ashb commented on a change in pull request #9973:
URL: https://github.com/apache/airflow/pull/9973#discussion_r817807948
##########
File path: airflow/jobs/scheduler_job.py
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@@ -1580,14 +1581,24 @@ def _create_dag_runs(self, dag_models:
Iterable[DagModel], session: Session) ->
# as DagModel.dag_id and DagModel.next_dagrun
# This list is used to verify if the DagRun already exist so that we
don't attempt to create
# duplicate dag runs
- active_dagruns = (
- session.query(DagRun.dag_id, DagRun.execution_date)
- .filter(
- tuple_(DagRun.dag_id, DagRun.execution_date).in_(
- [(dm.dag_id, dm.next_dagrun) for dm in dag_models]
- )
+
+ if session.bind.dialect.name == 'mssql':
+ active_dagruns_filter = or_(
+ *[
+ and_(
+ DagRun.dag_id == dm.dag_id,
+ DagRun.execution_date == dm.next_dagrun,
+ )
+ for dm in dag_models
+ ]
)
- .all()
+ else:
+ active_dagruns_filter = tuple_(DagRun.dag_id,
DagRun.execution_date).in_(
+ [(dm.dag_id, dm.next_dagrun) for dm in dag_models]
+ )
+
+ active_dagruns = (
Review comment:
Good idea. Feel free to give it a shot if you like :)
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