A collection of libraries for working with SQL on top of ActiveRecord's connection.

Add the ability to use the Google Authenticator with ActiveRecord.

Dump and load relational objects between Ruby environments.

RSpec matcher to control SQL queries made by block of code

Sequent is a CQRS and event sourcing framework for Ruby.

Arproxy is a proxy layer that allows hooking into ActiveRecord query execution and injecting custom processing

Tools to build your double entry financial ledger

Add binary (not string) UUIDs to ActiveRecord in MySQL

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.

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Zero downtime migrations with ActiveRecord and PostgreSQL

This version is obsolete, please use the postgres-copy gem

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

UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

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

MetaWhere offers the ability to call any Arel predicate methods (with a few convenient aliases) on your Model's attributes instead of the ones normally offered by ActiveRecord's hash parameters. It also adds convenient syntax for order clauses, smarter mapping of nested h...

Extend ActiveRecord pluck to return hash instead of an array. Useful when plucking multiple columns.

Rails extensions for using Roar in the popular web framework.