GitHub user ajbosco edited a comment on the discussion: ExternalTaskSensor
(only for last dag runs) in Airflow 3
As far as I can tell, the API does not expose the ability to do something like
this:
```
if self.lookback_date == "run_date":
count = (
session.query(TI)
.filter(
TI.dag_id == self.external_dag_id,
TI.task_id == self.external_task_id,
TI.state.in_(self.allowed_states),
TI.start_date >= start_dttm,
TI.start_date <= end_dttm,
)
.count()
)
else:
count = (
session.query(TI)
.filter(
TI.dag_id == self.external_dag_id,
TI.task_id == self.external_task_id,
TI.state.in_(self.allowed_states),
TI.logical_date >= start_dttm,
TI.logical_date <= end_dttm,
)
.count()
)
GitHub link:
https://github.com/apache/airflow/discussions/49997#discussioncomment-14036535
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