diff options
Diffstat (limited to 'synapse/storage/event_federation.py')
| -rw-r--r-- | synapse/storage/event_federation.py | 108 |
1 files changed, 57 insertions, 51 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py index ace7459538..09705c60be 100644 --- a/synapse/storage/event_federation.py +++ b/synapse/storage/event_federation.py @@ -282,8 +282,7 @@ class EventFederationStore(SQLBaseStore): }, ) - def _handle_prev_events(self, txn, outlier, event_id, prev_events, - room_id): + def _handle_mult_prev_events(self, txn, events): """ For the given event, update the event edges table and forward and backward extremities tables. @@ -293,68 +292,75 @@ class EventFederationStore(SQLBaseStore): table="event_edges", values=[ { - "event_id": event_id, + "event_id": ev.event_id, "prev_event_id": e_id, - "room_id": room_id, + "room_id": ev.room_id, "is_state": False, } - for e_id, _ in prev_events + for ev in events + for e_id, _ in ev.prev_events ], ) - # Update the extremities table if this is not an outlier. - if not outlier: - for e_id, _ in prev_events: - # TODO (erikj): This could be done as a bulk insert - self._simple_delete_txn( - txn, - table="event_forward_extremities", - keyvalues={ - "event_id": e_id, - "room_id": room_id, - } - ) + events_by_room = {} + for ev in events: + events_by_room.setdefault(ev.room_id, []).append(ev) - # We only insert as a forward extremity the new event if there are - # no other events that reference it as a prev event - query = ( - "SELECT 1 FROM event_edges WHERE prev_event_id = ?" - ) + for room_id, room_events in events_by_room.items(): + prevs = [ + e_id for ev in room_events for e_id, _ in ev.prev_events + if not ev.internal_metadata.is_outlier() + ] + if prevs: + txn.execute( + "DELETE FROM event_forward_extremities" + " WHERE room_id = ?" + " AND event_id in (%s)" % ( + ",".join(["?"] * len(prevs)), + ), + [room_id] + prevs, + ) - txn.execute(query, (event_id,)) + query = ( + "INSERT INTO event_forward_extremities (event_id, room_id)" + " SELECT ?, ? WHERE NOT EXISTS (" + " SELECT 1 FROM event_edges WHERE prev_event_id = ?" + " )" + ) - if not txn.fetchone(): - query = ( - "INSERT INTO event_forward_extremities" - " (event_id, room_id)" - " VALUES (?, ?)" - ) + txn.executemany( + query, + [(ev.event_id, ev.room_id, ev.event_id) for ev in events] + ) - txn.execute(query, (event_id, room_id)) - - query = ( - "INSERT INTO event_backward_extremities (event_id, room_id)" - " SELECT ?, ? WHERE NOT EXISTS (" - " SELECT 1 FROM event_backward_extremities" - " WHERE event_id = ? AND room_id = ?" - " )" - " AND NOT EXISTS (" - " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? " - " AND outlier = ?" - " )" - ) + query = ( + "INSERT INTO event_backward_extremities (event_id, room_id)" + " SELECT ?, ? WHERE NOT EXISTS (" + " SELECT 1 FROM event_backward_extremities" + " WHERE event_id = ? AND room_id = ?" + " )" + " AND NOT EXISTS (" + " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? " + " AND outlier = ?" + " )" + ) - txn.executemany(query, [ - (e_id, room_id, e_id, room_id, e_id, room_id, False) - for e_id, _ in prev_events - ]) + txn.executemany(query, [ + (e_id, ev.room_id, e_id, ev.room_id, e_id, ev.room_id, False) + for ev in events for e_id, _ in ev.prev_events + if not ev.internal_metadata.is_outlier() + ]) - query = ( - "DELETE FROM event_backward_extremities" - " WHERE event_id = ? AND room_id = ?" - ) - txn.execute(query, (event_id, room_id)) + query = ( + "DELETE FROM event_backward_extremities" + " WHERE event_id = ? AND room_id = ?" + ) + txn.executemany( + query, + [(ev.event_id, ev.room_id) for ev in events] + ) + for room_id in events_by_room: txn.call_after( self.get_latest_event_ids_in_room.invalidate, room_id ) |