# File lib/taps/utils.rb, line 147
  def order_by(db, table)
    pkey = primary_key(db, table)
    if pkey
      pkey.kind_of?(Array) ? pkey : [pkey.to_sym]
    else
      table = table.to_sym.identifier unless table.kind_of?(Sequel::SQL::Identifier)
      db[table].columns
    end
  end