On Sat, 2010-02-13 at 13:28 -0500, Tom Lane wrote:
> If we didn't already have the plus/minus-for-WINDOW-RANGE example
> staring us in the face, I might think that an extensible solution
> wasn't needed here ... but we do so I think we really need to allow
> for multiple categories in some form.
Is this also an opportunity to provide the infrastructure to assign
meaning to operators?
Related discussion:
http://archives.postgresql.org/pgsql-hackers/2009-10/msg01443.php
Regards,Jeff Davis
