# File lib/innodb/system.rb, line 210
  def index_by_name(table_name, index_name)
    index_record = data_dictionary.index_by_name(table_name, index_name)

    index_space = space(index_record["SPACE"])
    describer = data_dictionary.record_describer_by_index_name(table_name, index_name)
    index = index_space.index(index_record["PAGE_NO"], describer)

    index
  end