diff options
| -rw-r--r-- | synapse/storage/data_stores/main/events.py | 27 | ||||
| -rw-r--r-- | tests/rest/admin/test_admin.py | 4 |
2 files changed, 17 insertions, 14 deletions
diff --git a/synapse/storage/data_stores/main/events.py b/synapse/storage/data_stores/main/events.py index d69c59f5a1..946823876a 100644 --- a/synapse/storage/data_stores/main/events.py +++ b/synapse/storage/data_stores/main/events.py @@ -1633,7 +1633,20 @@ class EventsStore( return self.runInteraction("purge_room", self._purge_room_txn, room_id) def _purge_room_txn(self, txn, room_id): - # First delete tables which lack an index on room_id but have one on event_id + # First we fetch all the state groups that should be deleted, before + # we delete that information. + txn.execute( + """ + SELECT DISTINCT state_group FROM events + INNER JOIN event_to_state_groups USING(event_id) + WHERE events.room_id = ? + """, + (room_id,), + ) + + state_groups = [row[0] for row in txn] + + # Now we delete tables which lack an index on room_id but have one on event_id for table in ( "event_auth", "event_edges", @@ -1717,18 +1730,6 @@ class EventsStore( # index on them. In any case we should be clearing out 'stream' tables # periodically anyway (#5888) - # Now we fetch all the state groups that should be deleted. - txn.execute( - """ - SELECT DISTINCT state_group FROM events - INNER JOIN event_to_state_groups USING(event_id) - WHERE events.room_id = ? - """, - (room_id,), - ) - - state_groups = [row[0] for row in txn] - # TODO: we could probably usefully do a bunch of cache invalidation here logger.info("[purge] done") diff --git a/tests/rest/admin/test_admin.py b/tests/rest/admin/test_admin.py index 8e1ca8b738..d9f1b95cb0 100644 --- a/tests/rest/admin/test_admin.py +++ b/tests/rest/admin/test_admin.py @@ -628,10 +628,12 @@ class PurgeRoomTestCase(unittest.HomeserverTestCase): "local_invites", "room_account_data", "room_tags", + "state_groups", + "state_groups_state", ): count = self.get_success( self.store._simple_select_one_onecol( - table="events", + table=table, keyvalues={"room_id": room_id}, retcol="COUNT(*)", desc="test_purge_room", |