Allow positional group by for DV ODBC

Issue

Would it be possible to make GROUP BY {column position} and SUM ({column position}) available on JDV?

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Here are the common uses of Markdown.

Code blocks

~~~
Code surrounded in tildes is easier to read
~~~

Links/URLs

[Red Hat Customer Portal](https://access.redhat.com)