class MoveBioToUserProfiles < ActiveRecord::Migration[4.2] def up add_column :user_profiles, :bio_raw, :text add_column :user_profiles, :bio_cooked, :text execute "UPDATE user_profiles SET bio_raw = subquery.bio_raw, bio_cooked = subquery.bio_cooked FROM ( SELECT bio_raw, bio_cooked, id FROM users ) as subquery WHERE user_profiles.user_id = subquery.id" remove_column :users, :bio_raw remove_column :users, :bio_cooked end def down add_column :users, :bio_raw, :text add_column :users, :bio_cooked, :text execute "UPDATE users SET bio_raw = subquery.bio_raw, bio_cooked = subquery.bio_cooked FROM ( SELECT bio_raw, bio_cooked, user_id FROM user_profiles ) as subquery WHERE users.id = subquery.user_id" remove_column :user_profiles, :bio_raw remove_column :user_profiles, :bio_cooked end end