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Posted to issues@arrow.apache.org by "Jorge Leitão (Jira)" <ji...@apache.org> on 2020/10/31 06:57:00 UTC

[jira] [Created] (ARROW-10449) [Rust] Make dictionary keys be a PrimitiveArray

Jorge Leitão created ARROW-10449:
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             Summary: [Rust] Make dictionary keys be a PrimitiveArray
                 Key: ARROW-10449
                 URL: https://issues.apache.org/jira/browse/ARROW-10449
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust
    Affects Versions: 3.0.0
            Reporter: Jorge Leitão
            Assignee: Jorge Leitão


Currently, dictionary keys use a NullIterator to iterate them. However, physically, they are fully allocated in memory and are interpretable as a PrimitiveArray.

This issue's main purpose is to have `keys` return a `PrimitiveArray`, so that users can use it as any other array.

This will also allow to remove `NullIter`.



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