paranoid models for rails 4

Partisan is a Ruby library that allows ActiveRecord records to be follower and followable, just like on popular social networks. It’s heavily inspired by acts_as_follower which is no longer maintained.

A gem that allows you to exclude some columns from a SELECT query by default and load them only on demand

A simple gem for one off tasks for example database patches

Object creation methods everyone already has

Serialize objects into Protocol Buffers messages

Generate permalink attributes on ActiveModel/ActiveRecord

Easy denormalization for your ActiveRecord models

Fast Ruby PG csv export. Uses pg function 'copy to csv'. Effective on millions rows.

Takes care of postgres DB consistency for ActiveRecord polymorphic associations via partitioning and inheritance

This gem provides a class with methods which map directly to the SQL stored procedure APIs provided by pglogical. It also provides a way to mix these methods directly into the ActiveRecord connection object.

Queues system for AR/Rails based on PgQ Skytools for PostgreSQL, like Resque on Redis. Rails 2.3 and 3 compatible.

A comprehensive PostgreSQL monitoring and analysis library that provides insights into query performance, index usage, table statistics, and more. Includes a beautiful web dashboard and Telegram notifications.

Pipeline is a Rails plugin/gem to run asynchronous processes in a configurable pipeline.

Polo travels through your database and creates sample snapshots so you can work with real world data in development.

Provides a database-friendly method for polymorphic relationships

Choose per model and/or controller&action whether a read-only query should be sent to master or a hot standby. Or just use Postamt.on(:slave) { ... }.

Adds helpers to migrations and dumps check constraints to schema.rb

Uses Postgres's powerful COPY command to upsert large sets of data into ActiveRecord tables

Thin ActiveRecord Redshift Adapter extension for existing PostgreSQL adapter.