Optimize queries of ActiveRecord preload functions.

Allows ActiveRecord and Rails to use a `cached_at` column for the `cache_key` if available

Instead of scattering validations, strong parameters, and business rules across controllers and models, changesets give you one clear interface for handling data before it touches the database.

A tool to help with cloning of active record objects.

Allows you to use postgresql CTE in ActiveRecord

Custom preloader for ActiveRecord.

Duplicating ActiveRecords is easy again.

ActiveRecord validator, which prevent change column on update

Provides `ActiveRecord::Relation#except`, a convenience method that let's you select all the fields from a table with the exception of the given ones.

Break large filters into components and see how each component affects the result

Unique token strings for your activerecord models

Just use instance.hat(<attribute>) to get the human attribute name translation for the attribute

Easily translate your ActiveRecord's enums.

The ActiveRecod MemSQL Adapter is an ActiveRecord connection adapter based on the standard mysql2 adapter. This adapter is a customized version of the mysql2 adapter to provide support for MemSQL.

Monkey patch to index nested errors for ActiveRecord 4

Normalize your ActiveRecord models' attributes

Provides `ActiveRecord::Relation#one!`, a convenience method that asserts a relation contains exactly one record and returns it. If there are no records or more than one, an `ActiveRecord::NoRecordFound` or `ActiveRecord::MultipleRecordsFound` exception is raised, respectively.

This patch provides first_or_create method to be atomic, once the default one isn't!!!

Automatic reconnection for Postgres

This gem provides an extension to ActiveRecord, enabling efficient Multi-Table, Multiple-Inheritance for ActiveRecord models.