A library for constructing an sql query from a hash. Uses a strict, yet flexible specification.

Lets you do cohort analysis based on two strategies: "big", which discards characteristics for the maximum cohort result, and "strict", which discards characteristics in order until a minimum cohort size is reached.

Oracle "enhanced" ActiveRecord adapter contains useful additional methods for working with new and legacy Oracle databases. This adapter is superset of original ActiveRecord Oracle adapter.

Recursively traverse trees using a single SQL query

A layer on top of ActiveRecord for using paths within queries without thinking about association joins

Active Record MTI gem powered by database views

Flounder is the missing piece between the database and your Ruby code. It allows very simple access to database tables without going all the way to begin an object mapper.

A simple implementation of a Arel field to calculate GeoDistances.

This is an adaptation of the extraction of the `auto_link` method from rails that is the rails_autolink gem. The `auto_link` method was removed from Rails in version Rails 3.1. This gem is meant to bridge the gap for people migrating...and behaves a little differently from the parent gem we for...

Expose model columns and ARel methods through query parameters in grape end points

IBM Data Servers: {DB2 on i5/OS}

Setup your rails project with everything you need quickly. Not really a Gem, but everything you need is in the gem's files'.

Multitenancy logic for the Inteliguide Suite

ActiveRecord adapter for Cloudera's Kudu over Impala database

Report generator that graphs over ActiveRecord associations

Convert MongoDB query to Arel for MySQL. Forked from miyagawa/mongery

Helpers for CME Group, Interactive Brokers, and Yahoo Finance

Add support options of ordering about null values for PostgreSQL.

Manages all person name fields (prefix, first name, middle name, intercalation, last name, suffix)

Simple ActiveRecord PostgreSQL full text backed by Arel