def get_common_fields(self, check_type=True, local=True):
model_fields = []
for queryset in self.querysets:
db = queryset.db
fields_with_dbtype = set(
(field.name, field.db_type(connection=connections[db])) for field in queryset.model._meta.fields
)
model_fields.append(fields_with_dbtype)
return tuple(name for name, db_type in reduce_and(model_fields))
def get_search_q(self, request, query):
terms = self.get_search_terms(query)
if not terms or not self.search_fields:
return None
term_q_objs = []
for term, negate in terms:
term_q = self.get_term_q(request, term)
if negate:
term_q = ~term_q
term_q_objs.append(term_q)
return reduce_and(term_q_objs)