[SPARK-59671][SQL] Validate a co-partitioned pair by its children's pairing - #58942

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Commits on Sep 29, 2026

[SPARK-59671][SQL] Validate a co-partitioned pair by its children's pairing
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[SPARK-59671][SQL] Read the alignment stamp where the pair is judged
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[SPARK-59671][SQL] Spend the alignment stamp when the grouping settles every key
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Commits on Sep 30, 2026

[SPARK-59671][SQL] Name the ungrouping origins after the roles they describe
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