Method ha_keyread_time

sql/handler.cc:3792–3801

*/

IO_AND_CPU_COST handler::ha_keyread_time(uint index, ulong ranges,
                                         ha_rows rows,
                                         ulonglong blocks)
{
  if (rows < ranges)
    rows= ranges;
  IO_AND_CPU_COST cost= keyread_time(index, ranges, rows, blocks);
  cost.cpu+= ranges * KEY_LOOKUP_COST + (rows - ranges) * KEY_NEXT_FIND_COST;
  return cost;
}


/*