to execute them outside of the transaction (for example, to avoid deadlocks).