[HACKERS] Grouping Sets

[Dev Kumkar]

 <http://www.postgresql.org/list/pgsql-hackers/since/200905171950>Hello,

Am looking for the patch related to 'Implementation of GROUPING SETS'.
Where can get this from?

Related thread:
http://www.postgresql.org/message-id/162867790905121420p7c910054x24d8e327abd58...@mail.gmail.com

Regards...