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Posted to issues@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/07/24 13:23:00 UTC

[jira] [Created] (ARROW-9550) [Rust] [DataFusion] Remove Rc> from hash aggregate operator

Andy Grove created ARROW-9550:
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             Summary: [Rust] [DataFusion] Remove Rc<RefCell<_>> from hash aggregate operator
                 Key: ARROW-9550
                 URL: https://issues.apache.org/jira/browse/ARROW-9550
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust, Rust - DataFusion
            Reporter: Andy Grove


The hasg aggregate operator runs on a thread and therefore does not require Rc<RefCell<_>> usage and could just use mutable references instead.

This does require some refactoring of the logic so that the code simply iterates over the rows, calling get_mut on the hashmap per row.



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