diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index e860fe1a1e..7cd77c1c29 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -295,35 +295,6 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore,
get_forward_extremeties_for_room_txn
)
- def get_room_ids_for_events(self, event_ids):
- """Get a list of room IDs for which the given events belong.
-
- Args:
- event_ids (list): the events to look up the room of
-
- Returns:
- list, the room IDs for the events
- """
- return self.runInteraction(
- "get_room_ids_for_events",
- self._get_room_ids_for_events, event_ids
- )
-
- def _get_room_ids_for_events(self, txn, event_ids):
- logger.debug("_get_room_ids_for_events: %s", repr(event_ids))
-
- base_sql = (
- "SELECT DISTINCT room_id FROM events"
- " WHERE event_id IN (%s)"
- )
-
- txn.execute(
- base_sql % (",".join(["?"] * len(event_ids)),),
- event_ids
- )
-
- return [r[0] for r in txn]
-
def get_backfill_events(self, room_id, event_list, limit):
"""Get a list of Events for a given topic that occurred before (and
including) the events in event_list. Return a list of max size `limit`
@@ -372,6 +343,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore,
table="events",
keyvalues={
"event_id": event_id,
+ "room_id": room_id,
},
retcol="depth",
allow_none=True,
|
