Gives a hook on MySQL warnings that allow you to either raise or log them.

Active Record support for PostgreSQL JSON type

A whole bunch of extensions the ActiveRecord PostgreSQL adapter.

This gem allows automatic connection switching between a primary and one read replica database in ActiveRecord. It pattern matches the SQL statement being sent to decide whether it should go to the replica (SELECT) or the primary (INSERT, UPDATE, DELETE).

Amazon Redshift adapter for ActiveRecord 7+

An Active Record extension for Multitenancy with PostgreSQL Row Level Security

Create ActiveRecord relations from UNIONs

Touch `updated_at` by default with calls to `update_column(s)` and `update_all`

Automatic database view creation for ActiveRecord

Define attributes in arel

An implementation of repository pattern that can connect with any ORM

Use your DB as a cache store

ActiveRecord extension for sorted adjacency lists support

This is a ruby gem that provides drop in replacement for acts_as_tree but makes use of SQL recursive statement. Be sure to have a DBMS that supports recursive queries when using this gem (e.g. PostgreSQL or SQLite).

ActiveRecord extension that provides revision support so that history can be tracked and changes can be reverted. Emphasis for this plugin versus similar ones is including associations, saving on storage, and extensibility of the model.

Annotate your models and keep your comments about fields.

Easing the creation of DTOs from your ActiveRecord models.

Parameter filter done OO, extending strong parameters.

Provides an easy way to do something that is possible in Rails but still a bit close to the metal using store_accessor: create typecasted, persistent attributes that are not columns in the database but stored in the JSON "data" column. Also supports infinite nesting of embedded models.

ArelToolkit contains parsing, querying, modifying, optimisations, extensions and more for Arel.