Asquator commented on code in PR #61274:
URL: https://github.com/apache/airflow/pull/61274#discussion_r2777430246
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airflow-core/src/airflow/models/dagrun.py:
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@@ -1410,24 +1416,44 @@ def notify_dagrun_state_changed(self, msg: str):
# or LocalTaskJob, so we don't want to "falsely advertise" we notify
about that
@provide_session
- def get_last_ti(self, dag: SerializedDAG, session: Session = NEW_SESSION)
-> TI | None:
- """Get Last TI from the dagrun to build and pass Execution context
object from server to then run callbacks."""
+ def get_first_ti_causing_failure(self, dag: SerializedDAG, session:
Session = NEW_SESSION) -> TI | None:
+ """
+ Get the first task instance that would cause a leaf task to fail the
run.
+ """
+
tis = self.get_task_instances(session=session)
- # tis from a dagrun may not be a part of dag.partial_subset,
- # since dag.partial_subset is a subset of the dag.
- # This ensures that we will only use the accessible TI
- # context for the callback.
+
+ failed_leaf_tis = [
Review Comment:
Well, it's a list of failed leaf tasks. I think `last_failed_tasks` may be
confusing, or maybe I do not understand the rationale.
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