zammad/db/migrate/20180709020509_add_group_direction_to_overviews.rb

class AddGroupDirectionToOverviews < ActiveRecord::Migration[5.1]
  def change
    # return if it's a new setup
    return if !Setting.exists?(name: 'system_init_done')

    add_column :overviews, :group_direction, :string, limit: 250, null: true
  end
end