how should I show specific data not all data from database?

[eluser]InsiteFX[/eluser]

Code:

redirect('controller/function/'.$id, 'refresh');

Code:

function get_admin_id($id)
{
  $this->CI->db->select('*');
  $this->CI->db->where('id', $id);
  $result = $this->CI->db->get('admin');

  $row = $result->row();
  return $row->id;
}