[rql rewrite] when a subquery has to be introduced, properly return the snippet expression so that further expressions are properly ored. Closes #2207180
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s specific hooks and operations"""