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Incorrect statistics read for struct array in parquet #10609

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Incorrect statistics read for struct array in parquet#10609
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@NGA-TRAN
NGA-TRAN
opened on May 21, 2024

Describe the bug

I found this while adding tests #10608. The statistics of struct array returns nothing

To Reproduce

See test_struct in #10608

Expected behavior

Return some values for the statistics

Additional context

No response

Activity

  1. NGA-TRAN
    added
    bugSomething isn't working
    on May 21, 2024

  2. Lordworms commented on May 22, 2024

    @Lordworms
    Lordworms
    on May 22, 2024
    Contributor

    take

  3. github-actions
    assigned
    Lordworms
    on May 22, 2024

  4. xinlifoobar commented on May 29, 2024

    @xinlifoobar
    xinlifoobar
    on May 29, 2024
    Contributor

    #8334 Related. The current statistics for structs returns null.

  5. Lordworms commented on May 30, 2024

    @Lordworms
    Lordworms
    on May 30, 2024
    Contributor

    The problem here is how to effectively deal with nested struct, I don't actually know whether all the columns related to one struct are totally stored in one row group or they would separate in different row groups

  6. Jefffrey
    unassigned
    Lordworms
    on Dec 24, 2025
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