Wes McKinney created ARROW-3928:
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Summary: [Python] Add option to deduplicate PyBytes / PyString /
PyUnicode objects in Table.to_pandas conversion path
Key: ARROW-3928
URL: https://issues.apache.org/jira/browse/ARROW-3928
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Wes McKinney
Fix For: 0.12.0
While hashing carries a performance penalty, the memory savings can be huge.
See also ARROW-3911 -- we should develop some reusable machinery for
conversions that yield Python objects
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