Fix presence bug introduced in 1.64 by #13313 (#14243)

* Fix presence bug introduced in 1.64 by #13313

Signed-off-by: Mathieu Velten <mathieuv@matrix.org>

* Add changelog

* Add DISTINCT

* Apply suggestions from code review

Signed-off-by: Mathieu Velten <mathieuv@matrix.org>
This commit is contained in:
Mathieu Velten 2022-10-27 14:16:00 +02:00 committed by GitHub
parent cbe01ccc3f
commit 4dc05f3019
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2 changed files with 2 additions and 2 deletions

1
changelog.d/14243.bugfix Normal file
View file

@ -0,0 +1 @@
Fix a bug introduced in Synapse 1.64.0 where presence updates could be missing from `/sync` responses.

View file

@ -742,7 +742,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
# user and the set of other users, and then checking if there is any
# overlap.
sql = f"""
SELECT b.state_key
SELECT DISTINCT b.state_key
FROM (
SELECT room_id FROM current_state_events
WHERE type = 'm.room.member' AND membership = 'join' AND state_key = ?
@ -751,7 +751,6 @@ class RoomMemberWorkerStore(EventsWorkerStore):
SELECT room_id, state_key FROM current_state_events
WHERE type = 'm.room.member' AND membership = 'join' AND {clause}
) AS b using (room_id)
LIMIT 1
"""
txn.execute(sql, (user_id, *args))