[schema] edit syntax tree instead of playing with strings for RQLExpressions
Lets us support more complex expressions involving e.g. "HAVING" clauses.
Closes #3202855
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
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%(long-license)s
"""%(distname)s specific hooks and operations"""