class CreateArtistCommentaries < ActiveRecord::Migration def self.up create_table :artist_commentaries do |t| t.integer :post_id, :null => false t.text :original_title t.text :original_description t.text :translated_title t.text :translated_description t.timestamps end add_index :artist_commentaries, :post_id, :unique => true end def self.down drop_table :artist_commentaries end end