From d26bec8a437e44a05febd02473a8dcd8ff2c9f58 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 9 May 2018 15:56:07 +0100 Subject: [PATCH] Add comment to sync as to why code path is split --- synapse/handlers/sync.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index b75daa340d..263e42dded 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -354,6 +354,11 @@ class SyncHandler(object): since_key = since_token.room_key while limited and len(recents) < timeline_limit and max_repeat: + # If we have a since_key then we are trying to get any events + # that have happened since `since_key` up to `end_key`, so we + # can just use `get_room_events_stream_for_room`. + # Otherwise, we want to return the last N events in the room + # in toplogical ordering. if since_key: events, end_key = yield self.store.get_room_events_stream_for_room( room_id,