ActiveRecord::MySQL::Strict adds validations to ActiveRecord models to make sure they do not trigger errors in MySQL strict mode.

Cleaner structure.sql for MySQL.

Adds :destroy_if option to accepts_nested_attributes_for, which is basically a stronger version of :reject_if that destroys existing records, too.

Very simple implementation of tableless

A store is required by an OpenID server and optionally by the consumer to store associations, nonces, and auth key information across requests and processes. If rails is distributed across several machines, they must must all have access to the same OpenID store data, so the FilesystemStore won't...

A monkey patch for oracle-enhanced ISSUE #755.

Oracle enhanced adapter with schema config support for ActiveRecord (Using this gem, you can specify schema details in database.yml). This gem is a tweaked version of original activerecord-oracle_enhanced-adapter gem.

Order your ActiveRecord scopes by a supplied list of ids

Allow chaining active record scopes with OR.

Signalize when some primary key overflow soon.

activerecord with pattern match

A ruby gem that makes working with Postgres arrays in ActiveRecord easier

ActiveRecord connection adapter for safe PgBouncer use

This gem adds a feature which inserts records using PostgreSQL generate_series function to ActiveRecord. Insertion using generate_series function is very fast, so it is useful when you want to insert simple but many and many record, e.g. prepare for performance test.

Adds support for working with temporary tables and pivot tables (PostgreSQL only)

This gem provides a very simple interface where one can wrap a lambda within a timeoutable transaction and pass a custom handler along it

This gem provides the functionality of ActiveRecord::Relation#pick for Rails 5 and 4.2 apps.

Want all the IDs, or names, or whatever field of your ActiveRecord model? Account.ids, Account.names ...

handle Polyline object on ActiveRecord

active_record-pool is an extension to active_record that gives you an interface to write high-speed inserts, updates, & delete in a manageable way.