diff options
Diffstat (limited to 'synapse/handlers/device.py')
| -rw-r--r-- | synapse/handlers/device.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index 7665425232..b184a48cb1 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -948,8 +948,16 @@ class DeviceListUpdater: devices = [] ignore_devices = True else: + prev_stream_id = await self.store.get_device_list_last_stream_id_for_remote( + user_id + ) cached_devices = await self.store.get_cached_devices_for_user(user_id) - if cached_devices == {d["device_id"]: d for d in devices}: + + # To ensure that a user with no devices is cached, we skip the resync only + # if we have a stream_id from previously writing a cache entry. + if prev_stream_id is not None and cached_devices == { + d["device_id"]: d for d in devices + }: logging.info( "Skipping device list resync for %s, as our cache matches already", user_id, |