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Diffstat (limited to 'synapse/storage/stream.py')
| -rw-r--r-- | synapse/storage/stream.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index 2dc24951c4..200d124632 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -244,6 +244,20 @@ class StreamStore(SQLBaseStore): defer.returnValue(results) + def get_rooms_that_changed(self, room_ids, from_key): + """Given a list of rooms and a token, return rooms where there may have + been changes. + + Args: + room_ids (list) + from_key (str): The room_key portion of a StreamToken + """ + from_key = RoomStreamToken.parse_stream_token(from_key).stream + return set( + room_id for room_id in room_ids + if self._events_stream_cache.has_entity_changed(room_id, from_key) + ) + @defer.inlineCallbacks def get_room_events_stream_for_room(self, room_id, from_key, to_key, limit=0, order='DESC'): |