# File lib/innodb/util/buffer_cursor.rb, line 400
  def get_bit_array(num_bits)
    size = (num_bits + 7) / 8
    data = read_and_advance(size)
    bit_array = BinData::Array.new(:type => :bit1, :initial_length => size * 8)
    bit_array.read(data).to_ary
  end