From ff5426f6b8263b416f412725a6d7be2fac284824 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 24 Jul 2018 10:55:11 +0100 Subject: Speed up _calculate_state_delta --- synapse/storage/events.py | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/synapse/storage/events.py b/synapse/storage/events.py index c2910094d0..1b075e6cc6 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -644,21 +644,14 @@ class EventsStore(EventsWorkerStore): """ existing_state = yield self.get_current_state_ids(room_id) - existing_events = set(itervalues(existing_state)) - new_events = set(ev_id for ev_id in itervalues(current_state)) - changed_events = existing_events ^ new_events - - if not changed_events: - return - to_delete = { key: ev_id for key, ev_id in iteritems(existing_state) - if ev_id in changed_events + if ev_id != current_state.get(key) } - events_to_insert = (new_events - existing_events) + to_insert = { key: ev_id for key, ev_id in iteritems(current_state) - if ev_id in events_to_insert + if ev_id != existing_state.get(key) } defer.returnValue((to_delete, to_insert)) -- cgit 1.4.1