postgresql7.1 update as_assessment_section_map set sort_order = (case when sort_order = (cast (:sort_order as integer)) then cast (:next_sort_order as integer) when sort_order = (cast (:next_sort_order as integer)) then cast (:sort_order as integer) end) where assessment_id = :new_assessment_rev_id and sort_order in (:sort_order, :next_sort_order)