def smembers(self, key):
result = set()
if self._db.get(KEY_CODEC.encode_set(key)):
for db_key, _ in self._get_db_iterator(
KEY_CODEC.get_min_set_member(key)):
_, length, member_key = KEY_CODEC.decode_key(db_key)
member_value = member_key[length:]
result.add(member_value)
return result
def _delete_db_set(self, key):
# there are two sets of db keys for sets:
# * set
# * set members
with self._db.write_batch() as batch:
batch.delete(KEY_CODEC.encode_set(key))
for db_key, _ in self._get_db_iterator(
KEY_CODEC.get_min_set_member(key)):
batch.delete(db_key)
def smembers(self, key):
result = set()
key_id, length = self._get_set_key_id_and_length(key)
if length > 0:
for db_key, _ in self._get_db_iterator(
KEY_CODEC.get_min_set_member(key_id)):
_, length, member_key = KEY_CODEC.decode_key(db_key)
member_value = member_key[length:]
result.add(member_value)
return result