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_r291538464
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File path: airflow/models/taskinstance.py
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@@ -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:
> E.g. I would say `previous_ti` should always give the absolute last ti
without regard to schedule, and we should make a separate property
`previous_scheduled_ti` for the last scheduled ti.
That sounds sensible for 2.0, yes. Can you reply to the post on the mailing
list about context params with this change/suggestion? (I'm planning to cherry
pick this PR to 1.10.4 once we get it merged, so we can't change the behaviour
yet)
Comments LGTM
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