diff --git a/synapse/storage/databases/main/roommember.py b/synapse/storage/databases/main/roommember.py
index 7b503dd697..3755773faa 100644
--- a/synapse/storage/databases/main/roommember.py
+++ b/synapse/storage/databases/main/roommember.py
@@ -984,7 +984,7 @@ class RoomMemberWorkerStore(EventsWorkerStore, CacheInvalidationWorkerStore):
)
@cached(iterable=True, max_entries=10000)
- async def get_current_hosts_in_room_ordered(self, room_id: str) -> List[str]:
+ async def get_current_hosts_in_room_ordered(self, room_id: str) -> Tuple[str, ...]:
"""
Get current hosts in room based on current state.
@@ -1013,12 +1013,14 @@ class RoomMemberWorkerStore(EventsWorkerStore, CacheInvalidationWorkerStore):
# `get_users_in_room` rather than funky SQL.
domains = await self.get_current_hosts_in_room(room_id)
- return list(domains)
+ return tuple(domains)
# For PostgreSQL we can use a regex to pull out the domains from the
# joined users in `current_state_events` via regex.
- def get_current_hosts_in_room_ordered_txn(txn: LoggingTransaction) -> List[str]:
+ def get_current_hosts_in_room_ordered_txn(
+ txn: LoggingTransaction,
+ ) -> Tuple[str, ...]:
# Returns a list of servers currently joined in the room sorted by
# longest in the room first (aka. with the lowest depth). The
# heuristic of sorting by servers who have been in the room the
@@ -1043,7 +1045,7 @@ class RoomMemberWorkerStore(EventsWorkerStore, CacheInvalidationWorkerStore):
"""
txn.execute(sql, (room_id,))
# `server_domain` will be `NULL` for malformed MXIDs with no colons.
- return [d for d, in txn if d is not None]
+ return tuple(d for d, in txn if d is not None)
return await self.db_pool.runInteraction(
"get_current_hosts_in_room_ordered", get_current_hosts_in_room_ordered_txn
|
