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[v3-3-test] Clarify AssetPartitionDagRun provisional-run docstring (#69982)#70104

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[v3-3-test] Clarify AssetPartitionDagRun provisional-run docstring (#69982)#70104
potiuk merged 1 commit into
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The previous wording ("we should not allow more than one like this") did not
state the actual invariant. Make explicit that rows are never deleted — so
multiple records per target_dag_id/partition_key are expected — and that the
constraint is specifically at most one row with a null created_dag_run_id,
which the _lock_asset_model mutex enforces.
(cherry picked from commit 6e411d8)

Co-authored-by: Daniel Standish 15932138+dstandish@users.noreply.github.com

…69982)

The previous wording ("we should not allow more than one like this") did not
state the actual invariant. Make explicit that rows are never deleted — so
multiple records per target_dag_id/partition_key are expected — and that the
constraint is specifically at most one row with a null created_dag_run_id,
which the _lock_asset_model mutex enforces.
(cherry picked from commit 6e411d8)

Co-authored-by: Daniel Standish <15932138+dstandish@users.noreply.github.com>
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potiuk marked this pull request as ready for review July 19, 2026 22:00
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potiuk requested review from XD-DENG and ashb as code owners July 19, 2026 22:00
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potiuk merged commit 3efaef3 into v3-3-test Jul 19, 2026
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potiuk deleted the backport-6e411d8-v3-3-test branch July 19, 2026 22:00
@github-actions github-actions Bot added this to the Airflow 3.3.1 milestone Jul 19, 2026
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Hi maintainer, this PR was merged without a milestone set.
We've automatically set the milestone to Airflow 3.3.1 based on: merged to version branch
If this milestone is not correct, please update it to the appropriate milestone.

This comment was generated by Milestone Tag Assistant.

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