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.

Mutex that can be used to synchronise ruby processes via an ActiveRecord datababase connection. (Only Mysql is supported at the moment.)

If you are stuck with a MySQL database where the naming is, well, unrailslike, activerecord-mysql2-legacy-db-adapter offers a way to do the translation. It works at the driver level and doesn't require you ro change the structure of the database. Also there are no database views which should be kept up to date as you add or remove fields.

Adds column comment and index comment to migrations for ActiveRecord MySQL adapters

Dump the type information of a non-standard primary key.

MySQL REPL featured by ActiveRecord and Pry

An ActiveRecord extension to build nested scopes through pre-defined associations

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

ActiveRecord Random is a Ruby Gem that empowers your ActiveRecord Models with the ability to return a random record without using SQL RAND().

Merge scoping to associations

Serialize an ActiveRecord::Base attribute via JSON in Ruby on Rails

The ActiveRecod SinglestoreAdapter is an ActiveRecord connection adapter based on the Mysql2 adapter.

MySQL Replicaition(master/slave) for ActiveRecord

Stream ActiveRecord results

Temp Table for activerecord

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

Support MySQL's INSERT ... ON DUPLICATE KEY UPDATE in ActiveRecord

active_record_uuid is a nice gem that add uuid supports to your activerecord models (MySQL). It allows you to store uuid in various formats: binary (16 bytes), base64 (24 bytes), hexdigest (32 bytes), or string (36 bytes), and query back with uuid string.

activerecord_uuid_as_pk is a extension for ActiveRecord to enable to use uuid for id attribute.

SQL views with ActiveRecord