jedcunningham commented on code in PR #23434:
URL: https://github.com/apache/airflow/pull/23434#discussion_r864007259
##########
airflow/models/mappedoperator.py:
##########
@@ -795,7 +795,10 @@ def parse_time_mapped_ti_count(self) -> Optional[int]:
if not isinstance(value, MAPPABLE_LITERAL_TYPES):
# None literal type encountered, so give up
return None
- total += len(value)
+ if total == 0:
+ total = len(value)
+ else:
+ total *= len(value)
Review Comment:
I tried that, and that's how I found the `.expand()` bug. If we can assume
we will always have at least _something_ with a length, we could, but this felt
more defensive.
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