Remove superfluous `room_memberships` join from background update (#15733)
Spawning from https://github.com/matrix-org/synapse/pull/15731pull/15752/head
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| Remove superfluous `room_memberships` join from background update. | ||||
|  | @ -1460,7 +1460,6 @@ class RoomMemberBackgroundUpdateStore(SQLBaseStore): | |||
|                 SELECT stream_ordering, event_id, events.room_id, event_json.json | ||||
|                 FROM events | ||||
|                 INNER JOIN event_json USING (event_id) | ||||
|                 INNER JOIN room_memberships USING (event_id) | ||||
|                 WHERE ? <= stream_ordering AND stream_ordering < ? | ||||
|                 AND type = 'm.room.member' | ||||
|                 ORDER BY stream_ordering DESC | ||||
|  |  | |||
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	 Eric Eastwood
						Eric Eastwood