ActiveRecord migration library to speed up schema changes for large PostgreSQL tables
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README.md

Switcheroo

ActiveRecord migration library to speed up schema changes for large PostgreSQL tables

Usage

Add this line to your application's Gemfile:

gem 'switcheroo'

And then in an ActiveRecord::Migration

class AddColumnsToTransactions < ActiveRecord::Migration
  def up
    switcheroo :transactions do |t|
      t.datetime :deleted_date
      t.rename :user_description, :description
      ...
    end
  end

  def down
    switcheroo :transactions do |t|
      t.remove :deleted_date
      t.rename :description, :user_description
      ...
    end
  end
end

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request