Github user shivzone commented on the issue:
https://github.com/apache/incubator-hawq/pull/1301
@lavjain pxf-profiles.xml is better to be empty to prevent users from
incorrectly updating the default entires in it. This is similar to the
separation we have between pxf-private.classpath from pxf-public.classpath.
@lavjain @sansanichfb does that mean we don't need pxf-profiles.default ?---
