Код: Выделить всё
$this->db->order_by("vch_name", "asc");
$this->db->select('SELECT *, (SELECT COUNT(*) FROM tbl_contact WHERE fk_client_id = tbl_pro_client_id) AS count_contacts FROM tbl_pro_client');
$query = $this->db->get('tbl_pro_client', $num, $offset);
return $query;
Подробнее здесь: https://stackoverflow.com/questions/256 ... child-tabl