This gem provides a way to connect to AWS Redshift using the ruby-pg.

simple_recommender offers item-based similarity recommendations for a Rails app using Postgres, using your existing ActiveRecord associations

Manage delta indexes via Resque for Thinking Sphinx

This extension provides an interface for the admin to upload new themes, publish it to the spree store, modify the theme layout accordingly and later download it.

Description of Connect.

Enhances ActionCable's built in Postgres adapter with handling of the 8000 byte limit for PostgreSQL NOTIFY payloads and allows usage without ActiveRecord.

Provides easy DSL integration between ActiveAdmin & state_machine

ActiveRecordDistinctOn adds support for `DISTINCT ON` to ActiveRecord. At the time of this writing, PostgreSQL is the only database which supports this syntax; however, this gem has been written with database independence in mind so that if another Arel visitor adds support for `Arel::Nodes::Dist...

Save unnecessary round trips to the database

Gives ActiveRecord support for PostgreSQL's native inherited tables

From http://edgeguides.rubyonrails.org/active_record_migrations.html#types-of-schema-dumps: There is however a trade-off: db/schema.rb cannot express database specific items such as triggers, stored procedures or check constraints. While in a migration you can execute cust...

Support for Postgres Notify/Listen

PostgreSQL Adapter for Active Storage

Access postgres without blocking.

Perform background jobs and ask for the result in a simple way.

Allows quick and easy connection to the cartodb API.

Based on heroku dataclips feature, SQL -> Dataset

Graph functionality for ActiveRecord

Exception tracking engine

Genealogy is a ruby gem library which extends ActiveRecord models in order to make its instances act as relatives so that you can build and query genealogies