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Posted to dev@arrow.apache.org by "Wamsi Viswanath (Jira)" <ji...@apache.org> on 2020/01/08 17:56:00 UTC

[jira] [Created] (ARROW-7517) [C++] Builder does not honour dictionary type provided during initialization

Wamsi Viswanath created ARROW-7517:
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             Summary: [C++] Builder does not honour dictionary type provided during initialization
                 Key: ARROW-7517
                 URL: https://issues.apache.org/jira/browse/ARROW-7517
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
    Affects Versions: 0.15.0
            Reporter: Wamsi Viswanath


Below is an example for reproducing the issue:

[https://gist.github.com/wamsiv/d48ec37a9a9b5f4d484de6ff86a3870d]

Builder automatically optimizes the dictionary type depending upon the number of unique values provided which results in schema mismatch.

 



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