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Add support for dictionary stripes #68

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Add support for dictionary stripes #68

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Commits on Mar 13, 2024

  1. Add support for dictionary stripes 

    In Arrow, dictionary columns are a separate data type, while in ORC they are
a per-stripe encoding. This means we cannot get an Arrow schema for a whole
ORC file, the Arrow schema is only valid per-stripe
    @progval
    progval committed Mar 13, 2024
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