Remove redundant room_memberships join to find participating server…

…s in a room (#15732) Spawning from #15731
matrix-org · Jun 7, 2023 · 195b6a2 · 195b6a2
1 parent 5c24d7b
commit 195b6a2
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diff --git a/changelog.d/15732.doc b/changelog.d/15732.doc
@@ -0,0 +1 @@
+Simplify query to find participating servers in a room.
diff --git a/docs/usage/administration/admin_faq.md b/docs/usage/administration/admin_faq.md
@@ -27,9 +27,8 @@ What servers are currently participating in this room?
 Run this sql query on your db:
 ```sql
 SELECT DISTINCT split_part(state_key, ':', 2)
-    FROM current_state_events AS c
-    INNER JOIN room_memberships AS m USING (room_id, event_id)
-    WHERE room_id = '!cURbafjkfsMDVwdRDQ:matrix.org' AND membership = 'join';
+FROM current_state_events
+WHERE room_id = '!cURbafjkfsMDVwdRDQ:matrix.org' AND membership = 'join';
 ```
 
 What users are registered on my server?
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		@@ -0,0 +1 @@
		Simplify query to find participating servers in a room.