Pass control of Active Record methods to a dedicated object.

Attribute inheritance for AR associations

Specify columns like you would with ActiveRecord migrations and then run .auto_upgrade! Based on the mini_record gem from Davide D'Agostino, it adds fewer aliases, doesn't create timestamps and relationship columns automatically.

Fork of the ActiveRecord JDBC adapter with support for SQL Server and Azure SQL, for more information and help look at the README file in the github repository. AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used with JRuby built upon Java's JDBC API for database a...

Install this gem and require 'teradata' with JRuby on Rails.

Adds support for lazy-loading columns in Active Record models

Something with the combination of Rails 3.1, Mysql2 0.3.x, Capybara, Selenium/Webkit/etc causes Mysql to raise exceptions where the connection is waiting on a result. This gem provides an auto-retry capability with the Mysql2Adapter to retry any query execution up to 5 times. Thi...

It is a library that performs extended verification when an error occurs when executing SQL.

Implements the Null Object Pattern for nil values in ActiveRecord associations.

This gem adds comments to the SQL to indicate where the SQL parts are constructed.

PostgreSQL PGCrypto support for ActiveRecord models.

Several extensions to ActiveRecord's PostgreSQLAdapter.

PostGIS Type support for ActiveRecord

This gem adds support to the ActiveRecord (3.x and 4.x) for composite types.

Active Record support for PostgreSQL JSON type

citext support for rails

ActiveRecord support for the PostgreSQL cube data type.

A whole bunch of extensions the ActiveRecord PostgreSQL adapter.

A simple ActiveRecord extension to support where with comparison operators (`>`, `>=`, `<`, and `<=`).

Provides detailed insights into how your code interacts with the database by hooking into ActiveRecord.