grouping sets - updated patch

Pavel Stehule <pavel.stehule@gmail.com>

From: Pavel Stehule <pavel.stehule@gmail.com>

To: PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2010-08-09T20:59:26Z

Lists: pgsql-hackers

Attachments

verze003.diff (text/x-patch) patch

Hello

I fixed an issues with empty sets. It just work, but there are some ugly hacks.

It's really needs own planner node - now grouping functions are not
supported by ORDER BY clause.

Regards

Pavel Stehule