Select distinct devices from DB

Otherwise we might pull out tonnes of duplicate user_ids and this can
make synapse sad.
This commit is contained in:
Erik Johnston 2017-03-06 11:10:10 +00:00
parent 82f7f1543b
commit ac5491f563
1 changed files with 1 additions and 1 deletions

View File

@ -508,7 +508,7 @@ class DeviceStore(SQLBaseStore):
defer.returnValue(set(changed))
sql = """
SELECT user_id FROM device_lists_stream WHERE stream_id > ?
SELECT DISTINCT user_id FROM device_lists_stream WHERE stream_id > ?
"""
rows = yield self._execute("get_user_whose_devices_changed", None, sql, from_key)
defer.returnValue(set(row[0] for row in rows))