amoghrajesh commented on code in PR #66859:
URL: https://github.com/apache/airflow/pull/66859#discussion_r3264229283
##########
shared/state/src/airflow_shared/state/__init__.py:
##########
@@ -166,3 +173,41 @@ def cleanup(self) -> None:
retention policy. The backend is responsible for reading any relevant
config (e.g.
``[state_store] default_retention_days``) and deciding what to delete.
"""
+
+ def serialize_task_state_value(self, *, value: str, key: str, ti_id: str)
-> str:
+ """
+ Serialize a task state value before it is sent to the execution API
for db persistence.
+
+ Called by ``TaskStateAccessor.set()`` on the worker. The return value
is what gets
+ stored in the DB — typically a reference path (e.g. an S3 key) rather
than the
+ actual value. Default: return ``value`` unchanged.
+ """
+ return value
+
+ def deserialize_task_state_value(self, stored: str) -> str:
+ """
+ Resolve a stored task state string back to the actual value.
+
+ Called by ``TaskStateAccessor.get()`` after the stored string is
retrieved from
+ the execution API. Default: return ``stored`` unchanged.
+ """
+ return stored
+
+ def serialize_asset_state_value(self, *, value: str, key: str, asset_name:
str) -> str:
Review Comment:
We do not have docs up yet so making an offline note for that but adding to
docstring that stale state for inactive assets is cleaned up by the orphan
garbage collection pass, and that until cleanup runs, stale rows exist in DB
but can't be written to
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