Wes McKinney created ARROW-1200:
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Summary: [C++] DictionaryBuilder should use signed integers for
indices
Key: ARROW-1200
URL: https://issues.apache.org/jira/browse/ARROW-1200
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Wes McKinney
Priority: Blocker
Fix For: 0.5.0
Unsigned integers are out of spec at the moment. I ran into this in ARROW-1199
so please check with me before starting a patch for this =)
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