Enable the query_cache for your abstract base class inherited from ActiveRecord::Base

Mutex that can be used to synchronise ruby processes via an ActiveRecord datababase connection. (Only Mysql is supported at the moment.)

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...

An ActiveRecord adapter for MySQL, based on mysql gem.

An ActiveRecord extension for enabling SQL_CACHE and SQL_NO_CACHE in MySQL queries

Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

Adds scopes to your models to perform nearest neighbor queries with PostGIS and PostgreSQL. Also provides rake tasks for generating migrations to create geospatial tables or add geospatial columns and indexes to your existing tables.

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

A store is required by an OpenID server and optionally by the consumer to store associations, nonces, and auth key information across requests and processes. If rails is distributed across several machines, they must must all have access to the same OpenID store data, so the FilesystemStore won't...

A ruby gem that makes working with Postgres arrays in ActiveRecord easier

Several extensions to ActiveRecord's PostgreSQLAdapter.

Allows polymorphic loading of has_many through objects

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

ActiveRecord support for the PostgreSQL cube data type.

Provides some support for PostgreSQL cursors in ActiveRecord.

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

Turns off Rails DB schema version.

Provides connection management for Rack applications using ActiveRecord.

Get raw data from ActiveRecord

Provide access to PostgreSQL's sequences