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https://issues.apache.org/jira/browse/ARROW-6567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove reassigned ARROW-6567:
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Assignee: Andy Grove
> [Rust] [DataFusion] SQL aggregate query execution assume grouping expressions
> precede aggregate expressions
> -----------------------------------------------------------------------------------------------------------
>
> Key: ARROW-6567
> URL: https://issues.apache.org/jira/browse/ARROW-6567
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust, Rust - DataFusion
> Affects Versions: 0.15.0
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Fix For: 1.0.0
>
>
> Aggregate SQL queries produce incorrect results unless the query is written
> with grouping expressions followed by aggregate expressions.
> For example, the following queries return the exact same result set:
> {code:java}
> SELECT a, SUM(b) FROM test GROUP BY a
> SELECT SUM(b), a FROM test GROUP BY a{code}
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