text: explain plan for select * from (
  -- Same window default definition
  -- combination of ranking and row_number function
  select
   	rank() 		over W,
  	dense_rank()  	over W,
  	percent_rank()  over W,
  	cume_dist()  	over W,
  	row_number()    over W
  from
  	j6_v
  where
  	c_boolean is not null
  window	W as (order by c_bigint, c_date, c_time, c_boolean desc nulls first)
  order by
  	1,
          2,
          3,
  	4,
  	5
  
  ) t limit 0;
  