diff options
| -rw-r--r-- | changelog.d/5418.bugfix | 1 | ||||
| -rw-r--r-- | synapse/storage/deviceinbox.py | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/changelog.d/5418.bugfix b/changelog.d/5418.bugfix new file mode 100644 index 0000000000..3fd4d2a882 --- /dev/null +++ b/changelog.d/5418.bugfix @@ -0,0 +1 @@ +Fix bug where attempting to send transactions with large number of EDUs can fail. diff --git a/synapse/storage/deviceinbox.py b/synapse/storage/deviceinbox.py index 9b0a99cb49..4ea0deea4f 100644 --- a/synapse/storage/deviceinbox.py +++ b/synapse/storage/deviceinbox.py @@ -138,6 +138,10 @@ class DeviceInboxWorkerStore(SQLBaseStore): if not has_changed or last_stream_id == current_stream_id: return defer.succeed(([], current_stream_id)) + if limit <= 0: + # This can happen if we run out of room for EDUs in the transaction. + return defer.succeed(([], last_stream_id)) + def get_new_messages_for_remote_destination_txn(txn): sql = ( "SELECT stream_id, messages_json FROM device_federation_outbox" |