The polite data migration valet.
MIT License
Collapse already run rails migrations
Squasher - squash your old migrations in a single command
A Rails Migration to convert your UUID primary keys back to integer / bigint primary keys
lol_dba is a small package of rake tasks that scan your application models and displays a list of...
An easy to setup and flexible importer for Ruby on Rails
Extends Sinatra with ActiveRecord helper methods and Rake tasks (now maintained by @holman).
Separate schema from data migrations in your Rails apps
Rails gem allowing ActiveRecord models to have order and to move them up and down
ActiveRecord Stand-alone Migrations (for non-Rails projects)
serialize on steroids
A rubygem to check the reversibility of migration files
Foreign key migration generator for Rails