Add comment

This commit is contained in:
Erik Johnston 2016-03-09 16:51:22 +00:00
parent af2fe6110c
commit 8a88684736

View File

@ -184,6 +184,9 @@ class StreamStore(SQLBaseStore):
@defer.inlineCallbacks
def get_room_events_stream_for_room(self, room_id, from_key, to_key, limit=0,
order='DESC'):
# Note: If from_key is None then we return in topological order. This
# is because in that case we're using this as a "get the last few messages
# in a room" function, rather than "get new messages since last sync"
if from_key is not None:
from_id = RoomStreamToken.parse_stream_token(from_key).stream
else: