uranusjr commented on code in PR #46460:
URL: https://github.com/apache/airflow/pull/46460#discussion_r1952054181
##########
airflow/jobs/scheduler_job_runner.py:
##########
@@ -1325,18 +1329,21 @@ def _create_dag_runs_asset_triggered(
session: Session,
) -> None:
"""For DAGs that are triggered by assets, create dag runs."""
- # Bulk Fetch DagRuns with dag_id and logical_date same
+ # Bulk Fetch DagRuns with dag_id and run_after same
# 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
- logical_dates = {
- dag_id: timezone.coerce_datetime(last_time)
- for dag_id, (_, last_time) in asset_triggered_dag_info.items()
+ triggered_dates: dict[str, DateTime] = {
+ dag_id: timezone.coerce_datetime(last_asset_event_time)
+ for dag_id, (_, last_asset_event_time) in
asset_triggered_dag_info.items()
}
existing_dagruns: set[tuple[str, timezone.DateTime]] = set(
session.execute(
- select(DagRun.dag_id, DagRun.logical_date).where(
- tuple_(DagRun.dag_id,
DagRun.logical_date).in_(logical_dates.items())
+ select(DagRun.dag_id, DagRun.run_after).where(
+ and_(
+ DagRun.triggered_by == DagRunTriggeredByType.ASSET,
+ tuple_(DagRun.dag_id,
DagRun.run_after).in_(triggered_dates.items()),
+ )
)
)
)
Review Comment:
All this does not need to exist anymore. The purpose is to prevent creating
runs with the same logical date (which causes a db contraint conflict). Since
we now set logical date to None, we don’t need to check for anything anymore,
but can simply create any runs freely.
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