[migration] move 'entities' table changes from 3.19.0 to bootstrap script
The 'mtime' and 'source' columns need to go away before we attempt to do
anything else with the repo, otherwise any addition of an entity is
going to explode.
# -*- 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 precreate script, executed at instance creation time or when
the cube is added to an existing instance, before the schema is serialized.
This is typically to create groups referenced by the cube'schema.
"""