Fix pending partition run lookups for slash keys and duplicate rows - #69700
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Slash-containing partition keys 404'd on the pending-partition-run detail view, duplicate pending rows crashed it with a 500, and many-to-one non-rollup mappers over-reported progress compared to the list view. This fixes all three so partition progress in the UI is accurate and doesn't error out.
Lee-W
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vatsrahul1001
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July 10, 2026 10:45
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…pache#69700) Slash-containing partition keys 404'd on the pending-partition-run detail view, duplicate pending rows crashed it with a 500, and many-to-one non-rollup mappers over-reported progress compared to the list view. This fixes all three so partition progress in the UI is accurate and doesn't error out.
vatsrahul1001
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Aug 5, 2026
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Why
/returned 404 on the detail endpoint — the key was carried as a path segment, so the slash was interpreted as a route separator.AssetPartitionDagRunrows crashed the detail endpoint with a 500 (MultipleResultsFoundfrom.one_or_none()).What
partition_keyfrom a path segment to a query parameter on the detail endpoint, so slash-containing keys round-trip correctly.order_by(id.desc()).limit(1)instead of.one_or_none(), matching the existing_get behavior inassets/manager.py` and the model docstring._compute_received_count.Was generative AI tooling used to co-author this PR?
Generated-by: [Claude] following the guidelines
{pr_number}.significant.rst, in airflow-core/newsfragments. You can add this file in a follow-up commit after the PR is created so you know the PR number.