Allows to describe field names that will be stored within hstore column together with their types. Data can then be retrieved with a set of helpful getters.

This is not rocket science at all, this gem just adds a helper method to retrieve human friendly errors from ActiveRecord models.

Allows you to compare Active Record objects based on their *attributes* (with same_as?), to exclude some attributes from being used in comparison, and adds improved inspect method

Make ActiveRecord objects immutable.

Smart gem for importing CSV files to ActiveRecord models

Provides a method to execute SQL while automatically caching

Makes it easy to have specific concern modules included into all of your models after the model has connected to the database

Add index hints method(use/ignore/force index) to ActiveRecord

Manage ActiveRecord model instantly.

ActiveRecordInTimeScope provides time-window scopes for ActiveRecord models.

ActiveRecordish is something like ActiveRecord. Assumed usage is using models don't have db relation but have array of instances.

Import items quickly with activerecord-jdbc

ActiveRecord adapter for NuoDB. Only for use with JRuby. Requires separate Cache JDBC driver.

activerecord-jdbc-plsql provide a Ruby wrapper to use PL/SQL with Active Record and JDBC

Instead of a many-to-many join table, serialize the ids into a JSON array.

Importing records from a json file go slow?. No problem, use me. It uses the awesome activerecord-import gem. Documentation and code in https://github.com/carlosgab83/active_record_json_importer/

Build json

Stream large ActiveRecord relations as JSON arrays over HTTP using chunked response bodies and Keyset pagination without OOM.

This ActiveRecord extension adds JWT(JSON Web Token) method

A useful ActiveRecord extension to handle columns containing large amounts of data