phanipaladugula commented on issue #60408:
URL: https://github.com/apache/airflow/issues/60408#issuecomment-3746078943
Hi everyone,
I've been analyzing this issue and would like to help resolve it.
Root Cause: The error occurs in _deserialize_field_value within
serialized_objects.py. When a field name ends in _date (like logical_date in
the TriggerDagRunOperator), the deserializer assumes the value is a numeric
timestamp and passes it to _deserialize_datetime. However, when using partial()
with a template string (e.g., "{{ ts_nodash_with_tz }}"), the value is a
string, causing timezone.from_timestamp() to throw a TypeError.
I suggest updating _deserialize_datetime (or the logic in
_deserialize_field_value) to include a type check. If the value is an instance
of str, it should be returned as-is to allow for later Jinja rendering, rather
than attempting to interpret it as a timestamp.
I've seen that PR #60414 was opened recently; I am happy to collaborate on
that or provide a comprehensive PR including unit tests for this specific
mapped operator edge case.
Please let me know if I should proceed!
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