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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