data-migrations-arborist-step1.rb

class AddFirstNameAndLastNameToUsers < Arborist::Migration
  model :User
  
  data do
    model.find_each do |user|
      first_name, last_name = user.full_name.split ' '
      
      user.first_name = first_name
      user.last_name  = last_name
      user.save!
    end
  end
  
  schema do
    add_column :users, :first_name, :string
    add_column :users, :last_name, :string
  end
end