def add_from_namespace_query(self, session, ns, primary_keys):
"""
Fetches all map-annotations with the given namespace
This will only work if there are no duplicates, otherwise an
exception will be thrown
WARNING: You should probably only use this in MA_APPEND mode since
the parents of existing annotations aren't fetched (requires a query
for each parent type)
WARNING: This may be resource intensive
TODO: Use omero.utils.populate_metadata._QueryContext for batch queries
:param session: An OMERO session
:param ns: The namespace
:param primary_keys: Primary keys
"""
qs = session.getQueryService()
q = 'FROM MapAnnotation WHERE ns=:ns ORDER BY id DESC'
p = ParametersI()
p.addString('ns', ns)
results = qs.findAllByQuery(q, p)
log.debug('Found %d MapAnnotations in ns:%s', len(results), ns)
for ma in results:
cma = CanonicalMapAnnotation(ma, primary_keys)
r = self.add(cma)
if r:
raise Exception(
'Duplicate MapAnnotation primary key: id:%s %s' % (
unwrap(ma.getId()), str(r)))
