[GitHub] [airflow] jens-scheffler-bosch commented on a diff in pull request #30911: Save DAG parsing time if dag is not scheduleable

["jens-scheffler-bosch (via GitHub)" <gi...@apache.org>]

jens-scheffler-bosch commented on code in PR #30911:
URL: https://github.com/apache/airflow/pull/30911#discussion_r1253593027


##########
airflow/models/dag.py:
##########
@@ -2884,25 +2884,28 @@ def bulk_write_to_db(
             session.add(orm_dag)
             orm_dags.append(orm_dag)
 
-        # Get the latest dag run for each existing dag as a single query (avoid n+1 query)
-        most_recent_subq = (
-            session.query(DagRun.dag_id, func.max(DagRun.execution_date).label("max_execution_date"))
-            .filter(
-                DagRun.dag_id.in_(existing_dags),
-                or_(DagRun.run_type == DagRunType.BACKFILL_JOB, DagRun.run_type == DagRunType.SCHEDULED),
+        most_recent_runs = {}
+        num_active_runs = {}

Review Comment:
   Adjusted code. Thanks for the hint!



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