FeedBunch-app/db/migrate/20140519132515_add_feed_id_user_id_index_to_feed_subscriptions.rb
class AddFeedIdUserIdIndexToFeedSubscriptions < ActiveRecord::Migration[5.2]
def change
add_index :feed_subscriptions, [:feed_id, :user_id], name: 'index_feed_subscriptions_on_feed_id_user_id'
end
end