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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