Nataneljpwd commented on code in PR #64109:
URL: https://github.com/apache/airflow/pull/64109#discussion_r3282234283
##########
airflow-core/src/airflow/models/dagrun.py:
##########
@@ -679,9 +679,27 @@ def get_queued_dag_runs_to_set_running(cls, session:
Session) -> ScalarResult[Da
.subquery()
)
+ available_dagruns_rn = (
+ select(
+ DagRun.dag_id,
+ DagRun.id,
+ func.row_number()
+ .over(partition_by=[DagRun.dag_id, DagRun.backfill_id],
order_by=DagRun.logical_date)
+ .label("rn"),
+ )
+ .where(DagRun.state == DagRunState.QUEUED)
Review Comment:
This should not be needed, sql should eb able to do predicate pushdown on
it's own in here, as long as I don't partition by one of the fields I filter it
should be fine here and it is not needed, so I guess this can be resolved
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