Lee-W commented on code in PR #39912:
URL: https://github.com/apache/airflow/pull/39912#discussion_r1650240770
##########
airflow/models/dagrun.py:
##########
@@ -1538,11 +1539,28 @@ def schedule_tis(
and not ti.task.outlets
):
dummy_ti_ids.append((ti.task_id, ti.map_index))
- elif ti.task.start_from_trigger is True and
ti.task.start_trigger_args is not None:
- ti.start_date = timezone.utcnow()
- if ti.state != TaskInstanceState.UP_FOR_RESCHEDULE:
- ti.try_number += 1
- ti.defer_task(exception=None, session=session)
+ # check whether the operator supports start execution from
triggerer
+ elif ti.task.start_trigger_args is not None:
+ start_trigger_args = ti.task.start_trigger_args
+ if isinstance(ti.task, MappedOperator):
+ context = ti.get_template_context()
+ mapped_kwargs, _ = ti.task._expand_mapped_kwargs(context,
session)
+ start_from_trigger =
mapped_kwargs.get("start_from_trigger", ti.task.start_from_trigger)
+
+ # update the trigger_kwargs if it's in expanded kwargs
+ start_trigger_args.trigger_kwargs = mapped_kwargs.get(
+ "trigger_kwargs", start_trigger_args.trigger_kwargs
+ )
+ else:
+ start_from_trigger = ti.task.start_from_trigger
+
+ if start_from_trigger is True:
Review Comment:
Updated. Thanks!
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