Real PostgreSQL 9.5+ upserts using ON CONFLICT for ActiveRecord

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.

Execute irreversible actions only when transactions are not rolled back

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 and ActiveRecord validations with better performance and consistency.

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.

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

A good, simple, solid tagging extension for ActiveRecord

Add social network friendship features to your Active Record models.

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

Multiple databases for Rails

A simple framework for building APIs with Grape

Add width, height and size methods to paperclip images

Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4.

Database-backed Action Cable backend.

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

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).

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.