# File SQLRelay.rb, line 105
  def commit
    $stderr.puts "Warning: Commit ineffective while AutoCommit is on" if @attr['AutoCommit']

    case @handle.commit
    when 0
      # failed
      raise DBI::OperationalError.new("Commit failed")
    when -1
      raise DBI::OperationalError.new("Error occured during commit")
   end
  end