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Fix bug when generating a key when get_room_events_stream returned zero rows

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This commit is contained in:
Erik Johnston 2014-08-15 16:05:46 +01:00
parent 86be66c34e
commit cd2967d271
1 changed files with 7 additions and 3 deletions
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10
synapse/storage/stream.py
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@ -89,10 +89,14 @@ class StreamStore(SQLBaseStore):
ret = [self._parse_event_from_row(r) for r in rows] ret = [self._parse_event_from_row(r) for r in rows]
if from_key < to_key:
key = max([r["ordering"] for r in rows]) if rows:
if from_key < to_key:
key = max([r["ordering"] for r in rows])
else:
key = min([r["ordering"] for r in rows])
else: else:
key = min([r["ordering"] for r in rows]) key = to_key
defer.returnValue((ret, key)) defer.returnValue((ret, key))