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Posted to jira@arrow.apache.org by "Daniël Heres (Jira)" <ji...@apache.org> on 2021/03/16 21:36:00 UTC

[jira] [Created] (ARROW-11991) [Rust][DataFusion] Maintain partition information in Union

Daniël Heres created ARROW-11991:
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             Summary: [Rust][DataFusion] Maintain partition information in Union
                 Key: ARROW-11991
                 URL: https://issues.apache.org/jira/browse/ARROW-11991
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust - DataFusion
            Reporter: Daniël Heres


Currently it returns Partitioning::UnknownPartitioning(num_partitions) based on the sum of partition counts (if available) of the underlying inputs. In case of another partition scheme - such as hash partitioning, it would be better to keep that information available, so other optimizations could be used.



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