ephraimbuddy commented on a change in pull request #15174:
URL: https://github.com/apache/airflow/pull/15174#discussion_r606672209
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File path: airflow/api_connexion/endpoints/dag_run_endpoint.py
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@@ -240,6 +240,18 @@ def post_dag_run(dag_id, session):
post_body = dagrun_schema.load(request.json, session=session)
except ValidationError as err:
raise BadRequest(detail=str(err))
+
+ dagrun_with_execution_date = (
+ session.query(DagRun).filter(DagRun.dag_id == dag_id,
+ DagRun.execution_date ==
post_body["execution_date"]).first()
+ )
+
+ if dagrun_with_execution_date:
+ raise AlreadyExists(
+ detail=f"DAGRun with DAG ID: '{dag_id}' and DAGRun ExecutionDate:
'{post_body['execution_date']}' already "
+ f"exists"
+ )
+
Review comment:
Can you add execution_date to the filter in line 256 instead of another
query?
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