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Diffstat (limited to 'synapse/replication/tcp')
| -rw-r--r-- | synapse/replication/tcp/streams/_base.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/synapse/replication/tcp/streams/_base.py b/synapse/replication/tcp/streams/_base.py index d42aaff055..4acefc8a96 100644 --- a/synapse/replication/tcp/streams/_base.py +++ b/synapse/replication/tcp/streams/_base.py @@ -600,8 +600,14 @@ class AccountDataStream(Stream): for stream_id, user_id, room_id, account_data_type in room_results ) - # we need to return a sorted list, so merge them together. - updates = list(heapq.merge(room_rows, global_rows)) + # We need to return a sorted list, so merge them together. + # + # Note: We order only by the stream ID to work around a bug where the + # same stream ID could appear in both `global_rows` and `room_rows`, + # leading to a comparison between the data tuples. The comparison could + # fail due to attempting to compare the `room_id` which results in a + # `TypeError` from comparing a `str` vs `None`. + updates = list(heapq.merge(room_rows, global_rows, key=lambda row: row[0])) return updates, to_token, limited |