--
-- wp_slide__get_postamble/1
--
create or replace function wp_slide__get_postamble(
  integer
) returns text as $$

declare
    p_slide_item_id         alias for $1;
begin
    return content
    from cr_revisions, cr_items
    where cr_items.content_type = 'cr_wp_slide_postamble'
    and cr_items.parent_id = p_slide_item_id
    and cr_revisions.revision_id = cr_items.live_revision;
end;$$ language plpgsql;