dheerajturaga commented on code in PR #58921:
URL: https://github.com/apache/airflow/pull/58921#discussion_r2616079949
##########
airflow-core/src/airflow/api_fastapi/core_api/routes/public/xcom.py:
##########
@@ -336,6 +335,47 @@ def update_xcom_entry(
)
# Update XCom entry
- xcom_entry.value = json.dumps(xcom_new_value)
+ xcom_entry.value = json.dumps(patch_body.value)
return XComResponseNative.model_validate(xcom_entry)
+
+
+@xcom_router.delete(
+ "/{xcom_key:path}",
+ status_code=status.HTTP_204_NO_CONTENT,
+ responses=create_openapi_http_exception_doc(
+ [
+ status.HTTP_400_BAD_REQUEST,
+ status.HTTP_404_NOT_FOUND,
+ ]
+ ),
+ dependencies=[
+ Depends(action_logging()),
+ Depends(requires_access_dag(method="DELETE",
access_entity=DagAccessEntity.XCOM)),
+ ],
+)
+def delete_xcom_entry(
+ dag_id: str,
+ task_id: str,
+ dag_run_id: str,
+ xcom_key: str,
+ session: SessionDep,
+ map_index: Annotated[int, Query(ge=-1)] = -1,
+):
+ """Delete an XCom entry."""
+ # Delete XCom entry
+ result = session.execute(
+ delete(XComModel).where(
+ XComModel.dag_id == dag_id,
+ XComModel.task_id == task_id,
+ XComModel.run_id == dag_run_id,
+ XComModel.key == xcom_key,
+ XComModel.map_index == map_index,
+ )
+ )
+
+ if result.rowcount == 0:
Review Comment:
I dont think we should do this. The proposed change inverts the logic (it
would raise 404 when rows ARE deleted instead of when they aren't) and
result.rowcount is a standard SQLAlchemy pattern used throughout the codebase
without defensive getattr.
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