text: explain plan for select * from (
  select
          min(upper(c_varchar) || lower(c_varchar)) over(),
          max(upper(c_varchar) || upper(c_varchar)) over(),
          min(upper(c_varchar) || lower(c_varchar)) over(partition by c_date), 
          max(upper(c_varchar) || upper(c_varchar)) over(partition by c_date),
          min(upper(c_varchar) || lower(c_varchar)) over(partition by c_boolean, c_date order by 1),
          max(upper(c_varchar) || upper(c_varchar)) over(partition by c_date, c_date order by 1)
  from
          j1_v) t limit 0;
  