diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py
index f23f8c6ecf..f2d27ee893 100644
--- a/synapse/storage/databases/main/event_federation.py
+++ b/synapse/storage/databases/main/event_federation.py
@@ -1075,16 +1075,62 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas
self,
origin: str,
event_id: str,
- ) -> None:
- """Remove the given event from the staging area"""
- await self.db_pool.simple_delete(
- table="federation_inbound_events_staging",
- keyvalues={
- "origin": origin,
- "event_id": event_id,
- },
- desc="remove_received_event_from_staging",
- )
+ ) -> Optional[int]:
+ """Remove the given event from the staging area.
+
+ Returns:
+ The received_ts of the row that was deleted, if any.
+ """
+ if self.db_pool.engine.supports_returning:
+
+ def _remove_received_event_from_staging_txn(txn):
+ sql = """
+ DELETE FROM federation_inbound_events_staging
+ WHERE origin = ? AND event_id = ?
+ RETURNING received_ts
+ """
+
+ txn.execute(sql, (origin, event_id))
+ return txn.fetchone()
+
+ row = await self.db_pool.runInteraction(
+ "remove_received_event_from_staging",
+ _remove_received_event_from_staging_txn,
+ db_autocommit=True,
+ )
+ if row is None:
+ return None
+
+ return row[0]
+
+ else:
+
+ def _remove_received_event_from_staging_txn(txn):
+ received_ts = self.db_pool.simple_select_one_onecol_txn(
+ txn,
+ table="federation_inbound_events_staging",
+ keyvalues={
+ "origin": origin,
+ "event_id": event_id,
+ },
+ retcol="received_ts",
+ allow_none=True,
+ )
+ self.db_pool.simple_delete_txn(
+ txn,
+ table="federation_inbound_events_staging",
+ keyvalues={
+ "origin": origin,
+ "event_id": event_id,
+ },
+ )
+
+ return received_ts
+
+ return await self.db_pool.runInteraction(
+ "remove_received_event_from_staging",
+ _remove_received_event_from_staging_txn,
+ )
async def get_next_staged_event_id_for_room(
self,
|
