From bb99b1f5507e009bc32a82ba6ef29ba2d91e6b65 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 9 Aug 2018 14:44:10 +0100 Subject: [PATCH] Add fast path in state res for zero prev events --- synapse/state/__init__.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py index 222daa0b2..f1c26d107 100644 --- a/synapse/state/__init__.py +++ b/synapse/state/__init__.py @@ -361,7 +361,12 @@ class StateHandler(object): room_id, event_ids ) - if len(state_groups_ids) == 1: + if len(state_groups_ids) == 0: + defer.returnValue(_StateCacheEntry( + state={}, + state_group=None, + )) + elif len(state_groups_ids) == 1: name, state_list = list(state_groups_ids.items()).pop() prev_group, delta_ids = yield self.store.get_state_group_delta(name)