[jira] [Created] (ARROW-7646) [C++][Dataset] Ability to restrict Hive partitioning to certain fields

["Krisztian Szucs (Jira)" <ji...@apache.org>]

Krisztian Szucs created ARROW-7646:
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             Summary: [C++][Dataset] Ability to restrict Hive partitioning to certain fields
                 Key: ARROW-7646
                 URL: https://issues.apache.org/jira/browse/ARROW-7646
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++ - Dataset
            Reporter: Krisztian Szucs


I can imagine use cases where the user only want a subset of the fields discovered by the HivePartitioningFactory. 

It would look like the following at the python user level API:
{code:python}
partitioning(field_names=[...], flavor='hive')
{code}





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