uranusjr commented on code in PR #75184:
URL: https://github.com/apache/airflow/pull/75184#discussion_r4397346704
##########
task-sdk/src/airflow/sdk/bases/xcom.py:
##########
@@ -853,11 +877,20 @@ def _find_own_coordinate(dag_id: str, run_id: str,
task_id: str, map_index: int)
owner = running
else:
return None
- if (owner.dag_id, owner.run_id, owner.task_id, _public_map_index(owner))
== (
- dag_id,
- run_id,
- task_id,
- map_index,
- ):
- return _own_coordinate(owner)
+ if is_own_xcom(owner, dag_id, run_id, task_id, map_index):
+ return build_own_coordinate(owner)
return None
+
+
+def is_stored_through_backend(key: str) -> bool:
Review Comment:
This also changes Python tasks. Is it intended?
The prefix check is also a heuristic. Many provider links override xcom_key,
so they aren’t covered, and a user key that happens to start with `_link_` gets
moved into the DB. Could the link declare this itself, e.g. by having
`BaseOperatorLink.persist` write past the backend, instead of us guessing from
the key?
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