jedcunningham commented on code in PR #59764:
URL: https://github.com/apache/airflow/pull/59764#discussion_r2824162146
##########
airflow-core/src/airflow/serialization/definitions/dag.py:
##########
@@ -1008,7 +1012,42 @@ def clear(
tuples that should not be cleared
:param exclude_run_ids: A set of ``run_id`` or (``run_id``)
"""
- from airflow.models.taskinstance import clear_task_instances
+ from airflow.models.taskinstance import (
+ _get_new_task_ids,
+ _update_dagrun_to_latest_version,
+ clear_task_instances,
+ )
+
+ if only_new:
+ if not run_id:
+ raise ValueError("only_new requires run_id to be specified")
+ task_ids = _get_new_task_ids(self.dag_id, run_id, session)
+
+ if dry_run:
+ # For dry run, create temporary TaskInstance objects without
database changes
+ # The dag_run is not affected in dry run mode
+ from airflow.models.dag_version import DagVersion
+ from airflow.models.dagbag import DBDagBag
+ from airflow.models.taskinstance import TaskInstance
+
+ scheduler_dagbag = DBDagBag(load_op_links=False)
+ latest_dag =
scheduler_dagbag.get_latest_version_of_dag(self.dag_id, session=session)
+ dag_version = DagVersion.get_latest_version(self.dag_id,
session=session)
+
+ tis = []
+ for task_id in sorted(task_ids):
+ task = latest_dag.get_task(task_id)
+ ti = TaskInstance(
Review Comment:
Hmm, this makes me not super happy. I'd look at the use of this return and
see if there is another option we can do instead. e.g. maybe we return `int |
tis | set[str]` instead?
##########
airflow-core/src/airflow/serialization/definitions/dag.py:
##########
@@ -1008,7 +1012,42 @@ def clear(
tuples that should not be cleared
:param exclude_run_ids: A set of ``run_id`` or (``run_id``)
"""
- from airflow.models.taskinstance import clear_task_instances
+ from airflow.models.taskinstance import (
+ _get_new_task_ids,
+ _update_dagrun_to_latest_version,
+ clear_task_instances,
+ )
+
+ if only_new:
+ if not run_id:
+ raise ValueError("only_new requires run_id to be specified")
+ task_ids = _get_new_task_ids(self.dag_id, run_id, session)
+
+ if dry_run:
Review Comment:
Lets see how the other conversation shapes up first.
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