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  1. Apache Arrow
  2. ARROW-3656

[C++] Allow whitespace in numeric CSV fields

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.11.0
    • 0.12.0
    • C++

    Description

      Pandas allows whitespace before and after numbers in CSV files, but Arrow doesn't:

      >>> s = b"a,b,c\n12 , 34 , 56\n"
      >>> pd.read_csv(io.BytesIO(s))
          a   b   c
      0  12  34  56
      >>> csv.read_csv(io.BytesIO(s)).to_pandas()
              a        b       c
      0  b'12 '  b' 34 '  b' 56'
      

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              apitrou Antoine Pitrou
              apitrou Antoine Pitrou
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