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  1. Apache Arrow
  2. ARROW-8499

[C++][Dataset] In ScannerBuilder, batch_size will not work if projecter is not empty

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.16.0
    • 1.0.0
    • C++

    Description

      This is due to incomplete logic in function ScanOptions::ReplaceSchema(...)[1].

      Introduced since ARROW-7547's fix was applied.

      [1] https://github.com/apache/arrow/blob/40cd5b8a81db4fd038d3bcbdcd59cba98f336dd9/cpp/src/arrow/dataset/scanner.cc#L41-L47

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              zhztheplayer Hongze Zhang
              zhztheplayer Hongze Zhang
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