Joris Van den Bossche created ARROW-16113:
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Summary: [Python] Partitioning.dictionaries in case of a subset of
fields are dictionary encoded
Key: ARROW-16113
URL: https://issues.apache.org/jira/browse/ARROW-16113
Project: Apache Arrow
Issue Type: Test
Components: Python
Reporter: Joris Van den Bossche
Follow-up on ARROW-14612, see the discussion at
https://github.com/apache/arrow/pull/12530#discussion_r841760449
ARROW-14612 changes the return value of the {{dictionaries}} attribute from
None to a list in case some of the partitioning schema fields are not
dictionary encoded.
But this can result in a non-clear mapping between arrays in
{{Partitioning.dictionaries}} and fields in {{Partitioning.schema}}
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