diff options
-rw-r--r-- | synapse/storage/state.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 947d3fc177..dfec57c045 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -1293,10 +1293,11 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore): retcols=("prev_state_group", "state_group",), ) - next_to_search.update(row["state_group"] for row in rows) + prevs = set(row["state_group"] for row in rows) # We don't bother re-handling groups we've already seen - next_to_search -= state_groups_seen - state_groups_seen |= next_to_search + prevs -= state_groups_seen + next_to_search |= prevs + state_groups_seen |= prevs for row in rows: # Note: Each state group can have at most one prev group |