postgresql7.1 select acs_activity__new ( null, :name, :description, 'f', null, 'acs_activity', now(), :creation_user, :creation_ip, null ) select timespan__new ( :start_date::timestamptz, :end_date::timestamptz ) select cal_item__new ( null, :on_which_calendar, null, null, null, null, :timespan_id, :activity_id, null, 'cal_item', :on_which_calendar, now(), :creation_user, :creation_ip ) select time_interval__edit ( :interval_id, :start_date::timestamptz, :end_date::timestamptz ) select cal_item__delete ( :cal_item_id ) select cal_item__delete_all ( :recurrence_id ) select acs_event__recurrence_timespan_edit ( :event_id, :start_date, :end_date )