pierrejeambrun commented on code in PR #53501:
URL: https://github.com/apache/airflow/pull/53501#discussion_r2222647551
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airflow-core/src/airflow/models/dagrun.py:
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@@ -190,7 +190,7 @@ class DagRun(Base, LoggingMixin):
# This number is incremented only when the DagRun is re-Queued,
# when the DagRun is cleared.
clear_number = Column(Integer, default=0, nullable=False,
server_default="0")
- backfill_id = Column(Integer, ForeignKey("backfill.id"), nullable=True)
+ backfill_id = Column(Integer, ForeignKey("backfill.id",
ondelete="CASCADE"), nullable=True)
Review Comment:
cc: @dstandish is that the expected behavior on backfill deletion ? Other
alternative is to set the FK to null and keep the Run entry but that sounds
wrong too. Maybe the current behavior is the best, it's not possible to delete
a backfill that still has dagrun in it.
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