From 0752ab7a3621b90073f9332fbfdc8afe16a3be01 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 4 Mar 2022 17:57:27 +0000 Subject: Reduce to-device queries for /sync. (#12163) --- synapse/storage/databases/main/deviceinbox.py | 3 +++ 1 file changed, 3 insertions(+) (limited to 'synapse') diff --git a/synapse/storage/databases/main/deviceinbox.py b/synapse/storage/databases/main/deviceinbox.py index 1392363de1..b4a1b041b1 100644 --- a/synapse/storage/databases/main/deviceinbox.py +++ b/synapse/storage/databases/main/deviceinbox.py @@ -298,6 +298,9 @@ class DeviceInboxWorkerStore(SQLBaseStore): # This user has new messages sent to them. Query messages for them user_ids_to_query.add(user_id) + if not user_ids_to_query: + return {}, to_stream_id + def get_device_messages_txn(txn: LoggingTransaction): # Build a query to select messages from any of the given devices that # are between the given stream id bounds. -- cgit 1.4.1