reubenvanammers commented on a change in pull request #4156: [AIRFLOW-3314]
Changed auto inlets feature to work as described
URL: https://github.com/apache/airflow/pull/4156#discussion_r248929437
##########
File path: airflow/lineage/__init__.py
##########
@@ -110,26 +114,31 @@ def wrapper(self, context, *args, **kwargs):
for i in inlets]
self.inlets.extend(inlets)
- if self._inlets['auto']:
- # dont append twice
- task_ids = set(self._inlets['task_ids']).symmetric_difference(
- self.upstream_task_ids
- )
- inlets = self.xcom_pull(context,
- task_ids=task_ids,
- dag_id=self.dag_id,
- key=PIPELINE_OUTLETS)
- inlets = [item for sublist in inlets if sublist for item in
sublist]
- inlets = [DataSet.map_type(i['typeName'])(data=i['attributes'])
- for i in inlets]
- self.inlets.extend(inlets)
-
- if len(self._inlets['datasets']) > 0:
- self.inlets.extend(self._inlets['datasets'])
+ if self._inlets["auto"]:
+ visited_task_ids = set(self._inlets["task_ids"]) # prevent double
counting of outlets
+ stack = {self.task_id}
+ while stack:
+ task_id = stack.pop()
+ task = self._dag.task_dict[task_id]
+ visited_task_ids.add(task_id)
+ inlets = self.xcom_pull(
Review comment:
Hey @bolkedebruin, I changed the logic a while ago on how the database was
called, so it will only do a single db call. Would you mind having another
look?
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