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

Adds support for CTEs for PostgreSQL and ActiveRecord

Thin ActiveRecord Redshift Adapter extension for existing PostgreSQL adapter.

Ruby/Rails DSL for Prediction.io, an open source machine learning server.

Predictive loader

A better API for ActiveRecord eager loading

Preload association or scope counts. This can greatly reduce the number of queries you have to perform and thus yield great performance gains.

ActiveRecord plugin to prevent destroy when associations are present

Super simple way to store prices

Manage the parameterized prompts (text) used in generative AI (aka chatGPT, OpenAI, et.al.) using storage adapters such as FileSystemAdapter, SqliteAdapter, and ActiveRecordAdapter.

APNS support for the modular push daemon.

Adds callback hooks for your ActiveModel models for sending messages to a Pusher channel.

Ruby gem developed to help with pagination, filtering, sorting, and including associations on both active record queries and custom sql queries

Installs two database functions, `quick_count` and `count_estimate` for getting count estimations on large tables

Returns random records for Ruby Models fast and quick

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A server health check for active_record.

Active Record (~>3.1) plugin which allows you to hide and restore records without actually deleting them. Check its GitHub page for more in-depth information.

Rails-bigint-pk modifies Rails so that it uses 64-bit primary and foreign keys. It works with MySQL and PostgreSQL and has versions for Rails 3 and 4.