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

Daniel Russo created ARROW-10808:
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             Summary: [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


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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