luis@328: class CreateAuthorships < ActiveRecord::Migration
luis@328:   def self.up
luis@328:     create_table :authorships do |t|
luis@328:       t.column :author_id, :integer
luis@328:       t.column :publication_id, :integer
luis@328:       t.column :name_on_paper, :string
luis@556:       t.column :auth_order, :integer
luis@328:       t.column :institution, :string
luis@328:       t.column :email, :string
luis@328:     end
luis@328:   end
luis@328: 
luis@328:   def self.down
luis@328:     drop_table :authorships
luis@328:   end
luis@328: end