Making object from any hash or hash array

Simple gem that allows you to run multiple ActiveRecord::Relation using hash. Perfect for APIs.

Simple gem that allows you to run multiple ActiveRecord::Relation using hash. Perfect for APIs.

Amazon Redshift adapter for ActiveRecord 7.x.

Simulate multi-table inheritance for activerecord models using a polymorphic association

Cursor-based pagination for ActiveRecord.

Awesome patches backported for ActiveRecord MySQL adapters

N+1 count query killer for ActiveRecord

A tracer for Active Record queries

Add relational OLAP-like functionality for ActiveRecord

Directed Acyclic Graph hierarchy for Rail's ActiveRecord, supporting Rails 4.x

Use Youtube-Like ID in ActiveRecord seamlessly.

Represent ActiveRecord Markdown, Textile, RDoc columns as Markdown, Textile, RDoc objects using various external libraries to convert to HTML.

It just makes sense to store mutable, site-wide, admin-level settings in the database. Right? A key-value table may be more flexible, but maybe we don't want to be flexible! If you truly want that flexibility: http://github.com/stephencelis/kvc

Oauth and OpenID made dead simple, added custom token settings for Facebook

Arel is a Relational Algebra for Ruby. It 1) simplifies the generation complex of SQL queries and it 2) adapts to various RDBMS systems. It is intended to be a framework framework; that is, you can build your own ORM with it, focusing on innovative object and collection modeling as opposed to database compatibility and query generation.

Adds the missing outer_joins method to ActiveRecord

Restrict the values assignable to ActiveRecord attributes or associations

Automatically increments an ActiveRecord column

This gem adds to carrierwave a storage facility which will use the PostgreSQL's oid datatype to reference a large object residing in the databse. It supports up to 2GB files, though it's better suited for smaller ones. Makes life easier for fast prototyping and put all your data in the same place, allows one backup for all your data and file storage in heroku servers.