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Posted to issues@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/08/18 13:28:00 UTC

[jira] [Created] (ARROW-9783) [Rust] [DataFusion] Logical aggregate expressions require explicit data type

Andy Grove created ARROW-9783:
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             Summary: [Rust] [DataFusion] Logical aggregate expressions require explicit data type
                 Key: ARROW-9783
                 URL: https://issues.apache.org/jira/browse/ARROW-9783
             Project: Apache Arrow
          Issue Type: Bug
          Components: Rust, Rust - DataFusion
            Reporter: Andy Grove
            Assignee: Andy Grove
             Fix For: 2.0.0


When constructing a logical plan either directly or via the DataFrame API, it is not possible to construct an aggregate expression without providing a data type. This makes no sense because the aggregate functions need to determine their own data type.



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