Use ActiveRecord 4 in non-rails projects.

An unobtrusive and modular plugin for Active Record that adds support for time-travel querying and data versioning at the application level, at the system level via PostgreSQL triggers, or both.

Temp Table for activerecord

Patch ActiveRecord to have a fair, threadsafe connection pool

A handler for storing TimeOfDay objects in ActiveRecord objects as sql time values.

ArInterval extends ActiveRecord with methods to query records in regular time intervals, automatically filling gaps with nil values. Useful for creating consistent time-series data from sparse database records.

The activerecord-timescaledb-adapter provides access to features of the Timescale Postgres extension from ActiveRecord.

Simple ActiveRecordModel to_csv() class method that preserves scopes

Convert ActiveRecord objects to plain old ruby objects and vice versa

It sends ActiveRecord objets to SimpleDB using Resque

Extend AR to use touch for has_many and has_one relations

ActiveRecord OpenTracing tracer

This gem enables tracking of dirty associations on ActiveRecord objects

Type information of activerecord models, attributes and associations in good and clear manner

Getting transactions right is hard, and this gem makes it easier.

Queue up calls to specific models and execute them in transactions, after a certain number of models have been added.

The number of queries executed in a transaction, the execution time, and the wall-clock time of the transaction are logged at the end of the transaction.

translatable activerecord attributes

ActiveRecord connection adapter for MySQL. It extends the Rails built-in Trilogy adapter and adds spatial extensions support via RGeo. Compatible with Rails 8.1+ native Trilogy adapter. Requires Ruby 3.2+ and Rails 8.1+.

Handles MySQL ER_OPTION_PREVENTS_STATEMENT (1290) errors by translating them into ActiveRecord::ConnectionFailed, enabling Rails' built-in retry mechanism to transparently reconnect. Useful for Aurora failover, ProxySQL, RDS Multi-AZ, or any MySQL read-only switchover scenario.