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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/05/15 21:21:00 UTC

[jira] [Created] (ARROW-5335) [Python] Support for converting variable dictionaries to pandas

Wes McKinney created ARROW-5335:
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             Summary: [Python] Support for converting variable dictionaries to pandas
                 Key: ARROW-5335
                 URL: https://issues.apache.org/jira/browse/ARROW-5335
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Python
            Reporter: Wes McKinney
             Fix For: 0.14.0


Address after ARROW-3144. The current code presumes the dictionary is the same for all chunks. We should check if the dictionary is the same for all chunks, and if not, perform a {{DictionaryType::Unify}} operation and then write out into the resulting {{CategoricalBlock}}



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