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-- @author tungs1 -- @modified 2013-07-28 12:00:00 -- @created 2013-07-28 12:00:00 -- @description groupingfunction groupingfunc162.sql -- @db_name groupingfunction -- @executemode normal -- @tags groupingfunction SELECT sale.pn, GROUPING(sale.pn) + 1 as g1 FROM product, sale WHERE product.pn=sale.pn GROUP BY GROUPING SETS (sale.pn, product.pname, sale.pn) ORDER BY 1,2; pn | g1 -----+---- 100 | 1 100 | 1 200 | 1 200 | 1 300 | 1 300 | 1 400 | 1 400 | 1 500 | 1 500 | 1 600 | 1 600 | 1 700 | 1 700 | 1 800 | 1 800 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 (23 rows)