-- @author tungs1
-- @modified 2013-07-28 12:00:00
-- @created 2013-07-28 12:00:00
-- @description groupingfunction groupingfunc129.sql
-- @db_name groupingfunction
-- @executemode normal
-- @tags groupingfunction
-- order 1
SELECT GROUPING(product.pname) as g1, SUM(sale.pn) as g2 FROM product, sale WHERE product.pn=sale.pn GROUP BY product.pname, sale.pn ORDER BY g1,g2;
 g1 |  g2  
----+------
  0 |  200
  0 |  300
  0 |  400
  0 |  600
  0 |  700
  0 |  800
  0 |  800
  0 | 1000
(8 rows)