dsuhinin commented on code in PR #65722:
URL: https://github.com/apache/airflow/pull/65722#discussion_r3194021879
##########
airflow-core/src/airflow/api_fastapi/core_api/routes/public/dag_run.py:
##########
@@ -130,10 +131,36 @@ def get_dag_run(dag_id: str, dag_run_id: str, session:
SessionDep) -> DAGRunResp
status.HTTP_404_NOT_FOUND,
f"The DagRun with dag_id: `{dag_id}` and run_id: `{dag_run_id}`
was not found",
)
-
return dag_run
+@dag_run_router.get(
+ "/{dag_run_id}/stats",
+ responses=create_openapi_http_exception_doc([status.HTTP_404_NOT_FOUND]),
+ dependencies=[Depends(requires_access_dag(method="GET",
access_entity=DagAccessEntity.RUN))],
+)
+def get_dag_run_stats(dag_id: str, dag_run_id: str, session: SessionDep) ->
DagRunStatsResponse:
+ """Get duration statistics for a DAG based on its historical completed
runs."""
+ if not session.scalar(select(DagRun.id).filter_by(dag_id=dag_id,
run_id=dag_run_id)):
+ raise HTTPException(
+ status.HTTP_404_NOT_FOUND,
+ f"The DagRun with dag_id: `{dag_id}` and run_id: `{dag_run_id}`
was not found",
+ )
+
+ durations = [
+ d
+ for d in session.scalars(
+ select(DagRun.duration.expression).where( # type:
ignore[attr-defined]
+ DagRun.dag_id == dag_id,
+ DagRun.state.in_([DagRunState.SUCCESS, DagRunState.FAILED]),
+ )
+ )
+ if d is not None
+ ]
Review Comment:
ok, applied limit to fetch last 100 runs.
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