mastodon-docker-playground/db/migrate/20170924022025_ids_to_bigints2.rb

class IdsToBigints2 < ActiveRecord::Migration[5.1]
  def up
    change_column :statuses_tags, :tag_id, :bigint
  end

  def down
    change_column :statuses_tags, :tag_id, :integer
  end
end