subhash-0000 commented on code in PR #60818:
URL: https://github.com/apache/airflow/pull/60818#discussion_r2748892945
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airflow-core/src/airflow/models/dagrun.py:
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@@ -598,9 +598,11 @@ def get_running_dag_runs_to_examine(cls, session: Session)
-> ScalarResult[DagRu
.where(cls.state == DagRunState.RUNNING)
.join(DagModel, DagModel.dag_id == cls.dag_id)
.join(BackfillDagRun, BackfillDagRun.dag_run_id == DagRun.id,
isouter=True)
+ .join(Backfill, isouter=True)
.where(
- DagModel.is_paused == false(),
DagModel.is_stale == false(),
+ # allow backfills to run on paused DAGs
+ or_(DagModel.is_paused == false(),
DagRun.backfill_id.isnot(None)),
Review Comment:
The `DagRun.backfill_id.isnot(None)` condition is used to allow backfill
runs to execute even when the DAG is paused. This way, regular scheduled runs
are blocked if the DAG is paused, but backfills (which have a non-None
`backfill_id`) can still run. This matches the requested behavior to support
backfills on paused DAGs.
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