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Erik Johnston 2019-07-29 16:40:25 +01:00
parent 105e7f6ed3
commit df3a5db629
1 changed files with 5 additions and 0 deletions
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synapse/storage/roommember.py
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@ -678,6 +678,11 @@ class RoomMemberWorkerStore(EventsWorkerStore):
# to see if any have subsequently been updated. This is done so that
# we can use a partial index on `forgotten = 1` on the assumption
# that few users will actually forget many rooms.
#
# Note that a room is considered "forgotten" if *all* membership
# events for that user and room have the forgotten field set (as
# when a user forgets a room we update all rows for that user and
# room, not just the current one).
sql = """
SELECT room_id, (
SELECT count(*) FROM room_memberships