activemodel form object pattern. it embraces multiple AR models and provides a transparent interface as if they were a single model.

A new way to manage multi-tenant applications based on multiples databases

Extends ActiveRecord to support covering indexes in PostgreSQL using the INCLUDE clause.

ActiveRecord adapter for Crate, the distributed database for Docker.

An ActiveRecord extension for classifying models and fields as confidential data

ActiveRecord::DebugErrors is an extension of activerecord to display useful debug logs on errors.

Batch up your ActiveRecord "touch" operations for better performance. ActiveRecord::Base.delay_touching do ... end. When "end" is reached, all accumulated "touch" calls will be consolidated into as few database round trips as possible.

Activerecord::Duckdb providers DuckDB database access for Ruby on Rails applications.

Provides integration between ActiveRecord::Enum and I18n.

An ActiveRecord extension for polymorphic exclusive arc relationships

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

Native MySQL additions to ActiveRecord, like LOAD DATA INFILE, ENABLE/DISABLE KEYS, TRUNCATE TABLE.

A safe way to accept user parameters and query against your ActiveRecord Models

A gem that checks database health by monitoring active session count relative to available vCPUs. Intended for automatic load shedding.

Allow ActiveRecord to share a connection to multiple databases on the same host

ActiveRecord extension to allow partitioning ids into regions, for merge replication purposes

Include ActiveRecord::Immutable in your ActiveRecord models to make your tables append-only.

Pass control of Active Record methods to a dedicated object.

Attribute inheritance for AR associations

Specify columns like you would with ActiveRecord migrations and then run .auto_upgrade! Based on the mini_record gem from Davide D'Agostino, it adds fewer aliases, doesn't create timestamps and relationship columns automatically.