A software model in Ruby for the greenhouse gas emissions of an rail_trip

ActiveRecord backend for DelayedJob

RakeAR is a Ruby Gem containing some common Rake tasks to help manage your ActiveRecord database independant of Rails.

Data migration tool using (ruby)Active Record.

Providing analytics as a DSL to an InfobrightCE database

RandomizedField is a simple ActiveRecord module that populates a field with a unique, randomly-generated string. This is useful for generating one-off tokens or creating a non-incrementing unique ID. See the project page for example uses.

Randomize the `id` attribute of ActiveRecord objects.

The easiest way to get random records from database with best performance that you ever seen.

Returns a random record for Ruby Models using ActiveRecord

Generate random but unique ids for your active record records.

use as active record relation method

Splits database ranges into lower and upper attributes in ActiveRecord

ActiveRecord extension for ranking/storing records

Variation of ranked-model using Pg HStore.

ranked-model-rails2 is a modern row sorting library built for Rails 2, backported from ranked-model. It uses fake_arel and is better optimized than most other libraries.

Rankle provides multi-resource ranking.

expand search by ransack

Model-wrappers to customize ransack search

A ruby library to provide rapid insertion of rows into a database

raspy adds a prefetch mechanism to ActiveRecord which is parallel to the ActiveRecord associations.