pierrejeambrun commented on code in PR #53501:
URL: https://github.com/apache/airflow/pull/53501#discussion_r2222639863
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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:
Deleting a backfill will now delete all the Runs associated with it, leaving
run orphaned from the backfill. I don't think that's expected.
Maybe we can just find a way to fix the delete function to be sure to first
delete runs before deleting backfills. Therefore we will not need to update the
db.
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