-- @author tungs1
-- @modified 2013-07-28 12:00:00
-- @created 2013-07-28 12:00:00
-- @description groupingfunction groupingfunc117.sql
-- @db_name groupingfunction
-- @executemode normal
-- @tags groupingfunction
-- order 1
SELECT GROUPING(sale.pn) + 1 as g1, sale.pn as g2 FROM product, sale WHERE product.pn=sale.pn GROUP BY product.pname,sale.pn ORDER BY g1,g2;
 g1 | g2  
----+-----
  1 | 100
  1 | 200
  1 | 300
  1 | 400
  1 | 500
  1 | 600
  1 | 700
  1 | 800
(8 rows)