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...

A good, simple, solid tagging extension for ActiveRecord

Multiple databases for Rails

Simple positioning for Active Record models.

Rails extensions for using Roar in the popular web framework.

Compatible migration file between Rails 4.2 and 5+

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, ...

ActiveWarehouse ETL is a pure Ruby Extract-Transform-Load application for loading data into a database.

Make your model acts as a list. This acts_as extension provides the capabilities for sorting and reordering a number of objects in a list. The class that has this specified needs to have a +position+ column defined as an integer on the mapped database table.

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).

Execute irreversible actions only when transactions are not rolled back

Easy SQL based report generation with the ability to accept request parameters and render multiple formats.

ActiveWarehouse ETL is a pure Ruby Extract-Transform-Load application for loading data into a database.

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

Easily create robust, standardized API endpoints using lightning-fast database queries

Add social network friendship features to your Active Record models.

An extension for Lograge to log SQL queries

Mongify allows you to map your sql data into a mongodb document database with a simple DSL.

A simple framework for building APIs with Grape