add [sum|count]_[daily|weekly|monthly] to your AR models for MySQL AND Postgres

Make ActiveRecord's PostgreSQL adapter always use bigint columns

Compatible with mysql, sqlite, and postgres

A Rails plugin to move legacy data into a separate table

Enable PostgreSQL's CHECK constraints on ActiveRecord migrations

A tool to simplify creation and development of Ruby daemons.

Adds support for missing SQL operators and functions to Arel

Provides haversine formula, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Provides trigonometry functions, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Add support for creating `ENUM` types in PostgreSQL with ActiveRecord

ARiiP: integrate everything. Automated real-time integration & interoperability platform.

Tools for Interval columns for ActiveRecord

Monocle helps you manage your DB views.

Pagination for Rails controllers.

Use a Postgres array column to manage a model's roles

Make ActiveRecord's PostgreSQL adapter use timestamptz as datetime columns

Store values for multiple languages in an ActiveRecord attribute using PostgreSQL's hstore.

ASIR ActiveRecord Transport

This gem extends ActiveRecord to add additional functionality to JSONB - use PostgreSQL JSONB data for associations - thread-safe single-key updates to JSONB columns using `jsonb_set` - extended `table#references` for easy migrations and indexes - virtual JSONB foreign keys using check constraints (NOTE: real foreign key constraints are not possible with PostgreSQL JSONB) Inspired by activerecord-jsonb-associations, but for use in Rails 6+ and ruby 2.7+ and with some unnecessary options and features (HABTM) removed and some additional features added

Reverse engineer DB with composite keys to Active Records