ashb commented on a change in pull request #5372: [AIRFLOW-3057] add
prev_*_date_success to template context
URL: https://github.com/apache/airflow/pull/5372#discussion_r291060570
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File path: airflow/models/taskinstance.py
##########
@@ -528,25 +532,43 @@ def _get_previous_ti(self, session=None):
if not previous_scheduled_date:
return None
- return TaskInstance(task=self.task,
- execution_date=previous_scheduled_date)
+ return TaskInstance(task=self.task,
execution_date=previous_scheduled_date)
dr.dag = dag
- if dag.catchup:
- last_dagrun = dr.get_previous_scheduled_dagrun(session=session)
+ if dag.catchup is False or state is not None or
dag.schedule_interval is None:
Review comment:
The reasoning behind this `if` is hard to work out - could you expand on it
with a comment saying why?
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