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Common partition keys logic for window expressions does not take place #5294

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@mingmwang

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The logic to find common partition keys for window expressions does not take place, which will cause the physical plan generate unnecessary RepartitionExec/Shuffles.

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  1. alamb commented on Aug 1, 2026

    @alamb
    Contributor

    I think this is covered by the subtasks of our epic and doesn't have a lot of detail, so closing

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