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Diffstat (limited to 'synapse/storage/background_updates.py')
| -rw-r--r-- | synapse/storage/background_updates.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index 30d0e4c5dc..003f5ba203 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -133,10 +133,12 @@ class BackgroundUpdateStore(SQLBaseStore): updates = yield self._simple_select_list( "background_updates", keyvalues=None, - retcols=("update_name",), + retcols=("update_name", "depends_on"), ) + in_flight = set(update["update_name"] for update in updates) for update in updates: - self._background_update_queue.append(update['update_name']) + if update["depends_on"] not in in_flight: + self._background_update_queue.append(update['update_name']) if not self._background_update_queue: # no work left to do |