From f8bfcd7e0d2fc6399eb654a41773cd603b4037fc Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Thu, 1 Mar 2018 23:20:54 +0000 Subject: Provide a means to pass a timestamp to purge_history --- synapse/storage/stream.py | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'synapse/storage') diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index a2527d2a36..515a04699a 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -416,6 +416,33 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): "get_recent_events_for_room", get_recent_events_for_room_txn ) + def get_room_event_after_stream_ordering(self, room_id, stream_ordering): + """Gets details of the first event in a room at or after a stream ordering + + Args: + room_id (str): + stream_ordering (int): + + Returns: + Deferred[(int, int, str)]: + (stream ordering, topological ordering, event_id) + """ + def _f(txn): + sql = ( + "SELECT stream_ordering, topological_ordering, event_id" + " FROM events" + " WHERE room_id = ? AND stream_ordering >= ?" + " AND NOT outlier" + " ORDER BY stream_ordering" + " LIMIT 1" + ) + txn.execute(sql, (room_id, stream_ordering, )) + return txn.fetchone() + + return self.runInteraction( + "get_room_event_after_stream_ordering", _f, + ) + @defer.inlineCallbacks def get_room_events_max_id(self, room_id=None): """Returns the current token for rooms stream. -- cgit 1.4.1