uranusjr commented on code in PR #45294:
URL: https://github.com/apache/airflow/pull/45294#discussion_r1923251268
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airflow/api_fastapi/execution_api/datamodels/taskinstance.py:
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@@ -181,6 +182,7 @@ class DagRun(BaseModel):
data_interval_end: UtcDateTime | None
start_date: UtcDateTime
end_date: UtcDateTime | None
+ clear_number: int
Review Comment:
Conceptually (in OpenLineage) if you clear and rerun a DAG run, the two runs
(before and after the clear) are treated as entirely different objects. I
believe this is kind of what we want to do in Airflow in the long run (similar
to how we added TaskInstanceHistory), but before that happens, OL needs
clear_number to distinguish _logically_ different runs that reuse the same DR
row and have the exact same identity otherwise (run_id, and even the UUID pk).
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