def get_many(self, keys, version=None):
made_key_to_key = {
self.make_key(key, version=version): key
for key in keys
}
made_keys = list(made_key_to_key.keys())
for key in made_keys:
self.validate_key(key)
db = router.db_for_read(self.cache_model_class)
table = connections[db].ops.quote_name(self._table)
with connections[db].cursor() as cursor:
cursor.execute(
self._get_many_query.format(table=table,
list_sql=get_list_sql(made_keys)),
made_keys + [self._now()])
rows = cursor.fetchall()
data = {}
for made_key, value, value_type in rows:
key = made_key_to_key[made_key]
data[key] = self.decode(value, value_type)
return data
def delete_many(self, keys, version=None):
made_keys = [self.make_key(key, version=version) for key in keys]
for key in made_keys:
self.validate_key(key)
db = router.db_for_write(self.cache_model_class)
table = connections[db].ops.quote_name(self._table)
with connections[db].cursor() as cursor:
cursor.execute(
self._delete_many_query.format(
table=table,
list_sql=get_list_sql(made_keys),
), made_keys)
