EGroupware / egroupware

		}

		$where = 'cal_id='.(int)$cal_id;

		if ($move_start)

		{

			// move the recur-date of the participants

			$this->db->query("UPDATE $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".

				((int)$change_since ? '>= '.(int)$change_since : '!= 0'),__LINE__,__FILE__);

		}

		if ($move_start || $move_end)

		{

			// move the event and it's recurrences

			$this->db->query("UPDATE $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".

				((int)$change_since ? '>= '.(int)$change_since : '!= 0'),__LINE__,__FILE__);

		}

		if ($move_start || $move_end)

		{

			// move the event and it's recurrences

			$this->db->query("UPDATE $this->dates_table SET cal_start=cal_start+$move_start,cal_end=cal_end+$move_end WHERE $where".

				((int) $change_since ? ' AND cal_start >= '.(int) $change_since : ''),__LINE__,__FILE__);

		}

		return $this->db->affected_rows();

	}