yuseok89 commented on code in PR #67242:
URL: https://github.com/apache/airflow/pull/67242#discussion_r3341878361
##########
airflow-core/src/airflow/api_fastapi/core_api/routes/ui/dags.py:
##########
@@ -308,3 +311,45 @@ def get_latest_run_info(dag_id: str, session: SessionDep)
-> DAGRunLightResponse
latest_run_info = session.execute(latest_run_info_select).one_or_none()
return DAGRunLightResponse(**latest_run_info._mapping) if latest_run_info
else None
+
+
+@dags_router.get(
+ "/run_state_counts",
+ dependencies=[
+ Depends(requires_access_dag(method="GET")),
+ Depends(requires_access_dag(method="GET",
access_entity=DagAccessEntity.RUN)),
+ ],
+ operation_id="get_dag_run_state_counts_ui",
+)
+def get_dag_run_state_counts(
+ session: SessionDep,
+ readable_dags_filter: ReadableDagsFilterDep,
+ dag_ids: Annotated[list[str], Query(min_length=1)],
+ run_after_gte: datetime | None = None,
+) -> DAGsRunStateCountsCollectionResponse:
+ """Return per-Dag DagRun state counts (zero-filled) for the Dag list
page."""
+ permitted_dag_ids = readable_dags_filter.value or set()
+ requested_dag_ids = [dag_id for dag_id in dict.fromkeys(dag_ids) if dag_id
in permitted_dag_ids]
+ counts_by_dag: dict[str, dict[DagRunState, int]] = {
+ dag_id: {state: 0 for state in DagRunState} for dag_id in
requested_dag_ids
+ }
+
+ if requested_dag_ids:
+ count_query = (
+ select(DagRun.dag_id, DagRun.state, func.count().label("cnt"))
+ .where(DagRun.dag_id.in_(requested_dag_ids))
+ .group_by(DagRun.dag_id, DagRun.state)
+ )
+ if run_after_gte is not None:
+ count_query = count_query.where(DagRun.run_after >= run_after_gte)
+ for row in session.execute(count_query):
+ if row.state is None:
+ continue
+ counts_by_dag[row.dag_id][DagRunState(row.state)] = row.cnt
+
Review Comment:
@pierrejeambrun
Could you take a look at this PR first?
#67721
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