shahar1 commented on code in PR #60688:
URL: https://github.com/apache/airflow/pull/60688#discussion_r2724306070


##########
providers/google/src/airflow/providers/google/cloud/hooks/datafusion.py:
##########
@@ -469,33 +477,50 @@ def start_pipeline(
             is always default. If your pipeline belongs to an Enterprise 
edition instance, you
             can create a namespace.
         """
-        # TODO: This API endpoint starts multiple pipelines. There will 
eventually be a fix
-        #  return the run Id as part of the API request to run a single 
pipeline.
-        #  https://github.com/apache/airflow/pull/8954#discussion_r438223116
         url = os.path.join(
             instance_url,
             "v3",
             "namespaces",
             quote(namespace),
             "start",
         )
+
         runtime_args = runtime_args or {}
+        program_id = self.cdap_program_id(pipeline_type=pipeline_type)
         body = [
             {
                 "appId": pipeline_name,
+                "programType": "workflow" if pipeline_type == 
DataFusionPipelineType.BATCH else "spark",

Review Comment:
   Small suggestion - maybe encapsulate the programType in an enum?



##########
providers/google/src/airflow/providers/google/cloud/hooks/datafusion.py:
##########
@@ -168,6 +171,11 @@ def _cdap_request(
 
     @staticmethod
     def _check_response_status_and_data(response, message: str) -> None:
+        if not response:
+            raise AirflowException(
+                "Invalid / Empty response received. Please, check for possible 
root "
+                "causes of this behavior either in DAG code or on Cloud 
DataFusion side"
+            )

Review Comment:
   I'd like to ask to refactor all usages of `AirflowException` in the code, as 
according to a [recent 
policy](https://github.com/astronomer/airflow/blob/d8b768b71509b6895744d4d8a32f06a5daeebb12/contributing-docs/05_pull_requests.rst#dont-raise-airflowexception-directly)
 we want to avoid further usage of this exception at all (more about that in 
the [dev list 
thread](https://lists.apache.org/thread/5rv4tz0oc27bgr4khx0on0jz8fpxvh55)).
   You may use a simple `ValueError` exception instead.



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