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  1. Apache Arrow
  2. ARROW-6003

[C++] Better input validation and error messaging in CSV reader

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.16.0
    • Component/s: C++, R
    • Labels:

      Description

      Followup to https://issues.apache.org/jira/browse/ARROW-5747. The error message(s) are not great when you give bad input. For example, if I give too many or too few column_names, the error I get is Invalid: Empty CSV file. In fact, that's about the only error message I've seen from the CSV reader, no matter what I've thrown at it.

      It would be better if error messages were more specific so that I as a user might know how to fix my bad input.

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            • Assignee:
              apitrou Antoine Pitrou
              Reporter:
              npr Neal Richardson
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