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Posted to jira@arrow.apache.org by "Daniel Russo (Jira)" <ji...@apache.org> on 2020/12/04 20:08:00 UTC

[jira] [Assigned] (ARROW-10808) [Rust] [DataFusion] Support nested expressions in aggregations

     [ https://issues.apache.org/jira/browse/ARROW-10808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Russo reassigned ARROW-10808:
------------------------------------

    Assignee: Daniel Russo

> [Rust] [DataFusion] Support nested expressions in aggregations
> --------------------------------------------------------------
>
>                 Key: ARROW-10808
>                 URL: https://issues.apache.org/jira/browse/ARROW-10808
>             Project: Apache Arrow
>          Issue Type: New Feature
>            Reporter: Daniel Russo
>            Assignee: Daniel Russo
>            Priority: Minor
>
> The following queries are not supported by DataFusion:
> {code}
> SELECT a FROM t GROUP BY a;
> SELECT MAX(b) FROM t GROUP BY a;
> SELECT MAX(b) + 1 FROM t GROUP BY a;
> SELECT MAX(b + 1) FROM t GROUP BY a;
> SELECT a + 1, MAX(b) FROM t GROUP BY a + 1;
> {code}
> Add support for these queries. 



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