jedcunningham commented on code in PR #50984:
URL: https://github.com/apache/airflow/pull/50984#discussion_r2110430718
##########
airflow-core/src/airflow/api_fastapi/core_api/routes/public/dags.py:
##########
@@ -115,30 +116,54 @@ def get_dags(
session: SessionDep,
) -> DAGCollectionResponse:
"""Get all DAGs."""
- dag_runs_select = None
+ query = select(DagModel)
- if dag_run_state.value or dag_run_start_date_range.is_active() or
dag_run_end_date_range.is_active():
- dag_runs_select, _ = paginated_select(
- statement=select(DagRun),
+ max_run_id_query = ( # ordering by id will not always be "latest run",
but it's a simplifying assumption
+ select(DagRun.dag_id, func.max(DagRun.id).label("max_dag_run_id"))
Review Comment:
I think a "most of the time right, always fast and simple" answer is a good
one here - and much better than a join explosion. A follow up to make it more
"right" is always welcome, but we can look at that complexity and maintenance
and performance then.
This is less bad than reusing dagruns, ultimately :) that'd be my vote for
the long term fix.
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