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authorErik Johnston <erik@matrix.org>2022-09-30 17:40:33 +0100
committerGitHub <noreply@github.com>2022-09-30 17:40:33 +0100
commit535f8c8f7d64d4058500a5988278fd3026645164 (patch)
tree6b2e4d6f83964e5761ba976f359d684522b8de60 /synapse/visibility.py
parentUpdate mypy and mypy-zope, attempt 3 (#13993) (diff)
downloadsynapse-535f8c8f7d64d4058500a5988278fd3026645164.tar.xz
Skip filtering during push if there are no push actions (#13992)
Diffstat (limited to 'synapse/visibility.py')
-rw-r--r--synapse/visibility.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index c810a05907..c4048d2477 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -162,6 +162,10 @@ async def filter_event_for_clients_with_state(
     if event.internal_metadata.is_soft_failed():
         return []
 
+    # Fast path if we don't have any user IDs to check.
+    if not user_ids:
+        return ()
+
     # Make a set for all user IDs that haven't been filtered out by a check.
     allowed_user_ids = set(user_ids)